Case Studies

Real work. Real systems.

Each project involved a real team, real constraints, and a production system with users depending on it. These are not hypothetical examples — here is what the work actually looked like.

app.client.com/dashboard
Requests/s
2,847
P99 Latency
23ms
Error Rate
0.01%

Fintech

10 weeks

Payment API Rebuild

Redesigned a synchronous payment processing pipeline into an event-driven architecture. Resolved transaction failures under peak load, added proper retry logic, and built an audit trail for compliance.

Node.jsTypeScriptPostgreSQLRedisStripe

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ops.internal/workflows
Invoice Processing
Active
Client Onboarding
Active
Report Generation
Queued
Tasks Today
142
Automation Rate
87%

Internal Systems

8 weeks

Internal Operations Platform

Built a custom operations platform to replace a patchwork of spreadsheets and manual steps. Workflow automation, role-based access, and audit logging — designed around how the team actually works.

Next.jsReactNode.jsPostgreSQLAWS

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deploy — pipeline
✓ Build — 14s
✓ Tests — 247 passed
✓ Security scan — 0 vulnerabilities
✓ Deploy staging — healthy
✓ Deploy production — healthy
Pipeline complete — 2m 41s

Cloud & Infrastructure

6 weeks

Backend Migration & System Cleanup

Took over a production backend with no observability, manual SSH deploys, and a staging environment that did not match production. Set up structured logging, container-based deploys, and proper environment parity.

DockerAWS ECSTerraformCloudWatchNode.js

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manager@axionvextech.com