Hire the Best API Developers
Jauharabad, Pakistan
You don't need someone to write code. You need someone who understands your business problem and delivers a backend that doesn't need to be rebuilt in a year. 6+ years working in PHP and Laravel across SaaS platforms, e-commerce systems, and custom WordPress backends. I've shipped 450+ projects and I maintain open-source Laravel packages actively used by other developers - that's not a line on a resume, you can read the code on GitHub before you hire me. What I actually work on: โ Laravel SaaS backends - multi-tenant architecture, billing integrations (Stripe, PayPal), job queues, real-time features with Reverb or Pusher โ RESTful and headless API development - versioning, authentication (Sanctum, Passport, JWT), third-party integrations, and passive contract monitoring so integrations don't silently break โ WordPress - custom plugins, hook architecture, WooCommerce extensions, REST API bridges between WP and Laravel systems โ Performance and refactoring - I regularly take over legacy Laravel codebases, add test coverage, resolve N+1 issues, and modernize to current standards without breaking production โ E-commerce - order pipelines, multi-channel inventory (Shopify, WooCommerce, Amazon, Etsy), payment gateway integrations A few things I've shipped publicly: Built a multi-channel notification engine for Laravel 12 with parallel dispatching and smart routing. A static analysis tool that catches dangerous migrations before they hit production. A passive API contract monitor that detects breaking changes in third-party REST APIs using probabilistic inference. These aren't portfolio pieces - they're tools other developers use. On working with AI: Yes, I use AI tools in my workflow. The difference between a developer who uses AI well and one who doesn't is knowing what to verify, what to question, and what to never let near production without review. My open-source work exists partly because I kept running into problems that AI-generated boilerplate can't solve. Who I work well with: Founders and technical leads who know what they want to build but need someone who can own the backend without constant hand-holding. If you have a spec, I'll ask the right questions and deliver clean, documented code. If you have a problem, I'll figure out the architecture. Available for fixed-price projects and ongoing contracts. Response time is fast - usually within 10 minutes
- API Development
- API
- PHP
- Web Development
- WordPress
- Custom PHP
- Laravel
- Core PHP
- PHP Script
- Website Integration
- Website & CMS Bug Fix
- Website Optimization
- Ecommerce Website Development
- Website Customization
- API Framework
- API Documentation
- API Integration
- AI Development
- ChatGPT API Integration
- Next.js
Whitney, Texas
