Muhammad
Ilham

Backend Developer

PGL Esports

Developed and maintained backend microservices for Esportal, a high-traffic CS2 competitive gaming platform. Focused on low-latency match orchestration and scalable player statistics ingestion.

Middle Backend Engineer

AnyMind Group (Tokyo, Japan)

Led backend migration to Kotlin/Spring Boot for core logistics modules. Designed an event-driven order sync mechanism that reduced data inconsistency by 95% across e-commerce integrations.

Backend Engineer

Amartha (Jakarta, Indonesia)

Built core banking integrations and designed an event-driven portfolio service. Optimized API response times by 90% using Go concurrency patterns and Redis caching strategies.

Freelance Backend Engineer

EngageRocket (Singapore)

Migrated monolithic Ruby on Rails systems to Go microservices on AWS for better scalability and faster CI/CD pipelines.

Backend Engineer

KlikACC (Jakarta, Indonesia)

Developed loan systems and financial compliance modules, applying TDD and Clean Architecture with Go.

Multi-tenant commerce platform enabling merchants to launch branded online stores, manage orders, accept payments, and build direct customer relationships without relying on marketplaces.

Commercial website for a specialty coffee shop in Jimbaran, Bali — my first paid freelance project. Includes menu, gallery, and WhatsApp-based table reservations. Migrated from Vue to Next.js for SSR-based SEO and from Strapi to PayloadCMS for easier content management.