Senior Go Engineer - Fintech Payments, Flexible Work

Colibrix One; Warszawa; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Flexible work arrangements

Continuous learning and development

Competitive compensation and benefits

Job summary

COLIBRIX ONE is seeking an experienced Go Engineer to contribute to our AI-powered payment gateway. You will work on distributed systems, design robust APIs (REST/gRPC), and mentor teammates through hands-on collaboration.

The role involves production operations, incident responses, and security-conscious development, with integrations to banks, payment providers, and AML/KYC workflows. You will help scale and secure fintech platforms in a fast-growing environment.

Qualifications

• 5+ years of professional Go development experience, including fintech or payments.
• Strong knowledge of distributed systems and API design (REST/gRPC).
• Advanced PostgreSQL skills and transaction handling.
• Experience with event-driven architectures and message brokers.
• Hands-on AWS, Kubernetes, and CI/CD in production.
• Security-conscious development for financial/personal data.
• Fluent Russian and English communication.

Skills

Go

Distributed systems

API design (REST/gRPC)

PostgreSQL

Event-driven architecture

AWS

Kubernetes

CI/CD

Security/compliance

Russian language

English language

Tools

NATS

Kafka

RabbitMQ

OpenTelemetry

Prometheus

Grafana

GitLab CI/CD

Job description

COLIBRIX ONE is seeking an experienced Go Engineer to contribute to our AI-powered payment gateway. You will work on distributed systems, design robust APIs (REST/gRPC), and mentor teammates through hands-on collaboration.

The role involves production operations, incident responses, and security-conscious development, with integrations to banks, payment providers, and AML/KYC workflows. You will help scale and secure fintech platforms in a fast-growing environment.