โ๏ธ ๐ฎ๐ฎ+ ๐๐ฒ๐ฎ๐ฟ๐ ๐ผ๐ณ ๐ฐ๐๐๐๐ผ๐บ ๐ช๐ผ๐ฟ๐ฑ๐ฃ๐ฟ๐ฒ๐๐ ๐ฝ๐น๐๐ด๐ถ๐ป ๐๐ผ๐น๐๐๐ถ๐ผ๐ป๐. โ ๐ง๐ผ๐ฝ ๐ฌ.๐ญ% ๐จ๐ฝ๐๐ผ๐ฟ๐ธ๐ฒ๐ฟ. ๐๐ ๐ฝ๐ฒ๐ฟ๐ ๐ฉ๐ฒ๐๐๐ฒ๐ฑ. ๐๐ต๐ผ๐ผ๐๐ฒ ๐บ๐ฒ ๐๐ต๐ฒ๐ป ๐๐ผ๐ ๐๐ฎ๐ป๐ ๐ถ๐ ๐ฑ๐ผ๐ป๐ฒ ๐ฟ๐ถ๐ด๐ต๐ ๐๐ต๐ฒ ๐ณ๐ถ๐ฟ๐๐ ๐๐ถ๐บ๐ฒ ๐ผ๐ฟ ๐ป๐ฒ๐ฒ๐ฑ ๐ถ๐ ๐ณ๐ถ๐ ๐ฒ๐ฑ ๐ฝ๐ฟ๐ผ๐ฝ๐ฒ๐ฟ๐น๐! ๐๐ถ๐ด๐ต๐น๐ ๐๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐ฒ๐ฑ ๐ช๐ผ๐ฟ๐ฑ๐ฃ๐ฟ๐ฒ๐๐ ๐ฝ๐น๐๐ด๐ถ๐ป ๐๐ผ๐น๐๐๐ถ๐ผ๐ป๐ ๐ฏ๐๐ถ๐น๐ ๐๐ถ๐๐ต ๐ฐ๐น๐ฒ๐ฎ๐ป ๐ฐ๐ผ๐ฑ๐ฒ ๐๐ต๐ฎ๐ ๐บ๐ผ๐๐ ๐ฒ๐ณ๐ณ๐ถ๐ฐ๐ถ๐ฒ๐ป๐๐น๐ ๐๐ผ๐น๐๐ฒ๐ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ฏ๐น๐ฒ๐บ. ๐๐ป๐๐ถ๐๐ฒ ๐บ๐ฒ ๐๐ผ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ or ๐๐ฒ๐ป๐ฑ ๐บ๐ฒ ๐ฎ ๐ฑ๐ถ๐ฟ๐ฒ๐ฐ๐ ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ. Iโll be happy to schedule a call to chat about your needs, outline a solution and give you a timeline and price to make it happen. โ ๐ ๐ต๐ฎ๐ฑ ๐ฎ ๐ฑ๐ถ๐ณ๐ณ๐ถ๐ฐ๐๐น๐ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐๐ต๐ฎ๐ ๐ป๐ผ ๐ผ๐ป๐ฒ ๐ฐ๐ผ๐๐น๐ฑ ๐ณ๐ถ๐ด๐๐ฟ๐ฒ ๐ผ๐๐โ๐๐ป๐๐ถ๐น ๐ต๐ฒ ๐ฑ๐ถ๐ฑ. ๐ก๐ผ๐ ๐ผ๐ป๐น๐ ๐๐ต๐ฎ๐, ๐ฏ๐๐ ๐ต๐ฒ ๐ฎ๐น๐๐ผ ๐ฐ๐น๐ฒ๐ฎ๐ฟ๐น๐ ๐ฐ๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ฒ๐ฑ ๐ฒ๐๐ฒ๐ฟ๐ ๐๐๐ฒ๐ฝ ๐ผ๐ณ ๐๐ต๐ฒ ๐๐ฎ๐. ๐ ๐ต๐ฎ๐ฑ ๐ฎ ๐ฝ๐ต๐ผ๐ป๐ฒ ๐ฐ๐ผ๐ป๐๐ฒ๐ฟ๐๐ฎ๐๐ถ๐ผ๐ป ๐๐ถ๐๐ต ๐ต๐ถ๐บ ๐ฎ๐ป๐ฑ ๐ฎ๐ป๐ผ๐๐ต๐ฒ๐ฟ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ, ๐ฎ๐ป๐ฑ ๐๐ต๐ฒ ๐ผ๐๐ต๐ฒ๐ฟ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ ๐๐ฎ๐ถ๐ฑ, "๐๐๐๐จ ๐๐ช๐ฎ ๐ง๐๐๐ก๐ก๐ฎ ๐ ๐ฃ๐ค๐ฌ๐จ ๐ฌ๐๐๐ฉ ๐๐'๐จ ๐๐ค๐๐ฃ๐" ๐ ๐ต๐ถ๐ด๐ต๐น๐ ๐ฟ๐ฒ๐ฐ๐ผ๐บ๐บ๐ฒ๐ป๐ฑ ๐ต๐ถ๐บ, ๐ฎ๐ป๐ฑ ๐ต๐ฒ'๐ ๐ป๐ผ๐ ๐บ๐ ๐ด๐ผ-๐๐ผ ๐ณ๐ผ๐ฟ ๐ฎ๐ป๐ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐ ๐๐ผ๐ฟ๐ธ. โ ๐ฃ ๐ฃ๐ฎ๐๐น ๐ ๐ฎ๐ฟ๐ธ๐ผ๐ณ๐ณ - ๐ข๐๐ป๐ฒ๐ฟ, ๐๐ฟ. ๐ฃ๐ฒ๐ฝ๐ฝ๐ฒ๐ฟ ๐ฆ๐๐ฎ๐ฟ ๐๐ฒ๐ป๐๐ฒ๐ฟ๐ Highlights my clients appreciate about working together: โ๏ธ ๐๐ผ๐ป๐ฒ๐๐๐ - I only quote exactly whatโs needed and I track every hour using Upworkโs screen capture time tracker on every project โ๏ธ ๐ฅ๐ฒ๐น๐ถ๐ฎ๐ฏ๐น๐ฒ โ I work 7 days a week, responding to messages within 30 minutes to 1 hour during work hours โ๏ธ ๐ฆ๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐ฒ๐ฑ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ - API Integration & Automation Obsession โ Real Estate - Payment Processing - SaaS โ๏ธ ๐๐น๐ฒ๐ฎ๐ฟ ๐๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป & ๐๐ผ๐ฐ๐๐บ๐ฒ๐ป๐๐ฎ๐๐ถ๐ผ๐ป โ Youโll always know whatโs happening with your project. Youโll have Loom videos explaining how everything works. โ๏ธ ๐จ๐ฆ ๐ ๐ฎ๐ฟ๐ธ๐ฒ๐ ๐๐น๐ถ๐ฒ๐ป๐ ๐ฆ๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐ฎ๐๐ถ๐ผ๐ป - All my experience and solutions are based on American standards, best practices and expectations Hi, Iโm Rick aka Patrick! For more than 22 years my expertise has focused on making third-party applications work flawlessly with WordPress through the use of custom built plugins and API integrations. Iโm the creator of the โWordPress Plugin Dragon Frameworkโ and follow Robert C. Martinโs Clean Code principles (SOLID, DRY, YAGNI) to ensure exceptional quality. ๐๐ถ๐ด๐ต๐น๐ถ๐ด๐ต๐๐ ๐ข๐ณ ๐ ๐ ๐๐ผ๐ฟ๐ฒ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ โ Custom