Hire the Best Backend Rest API Freelancers
in Indonesia

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

Ubud, Indonesia

$25/hr
5.0
36 jobs

๐Ÿ”น Python Backend Developer | FastAPI | Django | Web Scraping | API Integrations | Databases ๐Ÿš€ Open to Work | Ready for New Challenges ๐Ÿš€ I am an experienced Python Backend Developer with a strong background in building high-performance web applications, automation tools, and API integrations. I specialize in: โœ… Web Frameworks: FastAPI, Django, Flask, DRF โœ… Databases: MySQL, PostgreSQL, MongoDB (SQLAlchemy, SQLModel, async queries). โœ… Strong expertise in OpenSearch โ€” from vector search to deep query tuning with advanced queries and aggregations (nested, reverse_nested, custom script_score scoring). โœ… Web Scraping & Automation: BeautifulSoup, Selenium, Async scraping โœ… API Development & Integration: REST, OAuth, Google APIs (Drive, Sheets, Gmail, Gemini AI), Firebase โœ… Asynchronous Programming: httpx, aiomysql, asyncpg, asyncio, multiprocessing โœ… DevOps & Containers: Docker, Ubuntu server management โœ… System Design & Architecture: Scalable and optimized backend solutions ๐Ÿ“ฉ Letโ€™s discuss your project!

  • RESTful API
  • Python
  • GitHub
  • PostgreSQL
  • Web Scraping
  • Linux
  • Git
  • Telegram API
  • MongoDB
  • Django
  • FastAPI
  • Generative AI
  • Docker
  • Server
  • AI Agent Development
Kezia Regina Putri Tanaga K.

Semarang, Indonesia

$25/hr
5.0
32 jobs

Top-rated full stack developer with 100% Job Success and $20k+ earned on Upwork. I help businesses build, improve, and maintain Laravel web applications, Vue.js / React frontends, and API-driven systems. Common projects I handle: โœ” Laravel backend development and feature updates โœ” Vue.js and React frontend development โœ” REST API integrations and third-party services โœ” SaaS platforms and custom web applications โœ” Dashboards, admin panels, and internal tools โœ” Bug fixing, performance improvements, and maintenance โœ” Database design and scalable backend workflows Why clients hire me: โœ” Strong frontend + backend execution โœ” Clean communication and dependable delivery โœ” Fast onboarding into existing projects โœ” Practical solutions focused on business results Need a developer who can handle both frontend and backend without hand-holding? Send me the project details.

  • REST API
  • Laravel
  • PHP
  • Vue.js
  • React
  • API Integration
  • Web Development
  • MySQL
  • JavaScript
  • SaaS
  • Database Design
  • Next.js
  • TypeScript
  • Tailwind CSS
  • SaaS Development
Gusti R.

Puruk Cahu, Indonesia

$12/hr
5.0
4 jobs

I help startups and small businesses build reliable Flutter mobile apps from idea to launch. I specialize in MVP development, API integration, clean app architecture, authentication, dashboards, payment integration, and backend-connected mobile apps. Recently, I helped deliver an iOS and Android application on Upwork, with 5-star client feedback for being responsive, positive, and motivated to deliver results. What I can help with: โ€ข Flutter iOS & Android app development โ€ข MVP development for startups โ€ข Firebase / Supabase integration โ€ข REST API integration โ€ข Payment gateway integration โ€ข Bug fixing, UI improvement, and app refactoring If you need a mobile app developer who can communicate clearly and turn your idea into a working product, Iโ€™d be happy to help.

  • RESTful API
  • API
  • JavaScript
  • React
  • MongoDB
  • HTML
  • Node.js
  • ExpressJS
  • CSS
  • Flutter
  • Mobile App Development
  • iOS Development
  • Android App Development
  • Supabase
  • Graph
  • GraphQL
  • Clean Architecture
Cahyo S.

Semarang, Indonesia

$20/hr
5.0
28 jobs

I help startups and businesses build scalable SaaS platforms, CRM/ERP systems, AI-integrated applications, and custom web platforms using Laravel, Next.js, React, and modern cloud infrastructure. With 7+ years of experience as a full-stack developer, Iโ€™ve worked on 200+ projects ranging from SaaS MVPs and dashboards to enterprise systems, GIS/mapping platforms, and API-heavy applications. I donโ€™t just build features, I help clients think through: - system architecture - database design - application workflows - API integrations - scalability - deployment strategy - product development planning My focus is building maintainable and scalable applications that are ready for real business operations. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” What I can help you build: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โœ… SaaS Applications โœ… CRM & ERP Platforms โœ… AI-integrated Applications โœ… Admin Panels & Dashboards โœ… GIS & Mapping Platforms (MapLibre, Mapbox, OpenLayers) โœ… API Integrations โœ… Marketplace & eCommerce Systems โœ… Payment Gateway Integrations โœ… Multi-tenant Applications โœ… Real-time Applications โœ… Internal Business Tools โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Tech Stack: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Backend: - Laravel - PHP - REST API - PostgreSQL - MySQL Frontend: - React.js - Next.js - Vue.js - Nuxt.js - Tailwind CSS GIS & Maps: - MapLibre - Mapbox - OpenLayers - PMTiles AI & Automation: - OpenAI API - Claude AI - AI Workflow Integration Deployment: - AWS - Docker - Vercel - Coolify - Linux Server โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Why clients work with me: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โœ” Strong communication โœ” Business-oriented thinking โœ” Clean and scalable architecture โœ” Fast problem solving โœ” Able to work independently โœ” Experience building products from scratch โœ” Long-term technical partner mindset If you need a developer who can contribute not only to coding, but also to product thinking, architecture, and scalable system planning. Letโ€™s discuss your project.

