Software Development Jobs

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 270,692 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 270,692 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

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    112 jobs found

    My HVAC monitoring platform is running smoothly on a TypeScript code-base, but the equipment management section now needs two extra capabilities: asset tracking and usage logging. Your job is to weave these into the existing module without disturbing any of the current workflows. You will work directly with the repository I provide, extend the current models, services and UI where needed, link the new data to the existing database tables, and then run a full round of regression tests. I’ll walk you through the code structure and the exact data points I need captured (serial numbers, runtime hours, timestamps, etc.) so you can wire everything up cleanly. Because the system is already in production, backward compatibility and clean Git commits are critical. I expect: • Seamless...

    $198 Average bid
    $198 Avg Bid
    105 bids

    Advert Freelance AI / Software Engineer required — UK Infrastructure SaaS There is a planning process that sits behind a large slice of UK national infrastructure delivery. It is done by hand. It has always been done by hand. An experienced engineer spends two to three days on a drawing, a spreadsheet and a street map, and produces a programme of work that hundreds of people then execute. Nobody has automated it. Not because the software is impossible — because the logic has never been written down. It lives in the heads of a small number of very experienced people. I am one of them. I have spent the last year writing it down. Where the project is now A substantial amount has already been built for the MVP. The platform exists and works. What I do not have is an independe...

    $1953 Average bid
    $1953 Avg Bid
    169 bids

    Looking for an experienced web developer who has worked with auto dj and liquid soap and has extensive experience working with radio software. I want my radio station id to play at top of hour. I have tried using ai for months to build this and never works well. The developer can not use ai for this project and must know how work with front end and backend slim php doctrine docker symphony and vue js The budget for this project won’t exceed $60. You must be comfortable working via git and ssh

    $68 Average bid
    $68 Avg Bid
    149 bids

    **Need Freelancer for APK API Campaign Setup** I need an experienced freelancer who can set up an API-based campaign system for distributing/sending my APK to users. **Requirements:** * API integration and campaign setup * APK distribution through the approved messaging/marketing API * Proper delivery tracking and reporting * Campaign automation if supported * Clean and reliable setup * Compliance with the platform’s policies and applicable laws * Freelancer should have previous experience with API-based campaign systems Please DM me with: 1. Your previous experience 2. Which API/platforms you work with 3. Setup charges 4. Expected timeline 5. Any requirements from my side **Payment: Escrow only.**

    $25 Average bid
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    21 bids
    Kodi Add-on Integration
    6 days left
    Verified

    I will provide my existing Kodi add-on ZIP and the Mad Titan Sports V2 add-on ZIP. Please create one directly installable Kodi add-on that integrates the relevant Mad Titan functionality into my existing add-on. ## Main objective The finished add-on must feel like one seamless product: * No separate Mad Titan installation * No duplicate menus or interfaces * One settings panel * One consistent user experience * Preserve my existing add-on’s interface, theme, menus, search, guide and skin XML wherever possible * Do not display “Mad Titan Sports” as a separate section unless technically necessary Only integrate sources that I am legally authorised to access. Do not bypass DRM, authentication, subscriptions or geographic restrictions. ## Movies and TV shows Integrate M...

    $472 Average bid
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    136 bids

    I already have a working chatbot and chat system written in Python; now I want to transform it into a full-fledged customer-service agent. Its core jobs are clear: answer FAQs, process orders, and handle complaints or return requests. All of this must work seamlessly inside both my website and our upcoming mobile app. What I need from you • Review and refactor the existing Python codebase so it is clean, modular, and ready for production. • Strengthen the NLP logic so common customer questions are recognised reliably and routed to the right action. • Integrate order-processing and ticketing endpoints (they are REST/JSON) so the bot can create, update, and close orders or complaint cases. • Package the finished bot as an easily embeddable web widget plus a light...