WordPress API Integrations - API Development & API Automation - โ Real Estate IDX Plugin & MLS API Solutions - Housecall Pro โ Custom WordPress Plugin Development & WordPress Web Development โ Business Automation Solutions - Zapier - Zapier Workflows - Google Sheets โ WooCommerce API - E-commerce Solutions - SaaS Solutions - Data Synchronization - Stripe - PayPal ๐๐ถ๐ด๐ต๐น๐ถ๐ด๐ต๐๐ ๐ข๐ณ ๐ ๐ ๐ข๐๐ต๐ฒ๐ฟ ๐๐ผ๐บ๐บ๐ผ๐ป๐น๐ ๐จ๐๐ฒ๐ฑ ๐ฆ๐ธ๐ถ๐น๐น๐ โ Senior Developer - Laravel - PHP - React - XML - JSON โ API Expert - RESTful API - Google API - MLS API - RESTful API - RESTful Architecture - SOAP API - Google API - Laravel API - RESO API โ Business Automation Solutions - Zapier - Google Sheets Thanks for learning about me! If youโre looking to get your WordPress plugin integration project done right the first time, ๐ถ๐ป๐๐ถ๐๐ฒ ๐บ๐ฒ ๐๐ผ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ or ๐๐ฒ๐ป๐ฑ ๐บ๐ฒ ๐ฎ ๐ฑ๐ถ๐ฟ๐ฒ๐ฐ๐ ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ. Iโll invite you to book a complimentary consultation call together. Talk soon! Rick aka Patrick Mac Gillis โ ๐พ๐ค๐ช๐ก๐๐ฃ'๐ฉ ๐๐๐ซ๐ ๐๐๐๐ฃ ๐๐๐ฅ๐ฅ๐๐๐ง ๐ฌ๐๐ฉ๐ ๐๐๐๐ '๐จ ๐ฌ๐ค๐ง๐ , ๐๐ค๐ข๐ข๐ช๐ฃ๐๐๐๐ฉ๐๐ค๐ฃ, ๐๐ฉ๐ฉ๐๐ฃ๐ฉ๐๐ค๐ฃ ๐ฉ๐ค ๐๐๐ฉ๐๐๐ก๐จ, ๐ง๐๐จ๐ฅ๐ค๐ฃ๐จ๐๐ซ๐๐ฃ๐๐จ๐จ, ๐๐ฃ๐ ๐๐ซ๐๐ง๐ฎ ๐ค๐ฉ๐๐๐ง ๐๐จ๐ฅ๐๐๐ฉ ๐ฎ๐ค๐ช'๐ ๐๐ญ๐ฅ๐๐๐ฉ ๐๐ง๐ค๐ข ๐ ๐ฅ๐ง๐ค๐๐๐จ๐จ๐๐ค๐ฃ๐๐ก ๐๐๐ซ๐๐ก๐ค๐ฅ๐๐ง. ๐๐ ๐ ๐ฃ๐๐๐ ๐๐๐๐๐ฉ๐๐ค๐ฃ๐๐ก ๐ฌ๐ค๐ง๐ ๐ค๐ง ๐๐๐ซ๐ ๐ ๐ฃ๐๐ฌ ๐ฅ๐ง๐ค๐๐๐๐ฉ, ๐๐๐๐ ๐๐จ ๐ฉ๐๐ ๐ค๐ฃ๐ก๐ฎ ๐ค๐ฃ๐ ๐'๐ก๐ก ๐ง๐๐๐๐ ๐ค๐ช๐ฉ ๐ฉ๐ค! โ ๐ฃ ๐๐ค๐ ๐๐ง๐๐๐ค๐ฌ๐จ๐ ๐ - ๐๐ฌ๐ฃ๐๐ง - ๐๐ช๐ฃ๐๐ง๐ค๐ช๐ฅ๐๐
- API Development
- API
- API Integration
- Automation
- Real Estate IDX
- WordPress
- WooCommerce
- MLS Consulting
- WordPress Plugin
- Web Development
- RESTful API
- PHP
- Zapier
- JSON API
- GPT API
Yamunanagar, India
I am Rahul a results-driven Airtable Automation Expert and Full-Stack Developer specializing in Airtable automation, Gravity Forms and JotForm integrations, Twilio SMS/Voice automation, and custom API development using PHP and Laravel. If you need to connect WordPress or WooCommerce to Airtable, automate business workflows, or integrate third-party APIs like Twilio, Stripe, Printful, or PayPal, I can build you a reliable, scalable solution tailored to your exact workflow. โ Core Skills & Expertise ๐ Airtable Development & Automation Airtable base design with linked records, formulas, and interfaces Advanced Airtable automations using scripts, webhooks, and the Airtable API Custom Airtable integrations with CRMs, forms, and eCommerce systems No-code/low-code workflow optimization with Make (Integromat) and Zapier ๐ Form Integrations & Workflow Automation Gravity Forms, WS Form, JotForm, Zoho Forms, Formstack, Fluent Forms & Formidable Forms Form-to-Airtable data pipelines, auto-responders, conditional logic, and lead routing Real-time webhook triggers and Airtable synchronization for lead management ๐ WordPress & WooCommerce Development Custom WordPress