RESTful API Jobs

Project Overview Development of a backend-only .NET Core system for an autonomous YouTube analytics backend. The system will include organization-based user authentication, YouTube API integration, and automated scheduled data fetching using a cron job scheduler, with no frontend interface. Scope of Work 1. Authentication & Organization Model o Creation of User Model and Organization Model. o Secure JWT-based authentication for login and API access. o Organization-level grouping and access segregation. o Role-based access for Admin and User levels. 2. YouTube Data API Integration o Integration with YouTube Data API v3 for fetching analytics (views, likes, comments). o Data fetched using client-provided API credentials (API key/token). o Automatic token refresh every 20 minutes. o Cl...

Familiarize yourself with the attached PDF BEFORE bidding please. This will give you a good understanding whats required. I need a full rebuild of my WordPress-based live football reporting site. Integrating Sportspress and pulling live football data from an API. The database was completely lost. Database needs rebuilding Mapping endpoints to the league IDs, then restoring shortcode based components for fixtures, standings I do have most of the original backup files, but a few files custom plugin is missing. Some good links from wayback machine provided in the pdf that will help **Familiarize yourself with the PDF before bidding**

I’m building a new product that needs to live seamlessly on the web and on both iOS and Android. The stack is already chosen—Laravel (PHP) for the back end, React with HTML / CSS / JavaScript on the front end, and an aligned mobile code-base that consumes the same API. Here’s how I see the work breaking down: • Laravel back-end: set up routing, models, controllers, and RESTful endpoints that the web and mobile clients will share, with clean authentication and well-documented responses. • React web app: responsive UI that mirrors the mobile experience, styled with modern CSS and built for quick load times. • Mobile app: a single code-base that delivers native-feeling apps on both iOS and Android, integrating tightly with the Laravel API and matching ...

ALL AI RESPONSES WILL BE DELETED Are you sick of chasing hundreds of bids between small projects? Copilot & AI taking your jobs away, and making endless bidding painful? We are offering a FULLTIME secure LONG TERM job for the right backend developers in our AI-Company. We have Government as clients, therefore a complete POLICE background check as well as a very thorough **SECURITY CLEARANCE** process is is required for proof of identity. We need more API developers for FULLTIME 40hrs per week, for a LONG TERM CONTRACT to join our Dev Team NOTE: ALL INITIAL BIDS ARE FINAL. Only BID once, the correct final bid amount $/Hr for 40hour 9-5 M-F Fulltime role. We do not accept recruiters, multiple-job applicants, outsourcing, or silent subcontracting. Our company has LONG 20+year hi...

I have a React-based product in active development and now need a dedicated Ruby on Rails engineer to own the server-side layer. The focus is squarely on backend development: designing a clean data model in PostgreSQL, exposing REST or GraphQL endpoints, and wiring everything into our continuous-deployment pipeline so we can ship quickly and iterate often. Success here demands more than just writing code. I’m counting on you to bring at least two years of professional software-engineering experience, a solid CS (or comparable) background, and a track record of launching user-facing features at scale. You should feel at home in an agile workflow, pushing small, well-tested commits several times a day and collaborating closely with a React front-end team. While Rails is the core requ...

AI Workflow & Automation Engineer (remote) !! Only respond if you are within +/- 1 hour of CET timezone!! We’re seeking an AI Workflow & Automation Engineer to design and deploy intelligent automations that enhance our User Experience, data- and customer operations. You’ll work directly with leadership to prototype and implement AI agents using OpenAI AgentKit, Azure AI Agent Services, or comparable frameworks, integrating them into our SaaS platform and Microsoft based back end. We assign projects based on 20 hour fixed packages. Based on result, output and team chemistry we will keep extending these packages. We expect a minimal commitment of 10 hours a week. Generic work descriptions: • Build, connect, and deploy AI-driven workflows that automate repetitive o...

I need help wiring a cash-in module into an existing self-service kiosk. The hardware is already installed; what’s missing is the software layer that talks to the cash acceptor, validates notes, counts totals, and pushes the confirmed deposit to my backend API. The kiosk is strictly for cash deposits—no bill-pay, ticketing, or receipt printing—so the workflow can stay lean. The job covers: • Establishing reliable communication with the cash acceptor (USB or serial, MDB/CCNet SDK available). • Polling, note validation, escrow release, and secure stacker logging. • A callback that posts the final amount and transaction ID to my REST endpoint, together with any error codes. • On-screen prompts for “Insert Cash,” “Counting…,...

The job is to architect and code a clean Node.js/Express backend that focuses on data processing and exposes a set of robust APIs the UI can consume. Scope of work • Design MongoDB schemas with Mongoose, handling validation, indexing, and relationships. • Implement business logic layers so the server can ingest, transform, and serve data efficiently. • Build versioned API endpoints, add middleware for validation, error handling, logging, and rate limiting, and keep the codebase modular for easy scaling. • Document every route clearly (Swagger or an equivalent Postman collection) so front-end integration is friction-free. • Set up scripts and brief instructions for local development, environment variables, and one-click deployment to a cloud host (Heroku,...