    $595 Average bid
    $595 Avg Bid
    129 bids

    I need a Telegram bot built with enough flexibility that I can later decide exactly which job it performs—anything from sending scheduled reminders, welcome messages, or news updates to moderating group chats or handling simple customer‐support queries. What matters most at this stage is a clean, well-documented codebase (Python or Node.js preferred) that taps into the official Telegram Bot API and exposes an easy way for me to switch features on or off without editing core logic. An external config file, environment variables, or a lightweight admin panel are all acceptable; pick whichever keeps deployment straightforward on a standard VPS. Key deliverables: • Fully functional Telegram bot with modular command / message handlers • Simple configuration method to cho...

    $300 Average bid
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    212 bids

    I’m pushing a software project toward the finish line, but recurring glitches in my development tools are slowing me down. I need ongoing technical support focused exclusively on software troubleshooting—everything from IDE freezes and mis-configured compilers to stubborn build scripts or version-control mishaps. You’ll step in whenever a tool breaks, share your screen if needed, trace the root cause quickly, apply the fix, and leave me with a short note that explains what happened so I can avoid repeat issues. Most of my work runs through VS Code, Git, Node.js, and Docker on a Windows/macOS mix, though I occasionally spin up Linux VMs. Experience reading logs, adjusting environment variables, and juggling plugin dependencies is essential. Availability during my UTC+2 w...

    $819 Average bid
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    76 bids

    I need a small-footprint Azure application, that I can deploy inside my tenant, that lets users upload a PDF of our “date effective” records and automatically pulls out the From Date and To Date. Here is the flow I have in mind: 1. Upload interface (simple web page or BLOB-triggered function) accepts a single PDF at a time. 2. Azure AI Document Intelligence handles the parsing. If extra text cleanup or disambiguation is required, feel free to chain Azure OpenAI behind it. 3. Your code pinpoints the first instance of the two labels (“from date” / “to date”) and captures the values in ISO format. 4. The result, together with a unique identifier we generate for that file, is inserted into an Azure SQL Database table. I will provide sample PDFs ...

    $121 Average bid
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    74 bids

    This position is responsible for designing, developing, implementing and maintaining purchased and/or custom application solutions using the following technologies: RPG/400, RPGILE/400, DB2/400, CL/400, and additional IBM technologies. This position is responsible for applying functional business knowledge to develop, program, implement and/or support individual components. This involves planning, analysis, detailed design, developing/coding, testing and implementation of the components. This may also involve providing enhancements and ongoing application support to the deployed application. This position will require the ability to work independently and work collaboratively with other IT Developers, Contract Programmers, and Customers (internal and external). The position will require st...

    $24 / hr Average bid
    $24 / hr Avg Bid
    59 bids

    I’m looking to build a robotic-process-automation solution whose core job is software coding and the subsequent uploading of that code to the appropriate repository or deployment target. In other words, instead of automating manufacturing lines or data-entry forms, I want the bot to take on developer-style tasks: generate or modify code files, run any required build steps, then push the results automatically. The data the bot will handle is essentially source-code text—scripts, classes, configuration files—so the workflow must be comfortable reading, altering, and committing text-based assets. If you have experience orchestrating this in tools such as UiPath, Automation Anywhere, Blue Prism, Git CLI, or a similar stack, that would be a plus, but I’m open to whichev...

    $765 Average bid
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    48 bids

    I run a knitted-garment unit in Tirupur and I want a straightforward desktop application that lets me enter production data each week, have it instantly calculate the corresponding wages for every operation we perform, and then keep those records safely for an entire 53-week cycle. Core workflow • I select an operation—Cutting, Powertable, Singer, Ironing & Packing, Housekeeping, Helper, Checking, Kaja buttoning or Fusing—type in the pieces produced , and the app shows the wage for that contractor right away. • Once I confirm, the week’s data is written to a rolling database so I can pull any figure or summary for up to weekly status( 12months) • With one click I generate a neat PDF “payment slip” (screenshot style) and send it direct...

