Hello, I'm

Reinaldi Mohamad Yusup

Senior Software Engineer

Bandung, Indonesia · Remote @ Zero Gravity, UK

Get in Touch View CV GitHub

About Me

Senior Software Engineer with 10+ years of experience building high-performance distributed systems across fintech, healthcare, and e-commerce. Experienced in Go and Ruby on Rails, with a strong background in microservices, event-driven systems using Kafka, and cloud infrastructure on AWS and GCP.

Currently at Zero Gravity (UK), building AI-powered products and Anthropic SDK agents that help students navigate university and career journeys.

Previously Technical Lead at Biomark (Singapore), leading a monolith-to-microservices migration using Go, TypeScript, and Kafka, implementing ISO 27001 compliance, and setting up Prometheus and Grafana observability.

When I'm not coding, you'll find me caring for my feathered and aquatic friends. I'm passionate about birds, fish, and turtles - they remind me that even the most complex ecosystems thrive on simplicity and balance.
🐦 🐟 🐢
0 Years Experience
0 Companies
0 Countries Served
0 Day Rapid Delivery

Experience

Mar 2025 - Present

Zero Gravity, UK (Remote)

Senior Full Stack Engineer

  • Built application tracking system using Rails and Hotwire, increasing active usage by 70%
  • Built AI agents using Anthropic SDK for UI generation, automated QA testing, and planning workflows
  • Integrated AI-powered video transcript generation for enhanced accessibility
  • Designed CV generator and download feature for tailored CV exports
  • Improved job recommendation accuracy by 80% with refined matching logic
  • Integrated Google, Microsoft, and Apple SSO authentication
  • Implemented AI Wingman for contextual suggestions across the platform
Ruby on Rails Hotwire Anthropic SDK AI Agents OAuth
May 2021 - Feb 2025

Biomark, Singapore (Remote)

Backend Engineer, promoted to Technical Lead

  • Delivered production healthcare app in 9 days with 90% accuracy
  • Led monolith-to-microservices migration using Go, TypeScript, and Apache Kafka
  • Implemented ISO 27001 controls across patient data systems
  • Set up Prometheus and Grafana for real-time observability and alerting
  • Promoted to Tech Lead managing cross-functional team
  • Reduced API response times by 200ms+ through restructuring
  • Implemented Elasticsearch: search from ~5s to under 1s
  • Reduced AWS costs by 30% with zero-downtime deployments
Go Kafka ISO 27001 Prometheus Grafana Ruby on Rails AWS
Sep 2020 - Apr 2021

Gardeneur, San Jose, CA (Remote)

Backend Software Engineer

  • Led monolith to microservices migration, 40% performance improvement
  • Implemented Elasticsearch, cutting search times by 50%
  • Architected end-to-end payment orchestration and transaction processing using Stripe, reducing checkout time by 30%
Microservices Stripe Elasticsearch
Mar 2018 - Aug 2020

Forstok.com, Jakarta

Senior Software Engineer

  • Improved backend query performance by 50%
  • Developed Go-based microservices using goroutines and channels for high-throughput data flows
  • Built Excel sync tool saving 30 hours/month of manual work
  • Migrated monolith to microservices using Go for scalability
  • Integrated Shopee, Tokopedia, Lazada, Bukalapak APIs
Go Microservices API Integration
Sep 2016 - Feb 2018

Jualo.com, Jakarta

Full Stack Developer

  • Developed re-commerce features and resolved critical bugs
  • Built end-to-end payment processing and card transaction microservices for high-volume e-commerce
  • Migrated search to Elasticsearch, 50% faster response
Rails Elasticsearch Payments
Nov 2015 - Aug 2016

Karir.com, Jakarta

Rails Developer

  • Built and maintained job portal with 5,000+ daily active users
  • Optimized database queries for faster page loads
Rails AWS Terraform

Skills

Languages

Go Ruby TypeScript JavaScript Python

Frameworks

Ruby on Rails Node.js Hotwire / Turbo React

Databases & Search

PostgreSQL MySQL Redis Elasticsearch OpenSearch

Messaging & Streaming

Apache Kafka Event-Driven Architecture

DevOps & Infrastructure

AWS Kubernetes Docker Terraform GCP CI/CD API Gateway

Observability

Prometheus Grafana

Compliance & Security

ISO 27001 OAuth (Google, Microsoft, Apple)

AI & Developer Tools

Anthropic SDK Claude Code Cursor OpenClaw

Key Achievements

⚡

Rapid Healthcare Delivery

Built and deployed a production-grade patient data and lab management application in 9 days, covering planning, development, deployment, and testing.

9 days · 90% accuracy
🤖

AI-Powered Platform Features

Implemented AI Wingman for contextual suggestions, AI-powered video transcripts, and intelligent recommendation systems improving accuracy by 80%.

80% improved accuracy
🌐

Multi-Channel E-commerce

Integrated Shopee, Tokopedia, Lazada, and Bukalapak APIs to automate product listings across multiple marketplace platforms.

4 marketplace APIs
🔍

Search Performance

Implemented Elasticsearch across multiple projects, consistently reducing search latency from seconds to sub-second response times.

~5s → <1s latency
☁

Infrastructure Optimization

Reduced AWS costs by 30% through optimization and zero-downtime deployment strategies while improving system reliability.

30% cost reduction
🏗

Microservices Architecture

Led multiple monolith-to-microservices migrations, improving system performance by up to 40% and enabling independent scaling.

40% performance gain

Let's Connect

I'm always open to discussing new opportunities, interesting projects, or just having a chat about tech and animals.

Email
aldi.reinaldi.muhamad@gmail.com
GitHub
alldiezzz
Phone
+62 896-5523-8972