Full Stack Engineer - AI Focused
Willis Towers Watson3 days ago
Cambridge, United KingdomMid Level
Responsibilities
- Define, refine, and deliver the product backlog with the Product Owner.
- Design and build full-stack SaaS software solutions using AI coding tools.
- Write and maintain unit tests, test frameworks, and automated test cases.
- Review and debug code for defects, performance bottlenecks, technical debt, security, and maintainability.
- Define system boundaries, integration patterns, architectural intent, specifications, prompts, and acceptance criteria.
- Orchestrate and supervise AI capabilities and agentic workflows within governed pipelines and quality gates.
- Participate in incident response and harden the platform based on production learnings.
- Collaborate with business stakeholders to measure delivery through user and business outcomes.
- Help the team adopt and govern emerging AI engineering practices and improve shared engineering capability.
Requirements
- Solid full-stack development experience across modern front-end and back-end technologies with cloud/SaaS exposure.
- Strong understanding of software design, testing, and quality fundamentals.
- Experience working in Agile/Scrum teams and collaborating closely with Product.
- Hands-on experience using AI coding assistants or agentic tools in real delivery.
- Ability to write clear specifications and prompts and critically review AI-generated code.
- Curiosity, self-direction, adaptability, and strong problem-solving ability, including an interest in statistics and algorithm development.
- General insurance industry knowledge and degree-level education in a relevant discipline are desirable but not essential.
Benefits
- 25 days of annual leave plus one additional WTW day.
- Private healthcare, life insurance, group income protection, and regular health assessments.
- Defined contribution pension with company-matched contributions up to 10%.
- Hybrid working options, an employee assistance programme, and a fully paid volunteer day.
- Optional electric vehicle car scheme, share scheme, cycle-to-work programme, dental and optical cover, critical illness protection, and other perks.
Categories
About Willis Towers Watson
WTW is a global advisory, broking, and software firm serving employers, insurers, and institutional clients across people, risk, and capital. It provides insurance brokerage and risk advisory, employee benefits and pensions consulting, and HR/benefits administration software and analytics. Headquartered in London and listed on NASDAQ (WTW), the company was formed in 2016 via the Willis Group–Towers Watson merger and operates in roughly 140 markets worldwide.