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September 1, 2026

Mid-Level Java Developer – Cloud-Native and Microservices

Mid • On-site

198,030 - 237,510 PLN/yr

Warsaw, MZ, Poland

Description

As a Senior Java Developer, you will contribute to building a modern, cloud-native environment for securities settlements and post-trade processing systems. You will use advanced technologies and AI-assisted development tools to support innovation in financial services and operational excellence.

Your main responsibilities

  • Design, develop, and maintain Java-based microservices using Spring Boot.
  • Work with event-driven architectures using Kafka to enable scalable, real-time data processing.
  • Deploy and manage applications on Kubernetes, using Argo CD for continuous delivery.
  • Participate in CI/CD pipeline management with GitLab to streamline development workflows.
  • Monitor and observe system performance using Prometheus, Grafana, and Elastic Stack.
  • Collaborate in an agile, cross-functional team to deliver high-impact solutions.
  • Use AI tools, including GitHub Copilot, Devin, and Claude, to improve productivity and code quality.
  • Contribute to the evolution of security and post-trade processing infrastructure.

Requirements

  • Minimum 3 years of Java development experience.
  • Proficiency in Java and Spring Boot.
  • Experience with SDLC tools such as GitLab.
  • Solid understanding of containerization and orchestration with Docker and Kubernetes.
  • Hands-on experience with Kafka or similar messaging systems.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and interpersonal skills.
  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • Communicative English.
  • Existing legal right to work in the European Union.

Preferred qualifications

  • Knowledge of cloud platforms such as AWS.
  • Experience with securities settlements and post-trade processing systems.
  • Familiarity with Argo CD, Prometheus, Grafana, or Elastic Stack.
  • Experience with AI development tools such as Devin, Claude, or GitHub Copilot.

Please apply with your CV, preferably in English, and a statement confirming consent to the processing and storage of your personal data.

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