Senior Workday Extend Developer

Kainos; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading technology company in Greater London is seeking a Senior Workday Extend Developer to design and support innovative products and services. You will collaborate with a diverse team, championing technology and ensuring successful project delivery. Ideal candidates will possess Extend certifications, experience with web services, and an agile delivery mindset. Kainos fosters a people-first culture where growth and contributions are valued, making it a great place to advance your career.

Qualifications

• Obtain Extend certifications from an accredited body in your area of specialisation.
• Experience with web service technologies (REST, SOAP).
• Experience developing Extend applications.
• Experience developing & coding within agile delivery environments.
• Great customer focus and ability to work under pressure.

Responsibilities

• Champion technology and become an industry respected Extend Developer.
• Help identify, qualify, and win new business opportunities.
• Provide assurance on delivery projects for appropriate technology use.
• Support colleagues and foster a DevOps culture.

Skills

Extend certifications from an accredited body

Experience with web service technologies (REST, SOAP)

Agile delivery experience

Customer focus

Job description

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.

As a Senior Workday Extend Developer in Kainos, you’ll work with others to design, automate, build and support exciting products/services for our customers, advising on estimated effort and technical implications of user stories and decisions.

You will continually learn new technologies and approaches with talented colleagues who will help you grow.

Your key responsibilities will also include:

• Championing technology – You’ll be an accredited and industry respected Extend Developer who will be given opportunities to prioritise your development in your specialist area.

• Developing Kainos as a business – You’ll help to identify, qualify and win new opportunities and will be actively involved in business development activities relating to your specialist area to influence use of technology.

• Providing assurance – You’ll involve yourself across delivery projects to ensure appropriate use of the technology.

• Being a role model – You’ll support your colleagues and foster a DevOps culture in all that you do by embodying the Kainos values. You’ll be passionate and committed to ensuring Kainos projects are successful. You’ll help build a community of practice in your specialist area.

Minimum (Essential) Requirements

• Obtained Extend certifications from an accredited body in your area of specialisation (must be valid).
• Experience with working with web service technologies (REST, SOAP).
• Experience developing Extend applications.
• Experience developing & coding within agile delivery environments.
• Experience of having a great customer focus. Working to tight deadlines, making sensible decisions under pressure and taking a balanced view of customer demands and project commercials.

Desirable

• Obtained Integration and or HCM certification.

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.