Technical breakdowns of real-world deployments: problems solved, systems engineered, and verifiable performance outcomes.
Accounting teams in low-connectivity areas faced transaction drops and double-entry corruption when syncing edge data back to central databases.
Implemented a deterministic write-ahead log on local embedded engines with vector timestamps and two-phase asynchronous cloud reconciliation.
Corporate legal and technical documentation queries were suffering from high LLM hallucination rates and unauthorized context leaks across departments.
Built a hybrid lexical-semantic retrieval engine with PostgreSQL pgvector, strict metadata chunking, cross-encoder re-ranking, and row-level security tokens.