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Antal Sp. z o.o.

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Fullstack Java Developer

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Summary

Hybrid (Kraków, 6 onsite days/month) contract role building scalable microservices-based applications for a global financial services organization: Java and Spring Boot backends, REST and gRPC APIs, Oracle SQL, Cucumber automated tests, and Kubernetes deployments. Offered as a 150-200 PLN/h B2B engagement via recruitment agency Antal.

Full Stack Java Developer

📍 Location: Kraków (hybrid, 6 days onsite per month)
💰 Rate: 150-200 PLN/h B2B

Join a global financial services organization and contribute to the development of modern, scalable applications used by millions of customers worldwide.

We are looking for a Full Stack Java Developer who enjoys working in an international environment and delivering high-quality solutions using modern engineering practices.

Your responsibilities

  • Designing, developing, and maintaining scalable applications based on a microservices architecture
  • Building and enhancing backend services using Java and Spring Boot
  • Developing and maintaining APIs using REST and gRPC
  • Working with SQL databases, preferably Oracle
  • Creating automated tests and ensuring software quality with Cucumber
  • Collaborating closely with developers, architects, QA engineers, and business stakeholders
  • Participating in code reviews and contributing to continuous improvement initiatives
  • Supporting deployments and application operations in Kubernetes environments

Requirements

  • Strong commercial experience with Java and Spring Boot
  • Experience building and maintaining microservices-based applications
  • Practical knowledge of Kubernetes and containerized environments
  • Solid SQL skills (Oracle preferred)
  • Experience with REST APIs and gRPC
  • Familiarity with Maven
  • Experience with automated testing, including Cucumber
  • Good understanding of software engineering best practices
  • Very good English communication skills

Nice to have

  • Experience in Banking or Financial Services
  • Knowledge of cloud-based environments
  • Experience working in large-scale enterprise projects

We offer

  • Private healthcare package (Lux Med)
  • Multisport card
  • Long-term cooperation in an international environment
  • Opportunity to work with modern technologies and large-scale systems
  • Collaborative, multicultural team and professional growth opportunities

See also

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