Work
End-to-end systems spanning backend infrastructure, mobile apps, and developer tools. Each built to solve a real problem.
Rule-based release go / no-go on every PR
LLM-powered API regression testing platform. Uses the Claude API to generate adversarial test scenarios, runs spike/soak/stress load profiles, and a GitPython diff engine classifies breaking changes across 6 impact tiers — covered by 560 pytest tests.
Python · FastAPI · Claude API · PostgreSQL · React · WebSocket
99.7% success · 45ms p95 · at-least-once delivery
Event-driven webhook delivery service in async Python/FastAPI processing ~1,200 events/sec via Redis-queued Celery workers, with jittered exponential backoff and idempotency keys for at-least-once delivery. Prometheus-instrumented success rate, queue depth, and p95 latency; PostgreSQL-backed delivery state.
Python · FastAPI · Celery · Redis · PostgreSQL · Prometheus
Sub-10ms BM25 search · 4,300 files/sec indexing
Parallel C++17 code search engine indexing ~4,300 files/sec into a SQLite WAL database via std::thread workers, batched writes, and a std::filesystem file walker. Serves Okapi BM25 full-text search and trigram fuzzy filename matching at sub-10ms latency. CI on GCC, Clang, and MSVC.
C++17 · SQLite · CMake · BM25 · Multithreading · React
Auth, subscriptions, and career-site scraping end-to-end
Full-stack job-tracking platform: Go + Gorilla Mux backend, React frontend, JWT auth with email-OTP password reset, and per-user company subscriptions that scrape career sites for new-grad SWE listings.
Go · React · PostgreSQL · JWT · Cypress · Docker
Actor-model concurrency + rate limiting in pure Go
Concurrent Go backend with in-memory state — sync.Map registries, per-entity RWMutex, actor-style Receive() dispatcher, token-bucket rate limiting, atomic counters with CAS, and a live /metrics endpoint.
Go · Actor Model · sync.Map · Token Bucket · REST
Hot-reloadable rules over native WebSockets
Real-time chatbot with hot-reloadable JSON rule evaluation, native WebSocket messaging, and containerized deployment.
React · TypeScript · Node.js · WebSockets · Docker
Offline-first Android, no telemetry
Privacy-focused Android habit tracker with streak tracking, smart reminders, and offline-first architecture using Material 3.
Kotlin · Jetpack Compose · Room · Hilt · Android
Signed R2 uploads + role-gated reader, all free-tier
Mobile-first manga reader SPA on Vercel with Cloudflare R2 image hosting. Secure signed-URL admin uploads, role-gated routes, lazy-loaded chapter pages, and bookmark/history persistence — all on free-tier infra.
React · TypeScript · Tailwind · Vite · Vercel · Cloudflare R2
20-week roadmap with offline sync, auth, and RLS
Next.js 14 study tracker for the JLPT N5 Japanese exam. 1,400+ tasks across a 20-week roadmap, Supabase auth with Row-Level Security, an offline sync queue, and Recharts progress analytics.
Next.js 14 · TypeScript · Supabase · Zustand · Recharts · Tailwind