Backend, data & cloud engineer with 11+ years building production systems — currently Data Engineer at GoTo Financial (Gojek), ex-Traveloka. I work the full backend slice: API design, containers, deployment pipelines, and OpenTelemetry-based observability across GCP and AWS, with growing scope into data engineering and MLOps.

I co-organize PyCon Indonesia — previously the PythonID meetup in Jakarta (2016–2020) — and maintain open-source tooling used by developer communities.

💼 Open to backend/data/cloud engineering opportunities — remote or Jakarta-based.

• PythonID-bot — Telegram bot serving Indonesia's Python community (~24k developers). aiogram 3.31, APScheduler, 1,272 tests, CI across Python 3.11–3.15.
• telegateway — Reverse-proxy gateway for Telegram bots in Rust (Axum): webhook ingress, per-chat rate limiting, durable SQLite outbox delivery, OpenTelemetry observability. v0.1.0 on crates.io.
• tgnotify — Telegram notification CLI; cross-compiled binaries for Linux, macOS, and Windows.
• workspaces-sidebar — Pinned workspaces sidebar plugin for Tern (Stencil's Rust-native terminal), written in Luau.
• omp-model-profiles — Dynamic model profile switcher for Oh My Pi (OMP); swap agent model configs on the fly. TypeScript, Bun.
• laya-mlx-jev-endpoint — FastAPI endpoint exposing laya-mlx on Apple Silicon, mimicking the JEV / System-1 decision API.

⭐ Featured: I Refuse to Let the Loop Ship My Code — why I keep a human at the approval gate for AI-written code.

• Maintaining a Mastodon fork with StGit — Oct 07, 2026
• Hardening Caddy with Coraza WAF and Fail2ban (And Almost Breaking Mastodon) — Sep 12, 2026
• I Refuse to Let the Loop Ship My Code — Jul 17, 2026
• Giving pi a Memory: Wiring claude-mem Into the Coding Agent — Jul 13, 2026
• When Your Template Ships the Upgrade You Just Wrote — Jul 12, 2026

Latest merged PRs to projects outside my own.

• theblazehen/awesome-tern#20 — Add workspaces-sidebar (Oct 09, 2026)
• luqman-v1/9router-go#13 — fix(claude): support OAuth subscription connections end-to-end (Sep 18, 2026)

Languages & frameworks

Cloud & infrastructure

Observability & data

• Co-organizer — PyCon Indonesia
• Co-organizer — PythonID meetup (Jakarta, 2016–2020)
• Maintainer — PythonID-bot, Telegram bot for a ~24k-developer community

Sharpening Rust — most recently through telegateway (Axum, SQLite outbox, OpenTelemetry).

• 🌐 Blog: rezhajul.io
• ✉️ Email: contact@rezhajulio.id