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dalhaqq/README.md

Hey, I'm Abdalhaqq 👋

Backend Developer · Node.js · PHP · Go · PostgreSQL

I build production-grade APIs and web applications. Over the past 3 years, I've shipped systems that serve 20,000+ users — from live commerce platforms and marketplace integrations to recommender systems and enterprise dashboards.

What I build

  • REST APIs & Microservices — Node.js (Express/Fastify), PHP (Laravel), Go
  • Database systems — PostgreSQL with vector search, query optimization, complex relational schemas
  • Integrations — Shopee & TikTok livestream APIs, S3-compatible storage, WhatsApp API, ERP systems (Odoo)
  • Real-time & background jobs — WebSocket, queue workers, scheduled tasks

Tech stack

Backend     Node.js · PHP (Laravel) · Go · Python
Database    PostgreSQL · MySQL · Redis
Tools       Docker · REST · Git · Jest
Cloud       VPS deployment · S3-compatible storage

Selected projects

Project Stack What it does
photo-ai Python · FastAPI · CLIP · FAISS Fully offline AI photo management with semantic search, face recognition, and smart albums
course-compass Next.js · TypeScript · PostgreSQL · pgvector Udemy course recommender using hybrid Reciprocal Rank Fusion (semantic + full-text search) — undergraduate thesis project
Siglive (Paragon) Node.js · PostgreSQL · Sequelize Live commerce management for 13+ brands across TikTok & Shopee — host attendance, monitoring, Shopee API integration
Machine Monitoring Dashboard Node.js · PostgreSQL Real-time operator/executive/technician dashboards for manufacturing
Printing Service System Go · PostgreSQL Order and inventory management system
Meditation App Backend PHP · PostgreSQL REST API with user progress tracking and S3 content storage

Most client work is private. Reach out for case studies and code samples.

Let's work together

I'm open to backend freelance projects — API development, system integrations, performance optimization.

📧 LinkedIn · 📍 Indonesia (Jakarta) · 🌐 Available remotely

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  1. photo-ai photo-ai Public

    Fully offline AI photo management — semantic search, face recognition, auto captions, and smart albums. Built with FastAPI, CLIP, BLIP, and FAISS.

    Python

  2. seminar-ta seminar-ta Public

    Slide presentasi skripsi — Sistem Rekomendasi Kursus menggunakan Keyword Search + Semantic Search (Slidev)

    2

  3. absensi absensi Public

    Web-based attendance management system built with CodeIgniter 4 and MySQL

    PHP

  4. course-compass course-compass Public

    Udemy course recommender using hybrid Reciprocal Rank Fusion — semantic search + full-text search, built with Next.js and PostgreSQL

    TypeScript

  5. roadmap-scraper roadmap-scraper Public

    Scraper for roadmap.sh — extracts skill trees for use in course-compass recommender system

    HTML