A Little Background

Go (Golang) Backend Engineer with 2+ years of experience designing and shipping production-grade backend systems across freelance, internship, and professional roles. Expertise includes Hexagonal Architecture, Clean Architecture, gRPC (Protobuf), Redis, RabbitMQ, Docker, and Kubernetes. Proven track record in REST API design, OpenAPI/Swagger documentation, unit testing, integration testing, and CI/CD automation via GitHub Actions. Proficient in AWS cloud infrastructure, load balancing, distributed tracing, observability, and monitoring (Prometheus, Grafana). Additional background in Cybersecurity (20+ web application penetration tests) and AI/ML orchestration (YOLO, LangChain, TensorFlow, FastAPI). ITS Informatics Engineering graduate and Ruang Guru Go Backend Engineering Bootcamp alumni.

Education

Github LinkedIn Twitter Resume

Experience

Where I've shipped Go backends, distributed systems, and the occasional security tool.

Dec 2025 – June 2026
PT. Century Batteries Indonesia (Astra Otoparts) — Software Engineer
Go Backend Engineer at an Astra manufacturing subsidiary. Engineered a Computer Vision Cover Part Number Smart Sorter (YOLO, ~99% mAP50) that cut per-tray inspection time by 70%, eliminated ~Rp100,000,000/year in manual labor costs, and reduced misidentification errors from ±5–10% to <1%. Refactored the PLT Line CV architecture from monolith to Edge-to-Cloud via gRPC, saving Rp24Jt in hardware (3 mini PCs eliminated). Architected an Enterprise LMS (Hexagonal Architecture, Redis caching, RabbitMQ) serving 600+ users with a 40% drop in response time. Built a Battery Request Management System (REST API + PostgreSQL) for centralised logistics, also at 600+ users. Also built a Go-based AI Orchestration Layer for a microservices Face Swap platform using gRPC and Goroutines/Channels to isolate Python FastAPI inference services.
Apr 2024 – Dec 2025
Volvinco — Backend & Infrastructure Engineer (Freelance)
Led Go backend development at a security-focused software agency across 3 products: Kos Kaka (property), Muncak Kuy (e-commerce), and Veritax (fintech RAG chatbot). Stack: Go, gRPC, Redis, RabbitMQ, Kafka — sustaining high availability for 1,000+ concurrent users. Designed REST APIs (OpenAPI/Swagger), kept >90% test coverage, and managed AWS + VPS infrastructure via GitHub Actions CI/CD — cutting deploy time by 60%. Won 1st Place at the FTIRS National Business Competition and secured ITS Youth Technopreneurship (IYT) funding.
Sept 2024 – Jan 2025
DPTSI ITS — Penetration Tester (Internship)
Web App and Network penetration testing across 20 of ITS's systems using Nmap, SQLMap, Metasploit, Hydra, Nessus, Nikto, Dirsearch, Burp Suite, and OWASP ZAP. Uncovered critical vulnerabilities: SQL Injection (database leak), Broken Access Control (admin escalation), and request tampering exploited for online gambling.
Aug 2023 – Dec 2023
PT. KYB Indonesia (Astra Otoparts) — Fullstack Developer (Internship)
Led development of KYB's Training Center Administration System (PHP, MySQL, AJAX, jQuery) following Agile SDLC. Migrated legacy Excel records to a centralised SQL database on the internal network — cutting data loss risk by 80% and improving efficiency by 60% for 200+ employees.
2022
StudentsXCEOs League 2022 — Backend Engineer
Led backend development with Node.js and MongoDB (Mongoose). Built event registration, JWT auth, and RBAC (admin/user) with full validation and error handling. Integrated REST APIs via Axios on the React frontend.
2021
Schematics ITS 2021 — Frontend Engineer
Built NPC Registration and REEVA Ticket Purchase flows with React, Next.js, and Tailwind CSS. Implemented landing pages, sponsor integrations, and a 3D virtual tour alongside three mentors and a fellow engineer.