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Senior Fullstack Engineer @ Antal
  • Kraków
Senior Fullstack Engineer @ Antal
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Antal
8. 3. 2026
Informacje o stanowisku

? Location: Warsaw or Kraków (hybrid - 2 days in the office per week)
? B2B: 170 - 200 PLN / h
? Industry: Financial Services / Payments

We are looking for a Senior Fullstack Engineer to join a team working on a large-scale payment platform used in enterprise environments. The platform enables fast, secure, and multi-channel financial operations.

The role focuses on building and maintaining backend and frontend services, modernizing legacy systems, and improving automation and efficiency. You will work in an Agile, DevOps-aligned environment with experienced teams.

What We Offer:

  • Work on a long-term, large-scale payment platform.
  • Real impact on architecture, processes, and modernisation of services.
  • Hybrid work model (Warsaw or Kraków).
  • Mature engineering environment with focus on automation and best practices.
  • Luxmed healthcare package and Multisport card.



  • Strong experience with Java 11+ (Java 17+ preferred).
  • Experience with Kubernetes and Git (required).
  • Fluency in navigating Unix-based systems and command-line interfaces.
  • Solid knowledge of SQL and relational databases (Oracle preferred).
  • Practical understanding of REST APIs and microservice architectures.
  • Knowledge of HTTP/Web technologies, JavaScript and React (preferred).
  • Experience working in DevOps teams (preferred).
  • Understanding of application monitoring (desirable).
  • Knowledge of Spring / Spring Boot (desirable).

? Location: Warsaw or Kraków (hybrid - 2 days in the office per week)
? B2B: 170 - 200 PLN / h
? Industry: Financial Services / Payments

We are looking for a Senior Fullstack Engineer to join a team working on a large-scale payment platform used in enterprise environments. The platform enables fast, secure, and multi-channel financial operations.

The role focuses on building and maintaining backend and frontend services, modernizing legacy systems, and improving automation and efficiency. You will work in an Agile, DevOps-aligned environment with experienced teams.

What We Offer:

  • Work on a long-term, large-scale payment platform.
  • Real impact on architecture, processes, and modernisation of services.
  • Hybrid work model (Warsaw or Kraków).
  • Mature engineering environment with focus on automation and best practices.
  • Luxmed healthcare package and Multisport card.


,[Develop and maintain services, microservices, and applications (backend and frontend) using Java 11/17/21 and ReactJS., Modernize legacy systems, migrating from mainframe and IBM WebSphere to API/microservice-based architectures., Reduce testing costs by implementing automated testing frameworks., Improve Straight-Through-Processing (STP) efficiency in services., Collaborate closely with DevOps and solution delivery teams. Requirements: Java, Kubernetes, Git, SQL, Relational database, REST API, Microservice architecture, HTTP, JavaScript, React, DevOps, Spring Boot, Spring

  • Praca Kraków
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