# Alexa Amundson

**Backend Engineer**

amundsonalexa@gmail.com | [github.com/blackboxprogramming](https://github.com/blackboxprogramming)

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## Summary

Backend engineer with 7.2M lines of code across 1,603 repos, operating 11 PostgreSQL databases, 230 SQLite databases, 14 Docker services, and multiple API backends (FastAPI, Node.js) serving 48+ domains through Nginx reverse proxy.

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## Experience

### BlackRoad OS | Founder & Backend Lead | 2025–Present

**API Development**
- CECE API (FastAPI): Custom AI model interaction with streaming responses
- TTS API: Text-to-speech generation service
- Lucidia API (FastAPI): Application backend with Clerk auth integration
- Image generation API: 4 backend agents (DALL-E, Flux, SDXL, Together)
- Code search API: FTS5-powered search across 354 repos
- KPI collection API: 9 collectors aggregating 60+ daily metrics

**Database Engineering**
- 11 PostgreSQL databases across 3 fleet nodes
- 230 SQLite databases (1.4 GB) for state management and agent memory
- 22 Cloudflare D1 databases for serverless backends
- 46 KV namespaces for edge caching
- FTS5 full-text search index across code and knowledge bases

**Service Architecture**
- 14 Docker containers on Docker Swarm with service discovery
- 48 Nginx reverse proxy sites with upstream health checking
- WebSocket real-time streaming for AI model responses
- SSE (Server-Sent Events) proxy for Ollama model streaming
- GitHub-to-Gitea relay for cross-platform repository sync

**Data Processing**
- Daily KPI aggregation across GitHub, Gitea, fleet SSH, Cloudflare APIs
- Power monitoring data collection (5-minute intervals across fleet)
- Distributed tracing with nanosecond-precision span tracking
- Cron-based batch processing (52 automated tasks)

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## Technical Skills

**Languages:** Python (470 repos), JavaScript (114 repos), TypeScript (85 repos), Bash, Go, C
**Frameworks:** FastAPI, Node.js/Express, Next.js API routes
**Databases:** PostgreSQL, SQLite/FTS5, Cloudflare D1/KV, Qdrant (vector)
**Infrastructure:** Docker, Nginx, systemd, Linux
**APIs:** REST, WebSocket, SSE, Cloudflare Workers

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## Metrics

| Metric | Value |
|--------|-------|
| Lines of code | 7,212,320 |
| PostgreSQL DBs | 11 |
| SQLite DBs | 230 |
| D1 databases | 22 |
| API services | 6+ |
| Docker containers | 14 |
| Repos | 1,810 |