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I am an open-source systems engineer who turns ambiguous, cross-layer failures into shipped, reviewable fixes. I build developer tooling and coding-agent infrastructure, and I operate production systems where correctness, recovery, and observability are not optional.
My public work spans compiler/runtime behavior, Kubernetes policy validation, CLI execution safety, atomic storage, cloud integrations, package resolution, authentication, performance measurement, CI, and deployment reliability.
I enter unfamiliar systems, find the real failure boundary, build the regression proof, and stay with the change until it is useful upstream.
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A reliability layer for Codex OAuth in OpenCode: account routing, session controls, dashboard, and operational tooling.
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Makes coding-agent throughput observable with live streaming and final output-token measurements in the OpenCode TUI.
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Turns hidden agent state into immediate visual feedback through OpenCode's native theme system.
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What I bring to a difficult codebase
- Deep debugging across runtime, API, storage, infrastructure, and deployment boundaries
- Regression tests and compatibility guards that make risky fixes maintainable
- Production ownership: observability, safe migrations, CI, recovery, and release discipline
- Maintainer-grade follow-through from unclear issue to reviewed, shipped result
| Project | Merged contribution | Engineering area |
|---|---|---|
| Svelte | Preserve select selection with spread attributes | Compiler/runtime DOM behavior |
| Kong kongctl | Enforce saved declarative-plan execution modes | CLI execution safety and test coverage |
| NGINX Gateway Fabric | Detect conflicting route policies across overlapping hostnames | Kubernetes Gateway API validation |
| zarrs | Add an atomic write storage adapter | Rust storage concurrency and API design |
| MapLibre Martin | Restore AWS profile support for PMTiles | Cloud credentials and Rust integration |
| yay | Prefer repository replacements over matching AUR upgrades | Package resolution correctness |
Automatically refreshed from public GitHub data. Repositories are de-duplicated so one project cannot dominate the list.
- marton-balazs-kovacs/tenzing#110 - Reorder output actions and clarify URL loading (2026-09-02)
- aganesy/QFAI#507 - fix(validate,init): track and resolve TDD evidence anchors (2026-09-01)
- 777genius/claude-notifications-go#117 - fix(macos): avoid ambiguous Ghostty cwd tab focus (2026-08-30)
- Blightmud/Blightmud#1474 - Fix tab-aware output wrapping (2026-08-29)
- openchamber/openchamber#2314 - fix: keep GitHub settings mounted during refresh (2026-08-27)
- WordPress/presence-api#263 - test: cover cleanup without presence table (2026-08-24)
- OpenCode and Codex interoperability that remains reliable under real account and session pressure
- MCP gateways, authentication, state visibility, and coding-agent performance instrumentation
- Production-grade APIs, data systems, CI, deployment pipelines, and failure recovery
- Technically substantive upstream fixes across compilers, runtimes, CLIs, storage, and infrastructure
Metrics are generated from authenticated public GitHub data. Engineering claims and selected work remain hand-reviewed.