Hire the Best Nest.js Freelancers
in Indonesia

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: • Flutter iOS & Android app development • MVP development for startups • Firebase / Supabase integration • REST API integration • Payment gateway integration • 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, I’d be happy to help.

Senior Backend Engineer | Node.js • NestJS • TypeScript I am a Senior Backend Engineer with over 6 years of experience building, scaling, and operating production systems across Fintech, E-commerce, and EdTech. I specialize in transforming complex business requirements into high-performance microservice architectures. 🚀 My Expertise Includes: - Architectural Leadership: Led the migration of a monolith to a 19-service microservices ecosystem. - Performance Engineering: Optimized queries and backend logic to reduce API latency by 90% (from 1s to 50-100ms). - Financial Systems: Engineered coin exchange services and VIP staking features for blockchain-based products. - Integration & Scaling: Proven track record of integrating complex 3rd party gateways (Xendit, SendGrid, Twilio) and banking partners. - Infrastructure & DevOps: Orchestrating deployments on Kubernetes (GKE), AWS, and Docker with zero-downtime strategies. 🛠 Technical Stack: - Languages: TypeScript, Node.js, Go, PHP. - Frameworks: NestJS (Expert), Express.js, Laravel, Echo. - Databases: PostgreSQL, MySQL, MongoDB, Redis. - Messaging: Kafka, RabbitMQ, gRPC, Event-Driven Architectures. 📊 Notable Achievements: - Reduced payment processing time by 75% for a major payment gateway. - Spearheaded the backend migration from AWS Amplify to a scalable NestJS architecture for a US-based AI platform. - Built a hotel management aggregator (Govesta) from the ground up, including full ERD design and system architecture. I thrive in remote, high-ownership environments and am committed to delivering clean, maintainable code that aligns with long-term business goals. Let’s build scalable solutions that help your business thrive!

My name is Kemal Pasha, a graduate of Informatics Engineering (Bachelor’s Degree). I am a Fullstack Developer with a strong focus on Backend Development, AI Engineer and DevOps. I have extensive experience building web-based applications both individually and in teams, using Node.js, NestJS, Nuxt.js, along with integrations such as Prisma, SQL, GraphQL, Redis, and state management tools like Pinia. In addition, I am highly skilled in Cloud Computing with AWS and Google Cloud Platform (GCP), including application deployment, system integration, and machine learning modeling with TensorFlow. 💼 Professional Experience Frontend Developer at a Geographic Information System (GIS)-based company with key responsibilities including: Deployment of cloud-based projects Managing and optimizing GeoJSON/Metatiles data Website performance optimization Development of radar systems, pitching designs, and data visualization using map vector/raster/geojson Freelancer working on various technology projects to broaden expertise beyond frontend development, while maintaining up-to-date knowledge of emerging technologies. 📚 Education & Programs Bangkit Academy 2024 Batch 1 – An international program organized by Google, GoTo, and Traveloka under the Merdeka Campus Initiative. Role: Backend Developer & AI integration for mobile applications Project: Fish Species Detection using TensorFlow Lite (Transfer Learning) Undergraduate Thesis: Developed a prototype of an Intelligent Traffic Management System using a Mask R-CNN pretrained model, published as a scientific paper in Sinta 2 Journal. 🤖 Interests & Research Passionate about Artificial Intelligence, especially Deep Learning (CNN) and Image Processing, with projects including: Waste classification Vehicle type recognition Traffic regulation based on vehicle volume Cancer detection (research-based project) Fish recognition using TensorFlow Lite 🚀 Highlighted Projects Weather Super App (on hold) → Real-time weather data integration with map vector/raster/geojson Radar & GIS-based Data Visualization E-Commerce, Banking System, E-School Management Image & Audio Compression System AI-based Image Recognition for Empowerment 🛠️ Core Skills Backend Development → Node.js, NestJS, Prisma, SQL, GraphQL, Redis Frontend Development → Vue, Nuxt, Maplibre/Leaflet, Pinia, Vuex Cloud & DevOps → AWS, GCP, CI/CD, Deployment AI & Machine Learning → TensorFlow, TensorFlow Lite, CNN, Transfer Learning GIS & Data Visualization → Map Vector/Raster, GeoJSON, Metatiles Collaboration & Project Management → Strong teamwork, time management, and experience delivering projects under tight deadlines

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: ✅ React.js, Redux, Hook ✅ Next.js, Gatsby.js, Remix, Laravel ✅ Tailwind CSS, Sass, Charka UI, Material UI, Ant Design ✅ HTML, CSS, JavaScript, TypeScript, PHP ✅ Node JS (Express.js), Firebase, Supabase, NestJs ✅ Integration of third-party Rest API ✅ Database (MongoDB, MySQL, PostgreSQL) ✅ Git (Github, Gitlab, Bitbucket) ✅ SEO (JSON-LD, Schema Markup, Meta Tags) ✅ Nginx, Vercel, Netlify, Heroku, DigitalOcean, AWS ✅ PHP (Laravel) ✅ Google Analytics, Search Console ✅ Routeros (Mikrotik)

👋 Hi, I’m Vicky, a full-stack developer with 4+ years of professional experience building modern web applications using React, Vue, Next.js, and NestJS with 22,000+ active users. I've worked with clients across multiple countries, including the US, UK, and Malaysia, delivering solutions that meet international standards. I help startups and businesses build fast, scalable, and maintainable web systems, from responsive frontend interfaces to well-structured backend APIs. My focus is on writing clean code, building scalable architectures, and delivering reliable solutions that support long-term product growth. What I Focus On Modern web applications should not only look good but also be fast, structured, and easy to scale. I focus on building systems that are maintainable, efficient, and ready to grow with your product. What I Can Help You With — 4+ years experience in software development — Custom web application development — Admin dashboards with authentication & role management — REST API development with NestJS — Frontend development using React, Vue & Next.js — Backend architecture and database design — API integration & system refactoring Technical Expertise Frontend: React, Next.js, Vue, TypeScript, Redux, Zustand, Tailwind CSS, Shadcn UI Backend: NestJS, Express.js, Node.js, Convex Database: PostgreSQL, MySQL, MongoDB, Firebase, Supabase Cloud & Tools: AWS (EC2, ECR, S3, Lambda), GCP (Cloud Run, Cloud Functions, Cloud Build), CI/CD, Git Why Work With Me — Clean, maintainable, and scalable code — Strong frontend and backend expertise — Clear communication and reliable delivery — International client experience Feel free to reach out if you’d like to discuss your project. I’d be happy to help build the right solution for your product.

Backend Developer Specialist Expert with Node js with 5+ years of professional experience in industry, with special expertise below: Language: Nodejs Framework: Featherjs, SailsJs, Loopback, ExpressJS, NestJs, hapijs, fastify, angular, react, electron Design Pattern: MVC, OOP, Methodology: Agile, Scrum, JIRA, Gitflow Tools: Bitbucket, Gitlab, github. Database: mongodb, postgre, mysql, redis, elastic