# Theo Park

Senior Software Engineer · Builder of indie AI tools · NYC

hello@theopark.dev · github.com/theopark · linkedin.com/in/theopark · @theopark

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## What I'm looking for

Senior IC role. AI / dev-infra focused. Remote or NYC (open to hybrid). Companies
shipping something I'd want to use myself. Bonus if there's room to do
content/teaching as ~20% of the job — I'm not stopping the YouTube channel.

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## Experience

### Sr. Software Engineer · Anthropic-adjacent stealth co.    2024 — present
- Building developer tools for agentic coding workflows.
- Owned the eval harness for a fine-tuned coding model. Reduced regressions by 41%.
- Shipped 3 internal tools and 1 OSS library (`pr-agent`, ~12k GH stars).

### Software Engineer · Stripe                                2021 — 2024
- Payments infra team. Owned the retry layer for a 9-figure-/day product line.
- Wrote the internal RFC on graceful degradation that's still policy two years later.
- Promoted to Senior in 18 months.

### Software Engineer · Early-stage startup (acquired)        2019 — 2021
- First engineer. Built the v1 of the product end-to-end (Rails + React).
- Stayed for the integration. Migrated 4 services to the acquirer's stack.

### Software Engineer · Bloomberg                             2017 — 2019
- New-grad rotation. Terminal/UI team. Shipped a P&L attribution widget used
  by ~6k users daily.

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## Skills

**Languages.** Python (10y) · TypeScript (8y) · Go (4y) · Rust (hobby)
**ML / AI.** LLMs, RAG, agentic workflows, evals, embeddings, fine-tuning,
prompt design
**Infra.** AWS (mostly), Postgres, Redis, Kafka, k8s (reluctantly), Docker
**Frontend.** React, Vite, Tailwind, the usual — I can do design-eng-shaped
work, not just "make the form submit"
**Tools I actually like.** Linear · Vim/Neovim · Raycast · Claude/ChatGPT for
rubber-ducking · pnpm · Postgres over everything

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## Side things that mostly pay rent

- **YouTube** — @theopark · 47k subs, mostly indie AI tutorials and end-to-end
  builds
- **Substack** — theopark.substack.com · 8.6k subs · technical longforms,
  one per fortnight
- **Ebook** — "Ship It: 30-Day Build System for Indie AI Apps" · ~11k
  downloads, free
- **OSS** — `tiny-gpt`, `pr-agent`, `substack-rag` (combined ~18k GH stars)

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## Education

**BS Computer Science** · University of Washington · 2017
- Capstone: distributed key-value store implementation
- TA'd CSE 451 (Operating Systems) for two quarters

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## What I'm probably not the right fit for

Big-company manager roles · Pure frontend specialist · Anything with "10x"
in the job title · Crypto · Surveillance ad tech

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The full story is on the YouTube channel and the ebook (also linked on
this page). Best way to reach me is email.