Senior Backend Engineer (Go / Golang) Smart UI to $3000

Madfish

Madfish

Software Engineering, Product, Design

Ukraine · Europe

USD 3k-3k / month

Posted on May 10, 2026

About the Role

We are looking for a Senior Backend Engineer (Go / Golang) to join our team for a long-term product development project.

The frontend team (3 developers) is already formed. We are now strengthening the backend side.

This is a hands-on development role focused on building scalable APIs and backend services.

Responsibilities

  • Develop backend services using Go (Golang)
  • Design and implement REST APIs
  • Work with PostgreSQL databases (schema design, optimization)
  • Integrate third-party services
  • Implement authentication & authorization (JWT, OAuth)
  • Optimize performance and improve system reliability
  • Collaborate closely with the frontend team
  • Participate in technical discussions and estimations

Requirements

  • 4+ years of commercial experience
  • 3+ years of experience with Go (Golang)
  • Experience with Gin, Echo, Fiber or similar Go frameworks
  • Strong experience building REST APIs
  • Experience with PostgreSQL
  • Understanding of concurrency (goroutines, channels)
  • Experience with Docker
  • Experience with AWS (EC2, RDS, S3)
  • Experience with Git
  • Understanding of CI/CD processes

Nice to Have

  • Redis
  • Kafka / RabbitMQ
  • Microservices architecture
  • Kubernetes
  • Experience with SaaS or marketplace products
  • Swagger / OpenAPI
  • Unit testing in Go

What We Offer

  • Long-term full-time engagement
  • Stable workload
  • Product development from early stages
  • Direct communication, no bureaucracy
  • Opportunity to grow within the project