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May 27, 2026

Senior Platform Engineer – Cloud-Native Java Ecosystems

Senior • Hybrid

20,160 - 23,520 PLN

Warsaw, Poland

Unleash innovation within high-availability ecosystems — shape the future of distributed Java architectures!

Warsaw-based opportunity with hybrid work model (up to 2 remote days per week)

As a Senior Platform Engineer, you will be working for our client, a leader in cutting-edge cloud-native solutions. You will play a vital role in developing and maintaining advanced developer tools within a sophisticated Java ecosystem, empowering scalable, resilient platforms that underpin major products like Allegro Pay and Allegro Care. Join a team committed to technological excellence and stay at the forefront of digital transformation.

Your main responsibilities:

  • Develop and sustain developer tools optimized for the latest Java 25 ecosystem, ensuring high performance and usability.
  • Provide expert support for cloud workload optimization and Kubernetes environment configuration, including Istio and Argo.
  • Design and implement high-availability solutions across multi-region architectures to guarantee seamless service delivery.
  • Conduct research on emerging technologies, lead Proof of Concept (PoC) initiatives, and produce detailed analytical reports.
  • Deliver advanced technical support to product teams, enhancing platform automation and integration efforts.
  • Collaborate on platform engineering tasks, supporting Azure-based services essential to key products.
  • Participate in code reviews, uphold high coding standards, and share your expertise within the team.
  • Leverage scripting languages such as PowerShell or Bash to streamline operational tasks.

You're ideal for this role if you have:

  • Minimum of 3 years of professional experience in backend development or platform engineering.
  • Deep knowledge of Java and Kotlin programming languages.
  • Hands-on experience with distributed systems and microservices architectures.
  • Strong expertise in containerization (Docker) and cloud services, especially Azure or similar platforms.
  • Familiarity with Kubernetes, GitOps tools such as Istio, ArgoCD, Helm, and multi-region deployment architectures.
  • Proficiency in scripting tools like PowerShell and Bash.
  • Excellent command of Polish and English — communicative level.

It is a strong plus if you have: (optional)

  • Experience with cloud computing solutions and services.
  • Knowledge of service mesh, automation processes, and platform toolchains.

Language Required for the role:
Polish and English — communicative level

Eligibility for the role:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.