🚀 Open for New Opportunities (Full-time & Freelance)

Hi, I'm
Umu Amanah N.

Senior Backend Engineer

Senior Backend Engineer with 7+ years of experience architecting scalable APIs, orchestrating microservices, and optimizing systems for high-performance applications across Fintech, OTT, and Logistics.

Work Experience

Backend Engineer

PT MD Entertainment Tbk Contract

September 2025 - Present

Stabilized the legacy Netverse system in one week for a critical demo. Spearheaded a complete OTT backend revamp using Golang microservices in just one month, improving response times by 60% and reducing costs. Successfully optimized the infrastructure for a strategic pivot to low-latency Live Streaming.

Backend Engineer

PT. Kabar Baik Teknologi Indonesia Freelance

February 2026 - Present

Engineered a custom Jira-like progress tracking system for machine maintenance, featuring secure customer approval workflows. Developed a comprehensive IAM service for RBAC and built an AI-powered Knowledge Management System (RAG) to streamline technical documentation retrieval.

Backend Engineer

Confidential Client (Distribution & Logistics) Project-Based

January 2026 - April 2026

Developed robust data synchronization pipelines using Golang, Apache NiFi, and RabbitMQ to integrate a DMS with Accurate for comprehensive operational data. Maintained critical SAP ERP integration pipelines to ensure continuous synchronization of logistics data.

Backend Engineer

PT Emtrade Teknologi Finansial Full-time

November 2021 - September 2025

Migrated a 100k+ user learning app to Golang microservices, refactoring the backend for faster response times. Delivered a chatbot that reduced support workload by 33%, enhanced auth to cut security breaches by 40%, and slashed developer onboarding time by 50% through comprehensive API documentation.

Backend Engineer

PT Baswara Aksa Teknologi Freelance

April 2022 - February 2025

Collaborated to build a mobile payment app for 16 BPRs. Introduced a Golang microservices architecture that accelerated the development process by 50%, and actively mentored internal engineers on the new codebase structure.

Backend Engineer

PT Mitraindo Consultancy Freelance

October 2021 - January 2025

Engineered a publicly accessible web platform using Python and PostgreSQL, expanding user reach by 50%. Enhanced the user experience by integrating comprehensive authentication methods, including SMS, WhatsApp, Email, and various social logins (Google, Facebook, Apple).

Backend Developer

PT Mitraindo Consultancy Full-time

June 2021 - October 2021

Developed travel and tourism mobile apps using Phalcon (PHP), MongoDB, and Flutter. Actively contributed to Agile development processes, consistently delivering features on time to help the team achieve a 95% project completion rate.

Junior Backend Engineer

PT Global Inovasi Ventura Full-time

February 2019 - June 2021

Developed the backend for an e-commerce platform using Phalcon, MongoDB, and Magento. Engineered a Python-based OCR system to automate invoice processing for 10+ vendors, significantly reducing manual data entry efforts.

Featured Projects

AI-Powered RAG Knowledge Base

Developed a custom web-based system integrating OpenAI and LangChain to create a Retrieval-Augmented Generation (RAG) chatbot for querying heavy machine maintenance guidelines.

PythonOpenAI APILangChainVector DB

Enterprise ERP Data Sync Pipeline

Built robust, scheduled data synchronization pipelines to seamlessly integrate a custom Distribution Management System (DMS) with Accurate accounting software. Concurrently maintained critical integration pipelines with SAP ERP, ensuring high-availability synchronization of complex logistics and financial data.

Golang (Hexagonal Architecture) Apache NiFi Dkron Redis RabbitMQ

Large-Scale Microservices Migration

Spearheaded the migration of a legacy monolithic system serving over 100,000 users to a scalable microservices architecture. Refactored the backend utilizing Golang and Kubernetes, which significantly reduced server response times and optimized database queries for a seamless user experience.

Golang PostgreSQL Redis RabbitMQ Kubernetes Docker

Get In Touch

Let's build something amazing together!

Whether you have a question, a project idea, or just want to say hi, my inbox is always open. I'll try my best to get back to you!