Backend engineer

MUF App

Vehicle financing & dealer platform

Backend for a multifinance vehicle-loan business: dealer management, BPKB collateral, loan installments, insurance, KYC identity checks, credit simulation, and payment/SSO integrations.

297K+ downloads · 269K+ registered users · 49K+ MAU · 4.87★ across 1,188 reviews

• Go
• PostgreSQL
• Redis
• MongoDB
• AWS S3
• Firebase FCM
• Docker

LeadSync

Lead management & CRM sync

Source-of-truth leads system for a financing ecosystem: lead capture, credit/tenor calculators, dealer catalogs, and event management, syncing into sibling platforms via Google Sheets.

• Go
• PostgreSQL
• MongoDB
• Verihubs
• Docker

Lajoe

E-commerce marketplace with bidding

Marketplace backend covering products, cart, orders, and vouchers, plus a bidding/auction feature, giveaways, and courier tracking integration.

• Go
• MySQL
• Redis
• MongoDB
• Docker
• Jenkins CI

i-Solutions

HR & talent microservices platform

Multi-service HR platform decomposed into an API gateway plus separate services for employer management, a talent/job marketplace, employee wellness, and scheduled jobs.

• Node.js
• Fastify
• Prisma
• MongoDB
• Docker

Lingkaran

E-learning platform with government integration

LMS platform (courses, mentors, learners, events) integrated with Indonesia's Prakerja pre-employment program, split across a Laravel CMS, an admin dashboard, an API gateway, and an LMS service.

• Nuxt.js
• Node.js
• Fastify
• Laravel
• MongoDB
• MySQL

Obserra

School & childcare IoT monitoring

Camera-feed monitoring system over MQTT for student attendance, pickup tracking, and parent linkage in an education-safety context.

• Go
• PostgreSQL
• MongoDB
• MQTT
• Docker

HydroTani

Hydroponic IoT backend · co-founded

Co-founded IoT + backend systems for 2 hydroponic farms, including 2 custom monitoring devices tracking nutrient levels, pH, and water temperature.

Cut manual monitoring time 30% · ~98% on-time project delivery

• Go
• GORM
• MQTT
• Docker