    $170 Average bid
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    22 bids

    My objective is simple: increase ad views by automatically playing 1,000 video ads every single day on the target platform. I need a hands-off solution—script, bot, or lightweight app—that cycles through the ads, rotates IPs or user agents to stay under the radar, tackles any captchas that pop up, and logs each completed view so I can match figures with the platform’s dashboard. Deliverables • Automation that reliably completes 1,000 ad views per 24-hour window • View-count log (CSV or simple dashboard) with timestamps • Clear setup guide covering OS, dependencies, proxy configuration, and basic troubleshooting Everything must be built, tested, and running within one month. When you reply, focus on your experience with ad-view or traffic automatio...

    $25 / hr Average bid
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    20 bids

    I am completely new to building digital products and would like a patient mentor who can walk me through every step of creating my very first project. I have not yet decided whether this will become a simple website, a small mobile app, or a lightweight desktop tool; part of the job is helping me choose the option that best matches my goals and skill-level. I learn best when things are broken down clearly, so you will need to explain concepts in plain language, suggest suitable tech stacks, and pair-program or screen-share while we build a small, working prototype together. At the end I want to understand what we did, why we did it, and how I can extend it on my own. Deliverables • A short planning document outlining the recommended direction and tools. • The fully commen...

    $540 Average bid
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    93 bids

    Job Title Microsoft Power Platform Mentor / Solution Architect – Live Step-by-Step Training Job Description I am looking for an experienced Microsoft Power Platform Developer / Solution Architect who can mentor me live while we plan and build a realistic business application step by step. I am not looking for someone to simply build the application for me. I want someone who can teach me how to think through the solution professionally. The work will mainly involve: * Power Apps / Model-Driven Apps * Dataverse * Power Automate * Security roles and permissions * Solutions and environment configuration * Error handling and logging * Testing and documentation Before implementing each feature, I want us to discuss: * What is the business requirement? * What questions should we as...

    $22 / hr Average bid
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    67 bids

    I need an experienced developer to implement NFC payment functionality on LineageOS. The solution should enable contactless payments and allow me to store payment Details, make directly transactions via my Device Urovo HT66 and manage payment methods. Requirements: - Support across smartphones, tablets, wearables, and cards - No authentication needed (e.g., PIN, biometrics) because contactless pay via nfc Ideal Skills and Experience: - Expertise in NFC technology and payment systems - Experience with LineageOS or similar custom ROMs - Strong background in mobile application development - Familiarity with security standards in payment processing Please provide relevant work experience in your bids.

    $25 / hr Average bid
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    135 bids
    Revamp C# POS Interface
    5 days left
    Verified

    I have an existing point-of-sale application written in C#. The current screens work, but the layout feels dated and slows my staff down. I need the entire interface rearranged so it is modern and intuitive. Here is what I want changed: • Buttons and controls should be logically regrouped and reordered. • Screen real estate must be re-balanced—resize, split, or merge panels so the most-used areas stand out while secondary functions stay accessible. • Feel free to add or remove sections where it improves flow; for instance, collapsing seldom-used admin tools into a slide-out panel. The colour scheme, icons, and imagery can remain as they are for now; my only goal in this phase is a cleaner, more efficient layout that users can master at a glance. I will p...

    $615 Average bid
    $615 Avg Bid
    224 bids

    I publish a small daily paper and need a desktop application that lets me do nothing more than open it, type my stories, drop in photos, and hit “Create.” From that single click the system must take over, flowing text articles, photos, and the occasional advertisement into a classic multi-column layout, paginating 4–8 pages automatically and exporting a press-ready PDF that looks like a traditional broadsheet. Key points • Content types: text articles, photos, and ads are all part of the mix, so the engine has to recognise each element, size it intelligently, and maintain visual hierarchy. • Preferred environment: a lightweight desktop application (Windows or cross-platform) with an ultra-simple interface—think WYSIWYG fields for headlines, body cop...

