fintechNDA
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case · 01 · coverCapital-markets event ingest at sub-millisecond latency.
Re-architected a brittle pipeline to handle 4× the previous peak with zero degradation in P99.
// Go · Kafka · ClickHouse · K8s · AWS→
Invent Labs · Work
Selected work, on the record.
Case studies from the last twelve months. Many of these engagements remain under NDA, so identifying details are anonymized — the architecture, decisions, and outcomes are not.
healthtechNDA
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case · 02 · coverMulti-tenant patient-data platform, 0 → first ten customers.
Greenfield build with HIPAA-ready data isolation. Single team, six months, no rewrite needed at scale.
// TypeScript · Postgres · Next.js · GCP→
infraadvisory
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case · 03 · coverSaaS unit-economics review, Series B platform.
Found and modeled a hidden COGS line tied to multi-tenant storage. Margins recovered within two quarters.
// Advisory · 8 weeks · architecture + finance→
fintechNDA
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case · 04 · coverDouble-entry ledger rewrite for a Series A payments platform.
Replaced an ad-hoc balance system with a strict double-entry ledger. Reconciliation drift went to zero and stayed there.
// Postgres · Go · gRPC · K8s · GCP→
infra
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case · 05 · coverObservability cost rescue for a post-Series-B SaaS.
Cut observability spend by two-thirds without losing a single trace; rebuilt the alerting pipeline as a side benefit.
// OpenTelemetry · ClickHouse · Grafana→
b2b · collabNDA
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case · 06 · coverReal-time collaboration rebuild for an enterprise B2B platform.
Replaced a leaky polling system with CRDT-backed sync. 30× the concurrent users, no data-loss incidents.
// TypeScript · Y.js · WebSocket · Cloudflare→
// work · next step
Have a system that looks like one of these?
If one of these case studies looks like the shape of the problem you're staring at, that's usually a good signal we'd be useful. The full deck — including the engagements that aren't on the public list — is available on request.