theme and plugin development WooCommerce automation for product management and checkout processes API integrations with Printful, Printify, and other third-party services ๐ป PHP & Laravel Development RESTful API design and backend systems using Laravel and PHP Secure Stripe and PayPal payment gateway integrations Custom API development and webhook-based workflow automation ๐ Twilio API & Messaging Automation Twilio SMS, Voice, and IVR flow setup via Twilio Studio Automated lead follow-ups, appointment reminders, and alert systems Twilio API integrations with CRMs, WordPress, and Airtable Tech & Tools: Airtable, Laravel, PHP, WordPress, WooCommerce Gravity Forms, WS Form, JotForm, Zoho Forms, Formstack, Fluent Forms, Formidable Forms Twilio API, Stripe, PayPal, Printful API, Printify โ Why Work With Me? ๐ End-to-end automation expert โ no more manual tasks ๐ Business-first approach โ focused on ROI and user experience ๐งฉ Seamless API integrations โ make all your tools talk to each other ๐ฌ Clear communication & prompt delivery Ready to bring your project to life with smarter workflows and scalable code? ๐ฌ Letโs talk today โ and turn your tech into a competitive advantage. Keyword: Twilio API, Twilio Integration SMS Messaging, Voice Calls, Twilio Functions, Twilio Studio, Twilio Call Center Solutions, center solutions using Twilio, Interactive Voice Response (IVR), Twilio Flex, Twilio Development, API Integration, VoIP Solutions,
- API Development
- Airtable
- Automation
- CRM Software
- CRM Automation
- API Integration
- Jotform
- Gravity Forms
- Google APIs
- Twilio API
- PayPal
- Stripe API
- RESTful API
- WordPress Plugin
- WordPress
- System Automation
- Email Automation
- Android App Development
- iOS Development
- Mobile App Development
Ibadan, Nigeria
Hi, I'm Adekola, a developer specializing in WhatsApp Business API integrations and messaging automation systems. I help businesses build reliable messaging infrastructure for customer notifications, automation workflows, chatbots, and high-volume messaging systems using the official WhatsApp Business API. My focus is building stable, scalable, and compliant messaging solutions that businesses can use for customer engagement, marketing, and operational automation. What I can help you build: โข WhatsApp Business API setup and integration โข Bulk messaging and notification systems โข WhatsApp automation workflows โข Chatbots for customer support and lead handling โข CRM and backend integrations โข Message template setup and approval โข Webhook and delivery tracking systems โข Scalable messaging infrastructure I work with developers, startups, and companies that want to automate communication and scale messaging operations using WhatsApp. If you're looking for someone experienced with WhatsApp Business API architecture, automation workflows, and messaging systems, feel free to reach out.
