Backend Engineer - Go / Large-Scale Data Platform

Sensor Tower; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Job summary

Sensor Tower is seeking curious engineers to help build fast, reliable systems for a market intelligence SaaS platform. You will work closely with experienced engineers on features from day one and learn how large-scale systems are designed, built, and optimized in production.

We value simplicity, quality, and extreme ownership, and you will contribute to a culture focused on delivering robust software that users rely on.

Qualifications

• +3 years of Go experience; strong SQL skills; focus on writing testable, reliable code.
• Experience with CI/CD and containerization (Docker, Kubernetes) is a plus.
• Ability to pass technical interviews in Russian and English.
• Curiosity and drive to understand project value before coding.

Responsibilities

• Develop and extend features for Sensor Tower's app market intelligence platform.
• Participate in full development lifecycle from design to release.
• Work on parsing, data aggregation, API design, refactoring, and performance optimization.
• Create and optimize complex database queries for data analysis.
• Perform code reviews and propose improvements to tooling and processes.

Skills

Go

SQL

Testing

CI/CD

English

Russian

Tools

PostgreSQL

ClickHouse

MongoDB

Elasticsearch

RabbitMQ

GitLab

Docker

Kubernetes

Job description

Sensor Tower is seeking curious engineers to help build fast, reliable systems for a market intelligence SaaS platform. You will work closely with experienced engineers on features from day one and learn how large-scale systems are designed, built, and optimized in production.

We value simplicity, quality, and extreme ownership, and you will contribute to a culture focused on delivering robust software that users rely on.