Technical work, with the decisions on display.
Architecture studies that show how we think: the problem, the constraints, the alternatives we rejected and the code behind each decision.
- AI & Machine LearningInternal demonstration
Ledgerline
Contract intelligence with evaluated retrieval
A reference architecture for answering questions over thousands of contracts, with mandatory citation of the source clause and explicit refusal when evidence is weak.
- Technologies
- Python · PostgreSQL · pgvector · LLM API · TypeScript
- Blockchain & Web3Internal demonstration
Quorum Indexer
A reorg-safe EVM event indexer
A reference architecture for indexing EVM contract events into PostgreSQL with chain-reorganization handling, idempotent writes and consensus across RPC providers.
- Technologies
- Go · PostgreSQL · EVM · Solidity ABI · Outbox
- Financial InfrastructureInternal demonstration
Tessera Risk
A pre-trade risk gateway
A reference architecture that validates every order against size, position, price-band and rate limits before routing, with state rebuildable from an event log. Exercised against an exchange simulator.
- Technologies
- Rust · Event sourcing · PostgreSQL · Simulator
- Custom SoftwareInternal demonstration
Relay Mesh
An event-driven integration hub
A reference architecture for synchronizing orders across e-commerce, ERP, CRM and a payment provider with safe retries, no duplicate effects and auditable reprocessing.
- Technologies
- TypeScript · PostgreSQL · Message broker · OpenTelemetry