API Integration Experts For Hire
Showing 661 results
Sponsored Freelancers
-
Hire Mahihassi
I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise ->...I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise -> Microcontrollers & Embedded Systems: STM32, ESP32, TI Tiva, C2000, MSP430 (Texas Instruments), NXP LPC & i.MX RT, Nordic nRF52/nRF53, Microchip PIC32 & dsPIC, Raspberry Pi, and Arduino. -> Firmware Development: Embedded C/C++, RTOS, DMA, peripheral drivers, wireless stacks (BLE, Wi-Fi, LoRa, Zigbee). -> PCB Design & RF Hardware: Professional PCB layouts using Altium Designer, KiCad, Eagle, EasyEDA and Target. Specialized in RF, IoT, and high-speed boards. -> FPGA Development: Verilog/VHDL for signal processing, hardware acceleration, and high-performance digital systems. -> AI, Machine Learning & Deep Learning: Intelligent algorithms for edge devices, control, and data analysis. -> Robotics & Control: Robotic platforms, precision motor control (FOC, PID), and industrial automation. -> Biomedical Instrumentation: Embedded systems for healthcare and diagnostic devices. -> CAD & Mechanical: 3D CAD modeling for custom housings and production-ready enclosures. Industrial Automation: PLC, SCADA, HMI and DCS integration, including OPC UA/DA, Modbus, tag monitoring, remote commands and Windows-based control applications. Full Product Development Workflow From Idea → Prototype → Final Product System Architecture & Schematics Firmware Development (optimized embedded coding & drivers) PCB Design (multi-layer, RF, low-power, IoT-ready) AI/ML Integration (edge computing & analytics) IoT Connectivity (MQTT, APIs, BLE, Wi-Fi, LoRa, Zigbee) Web & Mobile App Development (real-time dashboards & control apps) Mechanical CAD (3D modeling & enclosures) Software Development Web Applications: Cloud dashboards, real-time monitoring, secure APIs, SaaS platforms. Mobile Applications: Cross-platform IoT control, monitoring, and productivity apps. IoT Communication: Secure & scalable device-to-cloud pipelines (MQTT, REST, WebSockets). Trading & FinTech: Algorithmic trading systems, exchange integrations (Binance, TradingView APIs). Game Development: WebGL, HTML5, Unity3D, 3ds Max, Maya, Unreal Engine 4/5, Godot. Emerging Tech: Blockchain & Web3 apps, AI-powered platforms, cloud-native solutions (AWS, Azure, GCP). less -
Hire webbookstudio
We are Ukrainian based IT-company Webbook Studio that provides highly professional services in the IT-sphere for international business. WORKING TIME: 11:00 - 20:00 GMT+3 (by Kyiv) (Monday to Friday) PLEASE BE PATIENT, WE WILL ANSWER YOU! Quick facts at a glance: - Year Founded: 2008 - Number of Employees: 30 -...We are Ukrainian based IT-company Webbook Studio that provides highly professional services in the IT-sphere for international business. WORKING TIME: 11:00 - 20:00 GMT+3 (by Kyiv) (Monday to Friday) PLEASE BE PATIENT, WE WILL ANSWER YOU! Quick facts at a glance: - Year Founded: 2008 - Number of Employees: 30 - 11+ years on this platform - More than 500+ projects were done - 11 successfully completed certifications on freelancer We work with: - CMS: Wordpress, Shopify, Opencart, Magento, Drupal, Joomla, ModX - Mobile Development: iOS/Android, iPhone, React Native, React.js, Angular.js - From 'scratch' with core php - Php-frameworks: Yii/Yii2, Laravel, CodeIgniter - Front-end: JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap - Javascript-frameworks - Design: Figma, Adobe Photoshop, Adobe Illustrator, Gimp We provide the next solutions for our clients: - Development of web-sites, portals, modules, themes - Development of Mobile Apps (iPhone/Android) - development of E-commerce - development of CRM- and ERP-systems - IaaS, SaaS and PaaS solutions - design of Brand Book, design of web-sites, 3d-design less -
Hire AndrewJSMAN
