Go Backend Engineer for Data Platform SaaS

Sensor Tower; Kraków; On-site; PLN 140,000 - 210,000; Full time

Job summary

Sensor Tower is seeking an early-career backend engineer in Kraków to help build fast, reliable systems for large-scale data access and analysis. You will work alongside experienced engineers, contribute to meaningful features from day one, and grow your skills in production-grade services.

Ideal candidates have 2+ years of Go experience, strong SQL skills, and familiarity with Docker and Kubernetes. English and Russian interview readiness is valued.

Qualifications

• 2+ years of experience with Go and building production services.

Responsibilities

• Develop and maintain features for the app market intelligence SaaS platform (AppMagic by Sensor Tower).
• Participate in full development life cycle: design, implementation, testing, and release.
• Work on parsing, data aggregation, API design, refactoring, and performance optimizations.
• Create and optimize complex database queries for data analysis and modification.
• Perform code reviews and suggest improvements to tools and processes.

Skills

Go

SQL

CI/CD

English

Russian

AI tools

Tools

Docker

Kubernetes

PostgreSQL

ClickHouse

Elasticsearch

RabbitMQ

GitLab

Job description

Sensor Tower is seeking an early-career backend engineer in Kraków to help build fast, reliable systems for large-scale data access and analysis. You will work alongside experienced engineers, contribute to meaningful features from day one, and grow your skills in production-grade services.

Ideal candidates have 2+ years of Go experience, strong SQL skills, and familiarity with Docker and Kubernetes. English and Russian interview readiness is valued.