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Alexa Amundson
292fa97a8e
RoadChain-SHA2048: 9f948f149bd9f508 RoadChain-Identity: alexa@sovereign RoadChain-Full: 9f948f149bd9f508d25792c617d1c4049cf814c3acbb3181886684f1d89e2ab84fdb0364ce227ef1c03c0b59335e5d1aad9434f983ad375d50eca597e7daea8f9bb2a3e40116fa13de0453865ff2665fb759fc63204fe222360becc3b8c447fb1fbe7e10a440e8107745b57c643682cb2e4f7cffbb9c8c0e1bc5b03623fcbd41d0ab39740c02f148d5309591013f3d65810692706da448cf7e04b4368ef3738898fcc0f2414377cf1ff1f5897a27cfd96289c1f1875a3a93ec732453686f07621952135ae7df10cce155ebc206d3d3a3a9931fc7683d635c74b67d080fc170a8b8238a9eda91ba9193aaeb17737276b9140330cf622d656efdb3e968f46d1a24
75 lines
2.4 KiB
Markdown
75 lines
2.4 KiB
Markdown
# Alexa Amundson
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**Database Engineer**
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amundsonalexa@gmail.com | [github.com/blackboxprogramming](https://github.com/blackboxprogramming)
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---
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## Summary
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Database engineer managing 283 databases across 5 engines: 11 PostgreSQL, 230 SQLite (1.4 GB), 22 Cloudflare D1, 46 KV namespaces, and Qdrant vector DB. Designs schemas for AI agent memory, metrics collection, fleet state, and full-text search with FTS5.
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---
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## Experience
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### BlackRoad OS | Founder & Data Lead | 2025–Present
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**PostgreSQL**
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- 11 production databases across 3 fleet nodes (Alice, Cecilia, Lucidia)
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- Application state for CECE API, Lucidia API, and fleet services
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- Automated backup and monitoring
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**SQLite / FTS5**
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- 230 SQLite databases (1.4 GB total) in ~/.blackroad/
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- Key databases: metrics.db (6 tables), systems.db (111 entries), analytics.db, agents.db
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- FTS5 full-text search index for code search across 354 repos
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- Agent memory databases for AI conversation state
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- Observability traces database with nanosecond-precision spans
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**Cloudflare D1**
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- 22 serverless databases (40 MB total) for edge applications
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- images-blackroad: AI image generation metadata
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- index-blackroad: code search index (2,524 files)
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- blackroad-auth, blackroad-saas, blackroad-logs, and 17 more
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**KV / Key-Value**
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- 46 Cloudflare KV namespaces for edge state and configuration
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- Agent inboxes, config, telemetry, templates, users, world state
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- Low-latency edge reads for Cloudflare Workers
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**Vector Database**
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- Qdrant on Alice for semantic search and embeddings
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- Knowledge retrieval for AI agent systems
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**Schema Design**
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- Metrics schema: metrics, counters, alerts, system_metrics, custom_metrics, metric_definitions
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- Inventory schema: inventory, movements, locations
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- Observability schema: traces, spans (parent-child), metrics, logs
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- Dashboard schema: services, nodes, activity logs
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---
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## Technical Skills
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**Databases:** PostgreSQL, SQLite, Cloudflare D1, KV stores, Qdrant
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**Search:** FTS5 full-text search, vector similarity search
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**Languages:** Python, SQL, JavaScript, Bash
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**Infrastructure:** Linux, Docker, Cloudflare Workers
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**Tools:** psql, sqlite3, Wrangler, custom CLI tools
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---
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## Metrics
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| Metric | Value |
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|--------|-------|
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| Total databases | 283 |
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| PostgreSQL DBs | 11 |
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| SQLite DBs | 230 (1.4 GB) |
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| D1 databases | 22 (40 MB) |
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| KV namespaces | 46 |
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| Systems tracked | 111 |
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| Repos indexed | 354 |
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