Hire the Best Restful API Freelancers
in Sri Lanka

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Muhammed A.

Puttalam, Sri Lanka

$15/hr
5.0
3 jobs

๐—œ ๐—ต๐—ฒ๐—น๐—ฝ ๐—ฏ๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€๐—ฒ๐˜€ ๐—ฎ๐˜‚๐˜๐—ผ๐—บ๐—ฎ๐˜๐—ฒ ๐—ฟ๐—ฒ๐—ฝ๐—ฒ๐˜๐—ถ๐˜๐—ถ๐˜ƒ๐—ฒ ๐˜„๐—ผ๐—ฟ๐—ธ, ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ ๐—”๐—œ-๐—ฝ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ฒ๐—ฑ ๐˜„๐—ผ๐—ฟ๐—ธ๐—ณ๐—น๐—ผ๐˜„๐˜€ ๐˜‚๐˜€๐—ถ๐—ป๐—ด ๐—ป๐Ÿด๐—ป, ๐— ๐—ฎ๐—ธ๐—ฒ, ๐—ญ๐—ฎ๐—ฝ๐—ถ๐—ฒ๐—ฟ, ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป, ๐—ฎ๐—ป๐—ฑ ๐—บ๐—ผ๐—ฑ๐—ฒ๐—ฟ๐—ป ๐—Ÿ๐—Ÿ๐— ๐˜€, ๐—ฎ๐—ป๐—ฑ ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ ๐—ฐ๐˜‚๐˜€๐˜๐—ผ๐—บ ๐—”๐—œ ๐˜€๐—ผ๐—น๐˜‚๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐˜‚๐˜€๐—ถ๐—ป๐—ด ๐—Ÿ๐—Ÿ๐— ๐˜€, ๐—ข๐—น๐—น๐—ฎ๐—บ๐—ฎ, ๐—ช๐—ต๐—ถ๐˜€๐—ฝ๐—ฒ๐—ฟ & ๐—ฒ๐˜๐—ฐ. Iโ€™m a Software Engineer with 7+ years of development experience and a growing track record on Upwork, with real automation projects already completed. While Iโ€™m new to Upwork, I bring production-level engineering discipline, not fragile or experimental automations. My focus is simple: build reliable systems that save time, reduce manual effort, and run in production. โš™๏ธ Automation & AI Expertise ๐Ÿ”น Automation Platforms โ€ข n8n (cloud & self-hosted) โ€ข Make (Integromat) โ€ข Zapier โ€ข Webhooks, REST APIs, OAuth ๐Ÿค– AI & Intelligent Workflows โ€ข LLM-powered automation (OpenAI / GPT) โ€ข AI document processing & classification โ€ข Resume / CV analysis & scoring โ€ข Structured AI outputs for CRMs and databases โ€ข Prompt-controlled AI logic inside workflows ๐Ÿงฉ Business Tool Integrations โ€ข Google Workspace (Sheets, Docs, Gmail) โ€ข ClickUp, Notion, Airtable โ€ข GoHighLevel. VAPI, Retool. โ€ข Email, messaging & notification workflows โ€ข File, form & data pipelines โ€ข etc.... ๐Ÿง  Core Capabilities โœ… Workflow automation for operations, marketing, and internal tools โœ… AI-enhanced automations with decision logic and scoring โœ… Python automation scripts & background jobs โœ… API integrations & data synchronization โœ… Error handling, retries, logging & monitoring ๐Ÿšซ I do not build demo automations. โœ… I build systems meant to run daily without breaking. ๐Ÿš€ Selected Project Experience ๐Ÿ“Œ AI Recruitment Workflow Automation Built an automation that analyzes CVs and cover letters, scores candidates using AI, and generates structured outputs for hiring teams. ๐Ÿ“Œ AI Avatar Video Automation (n8n) Developed an n8n workflow that creates AI avatar videos where a virtual presenter speaks scripts using only a photo and text input. ๐Ÿ“Œ Blockchain & Backend Automation Systems Implemented backend automation for transaction execution, monitoring, and data processing across multiple blockchain networks. ๐Ÿ›  Tech Stack โš™๏ธ Automation: n8n, Make, Zapier, Python, Nodejs Bots ๐Ÿค– AI: OpenAI (GPT), prompt-based workflows ๐Ÿ’ป Frontend: React, Next.js ๐Ÿ’ป Backend: Python, Node.js ๐Ÿ—„ Databases: PostgreSQL, MongoDB, MySQL, Supabase โ˜๏ธ Infrastructure: Docker, AWS, CI/CD ๐Ÿ” Other: Web scraping, API integrations ๐Ÿ”— Blockchain Integration: EVM, Solana, TON, SUI. ๐Ÿค What You Can Expect โœ” Clear communication & realistic timelines โœ” Well-structured, documented workflows โœ” Scalable logic โ€” not quick hacks โœ” Post-delivery support if adjustments are needed ๐Ÿ“ฉ Letโ€™s Work Together If you need workflow automation, AI integration, or want to replace manual work with reliable systems, feel free to message me. Iโ€™m happy to review your use case and suggest the best approach before we start.

  • RESTful API
  • API
  • Web Development
  • Web Application
  • HTML5
  • Python
  • Python Script
  • API Integration
  • Artificial Intelligence
  • Bot Development
  • JavaScript
  • Node.js
  • React
  • n8n
MOHAMED NAHAS N.