I’m ready to launch a service-marketplace website modelled on the flow and polish of , but built with a modern stack: React for the front end, Node.js on the server side, and AWS Lambda to keep the back end fully serverless and easily scalable. Core experience The site will let visitors sign up, browse services, book them for specific dates and times, and pay in a single, seamless journey. A clean, responsive interface in React is essential, together with a fast Node API that hands off business logic to Lambda functions. Payments must be processed securely (Stripe or a comparable gateway), and every key action—registration, booking confirmation, and payment receipt—should trigger real-time email notifications. Scope & milestones • React SPA with routing, st...

I’m enhancing a Laravel-based Fintech platform and need a developer who can wire it up to a live banking API for secure, real-time account balance inquiries. All code is in PHP 8 with Laravel 10: Scope • • • • Handle idempotency, token refresh, rate-limit handling, and detailed logging. • Return well-structured JSON that the front-end team can consume immediately. If this sounds straightforward for you, let’s talk code structure and timelines.

I have a complete 50-screen Figma design that needs to be rebuilt inside FlutterFlow, generating clean Flutter code ready for release. Every screen must mirror the current UI/UX exactly, including all animations, custom fonts, and component states. All business logic is exposed through fully documented RESTful APIs. Within FlutterFlow those endpoints have to power: • User authentication (sign-up, login, password reset) • Real-time data fetching and display across multiple list/detail views • Payment processing and post-payment status updates I will provide: – The Figma file with organised layers and style guide – A Postman collection plus full REST documentation – Test credentials for auth and payments I expect back a single FlutterFlow pr...

I’m looking for help finalising a React Native app that is already in production but still missing a few key pieces. The codebase is clean, runs on the latest Expo SDK, and is under active Git control; I’ll add you to the repo as soon as we agree on the scope. What’s left to ship • Account Settings  – Enable profile update (name, photo, phone, email)  – Wire up secure password change with current-password verification  – Add toggle-based notification settings that immediately persist to the backend • Service Time Selection  – Build a single-time-slot picker that respects the availability data returned by our API  – Surface validation errors inline (e.g., “slot already taken”) ...

I need a clean, well-documented Python module that talks directly to the PayTrace REST API. My goal is straightforward: wrap the core REST endpoints so my application can send payment requests, retrieve transaction details, and handle any other PayTrace functions I may add later without rewriting code each time. What matters most to me is solid, idiomatic Python that hides the authentication handshake, manages tokens, and exposes a simple set of functions (or a lightweight class) for the usual API interaction tasks. Use the standard requests library unless you have a compelling reason to suggest an alternative. Deliverables • A reusable .py file (or small package) that authenticates and calls the REST endpoints I specify • A quick README with setup steps, environment variab...

I’m building a business-grade ERP and need a clean, responsive inventory management module put together with HTML, CSS and Angular Material. The project already has its core architecture in place; what’s missing is the front-end piece that turns the raw data into an intuitive user experience. Here’s what I need from you: • Develop the inventory screens (list, create, edit, detail) using the latest Angular and Angular Material components. • Wire the UI to my existing REST endpoints with simple service classes so data flows both ways. • Apply sensible reactive forms, validation messages and snackbar alerts so users always understand what’s happening. • Keep styling modular—use SCSS variables and Angular Material theming so future mo...

I want a web-based taxi booking system that lets passengers sign in quickly with their phone number, request a ride, and watch their driver approach on an embedded Google Maps view. As soon as a passenger confirms a pickup point, every driver assigned to that route should receive an instant browser-push notification. The first driver to accept the job claims it automatically; the request then vanishes from every other driver’s screen to avoid double bookings. Three user roles must be supported from day one—Passengers for booking, Drivers for accepting trips and managing availability, and Administrators for overseeing routes, prices, and user management. Admins also need a dashboard that shows current trips in real time, basic analytics, and the ability to suspend or reactivate...

I need to add a set of brand-new features to my existing Flutter mobile app and wire them up to the backend currently powering the project. The core task is strictly feature development—no UI/UX redesign or bug-hunting is on the table right now. Here’s the flow: the Flutter front-end must be extended, and matching endpoints, database hooks, and any required auth or server logic have to be implemented on the backend so the new capabilities work seamlessly in production. I will provide the current source code, build instructions, and access to the staging server as soon as we kick off. Deliverables • Updated Flutter source with the new features fully functional • Corresponding backend code or endpoint modifications, ready to deploy • Clear setup notes...

I need a clean, well-documented Laravel API that handles all data management for my upcoming application. The API must expose full CRUD endpoints, push real-time updates to connected clients, and provide lightweight analytics and reporting routes for dashboards. Alongside the core logic, the service has to play nicely with three outside worlds: payment gateways (think Stripe or PayPal), email services (SendGrid, Mailgun, etc.), and the usual social-media suspects for basic OAuth and data pulls. If you already work with Laravel Sanctum/Passport for auth, queues for email, and broadcasting tools like Pusher or Laravel WebSockets for live updates, you will feel right at home here. Deliverables (all mandatory) • RESTful endpoints with request validation, policies, and resource transfo...

