Full Stack Engineer

Full Stack Engineer – Willis Re

Willis Re is building its global technology estate from the ground up, unencumbered by legacy. We are looking for a Full Stack Engineer to build the products that power our reinsurance broking, analytics, and client‑facing platforms. This is a hands‑on engineering role for someone who enjoys working across the whole stack and is equally comfortable building conventional services and AI‑enabled features.

• Design, build, and ship end‑to‑end features from APIs and services to responsive user interfaces.
• Develop and run cloud‑native applications on Microsoft Azure using PaaS, containers, and infrastructure‑as‑code.
• Consume data through APIs to surface it in performant ways for brokers and analysts.
• Build AI‑enabled product features using retrieval‑augmented generation, tool and API integration, evaluation, and human‑in‑the‑loop design.
• Use and promote AI‑assistant engineering tools such as Claude Code or Claude Cowork.
• Integrate with external market platforms, carrier‑ and client‑systems, and SaaS products via API‑first and event‑driven patterns.
• Apply test‑driven development and secure‑coding practices, including authentication, authorisation (EntraID, OAuth
  2.0), data protection, and privacy.
• Collaborate on architectural standards, participate in design discussions, review code, and mentor teammates in a green‑field environment.

• 10+ years of professional software engineering experience, shipping and maintaining production systems end‑to‑end.
• Experience in insurance, reinsurance, or financial services is desirable.
• Strong backend skills in C#/.NET or Python, API design, and SQL.
• Proficiency with modern front‑end frameworks (React or Angular) and Type Script.
• Hands‑on experience with Azure, CI/CD (Azure Dev Ops  or Git Hub Actions ), and Terraform.
• Knowledge of microservices, event‑driven, and API‑led design; security fundamentals (OAuth
  2.0, OIDC, EntraID, RBAC).
• Strong SQL performance awareness and relational database experience.
• Experience or strong interest in LLM‑based AI solutions, agentic patterns, prompt design, and evaluation.
• Fluency in test‑driven development, automated testing, clean design, and judgement about keeping things simple.
• Excellent communication skills for explaining technical trade‑offs to product stakeholders and delivery partners.

$180,000–$% bonus

Health and welfare benefits, paid time off, 401(k) savings and other retirement programs, employee assistance programs.

We provide equal opportunity to all qualified individuals regardless of race, colour, religion, age, gender, gender expression, national origin, veteran status, disability, orientation, or any other legally protected category.

Willis Re combines specialist broking with analytics, modelling and research to help insurers optimise risk transfer, strengthen balance sheets and achieve sustainable growth. Our approach is relationship‑driven, transparent and outcome‑focused. At the heart of Willis Re lies a focus on delivering the most cutting‑edge analytical solutions to enable better decision‑making for risk selection, portfolio optimisation and capital management.