Senior Java Software Engineer - IBM Mainframe v Praha, Česko

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem.

This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us.

THE ROLE

https://jobeax.com/link/yVnVxKtLlpsnWcRd, now part of Everpure, develops technology that helps organizations discover, understand and protect sensitive data across complex enterprise environments. As part of Everpure's growing focus on data management and intelligence, we are expanding our engineering team in Prague and looking for a Java Software Engineer with experience working in IBM mainframe environments .

You will help modernize how our platform discovers, accesses and processes data on IBM z/OS, replacing legacy COBOL/REXX functionality with Java-based solutions. This is primarily a hands-on Java engineering role , where your understanding of mainframe systems and infrastructure will be equally valuable. You will work on developing a production-grade Java agent running on z/OS, contribute to backend services and APIs, and help shape the technical approach to mainframe data discovery. You will be part of a broader Java engineering team, collaborating with colleagues across engineering, architecture and product development.

WHAT YOU'LL DO

• Design, develop and maintain Java applications and components, including software running on IBM z/OS.
• Contribute to the modernization of legacy COBOL/REXX functionality using Java.
• Build capabilities to discover, access and process data across mainframe environments, including DB2, IMS, VSAM, QSAM and other data sources.
• Develop backend services, APIs and integrations supporting our data-discovery platform.
• Work on engineering challenges involving performance, reliability, scalability and data processing.
• Contribute to technical design and architecture discussions, helping evaluate different approaches and solutions.
• Collaborate with colleagues across Java engineering, platform, infrastructure and product teams.
• Share knowledge and support the team's understanding of mainframe technologies and development practices.
• We are primarily an in-office environment and therefore, you will be expected to work from the Prague office in compliance with Everpure's policies, unless you are on PTO, or work travel, or other approved leave.

WHAT YOU BRING

• Strong hands-on experience developing applications and backend software using Java .
• Experience designing, developing, testing and maintaining production software.
• Practical experience working with IBM mainframe environments, particularly z/OS , and an understanding of their architecture and infrastructure.
• Understanding of how applications interact with mainframe systems, including data access, processing and integration.
• Familiarity with some mainframe technologies such as DB2, IMS, VSAM, QSAM, JCL, datasets or similar.
• Experience developing APIs, backend services or enterprise software systems.
• Strong programming fundamentals and the ability to investigate and solve complex technical problems.
• Ability to collaborate across teams, communicate technical ideas and contribute to engineering decisions.

MAY BE BENEFICIAL

• AI-assisted development tools and practices.
• DevOps, CI/CD, and software delivery automation.
• Golang development.
• COBOL, REXX, RACF, USS, or other mainframe technologies.
• Legacy modernization and platform transformation initiatives.

#LI-ONSITE

WHAT YOU CAN EXPECT FROM US:

• Innovation : We celebrate those who think critically, like a challenge, and aspire to be trailblazers.
• Growth : We give you the space and support to grow along with us and to contribute to something meaningful. We have been named Fortune's Best Workplaces in Technology™, Fortune's Best Workplaces in the Bay Area™, and certified as a Great Place to Work®!
• Team : We build each other up and set aside ego for the greater good.

And because we understand the value of bringing your full and best self to work, we offer a variety of perks to manage a healthy balance, including flexible time off, wellness resources, and company-sponsored team events. Check out for more information.

ACCOMMODATIONS AND ACCESSIBILITY:

Candidates with disabilities may request accommodations for all aspects of our hiring process. For more on this, contact us at [email protected] if you’re invited to an interview.

OUR COMMITMENT TO A STRONG AND INCLUSIVE TEAM:

We’re forging a future where everyone finds their rightful place and where every voice matters. Where uniqueness isn’t just accepted but embraced. That’s why we are committed to fostering the growth and development of every person, cultivating a sense of community through our Employee Resource Groups and advocating for inclusive leadership.

Everpure is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or any other characteristic legally protected by the laws of the jurisdiction in which you are being considered for hire.

Join us and bring your best.

Bring your bold.

Pure and simple.