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Senior Software Engineer

Hackajob
Londonderry, NH · United Kingdom · London, United KingdomPosted Aug 8, 2026
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Senior Software Engineer

hackajob Londonderry, England, United Kingdom

Senior Software Engineer

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hackajob is collaborating with Kainos to connect them with exceptional professionals for this role.

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.

We believe in a people-first culture, where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, 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.

MAIN PURPOSE OF THE ROLE & RESPONSIBILITIES IN THE BUSINESS:

As a Senior Software Engineer (Senior Associate) in Kainos, you’ll be responsible for developing high quality solutions which 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.

Minimum (essential) Requirements

  • Must have demonstrable Java and AWS experience
  • Proficient in designing, building, testing and maintaining modern software applications
  • Experience of 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 of design and development across multiple layers of an application
  • Mentoring junior team members

Desirable

  • Good communication skills, with the ability to communicate issues to technical and non-technical people.
  • Experience of Continuous Integration and Continuous Delivery techniques
  • Experience of debugging and troubleshooting live applications
  • Active participation in knowledge sharing activities, both within the team and with wider non-technical audiences
  • Experience of multiple programming languages and data storage technologies
  • Experience of balancing technical decisions with user needs and commercial constraints
  • Knowledge of public cloud platforms, such as AWS and Azure, including SaaS and PaaS offerings

Embracing our differences  

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.

Our friendly talent acquisition team is here to support you every step of the way, so if you require any accommodations or adjustments, we encourage you to reach out.

We understand that everyone's journey is different, and by having a private conversation we can ensure that our recruitment process is tailored to your needs.

  • Seniority level

    Mid-Senior level

  • Employment type

    Full-time

  • Job function

    Engineering and Information Technology

  • Industries

    Software Development

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