Mainframe Modernization Application Developer

This job is with Kyndryl, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

Who We Are

At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.

The Role

Are you passionate about solving complex problems? Do you thrive in a fast-paced environment? Then there's a good chance you will love being a part of our Software Engineering - Development team at Kyndryl, where you will be able to see the immediate value of your work.

As a Mainframe Modernization Application Developer at Kyndryl, you will be at the forefront of designing, developing, and implementing cutting-edge software solutions. Your work will play a critical role in our business offering, your code will deliver value to our customers faster than ever before, and your attention to detail and commitment to quality will be critical in ensuring the success of our products.

Using design documentation and functional programming specifications, you will be responsible for implementing identified components. You will ensure that implemented components are appropriately documented, unit-tested, and ready for integration into the final product. You will have the opportunity to architect the solution, test the code, and deploy and build a CI / CD pipeline for it.

As a valued member of our team, you will provide work estimates for assigned development work, and guide features, functional objectives, or technologies being built for interested parties. Your contributions will have a significant impact on our products' success, and you will be part of a team that is passionate about innovation, creativity, and excellence. Above all else, you will have the freedom to drive innovation and take ownership of your work while honing your problem-solving, collaboration, and automation skills. Together, we can make a difference in the world of cloud-based managed services.

Your Future at Kyndryl

The career path ahead is full of exciting opportunities to grow and advance within the job family. With dedication and hard work, you can climb the ladder to higher bands, achieving coveted positions such as Principal Engineer or Vice President of Software. These roles not only offer the chance to inspire and innovate, but also bring with them a sense of pride and accomplishment for having reached the pinnacle of your career in the software industry.

Who You Are

You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others.

Required Technical and Professional Experience

7 to 11 years of experience in Mainframe Application Modernization, utilizing a range of technologies and approaches to transform legacy systems into modern, scalable solutions.

Lead the design, development, and modernization of applications migrating from legacy mainframe platforms (COBOL, Assembler, JCL, CICS, DB2, VSAM) to modern architectures (Java, microservices, cloud-native).

Own end-to-end technical delivery for modernization streams, ensuring scalability, performance, and business continuity.

Provide technical leadership and mentorship to junior developers and testers, guiding them on modernization best practices.

Collaborate closely with architects to define modernization approaches (replatforming, refactoring, or re-architecting).

Develop and optimize APIs, microservices, and integration frameworks for decoupling legacy systems.

Support data migration and transformation strategies, ensuring integrity and compliance with business rules.

Drive automation and CI / CD adoption, integrating testing and deployment processes into DevOps pipelines.

Evaluate and recommend modernization tools and accelerators (Micro Focus, Blu Age, Astadia, AWS Mainframe Modernization service, etc.).

Produce and maintain technical documentation, design specifications, and code standards for modernization projects.

Proactively troubleshoot, resolve complex issues, and ensure value realization during project execution.

Preferred Technical and Professional Experience

Bachelor's degree in computer science, related technical field, or equivalent practical experience.

Certification in one or more of the hyperscalers (Azure, AWS, and Google GCP) - otherwise, you can obtain certifications with Kyndryl

Experience with DevOps tools and modern engineering practices.

Experience with modernization tools and strategies (e.g., rehosting, refactoring, rearchitecting).

Excellent problem-solving skills and ability to work in an Agile development environment.

Being You

Diversity is a whole lot more than what we look like or where we come from, it's how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we're not doing it single-handily : Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you - and everyone next to you - the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That's the Kyndryl Way.

What You Can Expect

With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter - wherever you are in your life journey. Our employee

learning programs

give you access to the best learning in the industry to receive certifications,

including Microsoft,

Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations.

At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed.

Get Referred!

If you know someone that works at Kyndryl, when asked 'How Did You Hear About Us' during the application process, select 'Employee Referral' and enter your contact's Kyndryl email address.