Peter Marki - Freelance Backend Developer

Backend Engineer • Go

Scalable, reliable backends, crafted in Go

I build production-grade APIs, microservices, and distributed systems with a focus on performance, observability, and maintainability. If your service needs to handle load, be resilient, and be simple to operate, I'm the guy you're looking for.

Let's work together See portfolio
  • API design • OpenAPI • gRPC & REST
  • Microservices & orchestration
  • Postgres
  • Docker
Peter Marki - Software Engineer
6 years of experience

Approach: Small, well-documented services. Clear contracts. No fluff.

Recent work: Launched MedusaLink with my business partner.

Hire me View work

Services

Custom Backend Development

APIs, microservices, data models, and integrations tailored to your product.

Performance & Scalability

Profiling, caching strategy, query tuning, and horizontal scaling architecture.

Cloud & DevOps

Containerization, CI/CD pipelines, observability.

Selected work

Showcasing projects I'm the proudest of.

MedusaLink

Go, Postgres, Docker, OpenAPI, Nuxt

Ongoing

In cooperation with my business partner, we are building MedusaLink.com, a platform that helps online businesses grow by connecting businesses, promoters and shoppers in a single place.

For more of my work and small samples of my code, visit my GitHub profile.

Contact

Use the form below or email me directly at contact@petermarki.com.

By submitting this form, you accept the Privacy Policy.

Response time: typically 1–3 business days

Quick info

Rate (est.)
Starting at €50/hr
Primary stack
Go, Postgres, REST, gRPC
Location
Vienna, Austria (UTC+2)