I’m Andrii, an IT professional with hands-on experience since 2020. I’m a results-driven AI and Web Developer specializing in building intelligent, scalable, and user-centric solutions. My expertise includes: Web Development – full-stack applications, SaaS platforms, e-commerce solutions, and seamless API...I’m Andrii, an IT professional with hands-on experience since 2020. I’m a results-driven AI and Web Developer specializing in building intelligent, scalable, and user-centric solutions. My expertise includes: Web Development – full-stack applications, SaaS platforms, e-commerce solutions, and seamless API integrations. AI & Machine Learning – custom model development, chatbots, NLP solutions, data automation, and predictive analytics Mobile Development – building high-quality mobile applications using React Native and Flutter Automation – optimizing workflows with AI, APIs, and custom scripts to reduce costs and improve efficiency I focus on understanding client needs, crafting smart technical solutions, and delivering reliable, high-quality results on time. Whether you’re looking for an AI-powered product, a modern web or mobile platform, or a long-term development partner, I’m ready to help transform your ideas into powerful, high-performing solutions. Let's talk. Thanks. less -
Hire diektech
Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind...Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind the idea before writing a single line of code. For more than 20 years, I've helped startups, entrepreneurs, and established businesses build software that is reliable, scalable, and designed to grow with them. Whether it's a SaaS platform, AI-powered application, mobile app, marketplace, ERP, CRM, fintech product, or custom business system, my focus is always the same: build software that solves real problems while keeping future growth in mind. I handle the complete development process, including: • Product planning • UI/UX • Web development • Mobile apps • Backend architecture • API integrations • AI solutions • Blockchain • Cloud deployment • Long-term support What clients appreciate most isn't just our technical expertise—it's our ability to simplify complex ideas, ask the right questions, and recommend solutions that make sense for the business. If you're looking for a development partner who values communication, thoughtful planning, and long-term success just as much as clean code, I'd be happy to discuss your project. less -
Hire Guptapuru304
Top 1% on Freelancer.com | 200+ Clients | 10+ Years of Experience Hi, I’m a software developer helping businesses and startups turn ideas into modern web apps, mobile apps, and AI-powered products. I believe great software starts with understanding the business problem and the people using it—not just writing code....Top 1% on Freelancer.com | 200+ Clients | 10+ Years of Experience Hi, I’m a software developer helping businesses and startups turn ideas into modern web apps, mobile apps, and AI-powered products. I believe great software starts with understanding the business problem and the people using it—not just writing code. That’s why I focus on building practical solutions that are easy to use, reliable, and ready to grow. Over the past 10+ years, my team and I have helped clients build and improve: • Web applications & SaaS platforms • iOS & Android mobile apps • AI-powered applications & features • Business and customer-facing software • Custom integrations & automation • Products from idea to launch Whether you’re starting with an idea, improving an existing product, or adding AI to your business, I can help with the complete development process—from planning and design to development, launch, and ongoing support. What clients appreciate most is my clear communication, attention to detail, and ability to turn complex ideas into simple, working products. Have an idea you'd like to bring to life? Send me a message. Let’s build something great together. less -
Hire arhamsoftltd
arhamsoftltd arhamsoftltd
$40 USD / hour
