Kainos

Senior Software Engineer (C#/.Net/Nodejs)

United Kingdom full-time Senior Salary not listed
full-time Senior level Technology & IT Curated
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About the 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:

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.
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Senior
Technology & IT API integration Human Resources Senior Software Engineer Senior level

Likely questions

  1. Tell us about work you have done that is close to the Senior Software Engineer (C#/.Net/Nodejs) role.
  2. How would you approach your first 30 days at Kainos?
  3. Which of API integration, Human Resources and Senior have you used recently, and what did it help you achieve?
  4. How have you led people, improved a process, or made a hard decision in a previous role?
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with API integration, Human Resources and Senior.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Software Engineer (C#/.Net/Nodejs) role because I can bring practical experience in API integration, Human Resources and Senior, learn the team quickly, and contribute to the outcomes Kainos needs from this hire.

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