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Work

Selected systems

Metrics you can verify in production. Employer names stay off the case; the architecture does not.

01

Fintech execution

10k TPS · P99 < 25ms

Low-latency trading fabric

Order ingress, multi-connector fan-out, reconciliation, and an audit trail. Goroutine pools, Redis for hot order state and idempotent dedup, MongoDB for trade log. Critical paths moved off a Node.js hop that sat above 100ms.

  • Go
  • gRPC
  • Redis
  • MongoDB
02

Enterprise systems

Six services · one event log

Trip-true logistics ERP

Greenfield decomposition of logistics software: trip orchestration, routing, billing, delivery events, metrics, notifications. Append-only trip log, state machine for billing replay, POD attestation before invoice finalization.

  • Go
  • gRPC
  • Kubernetes
  • MongoDB
  • React
03

Applied AI

Traced · evaluated · live

RAG for on-call and the business

LangChain RAG and LLM microservices on Kubernetes: query business data, summarize operational logs for triage. LangGraph agents, LangSmith evals, vector search, structured outputs, MQ streaming. The SRE team opens it.

  • LangGraph
  • LangSmith
  • Vector DB
  • Kubernetes
04

B2B SaaS

Thousands of live sessions

High-concurrency research platform

Distributed processing for concurrent survey sessions and long-running batch jobs. Redis locks with process tokens, idempotent MQ workers, WebSocket session rehydration, dashboards tuned for heavy data.

  • TypeScript
  • React
  • Redis
  • WebSockets
05

Security & IoT

Cameras · BLE · offline-first

Physical AI at the edge

ANPR and face recognition across edge hardware, Node APIs, React Native and Electron field clients. Custom BLE SDK, live video, geotagging, service-worker offline. The last mile is the system.

  • Electron
  • React Native
  • WebSockets
  • Docker