Platform Engineer: Elevate CI/CD & Infra Tooling

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

Job summary

Sensor Tower seeks a Platform Engineer to improve the infrastructure, developer tooling, and delivery workflows used by more than 100 engineers. The role blends infrastructure and software development, with a 65/35 split.

You’ll work on cloud infrastructure, deployment automation, observability, CI/CD, and internal tooling. You’ll enhance developer productivity with internal tools, improve CI pipelines, and work on product features while expanding observability across the stack using

Qualifications

• Experience building and maintaining complex CI/CD workflows.
• Software development experience including internal tools, APIs, or backend services.
• Experience with AWS or another cloud provider.
• Telemetry/monitoring experience (OpenTelemetry, Grafana, Kibana).

Responsibilities

• Improve developer experience by building tools and workflows for testing and shipping software.
• Maintain infrastructure automation with Ansible, Terraform, and Terragrunt.
• Improve the reliability and performance of CI/CD workflows.
• Investigate slow builds, failed pipelines, and flaky tests.
• Develop internal tools, improve test infra, and occasionally work on product features.
• Improve observability across infrastructure and delivery workflows using OpenTelemetry, ELK.
• Leverage AI to improve engineering workflows by building cloud-based agent tools.

Skills

CI/CD

Software development

AWS

Telemetry/Monitoring

System Design

Ruby/Go

Tools

AWS

Terraform

Ansible

Jenkins

Docker

Job description

Sensor Tower seeks a Platform Engineer to improve the infrastructure, developer tooling, and delivery workflows used by more than 100 engineers. The role blends infrastructure and software development, with a 65/35 split.

You’ll work on cloud infrastructure, deployment automation, observability, CI/CD, and internal tooling. You’ll enhance developer productivity with internal tools, improve CI pipelines, and work on product features while expanding observability across the stack using