Puttalam, Sri Lanka

$35/hr
4.9
129 jobs

I have been working in the IT industry since 2011. Over the years, I have gained experience in designing websites, testing, and implementing applications using HTML, HTML5, CSS3, PHP, JavaScript, jQuery, AJAX, and WordPress (theme and plugin development). I also have experience in framework development, primarily with Laravel, CodeIgniter, and CakePHP. Additionally, I have developed eBay APIs, such as Trading, Finding, and Shopping, as well as Amazon Web Services (Amazon MWS).

  • RESTful API
  • API Development
  • API
  • API Integration
  • PHP
  • WooCommerce
  • jQuery
  • Shopify Apps
  • AJAX
  • eBay API
  • eBay Web Services
  • OAuth
  • Web Application
  • JSON
Maathavan N.

Colombo, Sri Lanka

$20/hr
5.0
3 jobs

I am an experienced Backend Developer with extensive experience with Golang, NodeJS, TypeScript, SQL, Python, PHP, AWS, React, Flutter, Google APIs, WordPress, Payment Gateways, AI, and Rest APIs. Services - Backend Development: Custom Backend Solutions, Scalable Architecture, Microservices & Serverless - API Development & Integration: API Development, Third-Party API Integration, API Management - Database Management: SQL Databases, NoSQL Databases, Data Migration & Optimization - Cloud Services: AWS Services, Firebase Integration, Cloud Architecture - Web Development: Full-Stack Development, WordPress Development, Performance Optimization - App Development: Backend for Mobile Apps, API for Mobile Apps, Real-Time Features - AI Integration: ChatGPT API Integration, Machine Learning Models - Consulting & Support: Technical Consulting, Ongoing Support, Code Review & Optimization Why Choose Me? - Over 6 years of experience in backend development. - Proven expertise in building and integrating APIs. - Strong problem-solving skills and attention to detail. - Commitment to delivering projects on time and within budget. - Excellent communication and collaboration skills. Let's Work Together! I am excited to bring my skills and experience to your project. Let's discuss how I can help you achieve your goals with efficient and scalable backend solutions. Feel free to reach out to me for a detailed discussion.

  • RESTful API
  • API Development
  • Golang
  • Node.js
  • Python
  • Django
  • PHP
  • API Integration
  • TypeScript
  • SQL
  • Firebase
  • MongoDB
  • ChatGPT API
  • React
  • Full-Stack Development
Tharindu Niroshan M.

Kahawatta, Sri Lanka

$10/hr
5.0
13 jobs

Welcome to My Profile! Iโ€™m a passionate PHP/Vue.js | Inertia.js | MySQL Developer with over 1+ year of hands-on experience in crafting dynamic, interactive websites and web applications. I thrive on turning ideas into functional, user-friendly digital solutions that deliver real value. What I Bring to the Table: โœ…Front-End Development: Expertise in HTML, CSS, JavaScript, Bootstrap, jQuery, Vue.js, and React.js to create sleek, responsive, and intuitive interfaces. โœ…Back-End Development: Proficient in PHP, Laravel, SQL, MySQL, and MongoDB for building robust, scalable, and secure server-side systems. โœ…Tools & Technologies: Skilled in Git, GitHub, and RESTful API integrations to ensure seamless collaboration and efficient workflows. Why Work With Me? โœ… Timely Delivery: I respect deadlines and ensure projects are completed on time, every time. โœ… Client-Centric Approach: Your vision is my priority. I focus on understanding your needs and delivering tailored solutions. โœ… Collaborative Support: I believe in clear communication and teamwork to achieve the best results. Letโ€™s collaborate to bring your ideas to life! Feel free to reach out, and letโ€™s create something amazing together.

  • Full-Stack Development
  • PHP
  • Vue.js
  • Laravel
  • React
  • Bootstrap
  • PHPUnit
  • API Testing
  • Adobe Acrobat
  • Adobe Photoshop
  • JavaScript
  • Adobe Illustrator
  • Fillable Form
  • Adobe LiveCycle Designer
Chaminda G.

Galle, Sri Lanka

$25/hr
4.8
94 jobs

Hi, I am from Galle, Sri Lanka , an expert Java developer. I have 21+ years of experience working wit Java and web developments. I have specialized expertise in Service Oriented Architecture (SOA) and Sound with micro-service architecture. In my Upwork career, I have implemented several successful projects with web services. Also, i have done successful B2B integrations via different APIs like REST/SOAP/XML. Also, I have good knowledge and experience working Java, Multi-Threading, Concurrency...etc.I am sound with the Spring framework (Spring boot, Spring MVC + Thymeleaf, Spring Security, Spring Data JPA...etc), J2EE (Jakarta EE) , JMS , JPA, Hibernate, JFX ...etc. For more details, please visit my profile. I have a top-rated Upwork profile. Also, I have strong database knowledge and have worked with MySql , MSSQL, Postgres, Oracle...etc. I am sound with PHP, Pearl, Bash, Python, Lua, Javascript like scripting languages. Also, I have good experience with handling Windows/Linux operating systems.

  • RESTful API
  • API Development
  • API
  • AWS Lambda
  • Spring Boot
  • Amazon Web Services
  • Java
  • C#
  • Python
  • PHP
  • ASP.NET MVC
  • WSO2
  • Oracle GlassFish Server
  • Web Service
  • Linux System Administration
  • Core Java

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