    $113 Average bid
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    51 bids

    I have a new idea (internal reference 0983192730) but I’m still defining exactly what it needs to become. Before any coding or design begins, I want to clarify the vision, decide on the right tech stack, and map out a realistic timeline. Here’s what I’d like from you: • A focused discovery session (video or voice) to unpack goals, users, and must-have features • A short, well-structured brief that captures functional requirements, recommended architecture, and potential third-party tools or frameworks • A rough schedule broken into sensible milestones with indicative effort and cost ranges • Practical next steps I can hand to a development or design team If you’ve guided early-stage projects—whether full-stack web apps, mobile apps...

    $26 / hr Average bid
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    51 bids

    I am taking a grad class of computer architecture and I need someone who has experience in computer architecture, logic gates and knows how to code in C/C++ or who has a master degree in computer engineering who can do my homework assignments for the semester. This is an overview of the class: it covers the major design aspects and building blocks that go into designing modern computers. We’ll start by learning what an instruction set architecture (ISA) is, and then, using MIPS as an example, understand how they’re implemented with common ISA design tradeoffs. Next, we’ll get into microprocessor design. Starting with a single-stage machine, this class will introduce how the MIPS instruction set can be implemented. Using this implementation as a baseline many advanced perf...

    $31 Average bid
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    39 bids

    I maintain a private loader for Rust that normally attaches, shows the full ESP, and runs fine, but lately the attach has become unpredictable. On the same Windows machine, using the same executable and identical game build, I follow the usual steps—run the loader, launch Rust, spawn into a server, hit F1/attach—and only about one out of every three attempts returns player-and-world data. The overlay and menu always appear; what fails is the data feed, leaving the ESP empty. Each silent attach that misbehaves throws an error referencing a “crt or pid decryption issue” (nothing about file paths or permissions). A reboot or several retries eventually yields a good run, which tells me it isn’t a simple permission problem. I need someone to dig into the loader, ...

    $214 Average bid
    $214 Avg Bid
    45 bids

    I already have a working chatbot and chat system written in Python; now I want to transform it into a full-fledged customer-service agent. Its core jobs are clear: answer FAQs, process orders, and handle complaints or return requests. All of this must work seamlessly inside both my website and our upcoming mobile app. What I need from you • Review and refactor the existing Python codebase so it is clean, modular, and ready for production. • Strengthen the NLP logic so common customer questions are recognised reliably and routed to the right action. • Integrate order-processing and ticketing endpoints (they are REST/JSON) so the bot can create, update, and close orders or complaint cases. • Package the finished bot as an easily embeddable web widget plus a light...

    $25 / hr Average bid
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    128 bids

    Client Interview & Technical Communication Lead Software Engineering Background Preferred We are a small and growing IT consulting company looking for a confident, professional communicator to represent our team in conversations with clients, stakeholders, candidates, and technology partners. This is primarily a client-facing communication role, not a software development position. Your main responsibility will be to lead meetings and interviews, understand client needs, ask the right questions, and ensure conversations are clear, productive, and professional. A software engineering or technical background is strongly preferred because many of our discussions involve software projects, development teams, technical requirements, and engineering candidates. You do not need to be acti...

    $28 / hr Average bid
    $28 / hr Avg Bid
    61 bids

    I already have a working chatbot and chat system written in Python; now I want to transform it into a full-fledged customer-service agent. Its core jobs are clear: answer FAQs, process orders, and handle complaints or return requests. All of this must work seamlessly inside both my website and our upcoming mobile app. What I need from you • Review and refactor the existing Python codebase so it is clean, modular, and ready for production. • Strengthen the NLP logic so common customer questions are recognised reliably and routed to the right action. • Integrate order-processing and ticketing endpoints (they are REST/JSON) so the bot can create, update, and close orders or complaint cases. • Package the finished bot as an easily embeddable web widget plus a light...

    $198 Average bid
    $198 Avg Bid
    101 bids

    I already have working .ipa and .apk builds, active developer accounts for both platforms, and a full set of brand-approved screenshots for iOS and Android. What I need is a seasoned publisher who can take the files and push them live—handling every detail inside App Store Connect and Google Play Console. Here’s what “done” looks like for me: • Listings set up with titles, descriptions, keywords, categories, pricing, and the screenshots I supply • Accurate privacy declarations, age ratings, and data-safety sections completed on both stores • Proper code-signing & certificates verified so the builds pass Apple’s and Google’s checks • TestFlight / internal testing enabled and builds promoted through to public release •...

