Stripe payment gateway php jobs

Need a seasoned PHP developer to work on a new project involving registration form creation. This should be done using HTML, PHP, and MySQL. Mandatory Requirements: - Development of a user registration form (please see attached) - User authentication functionality - Payment gateway integration - Managing this data through MySQL The registration form should contain specific fields as per the attached document. Ideal Skills For The Job: - Strong expertise in PHP, HTML, and MySQL - Experience with web form creation - Knowledge of payment gateway integration - Proven record in database management. From submission must store information in Database, Send Email to Admin Form Design Form View Send Form to Email Form details as per attachmen...

...experience in integrating the MSG91 SMS gateway for OTP verification. The integration is required for both my website and mobile app. Key requirements include: - Implementing MSG91 API: You should have in-depth knowledge of the MSG91 API and experience integrating it for OTP verification. - Cross-platform Integration: Given that the integration is needed for both my website and mobile app, you should be comfortable working across different platforms. - Ensuring OTP Functionality: The primary purpose of this integration is to enable OTP verification for user actions, so you should ensure that this functionality works seamlessly. Ideal Skills and Experience: - Previous Experience: I'm looking for someone who has successfully integrated MSG91 or a similar SMS gateway ...

...skilled PHP developer to assist us in optimizing the code of our WordPress plugin based on feedback from WordPress. The ideal candidate should have a strong background in PHP development, particularly within the WordPress ecosystem, and be familiar with best practices for plugin development. Responsibilities: - Review and analyze feedback provided by WordPress on the performance and quality of our plugin code. - Identify areas for improvement and optimization within the existing codebase. - Clean and refactor code to enhance performance, security, and maintainability. - Collaborate with our development team to implement necessary changes and improvements. - Conduct thorough testing to ensure that the plugin functions correctly after optimizations. Requirements: - Proven ...

Hello Only freelancer Bid Company/Agency please dont bid Thank you Bid After check full description only I am looking For Php Laravel Developer (if you have 2 to 5 year experiance also no problem ) I want to Hire Full Time on monthly basis And its not about 1 month will work on continue basis No need for 10 to 20 year of experience developer Coz i cant able to pay that much Work profile I have few projct running so i want to work on that and everyday support for client Mostly development and support If you have experiance on Vue.js thats also very good but not compulsory My Budget is 30,000 INR to 40,000 INR ( we can increase the budget after few month ) Work Timing is flexible ( will discuss on meeting ) Let me know if you are intrested Thank you

Good morning I would like to have a simple download counter for my website. This feature should work with mysql php JQuery, add a simple IP control to not increment the counter on each click, then show the download count. A simple "variable php" feedback on the number of downloads will be enough for me, I will take care of displaying it on the site. In the "assets/javascript" directory you have a file in s file there is a function "$("#download").click(function (e)" Config Server : PHP 7 .. 8

I'm seeking a proficient Flutter developer who can create widgets compatible with Android, iOS, and...can create widgets compatible with Android, iOS, and Flutter web applications. The primary function of the widget will be to facilitate ticket booking. Key Requirements: * Create a user-friendly Flutter widget for ticket booking * Ensure compatibility across Android, iOS and Flutter web applications * Payment gateway integration using Stripe for seamless ticket purchases Ideal Skills and Experience: * Prior experience in Flutter development * Knowledge in integrating Stripe payment gateway * Familiarity with creating ticket booking systems * Understands platform compatibility requirements for Android, iOS, and Flutter web applications.

...applications. This project intends to execute an efficient web application that serves the key purposes of inventory and payment management. Main Objectives: - Streamline administrative processes - Improve internal communication - Enhance data analysis for better decision making Needed Functionality: - Inventory management system: The application should keep accurate track of the inventory levels and alert the users when restocking is needed. - Payment management: The application should be capable of processing payments, invoices, and balancing accounts. Ideal Skills: - Proficiency in back-end and front-end development - Knowledge in SQL for database structure - Understanding of payment gateways The successful freelancer should exhibit strong understanding of cl...

I need of an experienced PHP Laravel developer to create an ecommerce website for multiple products. Though the specific features are not defined, I am looking for products to be organized by category. Successful freelancers should include past work in their application. The ideal candidate should have: - Proven experience in ecommerce website development - Expertise in PHP and Laravel - Strong understanding of product categorization - A good understanding of UX/UI for ecommerce applications Please send references and previous work for review. I need below features.

