Full Stack Developer berfokus pada arsitektur yang bersih, API yang andal, dan integrasi AI untuk solusi end-to-end yang scalable.
Backend Developer dengan 3+ tahun pengalaman membangun aplikasi web yang robust dan scalable. Ahli di Go (Golang) + Gin, dan Node.js (Express.js, NestJS) dengan fokus pada performa, security, dan clean code.
Juga mengembangkan mobile app dengan Flutter dan integrasi backend modern. Terbiasa merancang arsitektur server-side, RESTful API, serta database yang efisien.
Aktif mengeksplor AI (OpenAI/OCR), caching (Redis), serta CI/CD & containerization untuk meningkatkan reliability dan developer velocity.
INDES 2025 (UiTM Perak) — Silver Medal
HalalMate — Flutter + AI + OCR
INDES 2025 (UiTM Perak) — Bronze Medal
Goqu — Donation management system
Areas where I excel and bring the most value to projects
Scalable server architecture & microservices
Cross-platform Flutter applications
High-performance JavaScript runtime
Optimized data modeling & query performance
RESTful & GraphQL API design
Complex algorithmic thinking
Emica
Building database SQL & NoSQL systems, developing RESTful APIs and server-side logic using Node.js. Integrating third-party APIs to Android applications and creating frontend solutions with React + Vite.
HalalMate 🏆 Silver Medal INDES 2025
Developing mobile app using Flutter + Golang to help Muslim travelers find halal food. Backend uses ChromeDP for scraping Google Maps data, with OCR + OpenAI integration for reading food labels and detecting haram ingredients. Includes AI chatbot for halal food Q&A.
KeepUp
Developed REST API for mental health screening (Anxiety, Depression, Stress). Built admin APIs, quiz systems, and PDF + Excel report generation. Integrated OpenAI for automatic report generation using NestJS, PostgreSQL, Redis, and deployed on Railway.
SaveBite
Developed backend using Node.js + Express and designed database architecture. Created Android application using Jetpack Compose for modern UI/UX implementation.
Nasho
Developed REST API for Arabic language learning application. Implemented "lock material" system and progress tracking functionality using Express.js + PostgreSQL.
TEDXUII
Developed REST API for web-based ticketing system. Created APIs for products, orders, and admin management using Express.js, PostgreSQL, Redis, and deployed on VPS.
TikaTiko
Developed attendance tracking system for informatics lab assistants. Created Telegram bot UI with automated weekly reporting functionality.
FTI UII - Informatics Lab
Assisting students in courses: Algorithms, Programming Logic, Web-Based Applications, and ADF. Providing mentorship and technical guidance to fellow students.
Universitas Islam Indonesia
Currently pursuing Bachelor's degree in Informatics with GPA 3.96. Active member of Programming Study Club & Google Developer Student Club (GDSC).
Check out some of my works
Mobile app untuk rekomendasi makanan halal. Integrasi OCR + OpenAI untuk membaca label dan deteksi bahan, backend scraping ChromeDP, Flutter + Golang.
Mental health screening platform (Anxiety/Depression/Stress). NestJS + PostgreSQL + Redis, integrasi OpenAI, deploy Railway.
Ticketing & promo system untuk event UII. REST API, optimasi storage gambar, payment integration.
Aplikasi belajar bahasa Arab. Quiz, lock system, statistik; REST API sebagai backend layanan.
I'm currently available for new opportunities where I can contribute my development skills.
Have a project in mind or want to discuss opportunities? I'd love to hear from you.
+62 851 7436 9313
daffaraihan2004.work@gmail.com
Yogyakarta, Indonesia