Enterprise AI, Healthcare, Web, Mobile, SalesforceUnited StatesAbout Us: ArhamSoft is an AI-first, ISO-certified software engineering company serving clients worldwide since 2007. We build production-grade AI systems, enterprise platforms, cloud applications, mobile apps, desktop software, automation workflows, blockchain products, and custom business systems that keep running...About Us: ArhamSoft is an AI-first, ISO-certified software engineering company serving clients worldwide since 2007. We build production-grade AI systems, enterprise platforms, cloud applications, mobile apps, desktop software, automation workflows, blockchain products, and custom business systems that keep running after launch. With 230+ in-house specialists across AI, web, mobile, .NET, Microsoft, Salesforce, Odoo, DevOps, data, security, design, marketing, and QA, we support startups, SMEs, agencies, enterprises, and Fortune 500 companies across the USA, UK, Germany, UAE, Saudi Arabia, and global markets. What We Build: - AI, Automation & Data: LLM integrations, AI agents, RAG pipelines, vector databases, NLP, computer vision, OCR, predictive analytics, ML/DL models, MLOps, chatbots, voice AI, RPA, n8n, Make.com, Zapier, Airflow, ETL, dashboards, Power BI, data scraping, data processing, and reporting. - Web, SaaS & Backend: SaaS platforms, MVPs, portals, marketplaces, CRMs, ERPs, LMS, booking systems, APIs, microservices, web apps, databases, admin panels, and high-performance backends using Python, Django, FastAPI, Flask, Node.js, NestJS, PHP, Laravel, .NET, Java, Go, SQL, MongoDB, Redis, GraphQL, and REST. - Frontend, CMS & eCommerce: React, Next.js, Vue, Angular, TypeScript, Tailwind, WordPress, Shopify, Magento, WooCommerce, Webflow, Wix, headless CMS, payment gateways, store optimization, landing pages, UI/UX, Figma, and responsive design. - Mobile, Desktop & Enterprise Apps: iOS, Android, Flutter, React Native, Swift, Kotlin, Ionic, PWAs, Windows desktop apps, WPF, WinForms, .NET MAUI, Blazor, POS, inventory, healthcare, telemedicine, finance, marketplace, and internal apps. - Enterprise Platforms: Salesforce, Odoo, Microsoft Dynamics 365, Power Platform, SharePoint, HubSpot, Zoho, NetSuite, Business Central, Workday, and custom enterprise workflows. - Cloud, Security & Web3: AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD, serverless, monitoring, VAPT, OWASP, ISO/SOC compliance support, blockchain, Solidity, smart contracts, NFTs, DeFi, Web3, Hyperledger, and crypto integrations. Awards, Certifications & Partnerships: - Presidential Award for Best Software Company - Clutch Top IT Service Provider - Pakistan Digital Award, P@SHA ICT Award, LCCI Best Software House Award - ISO 9001, ISO 27001, Salesforce Consulting Partner, Odoo Official Partner, Microsoft Partner Why Choose Us? - Production delivery, not prototypes. No outsourcing. 18+ years of experience, 500+ global clients, agile delivery, enterprise security, full-cycle development, deployment, documentation, and long-term support. Build smarter, automate better, and bring your next big idea to life with ArhamSoft. less -
Hire juanpablomacf
I transform complex business challenges into scalable AI solutions that deliver measurable results. With over a decade of experience in both full-stack development and AI implementation, I bridge the gap between ambitious ideas and production-ready systems. 🏆 Proven Impact Across Industries FinTech: Built trading...I transform complex business challenges into scalable AI solutions that deliver measurable results. With over a decade of experience in both full-stack development and AI implementation, I bridge the gap between ambitious ideas and production-ready systems. 