Senior AI Engineer

As Senior AI Engineer you will be the technical practitioner within the AI engineering function leading complex technical delivery of production-grade AI applications whilst mentoring and directing the engineering team.

You will be building AI applications that work at scale: designing and implementing retrieval-augmented generation systems agent workflows automation tools and prompt engineering patterns. Partnering closely with the AI Product Manager (who defines requirements and prioritisation) whilst collaborating with Data Science and ML Engineering functions on model integration.

• Lead technical delivery of complex AI application projects from architecture through production deployment
• Design and build production-grade AI applications including RAG systems agent frameworks intelligent automation tools and decision-support workflows
• Establish and maintain application-level patterns around prompt engineering guardrails human-in-the-loop workflows and content filtering
• Mentor and provide technical guidance to AI Engineers supporting their growth and capability development
• Evaluate emerging AI technologies frameworks and architectural patterns for practical applicability within the organisation
• Ensure non-functional requirements are met across AI applications: latency cost-per-interaction safety content filtering accessibility and graceful degradation
• Collaborate with enterprise architecture to maintain alignment with organisational standards and constraints
• Manage technical debt pragmatically making informed recommendations on build-versus-integrate-versus-buy decisions
• Contribute to governance compliance and risk management for AI product releases
• Drive code quality standards testing practices and engineering discipline within the AI engineering function

Qualifications :

Job Requirements Knowledge & Experience

• Degree in computer science software engineering or related discipline (or equivalent professional experience demonstrating equivalent knowledge).
• Strong software engineering fundamentals: good working knowledge of software design and architecture patterns proficiency in Python and TypeScript/JavaScript API design automated testing and CI/CD practices.
• Proven track record building AI-powered applications in production environments at scale.
• Hands-on experience with large language models foundation models and modern AI application frameworks (LangChain Semantic Kernel or equivalent).
• Practical experience designing and implementing RAG architectures vector databases embedding strategies and retrieval optimisation.

Additional Information :

Additional Information

Worried that you dont meet all the desired criteria exactly

We know that everyone is unique with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive whatever their personal or professional background. If youre excited about this role but your experience doesnt align exactly with every part of the job description we encourage you to apply as you may be the right candidate for this role or another role and our recruitment team can help you see how your skills fit in.

What we offer

We care about our peoples success by offering great pay bonuses up to 28 days off plus bank holidays and paid time for charity work. You can personalise our benefits for you and your family like discounts vouchers a pension plan and loads more. We help with your career through our amazing learning tools and top-notch parental leave policies.

Closing Date: 4th July 2026

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Need to know

We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks including criminal (DBS) and financial checks to meet the regulators standards.

We believe everyone should have the opportunity to interview for a role that matches their collaboration with our Talent Diversity & Inclusion teams and our employee-led DEI Networks we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey for example extended time or breaks in between online assessments a sign language interpreter or assistive technology please contact your recruiter directly or email for guidance.

We use AI in different parts of our business to boost innovation improve efficiency and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews but what we really care about is your unique experiences and achievements.

During the interview we want you to rely on your own knowledge and skills to show us who you really areyour personality creativity and abilities. Above all were looking for authenticity and cant wait to get to know the real you.

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Remote Work :

No

Employment Type :

Full-time