  • RESTful API
  • Laravel
  • React
  • Next.js
  • SaaS Development
  • AI Agent Development
  • Full-Stack Development
  • JavaScript
  • PHP
  • PostgreSQL
  • API Integration
  • Amazon Web Services
  • Payment Gateway Integration
  • Web Application Development
  • AI Code Generator
  • Tailwind CSS
  • OpenAI API
  • Database Design
  • Agile Software Development
  • Software Development
I Nyoman Martin A.

Bekasi Timur, Indonesia

$15/hr
5.0
36 jobs

๐Ÿš€ Laravel Developer | 8+ Years | Top 10% Upwork | 100% Job Success Rate | 20+ Job completed Iโ€™ve been working in the tech industry since 2011, primarily focusing on backend development with PHP and Laravel. Currently, I specialize in building and managing API systems that power web and mobile applications. Iโ€™m passionate about clean, maintainable code that other developers can easily work with. I follow PSR standards and always strive to write code thatโ€™s both scalable and efficient. Core Competencies: โ— Backend: Laravel Stack โ— Frontend: Vue.js โ— Security: Passport, JWT โ— Database: MySQL, MongoDB โ— Version Control: GitHub Flow (Branching, Pull Requests) โ— Caching: Redis โ— Testing: PHPUnit, PestPHP โ— Server: Apache, Nginx, Linux โ— Others: JavaScript, jQuery, Bootstrap, ElasticSearch, Facebook API, Google API, Laravel Backpack, Laravel Nova, Laravel Filament โ— AI Tools: Trae AI, ChatGPT API Integrations Iโ€™ve Implemented: โ— Stripe, Xendit, Shopify App Payment โ— Xero (Invoice, Account, Bank Transactions, Contacts) โ— GrabFood, Gojek Gosend, Square POS, Lightspeed HQ โ— Twilio WhatsApp API โ— Shipper, JNE, Iluma.ai Iโ€™m always learning and improving my craft through Laracasts and open-source projects. If youโ€™re looking for a reliable Laravel/PHP developer to build or maintain your API and backend systems, feel free to reach out โ€” Iโ€™d love to help. Laravel Developer, Laravel, Laravel Programmer, API Integration, PHP Developer, PHP Programmer

  • RESTful Architecture
  • API
  • API Development
  • MySQL
  • PHP
  • JavaScript
  • HTML
  • SQLite
  • GitHub
  • Scrum
  • Laravel
  • Git
  • Database
  • Bootstrap
  • Stripe API
Renova R.

Karawang, Indonesia

$30/hr
5.0
44 jobs

I have worked as a professional Web Developer for over 5+ years and now working full time as a freelancer. My main specialization is a Full Stack development of rich web apps based on JavaScript stack of technologies. My passion for design & technology turned into providing professional, attractive, user-friendly, and SEO-friendly web solutions that integrate a successful marketing strategy. These are the skills I have: โœ… React.js, Redux, Hook โœ… Next.js, Gatsby.js, Remix, Laravel โœ… Tailwind CSS, Sass, Charka UI, Material UI, Ant Design โœ… HTML, CSS, JavaScript, TypeScript, PHP โœ… Node JS (Express.js), Firebase, Supabase, NestJs โœ… Integration of third-party Rest API โœ… Database (MongoDB, MySQL, PostgreSQL) โœ… Git (Github, Gitlab, Bitbucket) โœ… SEO (JSON-LD, Schema Markup, Meta Tags) โœ… Nginx, Vercel, Netlify, Heroku, DigitalOcean, AWS โœ… PHP (Laravel) โœ… Google Analytics, Search Console โœ… Routeros (Mikrotik)

  • GitHub
  • Tailwind CSS
  • Responsive Design
  • Node.js
  • HTML
  • JavaScript
  • React
  • CSS
  • NGINX
  • TypeScript
  • Next.js
  • ExpressJS
  • Git
  • Web Application
  • Redux

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