...features that are integral to this project include: - Product listing: This should be managed by a bulk upload method through my csv file. - User registration: Allow for a simple and secure sign-up procedure for our customers. - Payment gateway integration: Ideally, this should be a secure, trusted, and well-known service. All website hosting will be executed through Hostinger for this project. Additionally, I will be supplying all the content needed for the website, so no content creation services are needed. WordPress-centric developers with a focus on e-commerce and payment systems will be ideal for this job. Looking forward to your knowledgeable and creative inputs. **need to have all of my products uploaded using my cv s file with over 500 products, (should...

I need a skilled freelancer to integrate a custom UPI payment gateway on my platform as soon as possible. - I'm looking for an experienced professional who has worked with UPI payment gateways before. - The custom UPI gateway which I have already, reliable and user-friendly. - The integration should be seamless with my existing platform. - I have to integrate it on 2 website I need this to be done urgently, so I'm looking for someone who can deliver fast without compromising on the quality of the integration.

...series podcast. The website needs to have in-built payment systems, enabling the sale of the first episode for free, and subsequent episodes either individually or as part of a series package. Customers should be able to access purchased content through a user account on the website. Key requirements: - WordPress website for a podcast series - Stripe payment gateway integration for episode purchases - Ability to provide the first episode for free - Options for customers to buy individual episodes or the whole series with extras - User account setup for content accessibility post-purchase Ideal for this project are: - Experience with WordPress development, specifically in eCommerce and user accounts - Proficiency in integrating Stripe payment g...

I'm looking to set up a minimalist and simple WP Easycart for my e-commerce store...features: - Product Catalog: I have about 20 products that need to be migrated to the new Easycart. - Shopping Cart Functionality: The system should have a seamless shopping cart experience for users. - Payment Gateway Integration: I need assistance with integrating a payment gateway to ensure secure and efficient transactions. I plan to manage the inventory by manually updating stock levels. Ideal skills and experience for this job include: - Proficiency in WordPress and WP Easycart setup. - Experience in designing minimalist and simple e-commerce stores. - Prior experience in integrating payment gateways. - Good communication skills to understand my requirements...

...who can create an e-commerce website with strong emphasis on the integration of a payment gateway. Key Requirements: - Development of an E-commerce Website: The primary goal of this project is to have a fully functional and user-friendly e-commerce platform. The website should be able to handle multiple products, categorization, and user management. - Payment Gateway Integration: An essential feature of this e-commerce site is the seamless integration of a payment gateway. The gateway should be secure and reliable, ensuring that transactions are processed efficiently and safely. Skills and Experience Required: - Proven experience in developing e-commerce websites, particularly with a focus on payment gateway integration...

I am seeking a proficient developer to incorporate additional methods of adding funds to a Telegram wallet. These should include Credit Card, Debit Card, and Bank Transfer - offering users a diverse range of options to suit different preferences. The f...These should include Credit Card, Debit Card, and Bank Transfer - offering users a diverse range of options to suit different preferences. The funds should be processed instantly, providing real-time updates to the wallet's balance. For enhanced security, the system should integrate Two-factor Authentication (2FA), safeguarding the transactions of each user. Ideal Skills: - Expertise in payment gateway integration - Knowledge in Telegram API - Profound understanding of 2FA mechanisms - Experience in developing secure ...

...for users to input their trip details and receive real-time fare estimates from both platforms. Once users have compared the fares, they should be able to seamlessly redirect to the Uber or Lyft app to book their ride. Additionally, we want to incorporate a blog and forum section to foster discussions and provide valuable information for both drivers and riders. Skills Required: Proficiency in PHP, Laravel framework, HTML, CSS, and JavaScript Experience with API integration (Uber and Lyft APIs) Strong understanding of web development and design principles Ability to create secure, scalable, and responsive web applications Excellent problem-solving and analytical skills Good communication and project management skills Responsibilities: Design and develop a user-friendly fare com...

