Projects
Selected projects.
Backend systems, infrastructure, and AI products I've shipped — with the stack, role, and scale.
2025
Event-Driven Commerce Platform
A Kafka + NestJS backbone for a high-throughput commerce product.
NestJSKafkaPostgreSQLRedisElasticsearch
50k events/sec peak, sub-second p99 end-to-end
2025
Retrieval-Augmented Knowledge Assistant
A production RAG system over product documentation and support data.
Next.jsVercel AI SDKGeminipgvectorPostgreSQL
~1M chunks indexed, <500ms time-to-first-token
2025
LLM Agents Runtime
A typed tool-calling runtime for reliable LLM agents.
TypeScriptVercel AI SDKGeminiKafkaPostgreSQL
2024
Multi-Tenant SaaS Platform on AWS
Isolation, metering, and cost-aware scaling for a B2B platform.
NestJSPostgreSQL (RLS)AWS ECSTerraformCloudWatch
Hundreds of tenants, cell-based
2024
Realtime Analytics Engine
Sub-second product analytics on ClickHouse.
KafkaClickHouseGoNestJSGrafana
Billions of rows, p95 <800ms
2023
Internal Observability Platform
Metrics, traces, logs — with SLOs people actually use.
OpenTelemetryPrometheusGrafanaLokiTerraform