Senior Go Backend Engineer - Fintech at Scale

Jobtailor; Warszawa; Hybrid; PLN 240,000 - 360,000; Full time

Job summary

Jobtailor is seeking a senior Go backend engineer to implement scalable micro-services and tune data models for fintech workloads. You will work on AWS, DynamoDB, and PostgreSQL, with a strong emphasis on performance and reliability.

The role involves collaborating with product on roadmaps, reviewing architecture, mentoring colleagues, and contributing to on-call rotations. Warsaw-based with hybrid on-site and remote work options.

Qualifications

• 3+ years backend experience required.
• Strong Go proficiency.
• Cloud-native design, REST APIs, event-driven patterns.

Responsibilities

• Implement and extend micro-services in Go.
• Write unit/integration/API tests and review PRs.
• Tune data models for low latency and high throughput.
• Collaborate with DevOps on CI/CD and observability.
• Participate in on-call rotation in fintech system.
• Lead architecture reviews and manage tech debt.

Skills

Go Programming

Cloud-Native Design

SQL/NoSQL Skills

Performance Optimization

Event-Driven Patterns

Tools

DynamoDB

Postgres

Terraform/CDK

Kafka

AWS

Job description

Jobtailor is seeking a senior Go backend engineer to implement scalable micro-services and tune data models for fintech workloads. You will work on AWS, DynamoDB, and PostgreSQL, with a strong emphasis on performance and reliability.

The role involves collaborating with product on roadmaps, reviewing architecture, mentoring colleagues, and contributing to on-call rotations. Warsaw-based with hybrid on-site and remote work options.