I'm in urgent need of a competent freelancer t...and capture real-time updates about my existing inventory. - Customer Chat Support: An embedded chat mechanism is required for prompt interaction with vendors. Specifically, I would like to engage with my vendors using SMS. Ideal Skills and Experience: - Proven experience with platform - Basic understanding of order tracking and inventory management systems - Familiarity with SMS gateway integration - Quick turnaround time Despite skipping the level of order tracking, I will provide more details once we kick off the project. Looking forward to your prompt responses as I need this done ASAP. Here is the video to explain better -

I'm in need of a skilled web designer to create an e-commerce website. The site will be selling services, specifically consulting and courses. A key requirement for this project is the integration of Stripe as the payment gateway. Ideal skills and experience for this project: - Strong portfolio of E-commerce websites, particularly those selling services - Proficiency in designing and implementing Stripe payment gateway - Understanding of E-commerce best practices and user experience design - Ability to create a modern, clean and professional design - Strong communication skills to collaborate effectively on this project

...experience and interface intuitive, as the platform will cater to a wide range of individuals with varying levels of technical proficiency. Ideal Skills: - Experience in developing similar platforms with a focus on financial tracking and agricultural projects is highly desirable. - Strong understanding of crowdfunding and investment platforms. - Ability to create a secure and user-friendly payment gateway. - Good communication skills and a proactive approach to problem-solving....

I'm looking for an expert to help me set up and launch my new online store. Key project requirements include: - Creation of a visually appealing and easy to navigate online store using Shopify - Integration of shopping cart and payment gateway for secure transactions - Setup of product pages that are well-organized, with high-quality images and detailed descriptions - Implementation of best practices for SEO and conversion rate optimization - Assistance with initial product upload and testing to ensure site is fully functional and ready for launch - Suggestions for additional features or apps to enhance user experience and drive sales The ideal candidate should have: - Extensive experience in building e-commerce websites, particularly on Shopify - A strong understandin...

I'm looking for a skilled web developer to create an e-commerce web...the site are to sell products online and provide a seamless user experience. Key Responsibilities: - Develop an e-commerce website that is user-friendly and visually appealing. - Implement and integrate a payment gateway to allow secure transactions. - Create a user registration and login system to enhance customer engagement and manage orders efficiently. Ideal Skills and Experience: - Proven track record as a web developer, specifically in e-commerce site creation. - Proficiency in web development technologies such as HTML, CSS, JavaScript, and more. - Experience with payment gateway integration and user registration and login systems. - Strong attention to detail and ability to crea...

I am looking for a skilled PHP developer to create a website that can check the validity of RDP login credentials. The website should: - Allow users to input RDP username and password - Perform a check on this data - Display the results directly on the website Key Requirements: - Create a user-friendly interface - Implement a robust RDP username & password checking system - Ensure that results are displayed accurately Ideal Skills: - Proficient in PHP - Experience working with RDP protocols - Strong understanding of web development and user interface design Please let me know your related experience and how you plan to approach this task.

...login feature. - Develop robust file upload and download functionality for various types of files: documents such as PDF, Word, and Excel; images including JPEG, PNG, GIF formats; and media files such as audio and video. - Integrate a highly secure and user-friendly payment gateway for transactions. Ideal Skills for this Project: - Proficient in full-stack development. - Experience in building e-commerce platforms, particularly with user account management and file sharing features. - Strong understanding of payment gateway integration. - Ability to work with various digital file formats. - Attentive to details, particularly regarding security and user privacy. Please note, I have not specified any particular design preference for the site, as f...

...unfinished dreams, and promises to keep them safe within this world he has crafted just for them. But the Haven is not without its challenges. Dark entities from the depths of hell seek to disrupt the peace, driven by envy of the sanctuary’s light. Mr. Candy, along with his trusted companions – the mischievous yet loyal Pumpkin Twins, the wise Skele-bros, the enchanting Blue Wisp, and the cryptic Stripe – stand as protectors of the Haven. In this episode, a shadowy figure attempts to infiltrate the Haven, but Mr. Candy and his friends work together to unveil the intruder’s true intentions and safeguard the children’s souls. Through clever tricks, powerful magic, and the strength of their bond, they repel the invader, ensuring that the Haven remains...

...skilled WordPress developer to embed iframe payment pages for Worldpay, Sagepay, and Barclays into my websites. Key Project Details: - We'll need to integrate each payment gateway separately, so you should have experience with multiple integrations. - I already have all the necessary API keys and developer accounts for these payment gateways, so you'll mainly be focusing on the integration process. Ideal Skills: - Strong proficiency in WordPress - Experience with integrating payment gateways, particularly Worldpay, Sagepay, and Barclays - Proficient in handling iframe elements and handling multiple integrations - Strong understanding of API calls and credentials management Your primary role will be to ensure smooth transactions by integra...

