A few representative engagements. Client names are anonymized where confidentiality applies, but the engineering decisions, tradeoffs, and outcomes are real.
B2B SaaS · Mittelstand
Migration of a 700k-line Doctrine 1.x codebase over 14 months with zero production downtime. Incremental strangler-fig approach with continuous feature releases throughout.
−63% build time, −41% P95 latency, zero production regressions.
B2C SaaS · Pre-Series-A
Three-week audit + refactor of a Next.js App Router build that fell over at 100 concurrent users right before investor demos.
LCP 4.8s → 1.2s, INP 380ms → 120ms, held demo-day load without an infrastructure upgrade.
FinTech · Regulated
Engineering-side DORA and NIS2 preparation for a FinTech vendor serving EU banks: subcontractor register, exit strategy, pen-test reports.
Audit-ready in 4 months vs. an estimated 9; passed on first attempt.
If any of these problems resonate, let's talk.
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