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Kainos

Senior Software Engineer

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In-Office or Remote
4 Locations
In-Office or Remote
4 Locations

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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 applying development best practices and patterns related to security, scalability and performance 
 Experience using modern version control and continuous integration and continuous delivery pipelines 
• Experience in using cloud technology platforms, such as Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), etc. 
 Experience in contributing to technical decisions and direction in a collaborative team environment, including architecture, estimation, product planning, user story/requirement creation 
• Good communication skills, with the ability to communicate issues to technical and non-technical people 
• Experience in design and development across multiple layers of an application 
 Experience in mentoring and coaching junior team members 
 
DESIRABLE: 
• 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 

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.


HQ

Kainos Belfast, Northern Ireland Office

4-6 Upper Crescent, Belfast, United Kingdom, BT7 1NT

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

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