Hi we have small web application on PHP we have face issue to save or publish some data and some table shorting please bid if you can fix this quickly

I'm in urgent need of a payment page for my WordPress website. I'd like the payment gateway to be integrated with Worldpay, Opayo, and Barclays. Key Requirements: - Create a payment page for WordPress - Integrate with Worldpay, Opayo, and Barclays - Ensure a seamless user experience - Support multiple currencies (if possible) I would need this project completed ASAP. Ideal Skills: - Proficiency in WordPress development - Extensive experience in integrating payment gateways, particularly Worldpay, Opayo, and Barclays - Strong UI/UX design skills to ensure a seamless user experience - Ability to work under tight deadlines and deliver high-quality work.

As the client for this project, I'm seeking a skilled developer for an effective e-commerce website that handles both physical and digital products. This site needs to be specially developed for seamless bank tran...physical and digital products. This site needs to be specially developed for seamless bank transactions. Key requirements include: 1. Capability to list and sell both physical and digital products 2. A secure system for processing bank transfer payments 3. Immediate project commencement with swift completion Strong applicants should come with experience in e-commerce website development, payment gateway integration (specifically for bank transfers), and efficient project delivery capabilities. Familiarity with both physical and digital product catalogs is...

I need a skilled full-stack PHP developer with expertise in core PHP. The project is of a small scale, consisting of a few pages and features. Key requirements for the role include: - Proficient knowledge in core PHP - Experience in Database Management and APIs is crucial - Attention to detail and commitment to deadline - Good communication skills The candidate should demonstrate enthusiasm, initiative, and a hard-working approach to any challenge given. I look forward to working with you.

I'm looking for a Shopify expert to help me with the setup of my online store. Key Requirements: - I already have a domain name, so you won't have to worry about that part. - The primary goal of this store is to sell physical goods, so the design a...store is to sell physical goods, so the design and layout should be optimized for showcasing and selling products. Skills/Experience Needed: - Prior experience with setting up Shopify stores, especially stores aimed at selling physical goods, is a must. - Familiarity with best practices for e-commerce stores, including design and user experience. - The ability to help me with integrating a payment gateway and setting up shipping methods is a big plus. Please let me know about your previous experience and how you pla...

...video demonstrating payment notifications specifically from Stripe on an iPhone. Key Requirements: - The video should be realistic and utilize actual screen recordings. - The focus will be on demonstrating online purchases through Stripe as the payment platform. Ideal Freelancer: - Experience in creating similar videos or tutorials showcasing mobile applications or payment platforms. - Proficiency in video editing and screen recording software. - Excellent attention to detail to ensure the video looks and feels realistic. Time on the phone will be 9:36 The 3 first notifications the user receive on his phone will be : You received a payment of 504€ from odile-deray@ ! You received a payment of 99€ from jeanpaul-martoni@ ...

...search and filtering functionalities to enhance user experience. - Set up a seamless shopping cart and checkout process for customers. - Integrate Shiprocket for efficient shipping services. - Incorporate a secure and reliable payment gateway. - Make performance optimization a top priority for the site. Ideal Skills and Experience: - Expertise in WooCommerce and WordPress development. - Proven experience in customizing and optimizing online stores. - Prior experience with Shiprocket or similar shipping integrations. - Strong understanding of different payment gateway options and integration processes. - A track record of improving website speed and overall performance. If you have a keen eye for details and are dedicated to building a top-performing eComme...

Description: The objective of this project is to develop a PHP application that enables sending messages to customers via the WhatsApp platform using the official WhatsApp Business API. This application will be useful for effective communication with customers, sending notifications, order confirmations, appointment reminders, among other relevant messages for the business. Key Features: Authentication and Authorization: Implement a secure authentication system to protect access to the application and ensure that only authorized users can send messages via the WhatsApp API. Integration with WhatsApp API: Utilize the official WhatsApp Business API to send text messages, images, files, and other supported content types. Contact Management: Develop a system to manage the list of cus...

