Backend Engineer, Go

FinteqHub

Backend Engineer (Go) assisting FinteqHub in building PCI DSS compliant payment gateway systems. Involves API integration, code improvement, and team collaboration across Europe.

Posted 5/8/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

DockerGoKafkaKubernetesLinuxPostgres

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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.)

Benefits

Comp & perks

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.

ATS Keywords

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Hard Skills & Tools

GoPostgreSQLLinuxDockerKubernetesKafkaGonkeyAPI integrationunit testingfunctional testing

Soft Skills

cross-team collaborationproduct user supportcode reviewsbacklog groomingincident investigationautomationcommunication