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Senior Java Developer (f/m/x)

Technology
Sii
Warszawa, Polska2 tygodni temuDo 18.12.2026
Umowa o świadczenie usługHybrydowa

Opis stanowiska

Join an international technology team delivering solutions for a leading financial institution operating in the capital markets sector. In this role, you will contribute to the development of a large-scale platform supporting the processing and completion of financial transactions. Working within a distributed engineering environment, you will help modernize critical systems through cloud technologies, automation, and AI-assisted software development practices.

This position offers the opportunity to collaborate with both technical and business stakeholders while building highly available, enterprise-grade solutions.

Your tasks:

  • Designing, developing, and enhancing cloud-based backend services supporting transaction processing platforms

  • Taking ownership of selected system components throughout their entire lifecycle, from architecture and implementation to production support

  • Leveraging AI-powered development tools to accelerate software design, specification, and coding activities

  • Collaborating with business and operational teams to improve efficiency through automation and technology-driven solutions

  • Contributing to the reliability, scalability, and performance of distributed systems operating in a global environment

  • Supporting continuous improvement initiatives related to software delivery, monitoring, and operational excellence

Requirements:
  • At least 5 years of professional experience in backend software development using Java

  • Strong knowledge of modern application frameworks, event-driven architectures, and microservices development

  • Hands-on experience with containerization and orchestration platforms in cloud-native environments

  • Familiarity with CI/CD practices, source control systems, and modern software delivery processes

  • Strong analytical and problem-solving skills combined with attention to quality and detail

  • Fluent English and willingness to work in a hybrid model, including regular office presence three days per week

Keywords
JavaSDLCDockerKubernetesGithub CopilotOrchestrationCodingScalabilitySoftware DeploymentCI / CDGithubCI/CD

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