Backend and API engineering

Backend and API engineering for reliable product delivery

I design and build backend services that carry real business logic, integrate with external systems, and expose behavior clearly to product and platform teams.

Book a project callOffered Services
Node.js and TypeScript
PostgreSQL and service boundaries
OpenAPI and third-party integrations

Typical situations

  • Business logic is spread across services, scripts, and manual operations that are hard to reason about.
  • Frontend delivery is blocked by unstable APIs, unclear contracts, or missing integration ownership.
  • A backend needs better observability, deployment hygiene, authentication, or operational boundaries.

What I deliver

  • API design, service implementation, database modeling, background jobs, and integration flows.
  • Authentication and authorization flows, OpenAPI contracts, error handling, and operational telemetry.
  • Release automation, runtime configuration, containerization, and clear documentation for maintainers.

Expected outcomes

  • Services with clearer contracts, cleaner responsibilities, and fewer production surprises.
  • Backend delivery that supports frontend speed instead of blocking it.
  • A codebase and deployment path that internal teams can own with less key-person risk.
Where this fits

Common project contexts

Node.js consultant GermanyPostgreSQL backend freelancerOpenAPI integration developer

Let us clarify the right scope.

In the first call we clarify product goals, technical risk, budget range, and whether I can help best alone or with trusted specialists.

Book a project call