Senior Java Software Engineer with GCP/ IBS
Company: Inetum
Role summary
Senior Java Software Engineer with GCP/ IBS is a role at Inetum in Warsaw, Masovian Voivodeship, Poland (hybrid). Posted 2026-09-03. Experience level: 5-10.
- Job title
- Senior Java Software Engineer with GCP/ IBS
- Company
- Inetum
- Location
- Warsaw, Masovian Voivodeship, Poland
- Work arrangement
- hybrid
- Category
- Software Engineering
- Experience level
- 5-10
- Date posted
- 2026-09-03
If you're an experienced Java engineer with a knack for cloud technologies, this full-time role offers a fantastic opportunity to work on exciting projects. With 5-10 years of experience, you'll be a key player, and the company values your expertise.
Job description
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.
Job Description
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
Qualifications
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
Additional Information
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:
https://inetum.whispli.com/speakup?locale=pl
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