Experience
Zero Gravity
Mar 2025 – Present
Product Engineer (previously Senior Full Stack Engineer) · United Kingdom (Remote)
- Developing career assessment features to help users explore career paths.
- Connecting the core platform with internal applications through a shared gateway, enabling existing functionality from both applications to be reused through a single entry point.
- Built a university and job application tracker with Ruby on Rails and Hotwire, increasing active product usage by 70%.
- Improved job recommendation accuracy by 80% through refined matching logic and behavioral data; enhanced mentor matching.
- Delivered AI video transcripts, a tailored CV generator, and contextual guidance through the AI Wingman feature.
- Integrated Google, Microsoft, and Apple single sign-on to simplify authentication.
- Built Anthropic SDK agents for UI generation, automated QA, and planning workflows.
Biomark
May 2021 – Feb 2025
Backend Engineer, promoted to Technical Lead · Singapore (Remote)
- Delivered a production patient data and lab management system in 9 days, from planning and development through testing and deployment.
- Promoted from Backend Engineer to Technical Lead; led backend, frontend, and QA delivery for doctor portals, lab dashboards, and hospital integrations.
- Worked on migrating the legacy application to a new NestJS application, using TypeScript and Apache Kafka to unify doctor and lab platforms.
- Improved CI/CD pipelines supporting application delivery and deployment.
- Reduced critical API response times by 200ms+ and search latency from approximately 5 seconds to under 1 second with Elasticsearch.
- Reduced AWS infrastructure costs by 30%; implemented ISO 27001 controls and Prometheus/Grafana monitoring.
- Introduced AI-driven patient recommendations, increasing user engagement by 25%.
Gardeneur
Sep 2020 – Apr 2021
Backend Software Engineer · San Jose, CA (Remote)
- Led a monolith-to-microservices migration, improving system performance by 40%.
- Cut search response times by 50% with Elasticsearch and checkout time by 30% with Stripe payment flows.
- Optimized inventory, order, and shipping workflows, contributing to a 10% revenue increase.
Forstok.com
Mar 2018 – Aug 2020
Senior Software Engineer · Jakarta
- Improved backend query performance by 50% and built an Excel data synchronization tool that saved 30 hours of manual work per month.
- Developed Go microservices for the monolith migration, using goroutines and channels for concurrent data processing.
- Integrated Shopee, Tokopedia, Lazada, and Bukalapak APIs to automate multichannel product listings.
Jualo.com
Sep 2016 – Feb 2018
Full Stack Developer · Jakarta
- Developed re-commerce features and payment processing microservices.
- Migrated search to Elasticsearch, reducing response times by 50%.
Karir.com
Nov 2015 – Aug 2016
Rails Developer · Jakarta
- Built and maintained a job portal serving 5,000+ daily active users; optimized database queries to reduce page load times.
- Managed AWS infrastructure and Terraform deployments.
Tri Saudara Sentosa Industry
Apr 2015 – Oct 2015
Rails Developer · Bekasi
- Translated stakeholder requirements into an internal ERP system using Ruby on Rails.
Arthajina Mandala Nusantara
May 2014 – Mar 2015
.NET Developer · Bandung
- Built .NET business automation systems and reduced ERP operational errors by 20% through automated validation.
Personal Projects
Family Protector
Apr 2026
Android App · Kotlin, Jetpack Compose, Firebase
- Built an Android family safety app with remote device locking, screen time monitoring, and real-time messaging using Kotlin and Jetpack Compose.
- Used Clean Architecture, Hilt, and coroutines; integrated Firebase authentication, data sync, storage, and push notifications.
- Shipped a signed Android App Bundle to Google Play with Firestore rules enforcing parent-child data isolation.