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Inetum

Senior JVM Software Engineer

Inetum

Senior Java Developer developing and maintaining banking applications in a hybrid work model. Join Inetum Polska and contribute to innovative solutions within the banking sector.

Posted 6/30/2026full-timeRemote • Warsaw • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies
ApacheCassandraCloudGoogle Cloud PlatformJavaKubernetesMicroservicesPythonRDBMSSQL

About the role

Key responsibilities & impact
  • Design, develop, and maintain applications within the banking domain.
  • Collaborate closely with Business Analysts and QA Engineers in a self-organizing Agile (Scrum) team.
  • Ensure the security and reliability of developed solutions.
  • Create and maintain unit and automated tests.
  • Work with large-scale datasets of various structures.
  • Integrate applications with internal banking systems.
  • Optimize and enhance existing solutions to meet business and technical requirements.

Requirements

What you’ll need
  • At least 5 years of commercial experience in Java development.
  • Strong knowledge of Java 17.
  • Hands-on experience with cloud technologies, preferably Google Cloud Platform (GCP).
  • Experience working with Kubernetes.
  • Solid understanding of RDBMS databases.
  • Strong knowledge of software development best practices and design principles, including SOLID, DRY, KISS, and Clean Code.
  • Experience with the full software development lifecycle.
  • Nice to Have: Experience with Apache Cassandra.
  • Basic knowledge of Python.
  • Experience working in complex, highly integrated environments.
  • Understanding of testable software design and automated testing practices.
  • Experience with data modeling and SQL query optimization.
  • Knowledge of microservices architecture.

Benefits

Comp & perks
  • Flexible working hours.
  • Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.
  • Attractive financial benefits: A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
  • Generous referral bonuses, offering up to PLN6,000 for referring specialists.
  • Additional revenue sharing opportunities for initiating partnerships with new clients.
  • Ongoing guidance from a dedicated Team Manager for each employee.
  • Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.
  • Dedicated team-building budget for online and on-site team events.
  • Opportunities to participate in charitable initiatives and local sports programs.
  • A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

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Hard Skills & Tools
Java 17Cloud TechnologiesKubernetesRDBMSData ModelingSQL Query OptimizationAutomated TestingSoftware Development LifecycleSOLID PrinciplesClean Code
Soft Skills
CollaborationProblem-Solving