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Java Developer
  • Kraków
Java Developer
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Sii Sp. z o.o.
12. 6. 2025
Informacje o stanowisku

technologies-expected :


  • Java
  • Spring Framework
  • Tomcat
  • JavaScript
  • JPA
  • CSS
  • AJAX
  • JSON
  • Bootstrap
  • NodeJS
  • XML
  • Servlet
  • Git

technologies-optional :


  • Angular
  • Hibernate

about-project :


  • We are looking for a Java Developer with strong expertise in the development and maintenance of enterprise-level, Java JEE-based systems. You will be part of a global team responsible for multiple Applications across Custody Systems (written in Java, having integration with JEE, Web Services, Oracle, IBM, C++ and ActiveMQ), being currently rolled out to our businesses and used mainly by the Compliance Team.

responsibilities :


  • Design, development, and unit testing of enhancements within the Custody application framework
  • Research and resolve defects during all phases of the software development cycle
  • Support and execute functional and performance testing
  • Assists in troubleshooting and tuning production and test environments, and assists in infrastructure and environment setup and solution deployments
  • Ensure technical best practices are followed during all phases of the project
  • Perform code reviews and ensure standards are applied to each solution component

requirements-expected :


  • Bachelors Science Degree in Computer Science or related work experience
  • Fluency in English
  • Analytical and problem-solving skills
  • Strong foundation in Object-Oriented Programming and Design Patterns
  • At least 4 years of practical experience in Java and related technologies like Tomcat, Angular9, JavaScript, JPA, Spring Hibernate, CSS, AJAX, JSON, Bootstrap, NodeJS, XML, Servlet, and JSP
  • Experience with SOAP and REST-based webservice development
  • Good knowledge of logical and physical Data Modelling using normalizing Techniques
  • Familiarity with automated CI build and deployment infrastructure and processes for multiple projects using tools like Jenkins, CARA, and GIT
  • Knowledge of Custody Services (Corporate Actions, Global Tax, Trade Processing & Settlement)
  • Fluent in Polish and residing in Poland required

offered :


  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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