- WhatsApp
- Automation
- Chatbot Development
- Automated Workflow
- API Integration
- Marketing API Integration
- Chatbot
- Python
- ChatGPT
- Node.js
- AI Chatbot
- REST API
- CRM Automation
- PHP
- Facebook Graph API
- Facebook
- Software Development
- JavaScript
Kharkiv, Ukraine
I build data- and API-heavy platforms on Laravel + React โ and own them end-to-end. My focus is the parts most developers bolt on as an afterthought: interactive maps (Mapbox / Leaflet / Google Maps) and Meta / Google marketing-API integrations. 15 years, 50+ projects delivered, 100% Job Success. I work best on systems built to last and grow โ but I'm just as happy taking a single, well-scoped task to start. โ๏ธ FULL-STACK WEB PRODUCTS Laravel APIs paired with React frontends, built to last โ not just to ship. From SaaS platforms and admin dashboards to a multi-brand CMS engine powering 15+ automotive dealer websites (Volvo, Mercedes-Benz, Alfa Romeo, Jaguar, Land Rover). ๐บ Interactive Maps โ Mapbox / Leaflet / Google Maps API โพ Custom maps: styled tiles, markers, plotting live data โพ Map tools: drawing & editing shapes, measurements and calculations on the map โพ Example: a solar-PV design tool with live roof mapping ๐ ๏ธ Meta Graph / Marketing API โพ Lead capture: real-time leads delivered straight to CRM, email, or messenger โพ Ad tooling: custom reporting logic, automated insights, campaign automation โพ Publishing & analytics: posting to Instagram/Facebook (feed, stories), post & profile insights ๐๏ธ Google API โพ Custom Looker Studio connectors โพ Google Merchant Center feeds (recent project: 30k+ SKUs synced) โพ Google Ads automation tools ๐ณ Payments โพ Standard and custom Stripe / PayPal / Afterpay integrations However you want to start โ a full build, a senior pair of hands on an existing codebase, or one focused task (a map feature, a Meta/Google API integration, a tracking or feed setup) โ I'm easy to work with and quick to get going. Send a short note about your project, even a rough idea, and I'll tell you honestly how I'd approach it. ๐ค Thank you, Vitalii Komliev
- API Development
- Laravel
- React
- PHP
- JavaScript
- API Integration
- Web Development
- Mapbox
- Leaflet
- Google Maps API
- Facebook Graph API
- Node.js
- Next.js
- GIS
- Marketing API Integration
- Instagram API
- Facebook Advertising
- AI Development
- AI Agent Development
- Marketing Automation
Saharanpur, India
I help SaaS companies, startups and engineering teams by creating clear, practical documentation that makes products easier to use and maintain. My work includes user guides, how-to guides, API documentation, SOPs, and developer documentation. I always focus on creating content that helps users complete tasks quickly, reduces repetitive support requests and improves onboarding for both customers and internal teams. With a strong background in software engineering and web development, I understand the systems behind the documentation. This allows me to work directly with APIs, codebases, product teams and technical stakeholders to create accurate, well-structured documentation that stays useful as products evolve. ๐น User Guides | How-to Guides I create clear, task-focused documentation that helps users understand your product, complete workflows efficiently, and reduce dependency on support teams. โ User guides โ How-to guides โ Step-by-step tutorials โ Product onboarding guides โ Feature walkthroughs โ Knowledge base articles โ FAQs and troubleshooting guides โ Internal process documentation โ User manuals โ Visual workflows and screenshots ๐น API Documentation (OpenAPI / Swagger Expert) I create complete, production-ready API documentation that includes: โ Clear endpoint descriptions โ Request body parameters โ Query parameters & path parameters โ Authentication flows (JWT, OAuth, API Keys) โ Response structures with status codes โ Error codes with detailed schemas โ Properly defined data models โ Example requests & responses โ Postman collections โ SDK usage examples I work extensively