Full Stack Engineer
Willis Towers Watson3 days ago
Reigate, United KingdomMid Level
Responsibilities
- Define, refine, and deliver the product backlog with the Product Owner.
- Design and build software solutions that meet functional and non-functional requirements.
- Write and maintain unit tests, test frameworks, and automated test cases.
- Review and debug code to identify defects, performance bottlenecks, and technical debt.
- Participate in planning, stand-ups, retrospectives, and continuous improvement of engineering practices.
- Participate in incident response and harden the platform based on production learnings.
- Partner with business stakeholders to understand needs, challenge assumptions, and measure business and user outcomes.
- Define system boundaries, integration patterns, architectural intent, specifications, and acceptance criteria.
- Review AI-generated work for correctness, security, maintainability, and design fit.
- Compose and supervise AI capabilities and agentic workflows within governed pipelines and quality gates.
- Share reusable engineering practices and help the team adopt and govern emerging AI development approaches.
Requirements
- Solid full-stack development experience across modern front-end and back-end technologies, with cloud or SaaS exposure.
- Strong understanding of software design, testing, and quality fundamentals.
- Experience working in Agile or 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 and self-direction regarding emerging AI engineering practices.
- Comfort with ambiguity, change, complex problem solving, statistics, and algorithm development.
- T-shaped engineering capability with both depth and breadth across the software lifecycle.
- General knowledge of the insurance industry and degree-level education in a relevant discipline are desirable but not essential.
Benefits
- 25 days of annual leave plus an additional WTW day.
- Private healthcare, life insurance, group income protection, and regular health assessments.
- Defined contribution pension scheme 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, and critical illness protection.
- Application, interview, and workplace adjustments and accommodations are available; the role is based in a hybrid working arrangement.
Categories
About Willis Towers Watson
At WTW (NASDAQ: WTW), we provide data-driven, insight-led solutions in the areas of people, risk and capital. Leveraging the global view and local expertise of our colleagues serving 140 countries and markets, we help you sharpen your strategy, enhance organizational resilience, motivate your workforce and maximize performance.