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alexa-amundson-resume/roles/08-backend-engineer.md
Alexa Amundson b85daa3e13 kpi: auto-update metrics 2026-03-13
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Alexa Amundson

Backend Engineer

amundsonalexa@gmail.com | github.com/blackboxprogramming


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.


Experience

BlackRoad OS | Founder & Backend Lead | 2024Present

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)

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


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