Senior Software Engineer – Control Systems

SussexDigital; Crawley; On-site; GBP 85,000 - 110,000; Full time

Job summary

Elekta in Crawley is seeking a Senior Software Engineer to design, develop and maintain software for radiotherapy systems. You will work across UI and backend layers using C#, .NET, WPF and C++ in an Agile team to deliver safe, quality software.

You’ll contribute to automated testing, CI/CD and the migration towards containerised microservices, while supporting regulatory compliance and knowledge sharing within the team.

Qualifications

• Degree in Engineering, Computer Science or equivalent practical experience.
• Understand software engineering principles, OO design and SDLC.
• Experience with unit testing, automation and CI/CD practices.
• Work collaboratively within Agile development teams.
• Strong problem-solving skills and a structured approach to delivering high‑quality software.
• Communicate well with a range of stakeholders.

Responsibilities

• Design, develop and maintain software applications used within radiotherapy treatment systems.
• Deliver full stack development using C#, .NET, WPF and C++, across user interfaces, backend services and system integrations.
• Improve software quality through automated testing, code reviews and continuous integration practices.
• Support the migration of applications to containerised and microservices-based environments.
• Contribute to Agile planning, sprint activities and continuous improvement initiatives.
• Support safety-critical software development activities and help meet quality and regulatory requirements.
• Share knowledge, support colleagues and contribute to a positive engineering culture.

Skills

C#

NET

WPF

C++

Unit testing

CI/CD

Agile

Collaboration

Problem-solving

Structured delivery

Education

Engineering degree or equivalent

Computer Science degree or equivalent

Tools

CI/CD

Containerisation

Git

Automation frameworks

Job description

Elekta

Crawley

Elekta is recruiting for the role of Senior Software Engineer – Control Systems. Join a team developing software for radiotherapy treatment systems used in cancer care. The role covers the full software development lifecycle, with work on design, testing, deployment and continuous improvement in an Agile team.

Role details

• Location: Crawley
• Job type: Full time

What you’ll do

• Design, develop and maintain software applications used within radiotherapy treatment systems.
• Deliver full stack development using C#, .NET, WPF and C++, across user interfaces, backend services and system integrations.
• Improve software quality through automated testing, code reviews and continuous integration practices.
• Support the migration of applications to containerised and microservices-based environments.
• Contribute to Agile planning, sprint activities and continuous improvement initiatives.
• Support safety-critical software development activities and help meet quality and regulatory requirements.
• Share knowledge, support colleagues and contribute to a positive engineering culture.

What they’re looking for

• Have a degree in Engineering, Computer Science or equivalent practical experience.
• Understand software engineering principles, object-oriented design and the software development lifecycle.
• Have experience with unit testing, automation and CI/CD practices.
• Work collaboratively within Agile development teams.
• Bring strong problem-solving skills and a structured approach to delivering high‑quality software.
• Communicate well and work effectively with a range of stakeholders.

Additional role information

• The role sits within a collaborative Agile team.
• The work supports advanced radiotherapy systems used in cancer treatment around the world.
• The application should be submitted in English via the Apply button.
• Questions should be sent to [e-mail], and applications are not accepted by email.