// Proof
Case studies
Names under NDA. Numbers are real.
AWS bill down 46% for a data governance SaaS (NDA)
Context
A 26-service platform had accumulated the usual silent waste: oversized compute, storage that never expired, and CI and warehouse spend nobody watched.
Architecture
- EC2 and ECS rightsized against real utilization
- Eligible workloads moved to Graviton
- S3 storage classes and ECR lifecycle policies applied
- Snowflake warehouses downsized automatically when idle
Results
- AWS bill down 46%
- A second engagement on the same platform cut another 45%
Zero-downtime Redis to ElastiCache migration (martech SaaS, NDA)
Context
Production Redis sat in the hot path and had to move to managed ElastiCache while the platform kept serving traffic.
Architecture
- Replication-based sync kept both caches current
- Circuit breaker in the application path to fail safe
- Traffic cut over in stages, verified at each step
Results
- 0 minutes of user-facing downtime
Production incidents down 50%+ across 26 services (NDA)
Context
26 production services with no single alerting path and no consistent incident process. Failures were caught late and handled ad hoc.
Architecture
- EventBridge, CloudWatch and New Relic unified into one PagerDuty path
- Structured incident response with named ownership
- Runbooks written for the recurring failure modes
Results
- Production incidents down more than 50% across all 26 services
SOC 2-ready security hardening (NDA)
Context
SOC 2 preparation exposed the gaps most startups have: broad IAM, long-lived secrets, no edge rate limiting, no view of MFA coverage.
Architecture
- IAM rewritten to least privilege with credential rotation
- Secrets moved to Secrets Manager with Lambda rotation
- WAF and rate limiting in front of public endpoints
- Alerting on MFA gaps across accounts
Results
- Controls in place and documented for the SOC 2 audit
Jenkins to CircleCI: 12 pipelines migrated (NDA)
Context
Build and deploy ran on a self-maintained Jenkins, Terraform changes had no standard pipeline, and CI authenticated to AWS with long-lived keys.
Architecture
- All 12 pipelines migrated from Jenkins to CircleCI
- Reusable Terraform pipeline with auto-approve and manual gates
- GitHub Actions OIDC federation into AWS
Results
- 12 pipelines moved off self-maintained Jenkins
- Long-lived AWS keys replaced with short-lived OIDC credentials
Self-hosted infrastructure retired onto managed services (NDA)
Context
Four core components were maintained in-house, and several runtimes were approaching end of support with fixed vendor deadlines.
Architecture
- Self-managed Kubernetes to ECS and Fargate
- Configuration store to Parameter Store and Secrets Manager
- Artifact repository to ECR and CodeArtifact
- Third-party logging to New Relic and OpenTelemetry
Results
- Four self-maintained components retired
- Runtimes upgraded ahead of end of support, with no emergency window
Analytics warehouses under control, PII isolated (NDA)
Context
The analytics layer spanned Snowflake and ClickHouse with shared, partial ownership and compute that grew with every new pipeline.
Architecture
- Single owner for schema and migrations across both warehouses
- Managed replication with personal data isolated from the analytics path
- Idle warehouses downsized automatically
Results
- Warehouse compute brought under control
- Personal data separated by design, not by convention
// Next step
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