🏆 Proven Impact Across Industries FinTech: Built trading dashboards processing 50,000+ daily transactions with real-time analytics MedTech: Developed AI diagnostic assistants that reduced analysis time by 65% LegalTech: Implemented RAG systems that cut legal research from hours to minutes SaaS: Scaled platforms from MVP to 100,000+ users with integrated AI capabilities 🔧 Technical Expertise AI & Machine Learning AI Agent Systems: Multi-step reasoning and workflow orchestration RAG Pipelines: LangChain, LlamaIndex, Pinecone, ChromaDB (95%+ retrieval accuracy) LLM Integrations: GPT-4, Claude 3, LLaMA fine-tuning and optimization Voice AI: Twilio integration and real-time call processing Full-Stack Development Frontend: React/Next.js, TypeScript Backend: Node.js, Python, FastAPI DevOps: AWS, Docker, Kubernetes, CI/CD pipelines Automation: n8n workflows, custom API integrations 🚀 Recent Deliverables • AI Customer Support: Reduced ticket volume by 75% with bots handling 15,000+ monthly conversations • Document Intelligence: Built legal document analysis that cut review time from 4 hours to 15 minutes • Trading Analytics: Delivered real-time dashboards with 99.9% uptime for financial clients • Workflow Automation: Saved 200+ manual hours monthly through n8n-powered processes 🎯 My Approach Strategy & Planning Technical feasibility analysis and ROI-focused project scoping Scalable architecture design for long-term growth Execution & Delivery AI-enhanced development using Cursor and Copilot Agile methodology with transparent weekly progress updates Comprehensive testing and quality assurance Production Excellence Robust monitoring, logging, and error handling Performance optimization and thorough documentation 📈 Why Choose Senior Expertise? I architect systems that scale, implementing proper error handling, security protocols, and maintainable codebases. My clients avoid technical debt while accelerating their AI roadmap with production-ready solutions. I'm available for full-time engagements and ready to discuss how I can help bring your AI vision to life. less -
Hire johnnier3
Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on Lighthouse - Secure, scalable backends in Node.js/NestJS, Java/Spring Boot, .NET, and Python - High-performance Shopify and WordPress stores, custom apps, and headless setups - Blockchain dApps, smart contracts, and Web3 integrations - Automation bots, scrapers, and AI workflows - AWS infrastructure with 99.99%+ uptime and auto-scaling How I work: Daily updates, live demos, direct access (no middlemen). I act as your technical partner, flagging risks early and writing clean, documented code built to last. Clients come back because I ship faster, cleaner, and more reliably. Ready to start? Message me. I reply fast and can begin immediately. less -
Hire vasundhara19
📌13+ Years Experience • 4.9★ Rating • 179 Freelancer Reviews • Certified Developers Vasundhara Solutions Lab LLP 🚀 builds AI-powered applications, mobile apps, SaaS platforms, full-stack web applications, APIs, and scalable custom software. Our expertise includes AI Development, Generative AI, LLMs, RAG, AI Agents,...📌13+ Years Experience • 4.9★ Rating • 179 Freelancer Reviews • Certified Developers Vasundhara Solutions Lab LLP 🚀 builds AI-powered applications, mobile apps, SaaS platforms, full-stack web applications, APIs, and scalable custom software. Our expertise includes AI Development, Generative AI, LLMs, RAG, AI Agents, AI Chatbots, AI Assistants, Vector Search, OCR, Computer Vision, and AI workflow automation. For Mobile App Development, we work with Flutter, React Native, Android, Kotlin, iOS, Swift, SwiftUI, Firebase, APIs, payments, subscriptions, GPS, chat, live streaming, and audio/video calling. For Full Stack & SaaS Development, we work with React.js, Next.js, TypeScript, Node.js, Python, Django, PHP, Laravel, PostgreSQL, MongoDB, MySQL, Firebase, Supabase, Redis, REST APIs, and cloud infrastructure. We can help with: ✅ AI Applications & AI Integration ✅ AI Agents, LLM & RAG Solutions ✅ Flutter & React Native Apps ✅ Native Android & iOS Development ✅ Full Stack Web Development ✅ SaaS Platforms & MVP Development ✅ React.js & Next.js Applications ✅ Node.js & Python Backend Development ✅ REST APIs & Third-Party Integrations ✅ Marketplace, CRM & Booking Platforms ✅ E-commerce & Subscription Applications ✅ Admin Panels & Business Dashboards ✅ Existing App Upgrades & Maintenance ✅ UI/UX, QA, Deployment & Scaling Why work with us? 1️⃣ 13+ years of software development experience 2️⃣ 177 Freelancer reviews with a 4.9★ rating 3️⃣ Certified Android & iPhone Development expertise 4️⃣ Dedicated AI, Mobile, Web, Backend, UI/UX & QA teams 5️⃣ Experience from MVP development to scalable production platforms 6️⃣ Long-term maintenance, optimization and scaling support 🕹️Our game development studio was featured in Google’s #WeArePlay program in 2023. 