    $602 Average bid
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    84 bids

    Full-Stack Developer Needed – Add Inventory & Order Management Module to Existing Web System Project Overview I am looking for an experienced full-stack developer to develop and integrate a new Inventory & Order Management module into an existing web-based system that is currently being developed by another freelancer. This is NOT a project to build a completely new system from scratch. We already have an existing web application, codebase, database and hosting environment. I want the new developer to review the existing system and determine the best way to integrate the new module into it. The existing system is currently built using: React TypeScript Supabase / PostgreSQL Tailwind CSS GitHub Node.js VPS hosting The existing developer has provided technical documentat...

    $207 Average bid
    $207 Avg Bid
    193 bids

    Seeking an Experienced Flutter/Native Developer — Android & iOS I need a seasoned developer who's comfortable shipping the same experience on both Android and iOS. The core tasks for this phase are: Local scheduled and repeating notifications that fire reliably on both operating systems, including edge cases like app-kill and battery optimization on Android OEMs (Xiaomi, Oppo, Vivo, etc.) Speech-to-text for two distinct use cases: quick voice-note capture and real-time voice commands Text-to-speech, with a choice between standard system voices and richer AI-generated voices Full Firebase integration — email/social auth plus push notifications Razorpay payment integration, covering both one-time purchases and renewable subscriptions Thorough testing and debugging on r...

    $413 Average bid
    $413 Avg Bid
    68 bids

    I already have a working chatbot and chat system written in Python; now I want to transform it into a full-fledged customer-service agent. Its core jobs are clear: answer FAQs, process orders, and handle complaints or return requests. All of this must work seamlessly inside both my website and our upcoming mobile app. What I need from you • Review and refactor the existing Python codebase so it is clean, modular, and ready for production. • Strengthen the NLP logic so common customer questions are recognised reliably and routed to the right action. • Integrate order-processing and ticketing endpoints (they are REST/JSON) so the bot can create, update, and close orders or complaint cases. • Package the finished bot as an easily embeddable web widget plus a light...

    $210 Average bid
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    138 bids

    Embedded SNMPv3 Developer Required – STM32H723 + lwIP I am looking for an experienced embedded developer who has previously implemented SNMPv3 on STM32 or similar microcontrollers using lwIP. I already have basic SNMPv1 GET and TRAP functionality working on an STM32H723-based board. The middleware, BSP, FreeRTOS tasks, and UDP stack are already in place. The task is to extend the existing SNMP agent to support secure SNMPv3 communication. Project Requirements Phase 1: SNMPv3 Communication Implement SNMPv3 GET and TRAP functionality. Enable SHA authentication and AES-128 privacy/encryption using USM. Respond to authenticated and encrypted GET requests. Support GETNEXT, if feasible. Send authenticated and encrypted traps to Bitcom NMS. Ensure a valid, unique SNMP engine ID for the d...

    $97 Average bid
    $97 Avg Bid
    13 bids

    I'm looking for an experienced developer to create a robust point of sale system tailored for restaurants. The system should encompass: - Order Management: Efficiently handle customer orders. - Inventory Tracking: Monitor stock levels and manage supplies. - Sales Reporting: Generate detailed sales reports. Additionally, the POS must support multiple user roles with distinct permissions, including: - Administrator: Full access to all system functionalities. - Cashier: Process transactions and manage payments. - Manager: Oversee operations, including order and inventory management. - Owner: Access to reports and overall system oversight. Ideal Skills & Experience: - Proven experience in developing POS systems. - Strong understanding of inventory and order management. - Ability to...