I'm in need of a skilled PHP/MySQL programmer to help me resolve issues with my legacy application. While the data in the current database isn't critical and can be easily recreated, the system is currently not allowing the addition or update of database records, although deletion is possible. Key requirements and responsibilities: - The main issue is resolving the problem of not being able to add or update database records. - There are no error messages displayed, so a deep understanding of PHP and MySQL is needed to identify and solve the root problem. - Once the issue is resolved, the next step would be to optimize the application to prevent similar issues in the future. Ideal skills: - Proficient in PHP and MySQL - Experience in working with and debugg...

I need a PHP expert to integrate PayPal into my website for one-time payments. The system should ideally support multiple international currencies. Key requirements: - Integration with PayPal: The freelancer should have extensive experience with integrating PayPal into websites. - PHP expertise: The project requires a solid understanding of PHP to ensure the integration is smooth and effective. - International currency support: The ideal candidate will have experience in configuring PayPal to support multiple international currencies, as this is a key requirement for the project. Please share your relevant experience and a clear plan on how you intend to approach this project.

I'm looking for a skilled Laravel developer with experience in Stripe integration to help me resolve an issue that has recently appeared. - **Issue Description**: The problem occurs at the beginning of the transaction. - **Access**: I will provide you with full project source code, so you can comfortably diagnose the issue and proceed with the necessary fix. Through Github. Please only apply if you have previous experience with similar tasks and are confident in your ability to deliver a quick and effective solution.

...the footer And leaves on the right. - Footer content should include: Column 1: Small kalataru logo and under it social media links Column 2: About us Contact us Careers Kalataru Magazine Column 3: FAQs Returns and exchanges Shipping and Handling Terms of Service Privacy Policy Column 4: Sign up to our email Newsletter (Email ID text box with validation) (Subscribe button) - Integration with payment gateway (phonepe) - Cart and login mechanism should be OTP based and very direct and easy - Collect user data in a proper format (ip, usage, email_id, phonenumber, name, etc) - Integrate with google analytics - The background needs to have floral arts - The design language needs to be similar to Motif art. - We have our design language and brandbook with select few colours we w...

I have a scanned document that I need edited into a PDF for a new payment advice or receipt. The new document should keep a similar layout and design as the original, but I need some changes made to the text content. Specifically, I need the following modifications: - Addition and removal of text - Edit text content I'm looking for a freelancer with experience in PDF editing and design who can ensure that the final document is professional and clear. The ability to make minor design modifications is important, as long as the essence of the original document is maintained. Your attention to detail and ability to deliver timely and accurate work is crucial for this project.

...primary responsibilities include database management, backend development, API integration, and connecting the frontend to the backend. The project requires connecting Razorpay as the payment gateway and Shiprocket as the delivery partner. The frontend design will be provided as custom HTML, CSS, and JavaScript. **Responsibilities:** 1. Implement database architecture and management using Laravel's ORM. 2. Develop backend functionality to support the e-commerce website's operations, including user authentication, product management, order processing, and more. 3. Integrate Razorpay for secure and efficient payment processing. 4. Integrate Shiprocket API to facilitate seamless order fulfillment and shipment tracking. 5. Connect the frontend to the backend,...

I'm in need of a skilled developer to develop plugin to integrate the CashFree payment gateway into my amemberpro Pro website. Key Responsibilities: - Integrate CashFree payment gateway with amemberpro site - Ensure seamless user experience during payment process - Test the plugin in a staging environment before deploying it live The Ideal Candidate: - Proficient in custom plugin development for amemberpro - Experience in integrating payment gateways, especially CashFree - Ability to work independently and deliver high-quality work within deadlines - Familiarity with testing and deploying plugins in a live environment As I already have a CashFree account, you'll be focusing primarily on the integration and testing aspects of this proj...

I'm in need of a skilled freelancer to integrate a custom payment gateway into our Farmart Cart software. here is sample code: Looking for someone that can add a plugin to our existing website (created with laravel by botble. See this link for the product we have and their support documentation. We need a checkout option for Zelle and for Cashapp. These will be seamless just like checking out with credit card. The customer will select one of the two options and then they will be prompted to login to their account to complete the payment then upon successful payment they will be reverted to the payment success screen. Additionally you will add a field into the product category

I'm in need of an experienced PHP and Wordpress developer to assist with ecommerce website, theme customization, plugin development, and additional tasks relating to Inventory management and Sales tracking. We are embarking on an exciting project to develop an ecommerce website for health products using WordPress, and we need a proficient PHP and WordPress developer who can take on a range of tasks for our ecommerce project. Responsibilities will include: Mastering PHP Coding: Proficiency in PHP coding is essential for customizing and extending WordPress functionality to meet our specific requirements. Customizing WordPress Themes: We require expertise in customizing WordPress themes to ensure they align with our branding and design preferences while m...

