Five engagements, five problems, five sets of numbers.
Anonymized but technically detailed write-ups of recent engagements across FinTech, Healthcare SaaS, Logistics, B2B SaaS, and DTC E-Commerce. Each one explains the situation, the approach, the stack, the results, and what changed for the business.
Selected work, with the numbers we will defend.
Modernizing a legacy payment gateway under PCI-DSS pressure
Strangler-fig migration from a PHP monolith to a Node.js microservices platform on Kubernetes. p95 latency dropped from 1.8s to 320ms, PCI-DSS audit passed, transaction headroom 4×.
load time reduction
p95 1.8s → 320ms
Multi-region Kubernetes migration for a clinical SaaS platform
Single-region VM in Frankfurt → three-region active-active EKS deployment. API response time dropped from 800ms to 40ms globally. HIPAA + GDPR audit closed without findings.
faster API responses globally
800ms → 40ms median
Document AI for a freight forwarder — 800/day, multilingual
A 12-person ops team manually classifying 800+ shipping documents a day became a 4-engineer + LLM pipeline doing it in minutes, with a 0.3% error rate. Customs holds dropped 80%.
less manual processing time
Across BoLs, customs forms, multilingual invoices
3× organic traffic for a B2B SaaS in 8 months — without paid spend
Stagnant 18-month organic plateau, broken Core Web Vitals, JS-heavy SPA blocking crawlers. Migration to Next.js with comprehensive schema, performance overhaul, and indexation cleanup.
organic traffic growth
8 months, zero paid spend
Consolidating $5M+ in paid media spend, in-house, with real attribution
DTC brand spending $5M+ across four agencies, ROAS deteriorating, attribution opaque. We brought paid media in-house, built first-party analytics, and automated inventory-aware ad serving.
average ROAS sustained over 18 months
vs 2.1× baseline across four prior agencies
Common questions about these case studies
Why are the case studies anonymized?+
Are these numbers real?+
Can you produce a case study about a project we did together?+
How representative are these of a typical engagement?+
The next case study could be yours.
Most engagements start with a 30-minute discovery call. No pitch deck, no NDAs on day one — just an honest conversation about your situation.
Schedule a Call