JVM Software Engineer | 1

Employment: Full-time Experience level: Mid-Senior Level Job Description We are looking for a Regular JVM Software Engineer to join a backend development team supporting a large-scale modernization initiative. In this role, you will contribute to the analysis, design, and implementation of solutions aimed at transforming existing applications and migrating them to a modern technology stack. You will work closely with the team on backend development, application modernization, and migration-related activities, helping deliver high-quality solutions while ensuring business continuity and system reliability. Main Tasks Participate in the analysis, design, and implementation of backend solutions. Develop and maintain applications using Java and Spring Boot. Support migration and modernization activities within existing systems. Design and develop REST APIs and microservices. Refactor and improve existing codebases to enhance maintainability and scalability. Collaborate with team members in an Agile environment to deliver project objectives. Create and maintain automated tests using JUnit and Mockito. Contribute to CI/CD and software quality processes. Project Technology Backend Java 17 / 21 Spring Boot Spring Cloud Microservices REST APIs Maven Databases PostgreSQL Sybase Testing JUnit 5 Mockito Tools & DevOps Kubernetes Docker Jenkins Git SonarQube CI/CD OpenAPI / Swagger Qualifications Commercial experience with Java development within the JVM ecosystem. Hands-on experience with Java 17/21 and Spring Boot. Experience building microservices and REST APIs. Good understanding of relational databases and SQL. Experience working with PostgreSQL. Experience with JUnit 5 and Mockito. Familiarity with Maven, Git, and CI/CD practices. Knowledge of Docker and Kubernetes. Experience working in Agile development teams. Interest in AI technologies and their practical application in software development. English & Polish proficiency at B2 level. Nice to Have Experience with Sybase databases. Experience developing stored procedures. Familiarity with Gauge. Experience refactoring legacy applications and improving code quality, maintainability, and modularity. Experience migrating applications to modern technology stacks and microservices architectures. Strong understanding of domain-driven design principles and preserving business logic during system evolution and modernization. Additional Information This position offers a hybrid or remote  work model. Office location: Warszawa, Poznań, Lublin Please be advised that we will contact only selected candidates We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: https://inetum.whispli.com/speakup?locale=pl Company Description Inetum Polska is part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow, Lodz the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.  Globally, Inetum operates in 19 countries and employs over 28,000 professionals. The company focuses on four key areas:  Consulting (Inetum Consulting): Strategic advisory services that help organizations define and implement innovative solutions.  Infrastructure and Application Management (Inetum Technologies): Designing and managing IT systems tailored to clients’ individual needs.  Software Implementation (Inetum Solutions): Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.  Custom Software Development (Inetum Software): Creating unique software solutions to meet specific client needs.  With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.  Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here's what makes working at Inetum unique:  Flexible and hybrid work:  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.  Professional development and team support:  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.  Community and Well-Being:  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.