🏢 Industries: AI | SaaS | Healthcare | Education | Fitness | Marketplace | Booking | CRM | E-commerce | Social Networking | Streaming | Automation Have an AI, Mobile App, Full Stack, SaaS or MVP project? Share your requirements and let’s discuss the right technology and development approach 🎯 less -
Hire sunilsunil02
Welcome to Aron Web Solutions – a trusted IT partner based in India, proudly serving clients worldwide since 2012. We specialize in providing expert software developers, web developers, and programming freelancers tailored to your specific project needs. With over a decade of proven experience, our team delivers...Welcome to Aron Web Solutions – a trusted IT partner based in India, proudly serving clients worldwide since 2012. We specialize in providing expert software developers, web developers, and programming freelancers tailored to your specific project needs. With over a decade of proven experience, our team delivers high-performance, scalable digital products that combine creativity, precision, and innovation. We turn your ideas into reality—with reliable, future-ready solutions. --- Core Development Skills ---< Frontend: React.js, Vue.js, Next.js, AngularJS, HTML5, CSS3, Bootstrap, JavaScript, AJAX Backend: PHP (Laravel, CodeIgniter, Symphony), Node.js, Express.js, MySQL, MongoDB, Firebase, REST APIs, Postman, CRM & Plugin Customization, API Development, Server Management, Website Restoration, Bug Fixes API Integrations: Third-Party APIs, CRM, Payment Gateways, Twilio, Lindo, ERP, QuickBooks, Unifonic, GraphQL, Storefront Stacks: MEAN (MongoDB, Express, Angular, Node), MERN (MongoDB, Express, React, Node), LAMP (PHP, Laravel, MySQL) ⚙️ Technology Focus ✅ Python-based backtesting framework using Django, FastAPI, Flask, REST APIs, PostgreSQL, and Monte Carlo simulations ✅ Salesforce, Zoho CRM, Hubspot, AI and Machine Learning ✅ React.js & Next.js, Odoo – Fast, SEO-optimized, and scalable web apps ✅ Angular – Enterprise-grade apps with rich UI/UX ✅ Node.js (Expert Level) – REST APIs, real-time apps, authentication, file uploads, queues, and integrations ✅ MongoDB – Optimized schema design, aggregation, and performance tuning ✅ Vue.js & Alpine.js – Lightweight, dynamic front-end solutions ✅ Tailwind CSS – Rapid, responsive UI design ✅ DevOps: Docker, Git, GitHub/GitLab, CI/CD, cPanel, VPS ✅ APIs: REST, GraphQL, Payment Integrations, 3rd-Party APIs ✅ Testing: Postman, Swagger, Mocha, Jest, Unit Testing ☁️ Cloud / Server Management AWS (S3, EC2, IAM), Google Cloud, Apache, Nginx --- Areas of Expertise ---< UI/UX Design: Prototypes, Wireframes, Responsive Designs Shopify: Custom & Theme Development, Apps, Shopify Plus, Liquid Coding, Checkout Optimization WordPress: E-commerce, Custom Themes, WooCommerce, Plugins, SEO, Maintenance Webflow & Wix: UI/UX, CMS Setup, E-commerce, API Integration, Custom Interactions Other CMS: Framer, Squarespace, GoHighLevel, Prestashop, Magento, Python Trusted by clients in 80+ countries, we take pride in delivering precision, performance, and perfection—every time. --- Quick Highlights ---< ✅ Established: 2012 ✅ 60+ Full-Time Professionals ✅ 9+ Years Platform Expertise ✅ 500+ Projects Delivered ✅ 100% Client Satisfaction Let’s connect! Book a free 10-minute consultation and discover how Aron Web Solutions can bring your vision to life. ✅ Click “Hire Me Now” to get started! Best Regards Sunil Kumar less