I need a new PHP coder I need some easy projects coding at low budget I need work for long term

I'm currently in need of a skilled professional versed in CSS3, HTML5, PHP, and MYSQL. My primary requirement consists of creating minimalist and clean CSS styles for specific pages, namely the products page, product view, and checkout page. In addition to this, there will be some light PHP work involved. The ideal candidate should have demonstrable experience in these areas and a good eye for clean and minimalist design. Efficiency and attention to detail are key.

...The app should support vendor accounts, enabling businesses to participate and engage with individual customers. - Signup: A straightforward and easy-to-use signup process is important for user acquisition and retention. - Payment Gateway: A secure and reliable payment gateway is necessary to facilitate transactions within the app. Ideal skills and experience for this job include: - Proficiency in cross-platform app development - Previous experience in developing video calling apps - Understanding of e-commerce and vendor account functionalities - Prior work with payment gateways - User-friendly design and intuitive user experience I'm looking for a developer who is not only technically competent but also creative, communicative, and reliable. I...

...management plugin and integrating Snipepay as a payment gateway in WooCommerce. Our hosting company currently sets up client accounts manually through a control panel that supports API integration. The successful development of this project requires extensive knowledge of this API to enable full automation of the account setup, hosting package ordering, and management processes directly from our WordPress site. The developer will need to ensure seamless communication between our WordPress interface and the control panel's API, enabling users to perform all actions in an automated, user-friendly manner without manual intervention. This includes the ability to manage domains, select hosting packages, and complete purchases with full integration of the payment sy...

I'm looking for an experienced Java / ColdFusion developer to help with web development. We use ColdFusion 2016 which sits on top of Java. We are trying to integrate with Stripe Credit Card payment system, using their "Custom payment flow". They do not offer a ColdFusion backend but they do offer a Java backend. I am looking for someone to see if the Java backend they offer will work with ColdFusion, build an example cfm page, also advise us on how to get it working on ColdFusion.

...seeking an experienced web designer to create a dynamic and intuitive online platform for selling my professional consulting, design, and writing services. Key Requirements: - The website will primarily focus on selling services. - It should be able to display my professional services in a user-friendly and visually appealing manner. - It should be designed with PayPal as the exclusive payment gateway. Ideal Candidate: - You should have excellent web design skills with strong knowledge of user interface and experience. - Having experience in creating websites in similar niche will be an advantage. - Prior experience in integrating PayPal for online transactions is required. I'm excited to see how your skills and creativity could enhance this project. Kindly inc...

We have an existing PHP/QuickBooks Online application designed to sync QuickBooks invoices to a MySQL database. The application works correctly when executed but we have an issue where the security token needs to be refreshed manually every 24 hours. We need to devise a way for this application to run with no requirement for refreshing the token manually. The program syncs orders in real-time so manual token refresh is not an acceptable way to do this. A developer is required with experience working with QBO applications and working with the QBO token refresh system so this refresh is done automatically.

I am looking for an experienced (4+ years) React JS and Node JS developer who can help in updating and adding new functionalities to existing web application. Your experience with Shopify APIs would be highly advantageous. Key Requirements: - have good understanding of UI UX - Integrate a payment gateway - Extensive experience with API integration - Proficient use of PostgreSQL as the database management system Preferable Experience: - Previous experience with developing react js , node js application - Proven experience with integrating Shopify APIs

...create a cutting-edge mobile application for iOS & Andoid. The primary objective of this project is to develop a robust and user-friendly app that will be deployed as a Platform as a Service (PAAS) solution for business. Key Requirements: - Proficiency in IOS and Android app development - Experience with PAAS application development is a plus - Strong understanding of software development - Payment gateway development The ideal candidate should have a proven track record in building successful, high-quality mobile applications. The app should be designed to streamline business processes, enhance user experience, and provide a solid foundation for scalability and future feature additions. Please include samples of your previous mobile app development work when app...