    $26 / hr Average bid
    $26 / hr Avg Bid
    221 bids

    SIDI KHATAB – Customize Existing eClassify Source Code We are looking for a developer to customize and develop our existing eClassify source code into our new platform, SIDI KHATAB. IMPORTANT: We already own the eClassify source code. We do NOT want the project rebuilt from scratch. Our approach is: REUSE → CONFIGURE → MODIFY → BUILD The objective is to reuse as much of the existing source code as technically possible and avoid unnecessary development costs. Existing technology: - Flutter - Laravel - Firebase - Web - Admin Panel - API / Backend We have a complete project specification for SIDI KHATAB that will be provided to the selected developer. The platform is intended primarily for Algeria, while registration from other countries should not be technically...

    $111 Average bid
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    118 bids

    I am building a small learning project for my Diploma in ICT and need a clear, well-commented Python solution that reads a JSON dataset, performs descriptive statistics, and presents the results in a way a newcomer can understand. Here is what I have in mind: • The script should load a supplied JSON file, validate its structure, and extract numerical fields automatically. • Compute key descriptive measures such as count, mean, median, mode, min-max range, standard deviation, and any other basic metrics that add insight. • Display the findings in a tidy console table; a simple Matplotlib or Seaborn histogram for at least one variable would be a plus but not mandatory. • Keep everything beginner-friendly: straightforward function names, docstrings, and inline c...

    $267 Average bid
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    99 bids

    I’m enhancing an existing Java-based web application and need a junior-level developer located in India to focus purely on the front-end layer. Your day-to-day work will revolve around turning the current UI mock-ups and JSP templates into clean, responsive pages written in standard HTML, CSS and vanilla JavaScript, ensuring they plug smoothly into the already-built Java web stack. You will receive clear design files, access to the project’s Git repository, and a short onboarding call to walk you through our coding conventions. From there, I’ll expect: • Pixel-accurate screens rendered across modern browsers • Lightweight, well-commented CSS with mobile responsiveness baked in • JavaScript kept framework-free unless a use case demands otherwise &bul...

    $330 Average bid
    $330 Avg Bid
    83 bids

    My top priority is eliminating the incorrect stock quantities that keep showing up in Shopify even though the numbers in Lightspeed Retail are accurate. So far I have been handling the discrepancies with manual adjustments, but that is obviously not sustainable. Here is the ground I need you to cover during a live Zoom / screen-share session: • Data synchronization process – walk through every step of the Lightspeed-to-Shopify feed, spot bottlenecks or mis-firing jobs, and tune timing so updates propagate reliably. • Historical data inconsistencies – locate duplicated or legacy products, clean the catalog, and make sure old records do not re-surface once the sync is running smoothly. While the incorrect stock counts are the main headache, I also want you to confi...

    $31 / hr Average bid
    $31 / hr Avg Bid
    106 bids

    I want an Android app that lets me jot down every Forex position I take during the day and instantly shows whether I closed it in profit or loss. The flow should be as quick as opening the app, tapping “Add Trade”, entering the pair, lot size, open and close price, then saving—nothing bloated or confusing. Core behaviour • Each trade is stored with its profit-or-loss figure. • The moment a trade is saved, that P/L appears right on the trade row so I can scan the day’s list and see how I did, trade by trade. • A clean, modern Material-style UI that looks native on recent Android versions. I’m not after heavy analytics or alerting systems yet; the priority is reliable trade logging and a clear per-trade profit/loss display. Data can sit lo...

    $193 Average bid
    $193 Avg Bid
    112 bids

    I already have VJ_DOC live on Vercel and open-sourced on GitHub, but I now want to take it from “nice demo” to a polished, production-ready product. My first priority is feature enhancement, with a strong eye on smooth user flow. You will be working in a TypeScript stack (React on the front end, Node.js + REST API on the back end) and are expected to follow modern development practices, clean architecture, and secure file handling throughout. Core enhancement goals • Advanced file annotation that feels as snappy as native apps • Seamless e-signature integration, including signature capture, placement, and audit trail • Cloud-storage connectivity so users can pull from and save to services like Google Drive or AWS S3 without leaving VJ_DOC In parallel, I...

