Senior Java Software Engineer with GCP/ IBS

For our client from the banking industry, we are looking for an experienced Senior Java Developer to join a team responsible for developing and maintaining critical business applications in a modern technology environment. Your Responsibilities 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 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 English & Polish proficiency at B2 level. 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 Hybrid work model: 2 days from the office, 3 days of home office. Office locations: Warszawa, Lublin, Poznań, Katowice, Łódź and Rzeszów 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: 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.