Senior Platform Engineer – Cloud-Native Java Ecosystems

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. #MAKEYourCareerBETTER 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.