with: Markdown โข YAML โข JSON โข OpenAPI โข Swagger โข Redocly โข Postman โข GitHub โช๏ธ ReadMe โข Google Docs โช๏ธ Zendesk โข Docusaurus Your APIs will not only function well - they will be understood instantly. ๐น Developer & Technical Documentation I create: โ Developer Guides โ API References โ SDK Documentation โ Integration Guides โ Database Documentation (SQL & NoSQL) โ System Architecture Documentation โ Technical Blogs & Articles โ Internal Engineering Documentation โ System Operating Procedures (SOPs) โ User Manuals โ How-To Guides โ Step-by-Step Tutorials Whether your audience is developers, internal teams or non-technical users - I adapt tone, depth and structure accordingly. ๐น Developer Portals & Documentation Platforms I build structured, branded documentation portals using: โ Redocly โ ReadMe โ GitBook โ Docusaurus โ Mintlify โ Stoplight โ Confluence โ GitHub I ensure your documentation is searchable, scalable, version-controlled, and beautifully structured. ๐น Technical & Engineering Strength My technical capabilities allow me to go beyond surface-level writing: โ Testing and validating APIs with Postman โ Running and testing SDKs โ Code commenting and codebase documentation โ JavaScript & TypeScript documentation โ Python code refactoring & documentation โ REST API workflows โ JSON, YAML, HTML, CSS โ Database structure documentation (SQL | NoSQL) Because I understand the code, I document it accurately. ๐น What You Can Expect โ Clear, concise, and developer-friendly API documentation โ Reduced support tickets and improved onboarding โ Well-structured, scalable documentation systems โ Fast turnaround & deadline commitment โ Proactive communication โ Long-term documentation management support #TechnicalWriting #TechnicalDocumentation #UserDocumentation #UserGuides #APIDocumentation #OpenAPI #Swagger #SOPWriting #KnowledgeBase #DeveloperDocumentation #InstructionManual #ProcessDocumentation #SoftwareDocumentation #Markdown #GitBook
- API
- Technical Writing
- Content Writing
- Technical Documentation
- API Documentation
- AI Writing Generator
- AI Agent Development
- Technical Documentation Management
- API Integration
- React
- MongoDB
- SQL
- Node.js
- JavaScript
- HTML
- CSS
- Blockchain, NFT & Cryptocurrency
- Cryptocurrency
- OpenAPI
- Next.js
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API developer hiring guide
API developers design and build the connections that power modern software ecosystems. From enabling real-time data exchange between platforms to creating secure endpoints for mobile apps, these professionals help businesses automate workflows, improve system integration, and unlock new product capabilities.
What does an API developer do?
An API developer builds and maintains application programming interfaces (APIs) that allow software systems to connect, share data, and perform tasks. These professionals focus on designing secure, well-documented, and scalable APIs that enable seamless integration between platforms, mobile apps, and web services.
Companies hire API developers to streamline operations, connect external providers, automate internal workflows, and enable third-party access to their software products.
How to hire an API developer on Upwork
Hiring the right API developer starts with a clear job post and continues through evaluating skills, communication, and compatibility.
Step 1: Craft a targeted job post
A well-crafted job post attracts qualified API developers who match your project requirements.
Share your objectives. Start with a clear job description that outlines your technical needs and goals.
Define your tech stack. Mention if your system uses RESTful APIs, GraphQL, AWS, or specific frameworks like Flask or Express.
List use cases and deliverables. Explain what the API should do and include whether you need documentation, testing, or integration support.
To streamline this step, use the Job Post Generator, powered by Umaโข, Upworkโs Mindful AI, to quickly draft a customized job post for your review.
