Senior Software Engineer; Java

Join Kainos and Shape the Future

At Kainos, we’re problem solvers, innovators, and collaborators—driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting‑edge Workday solutions, or pushing the boundaries of technology, we do it together.

People‑first culture
: your ideas are valued, your growth is supported, and your contributions truly make a difference. You’ll be part of a diverse, ambitious team that celebrates creativity and collaboration.

Ready to make your mark? Join us and be part of something bigger.

As a Senior Software Engineer (Senior Associate) in Kainos, you’ll be responsible for developing high‑quality solutions that delight our customers and impact the lives of users worldwide. It’s a fast‑paced environment, so it is important for you to make sound, reasoned decisions. You’ll do this whilst learning about new technologies and approaches, with talented colleagues that will help you to learn, develop and grow as you, in turn, mentor those around you.

• Demonstrable experience with Java and AWS.
• Proficient in designing, building, testing, and maintaining modern software applications.
• Experience applying development best practices and patterns in relation to security, scalability, and performance.
• Contributing to technical decisions and direction in a collaborative team environment, including architecture, estimation, product planning, user story/requirement creation.
• Experience in design and development across multiple layers of an application.
• Mentoring junior team members.

• Good communication skills, with the ability to communicate issues to technical and non‑technical people.
• Experience with Continuous Integration and Continuous Delivery techniques.
• Experience debugging and troubleshooting live applications.
• Active participation in knowledge sharing activities, both within the team and with wider non‑technical audiences.
• Experience with multiple programming languages and data storage technologies.
• Experience balancing technical decisions with user needs and commercial constraints.
• Knowledge of public cloud platforms, such as AWS and Azure, including SaaS and PaaS offerings.
• Experience in one or more Java BPMN 2.0 implementations. Activiti is preferred, but experience in Camunda, Flowable or jBPM will also be considered.

At Kainos, we believe in the power of diversity, equity and inclusion. We are committed to building a team that is as diverse as the world we live in, where everyone is valued, respected, and given an equal chance to thrive. We actively seek out talented people from all backgrounds, regardless of age, race, ethnicity, gender, sexual orientation, religion, disability, or any other characteristic that makes them who they are.

We also believe every candidate deserves a level playing field.