(00) / Service
~/services/apiv1.0 / stable
# initializing service...
$ API Development
// APIs that don't break at 3am.
REST and event-driven APIs built with Node.js and Fastify. AI-augmented engineering. Secure, documented, observable.
(01) / Observable
// every request, logged, traced, observable
tail -f /api/server.log
~/api/server.log — tail -flive
// waiting for traffic...
(02) / Numbers
// what production looks like
GET /metrics
0.0%
Uptime target
0ms
p95 latency
0+
req/s capacity
0%
OpenAPI typed
(03) / What You Get
// the deliverables, line by line
GET /deliverables
{
- "01":"REST or event-driven services on Node.js or Fastify.",
- "02":"OpenAPI / TypeScript types you can hand to any frontend team.",
- "03":"Authentication, validation, rate limits. Hardened from day one.",
- "04":"Logs, metrics, alerts. You see what's happening in production.",
- "05":"Migration path for every breaking change. No surprises for clients."
}
(04) / Differently
// the part most teams skip
git diff legacy.. with-me
--- legacy/build+++ with-me/build
@@ -1,4 +1,4 @@
- // generic team approach
+AI explores edge cases before they hit production.
+I write the docs as I write the code. Not as an afterthought.
+Schema-first. Contracts before implementation.
+Tested with real failure scenarios. Network drops, race conditions, replays.
(05) / Guarantee
// every promise is a passing test
npm test sla.spec.ts
PASSsla.spec.ts4 passed, 0 failed
describe('sla guarantees', () => {
✓it('99.9% uptime targets with monitoring proof.')
✓it('Documented response times. SLOs you can hold me to.')
✓it('Source code and infrastructure access. Full ownership.')
✓it('30 days of free fixes after launch.')
});
(06) / Why Me
// the engineer behind the API
$ whoami --verbose
user@pauljulianheise.com4 attributes
identity
→A decade of building backends across PHP, Node.js, Python.
stack
→I've run my own infrastructure. I know what breaks.
model
→One contact. One context. End to end.
contract
→You don't pay for a sales layer. You pay for code that works.
(05) / Start