My production-ready Node.js application is live, but a handful of planned modules are still sitting on the roadmap. I’m looking for a developer who can dive into the current codebase, understand the existing patterns quickly, and build out those missing features so we can move to the next release without delays. Scope • Add the remaining modules (details and priorities will be shared on kickoff). • Integrate each new piece seamlessly with the current REST/JSON endpoints and front-end hooks. • Write clean, well-commented code and brief setup notes so the rest of the team can follow your changes. • Push work through Git with concise, self-contained commits and create pull requests for review. • Provide a short hand-off walkthrough once everything is ...

I need a PrestaShop module that keeps my store perfectly in step with the B2B Sports Wholesale platform (). Using the official API documentation I will supply, the module must push and pull three standard data sets—order details, customer information, and product inventory—in real time. Here is what matters most to me: IMPORTANT! Before sending offer read documentation! • Each new order or order update in PrestaShop instantly appears in my B2B Sports Wholesale account, and vice-versa. • Any stock change on either side syncs without delay so quantities always match. • Customer data flows automatically, with no need for custom fields or extra mapping beyond what both systems already understand. An intuitive back-office settings page where I can enter AP...

PHP Developer for Dolibarr Module Development (Long-Term, Hourly) Job Description: We are looking for a skilled and reliable PHP Developer with proven experience in Dolibarr ERP/CRM to join us on a long-term hourly contract. Your main responsibilities will include developing, extending, and maintaining custom Dolibarr modules for a business-critical environment. This role requires consistent delivery, clean code, and very good understanding of the Dolibarr ecosystem. Responsibilities: Develop new Dolibarr modules (custom objects, lists, cards, permissions, setup pages) Extend and enhance existing modules (hooks, triggers, templates, widgets) Work with Dolibarr core classes: CommonObject, CommonObjectLine, Form, FormFile Create/modify database tables, extrafields, dictionaries Imple...

Looking for a freelancer who can work from our office for 1 to 2 months on a contract basis to enhance our company website and help publish our research work and white papers effectively.

The React-based admin panel is already pixel-perfect; the Node.js + Express API (MongoDB) that powers our mobile app is live in production. I now need the interface to talk to the real server, not mock data. First, hook up JWT authentication: the login screen must hit the /auth endpoint, store the token, and guard all routes with React Router v6. An Axios instance with interceptors should inject the bearer token automatically and handle refresh or logout on 401. Next, replace every placeholder call with the proper endpoints for users, jobs, applications, credits, and coupons. Each action—blocking a user, deleting or approving a job, issuing or disabling a coupon—must trigger the correct POST / PUT / DELETE request and update the UI immediately. The dashboard cards and charts...

I’m building a lightweight e-commerce platform on the MERN stack and need the first release to focus on clean, searchable product listings aimed at a single Customer role. No cart or payment flow yet—just a fast catalogue that demonstrates the core browsing experience. Front-end: React (hooks, functional components, responsive design) served by Vite or Create-React-App; styling is flexible, though Tailwind CSS or plain CSS-in-JS are fine as long as the UI stays organised and mobile-friendly. Back-end: Node.js with Express will expose RESTful endpoints for products. Each item should support title, description, price, images, category tags, and stock count. Authentication can stay simple for now, using JWT to let customers create an account and log in to save favourites. Datab...

• Description Your objective is to create a WinForm demo which consumes all the Restful and subscription API in the documentation. Below is the specification. There is also a sample Java code available if you need it. The result is that we click on the button, and the action is launched successfully. Please implement all functions. Please start by logging into the platform successfully first, then code your logic in each button in WinForm. Please make sure you can log in via the API, as all subsequent actions rely on being able to log in. You can also verify your API post/input via the MATS platform. For the WinForm, please use Visual Studio, drag and drop the button from the toolbox and double click. This will make the code cleaner. Your work will be tested, and all b...

I’m ready to dive into programming and have chosen JavaScript as my first priority, specifically the back-end side of things. My goal is to understand how to build and deploy server-side applications, starting from core language concepts and moving through to real-world projects. Here’s what I need from you: • Clear, step-by-step live sessions (voice or video) that walk me through Node.js fundamentals, routing, database integration and API creation. • Practical exercises after each lesson so I can reinforce what we cover. • Feedback on my code via screen-share or shared repos to help me spot and fix mistakes early. • A small capstone project—something like a simple RESTful service—that we build and refine together so I can demonstrate wh...

I’m building an online business directory from the ground up and need a developer who knows the Node.js ecosystem inside-out. The goal is a fast, scalable platform where companies can be added, searched, and browsed with ease. Here’s what I have in mind: • A clean Node.js + Express backend that handles all CRUD operations for business listings. • REST-based (or GraphQL if you prefer) endpoints so the front-end can be expanded later without rewrites. • A responsive database layer—MongoDB fits, but I’m open to your suggestion if you can justify it. • Basic admin tools to add, edit, and disable listings quickly. • Elastic search, text indexing, or any efficient search strategy that can surface results by name, category, or location i...