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FinteqHub Linkedin · Posted 2mo ago

Backend Engineer (Go)

Warsaw, Mazovia, Poland

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Indexed description

Overview:

FinteqHub continues to expand the team and is looking for Backend Engineer (Go). We need a true, experienced and accomplished professional who shares our culture and values.

About Product:

Finteqhub

А PCI DSS certified payment gateway for online businesses, providing integration with payment systems via a single software platform.

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Key responsibilities:

  • Integration of new payment providers: from API documentation analysis and technical design to deployment and monitoring in production
  • Leveraging AI tools (Claude and similar) to accelerate provider documentation analysis and automate the generation of integration Boilerplate code
  • Configuration, debugging, incident investigation, and automation of routine processes
  • Contributing to product quality improvements, code reviews, backlog grooming, and retros
  • Cross-team collaboration and product user support

Required Experience:

  • 3+ years of professional software development experience, with 1.5+ years of recent experience using Go as your primary language
  • Strong understanding of Go internals: data structures, concurrency, memory management, garbage collection
  • Experience working with fintech or other systems with strict data consistency requirements
  • Experience with PostgreSQL: understanding of transactions and basic query optimization
  • Ability to write testable code and cover logic with unit and functional tests
  • Hands-on experience with Linux, Docker, and Kubernetes
  • English & Russian at B1+ level

Nice to have:

  • Experience integrating many similar APIs
  • Experience with Kafka or other message brokers
  • Experience with Gonkey or similar frameworks for functional API testing
  • Productive experience using AI assistants in development (Claude Code, Cursor, Copilot, etc.)

Our Benefits:

  • Full-time remote work opportunities and flexible working hours
  • Private insurance
  • Additional 1 Day Off per calendar year
  • Sports program compensation
  • Comprehensive Mental Health Programme
  • Free online English lessons with a native speaker
  • Generous referral program
  • Training, internal workshops, and participation in international professional conferences and corporate events.
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