# Umar Hadi Siswanto — Senior Platform Engineer > Platform and infrastructure engineer who owns infrastructure and delivery decisions end-to-end — from cloud and serverless to bare metal — with a focus on cost, reliability, and operational simplicity. Hands-on by nature, pragmatic by choice: I believe good infrastructure should be boring to operate, cheap to run, and invisible to product teams. ## Overview Platform and infrastructure engineer who owns infrastructure and delivery decisions end-to-end — from cloud and serverless to bare metal — with a focus on cost, reliability, and operational simplicity. Hands-on by nature, pragmatic by choice: I believe good infrastructure should be boring to operate, cheap to run, and invisible to product teams. ## Contact - Email: hi@umarhadi.dev - Location: Special Region of Yogyakarta, Indonesia - GitHub: https://github.com/umarhadi - LinkedIn: https://www.linkedin.com/in/umarhadi/ - Website: https://umarhadi.dev ## Experience Senior Platform Engineer at Stealth AI Startup (Apr 2026 - Present) - Leading design and development of an AI agent platform for workflow automation across SaaS systems - Technologies: LLM, Agent Orchestration, AWS, Docker, CI/CD DevOps Engineer at Volantis Technology (Jan 2026 - Apr 2026) - Led operation and optimization of containerized infrastructure including delivery of AI systems into restricted government environments - Technologies: Kubernetes, Docker, CI/CD, Security Hardening - Projects: MinerbaOne (https://minerbaone.esdm.go.id) | Sophia (https://sophia.volantis.io) Senior DevOps Engineer at HRMLabs (Nov 2025 - Present) - Led company-wide infrastructure strategy, drove AWS to bare metal migration, significantly reducing recurring cloud costs - Technologies: Bare Metal, Linux, Prometheus, Grafana, GitHub Actions, Jenkins, Networking, Security Hardening DevOps Engineer at Paketur (Jun 2025 - Jan 2026) - Owned platform, infrastructure, and delivery pipelines across web, backend, and mobile products - Technologies: AWS, SST, GitHub Actions, Next.js, Laravel, PostgreSQL, pgvector, Docker, React Native, Expo, CloudWatch - Projects: paketur.com (https://paketur.com) Technical Director at Zenvoye (Mar 2025 - Present) - Founded and lead Zenvoye, a software house delivering end-to-end product development and platform engineering DevOps Engineer at PT. Altech Omega Andalan (Oct 2023 - Jan 2026) - Owned platform infrastructure for multiple high-traffic products across food & beverage, global marketplace, and e-commerce - Technologies: AWS, Docker, GitHub Actions, Jenkins, Ruby on Rails, React, React Native, SonarQube, DefectDojo, Linux - Projects: sweetescape.com (https://www.sweetescape.com/) | yaygroup.id (https://career.yaygroup.id/) | wagginton.com (https://www.wagginton.com/) DevOps/SRE at PT. Genial Digital Nusantara (May 2023 - May 2025) - Led platform optimization achieving ~70% performance improvement and ~50% infrastructure cost reduction - Technologies: AWS, Fly.io, Docker, Terraform, Prometheus, Grafana, GitHub Actions, Laravel - Projects: genilogi.id (https://genilogi.id/) ## Education Bachelor's Degree in Computer Science, Universitas Teknologi Yogyakarta (2018-2023) Vocational High School on Computer Network Engineering, SMK Negeri 4 Penajam Paser Utara (2014-2017) ## Certifications MikroTik Certified Network Associate (MTCNA), MikroTik (2019) ## Skills Infrastructure & DevOps: GNU/Linux, Docker, Kubernetes, Amazon Web Services (AWS), Google Cloud Platform (GCP), GitHub Actions, Jenkins, Prometheus, Grafana, Terraform Languages & Frameworks: JavaScript, TypeScript, Go, PHP, React/Next.js ## Notable Projects - Administrating Pixelfed: Self-hosted Pixelfed instance on Fly.io, managing server administration, federation setup, storage configuration, and ongoing maintenance for a decentralized photo-sharing community. - Administrating Mastodon: Self-hosted Mastodon instance on Fly.io, handling server administration, federation management, database maintenance, and infrastructure optimization for a decentralized social network. - Bank Server API: A simple bank service built with Go, gRPC, Docker, Kubernetes, and Postgres. - Spotify Canvas: Dynamically updated audio video canvas of recently played Spotify music, built with Svelte. ## MCP Server This site exposes an MCP (Model Context Protocol) server at /mcp for programmatic access to resume data. ## Full Resume For complete details including all experience, projects, and skills: - Online version: https://umarhadi.dev - Repository: https://github.com/umarhadi/cv