Senior AI Engineer designing and delivering AI systems for Xelix, transforming financial controls through automation. Leading AI solutions combining machine learning and engineering practices in a fast-paced environment.
Responsibilities
Design and lead end-to-end AI systems from problem framing to production deployment
Architect complex agent-based workflows and multi-step reasoning systems
Make decisions on model selection, fine-tuning, and appropriate approach
Define evaluation frameworks, metrics, and feedback loops for reliability
Ensure systems are scalable, observable, and robust in production environments
Mentor other engineers and influence technical direction
Drive effective use of AI tooling to improve productivity
Requirements
5+ years building and deploying ML or AI systems
Strong System Design Skills
Deep AI Expertise with LLM systems or traditional ML
Pragmatism in approach to problem-solving
Experience designing and using evals to drive system improvements
Engineering Excellence with high standards for code quality, testing, and maintainability
Leadership & Mentorship experience
Strong ability to leverage AI-assisted development tools effectively
Benefits
27 days of annual leave (including 3 days Christmas closing)
On-site gym and cycle to work scheme
Employee discount at over 100 retailers
Comprehensive private medical & dental cover with Vitality
Enhanced parental leave pay
Learning & development culture – £1,000 personal annual budget
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