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June 18, 2026

Software Engineer - Cloud Services & Backend Modernization

Mid • Hybrid

150 - 190 PLN/hr

Gdansk, Poland

We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide.

You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence.

Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings.

Key responsibilities

  • Develop and modernize backend services hosted in AWS

  • Design and implement scalable, resilient cloud-native solutions

  • Build and improve APIs, integrations, and automated backend processes

  • Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability

  • Manage and troubleshoot Kubernetes-based environments and containerized applications

  • Support production systems and drive reliability, security, and operational improvements

  • Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions

  • Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security

Ideal candidate profile

  • Experience developing backend applications in cloud environments

  • Hands-on experience with Linux, Docker, Apache, and PHP or Java

  • Strong knowledge of AWS and cloud-native architectures

  • Experience with Kubernetes and containerized workloads

  • Experience with CI/CD, Infrastructure as Code, and automation

  • Understanding of cloud security, monitoring, and production support practices

  • Strong troubleshooting and problem-solving skills

  • Ability to work independently and collaborate within distributed teams

  • English min. B2.

Nice to Have:

  • Experience modernizing legacy applications and services

  • Experience with SQL Server and MySQL

  • Experience building highly available and resilient production systems

  • Experience using AI-assisted software development tools

Conditions

  • Employment type: B2B or UoP

  • Location: Gdańsk

  • Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability

  • Salary: up to 190 PLN net/h

  • Benefits: life insurance, private healthcare, Multisport card 

Recruitment steps

  • Recruitment call with Agnieszka from KUBO

  • Client interview (may require 2 rounds)

  • Feedback and decision

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