    $106 Average bid
    $106 Avg Bid
    44 bids

    I need a single expert who can design the architecture and then personally build an all-in-one platform that merges CRM, VoIP calling, and—most importantly—robust sales automation. Scope • CRM backbone: clean customer data structures, intuitive contact views, role-based permissions, import/export tools, and real-time search. • VoIP module: in-app softphone, call logging, recordings, click-to-dial, and number provisioning with a reliable SIP provider of your choice. • Sales automation (top priority): – Lead scoring and management that updates in real time. – Automated email campaigns triggered by behavior or pipeline stage, delivered through Mailchimp. – Visual sales pipeline tracking with drag-and-drop stages, performance dash...

    $306 Average bid
    $306 Avg Bid
    48 bids

    We are looking for an experienced aviation technology developer/company to build an enterprise-grade B2B Flight Booking Portal for Sky Direct Travel. The platform must integrate directly with GDS and NDC/airline APIs, including Amadeus, Sabre, Travelport and major airline NDC connections, subject to commercial access. Key Features: • B2B travel agent & sub-agent portal • Domestic & international flight search • Real-time availability, pricing & fare rules • GDS + NDC + direct airline content aggregation • PNR creation, ticketing, void, cancellation, refund, reissue & exchange • Seats, baggage and ancillary services • Agent wallet, credit limit & ledger • Dynamic markup, commission & service-fee engine • Admin/back-offic...

    $74692 Average bid
    $74692 Avg Bid
    30 bids

    I need a production-ready AES implementation that I can drop into our stack to protect data at rest. The focus is on clean, well-documented source code that supports 128, 192, and 256-bit keys, CBC and GCM modes, plus straightforward hooks for key rotation. My environment is a mix of Python micro-services and a Java back-end, so a portable C/C++ core wrapped for those languages—or native, equally secure versions—would work. What matters most is that the code passes standard NIST test vectors, includes unit tests, and ships with a concise integration guide. Deliverables: • Fully commented AES library (source + build instructions) • Test suite confirming compliance with FIPS/NIST vectors • Short README covering integration and key management reco...

    $3710 Average bid
    Local
    $3710 Avg Bid
    70 bids

    I need a clean, well-structured Python OPC-UA client that can talk directly to an SLM 280 metal 3D printer and give me full, real-time control over its atmosphere management: O₂ concentration, chamber pressure, and gas flow. The end goal is to adjust those three parameters remotely and watch them update live, as if I were standing in front of the machine. Scope – Establish a reliable OPC-UA connection to the printer’s server nodes. – Expose read/write methods so I can both query and set O₂, pressure, and flow values without latency that would compromise print quality. – Wrap the interaction in a clear API layer (class or module) so future scripts can call it with one or two lines. – Handle connection drops gracefully and log every transaction for trac...

    $200 Average bid
    $200 Avg Bid
    133 bids

    I need a comprehensive healthcare projects dashboard designed for tracking and managing project milestones. The dashboard will be used by healthcare administrators, project managers, and clinicians. Key requirements: - User-friendly interface for multiple roles - Real-time tracking of project milestones - Secure access to sensitive healthcare data - Budget-friendly Ideal skills and experience: - Experience in developing dashboards, especially for the healthcare sector - Strong UI/UX design skills - Proficiency in data security and access control

    $10 / hr Average bid
    $10 / hr Avg Bid
    185 bids

    we’re looking for engineers who know vllm and want to help us launch our product. we’re especially interested in people who are active on hacker news, reddit, github or product hunt and can bring interested developers and users to the launch. the more people you bring in who try the product, give useful feedback or become users, the bigger the reward. if this sounds like you, let’s talk.

    $88 Average bid
    $88 Avg Bid
    45 bids

    Laravel Developer Needed — Bug Fixes & Ongoing Maintenance Project Overview I have an existing Laravel-based web application that needs ongoing bug fixes, feature improvements, and maintenance support. Looking for an experienced Laravel developer who can work independently, communicate clearly, and deliver reliable, tested fixes.

