Backend Engineer - Go Microservices (Hybrid, Warsaw)

Tradevest; Warszawa; Hybrid; PLN 130,000 - 190,000; Full time

Benefits offered by this job

20 days PTO on B2B

Multisport card

Occasional travel to Germany (Munich/B

Job summary

Tradevest is seeking a Mid Backend Software Engineer in Warsaw to develop and extend Go-based microservices. You will work on high-scale fintech systems, tune data models for low latency, and collaborate with DevOps on CI/CD and observability. Hybrid work with in-office presence Tuesday-Thursday.

The role emphasizes RESTful APIs, event-driven design, and cloud-native patterns, with exposure to serverless AWS components and NoSQL/SQL data stores.

Qualifications

• 3+ years of professional back-end experience (ideally 1 year+ in Go).
• Solid grasp of cloud-native design (RESTful APIs, event-driven patterns).
• Working SQL and NoSQL skills; know when each shines.
• Comfort diagnosing performance bottlenecks in distributed systems.

Responsibilities

• Implement new micro-services and extend existing ones in Go.
• Help groom user-story requirements and surface performance / scaling concerns early.
• Write unit, integration and API tests; review PRs.
• Tune data-models in DynamoDB & Postgres for low-latency, high-throughput workloads.
• Pair with DevOps on CI/CD and observability improvements.
• Participate in on-call rotation as we're building high available fintech system
• Design and drive high-scale, low-latency services (tens of thousands of orders / sec).
• Lead architecture reviews, challenge assumptions and keep tech debt in check.
• Partner with Product on roadmap feasibility & effort sizing.
• Be a mentor to less experienced colleagues

Skills

Go programming

REST APIs

Event-driven design

SQL/NoSQL

Performance tuning

Team collaboration

On-call readiness

Tools

Terraform

GitHub Actions

DynamoDB

PostgreSQL

Kafka

AWS

Job description

Tradevest is seeking a Mid Backend Software Engineer in Warsaw to develop and extend Go-based microservices. You will work on high-scale fintech systems, tune data models for low latency, and collaborate with DevOps on CI/CD and observability. Hybrid work with in-office presence Tuesday-Thursday.

The role emphasizes RESTful APIs, event-driven design, and cloud-native patterns, with exposure to serverless AWS components and NoSQL/SQL data stores.