Step 2: Filter and evaluate candidates
Systematically assess candidates based on technical expertise, project history, and tool proficiency.
Search the talent pool using Upwork's filters for skills, hourly rate, and work history.
Review portfolios. Look for experience building secure APIs with scalable architecture.
Check API design experience. Strong developers demonstrate knowledge in API management, life cycle, and versioning.
Look for relevant tools. Confirm familiarity with Postman, Swagger/OpenAPI, AWS, and authentication systems like OAuth.
You can use Upworkโs instant video interviews to screen applicants for a best-fit shortlist, with Uma providing side-by-side candidate comparisons.
Step 3: Interview your top choices
Direct conversations reveal how candidates approach technical challenges. Consider these common back-end developer interview questions to structure your discussions.
Discuss their process. Ask how they design, test, and deploy APIs and handle edge cases.
Explore documentation standards. Clear API documentation improves developer experience and long-term usability.
Ask about scalability. Confirm the developer understands how to optimize APIs for performance.
Upwork Messages allows you to schedule and conduct live video interviews on the platform, with call transcripts and summaries available after the calls.
Step 4: Agree on scope and begin work
Before starting the work, youโll want a firm contract in place Establishing well-defined project parameters before work begins creates a foundation for successful collaboration.
Define project structure. Choose between a fixed-price or hourly contract based on your project scope.
Outline deliverables and timelines. Break work into sprints or milestones where possible.
Discuss access and security. Ensure safe sharing of API keys, credentials, and runtime environments.
Plan for maintenance. Set terms for ongoing support if needed.
Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.
The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.
How much does hiring an API developer cost?
Most API developers on Upwork charge $20-$40 per hour, depending on experience, tech stack, and project complexity.
You can use these typical cost ranges to help estimate a budget for your API developer project needs:
Simple integration or endpoint setup
$200-$500 /project
- Single REST endpoint creation
- Basic authentication setup
- Simple third-party API integration
Standard API development
$500-$2,000 /project
- Multiendpoint API with authentication
- Documentation using Swagger/OpenAPI
- Integration with internal tools
Complex or custom API architecture
$2,000-$6,000+ /project
- Full API system design
- Public API with versioning
- Microservices architecture
- Advanced security implementation
Ongoing API maintenance
$800-$3,000 /month
- Performance monitoring
- Bug fixes and endpoint updates
- Documentation maintenance
Strategic API consulting
$3,000-$10,000+ /project
- API strategy and roadmap
- Architecture review
- Developer portal setup
FAQs about API developers
Frequently asked questions
Is hiring an API developer worth it?
Hiring an API developer is a smart investment for projects involving system integrations, third-party access, or workflow automation. A skilled developer can reduce development time and improve product flexibility.
What skills should I look for in an API developer?
When hiring an API developer, look for experience with RESTful API design, versioning, error handling, and authentication protocols like OAuth. Common languages include Python, JavaScript (Node.js), or Java. Familiarity with API testing and documentation tools like Swagger or Postman is also valuable.
What's the difference between an API developer and a back-end developer?
The API developer role is a subset of back-end developers, focusing specifically on creating APIs for system communication. A dedicated API developer is typically more skilled in designing secure, scalable, and well-documented interfaces.
Do I need a full development team, or can one API developer handle the project?
Many API projects can be handled by one experienced professional. However, if the API is part of a larger system overhaul or involves deep coordination with front-end or mobile teams, a broader development team may offer better outcomes.
Are API developers responsible for API documentation?
Yes, in most cases, skilled API developers provide technical documentation covering endpoints, parameters, and authentication methods. For customer-facing APIs, you may also want a technical writer to polish the format.
Which programming languages are commonly used in API development?
Python, JavaScript (Node.js), and Java are the most common languages for API development. Developers may also use frameworks like FastAPI, Express, or Spring Boot. Familiarity with cloud service SDKs like AWS is important for deployment.
How do API developers support AI agents and modern web applications?
API developers build stable, scalable interfaces that allow AI agents and web applications to access data, trigger actions, and interact with external systems in real time.
Whatโs the role of an API developer in managing public APIs?
An API developer builds and maintains connections that power software ecosystems, especially when using or publishing public APIs. They ensure your API's functionality is reliable, well-documented, and secure.
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