    $1 / hr Average bid
    $1 / hr Avg Bid
    64 bids

    I'm seeking an experienced IoT developer who can create a hardware device with a digital display. The device should operate offline, providing straight output based on programmed inputs. Key Requirements: - Hardware: - Digital display output - Programmed to do calculation. - App: - Display input data and calculations from the hardware - User-friendly interface Ideal Skills: - Experience in IoT hardware development - Proficiency in app development - Strong programming skills - Ability to create offline operating systems Please provide examples of previous work and a brief outline of your approach.

    $850 Average bid
    $850 Avg Bid
    25 bids

    I need a comprehensive solution that includes a CRM system, billing software, and an e-commerce website tailored for the pharmaceutical industry. The CRM should include: - Customer management: Track and manage customer interactions and data. - Sales tracking: Monitor sales activities and performance. - Marketing automation: Streamline marketing campaigns and customer outreach. The billing software must have: - Invoice generation: Create and send invoices automatically. - Payment processing: Securely handle transactions. - Tax calculation: Automatically calculate applicable taxes. The e-commerce website should be user-friendly, secure, and capable of handling a high volume of transactions. The ideal candidate should have: - Proven experience in developing CRM and billing software. - S...

    $394 Average bid
    $394 Avg Bid
    78 bids

    I have a fully-working Android Studio project (Java) that photographs urine test strips and reads the colours, but its interpretation layer is letting us down: colours are detected correctly, yet the final numbers it returns are wrong. I need someone to dig into the existing code, locate the flaw in the result-interpretation logic, and at the same time refine the overall algorithm so the readings become clinically reliable. Because I’m interested in both fixing the bug and improving the core method, you will be free to refactor, recalibrate, or even redesign parts of the analysis pipeline provided the camera capture and colour-extraction steps remain intact. OpenCV and native Android APIs are already integrated, so you will be working inside that framework. Key deliverables: &bul...

    $104 Average bid
    $104 Avg Bid
    62 bids

    Source Code Integration & Evaluation (Satya Boss AI - Phase 1) We have the core source code for Satya Boss AI 100% ready. This is strictly a live evaluation and assessment phase (Demo Phase) to shortlist a permanent long-term tech partner for our upcoming multi-lakh automotive venture. CRITICAL ELIGIBILITY NOTE: This project is strictly restricted to developers based in INDIA only. Bids from any other country or region will be immediately rejected and reported. If you bid on this project, the following terms and conditions are completely binding and non-negotiable: 1. SCOPE OF WORK & TECHNICAL TASKS: • 6 Final Settings Integration: You must integrate the 6 remaining specific settings into our existing source code without a single functional failure. • Autonomous Co...

    $110 Average bid
    $110 Avg Bid
    28 bids

    We are building Fidati, a standalone fintech platform that helps Italian SMEs compare business financing products, generate a qualified financing enquiry and prepare a structured credit dossier. We are looking for an experienced Full-Stack Developer / Product Engineer to build and launch a real, production-ready MVP. This is not a prototype or a corporate website. The platform must be live, usable by real companies, connected to real financing-product data and able to generate commercial leads. External partners may link users to Fidati from their own websites, but the MVP is not co-branded or white-label. Fidati must remain a scalable, independent product. The system should only support referral/source attribution so we can measure which partner or campaign generated each visit, compar...

    $6074 Average bid
    $6074 Avg Bid
    242 bids

    I need a complete, stand-alone driver logging application built specifically for the trucking industry. The core objective is to let drivers record and manage every trip while staying fully compliant with Hours-of-Service regulations. Essential feature set • Trip logs: simple start-to-finish capture with location, mileage, and timestamps. • Hours of Service tracking: real-time duty-status calculations that flag upcoming limits before they become violations. • Fuel tracking: gallons, cost, and receipts tied back to each trip. • Log editing & violation removal: supervisors must be able to correct entries while preserving an audit trail that shows what changed and when. I am open to web, mobile, or hybrid stacks as long as the final product is intuitive f...

    $404 Average bid
    $404 Avg Bid
    104 bids

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