Software Developer jobs in United Kingdom

Purpose of the role:

Senior Software Engineer will play a crucial role in the development and implementation of cutting‑edge artificial intelligence products. The responsibilities of this role will involve designing and developing artificial intelligence systems that will be integrated into existing processes.

Candidate should be a strong software engineer with AI & Gen AI experience, building data pipelines leveraging LLMs or other machine learning models. Ideal candidate will have expertise for designing and implementing Gen AI focused applications.

• Languages: Proficient in Python and SQL, exposure to Terraform desirable.
• Cloud Services: Extensive experience developing solutions using a cloud provider, AWS preferred.
• AI/ML: NLP Experience required, preferably in the context of LLMs. Experience with AI Agents and associated frameworks (e.g. Strands)/protocols (MCP/A2A) desirable.
• Software Engineering: Experience writing and testing backend servers that utilise AI in conjunction with software engineering best practices is preferred.
• Tooling: Experience with Database management systems, a Python based backend framework such as Fast API, AWS Bedrock or equivalent services, and version control systems is mandatory.
• Testing: Experience building testing frameworks to evaluate model performance, both automated and in collaboration with end users.
• System Design: Understanding of how full software products connect and implications when developing mandatory. Experience creating software following an event driven architecture desired.

• Experience: Total engineering experience of at least 4 years with 2 years' experience in relevant role
• Communication: Clear communication skills with stakeholders and other engineers regarding project timelines, delays, advancements, and progression
• Ethical Oversight: Understanding of Engineering ethics, AI creation ethics
• Ownership: Strong time management skills, and dedication to high-quality work output
• Collaboration: Ability to work in a team and Effective communication skills to collaborate with diverse teams.
• Continuous Innovation: Outstanding analytical and problem‑solving skills. Excellent problem‑solving abilities and a passion for innovation.
• Excellent communication and interpersonal skills, and the ability to work effectively with all organisational levels, both internally and externally
• A strong team player
• Ability to complete their work with no supervision and given their good technical competencies they can pick up a problem / tasks and complete it on their own.
• Complete all mandatory role‑based training, infosec trainings and computer‑based trainings as applicable.
• Continuous Learning by keeping up‑to‑date and acquiring relevant skills/certifications.

Capita is a dynamic leader in consulting and digital services, helping some of the UK’s most recognised organisations transform and thrive. We use cutting‑edge technology and fearless innovation to create smarter, more efficient solutions that make a real difference. Our work spans diverse sectors‑government, healthcare, education, and finance‑offering you the chance to contribute to projects that impact millions of lives. At Capita, you’ll be part of a collaborative, forward‑thinking team that values creativity, growth, and inclusion.

We’re committed to your development and success, providing opportunities to learn, progress, and shape better outcomes for customers and communities. If you’re ready to make an impact and grow your career, Capita is the place for you.

Check out our website www.capita.com

• A competitive basic salary
• 23 days’ holiday (rising to 27) with the opportunity to buy extra leave
• The opportunity to take a paid day out of the office, volunteering for our charity partners or a cause of your choice
• Company matched pension, life assurance, a cycle2work scheme, 15 weeks’ fully paid maternity, adoption and shared parental leave, paternity pay of two weeks...and plenty more
• Voluntary benefits designed to suit your lifestyle - from discounts on retail and socialising, to health & wellbeing, travel and technology Access to our Employee Network Groups, which represent every strand of diversity and allow colleagues to connect and learn from each other on an open, inclusive platform

Choose 'Apply now' to fill out our short application, so that we can find out more about you.

We are committed to building a workforce that reflects the diversity of the communities we serve. As part of our strategic goals, we are focused on accelerating gender and ethnic representation in leadership roles. We warmly encourage applications from women and individuals from Black, Asian, and other ethnic minority backgrounds.

We're an equal opportunity and Disability Confident employer, which means we recruit and develop people based on their merit and passion. We're committed to providing an inclusive, barrier‑free recruitment process and working environment for everyone. If you need the job description or application form in an alternative format (such as large print or audio), or if you'd like to discuss other changes or support you might need going forward, please email reasonableadjustments@capita.com and we'll get back to you. For more information about equal opportunities and process adjustments, please visit the Capita Careers website.