AI Tech Lead
Willis Towers Watson4 days ago
Lisbon, PortugalStaff+
Responsibilities
- Lead the technical design of AI initiatives from architecture and prototyping through production deployment.
- Design scalable Generative AI and agentic solutions using Microsoft Foundry, Azure, RAG, AI agents, prompt engineering, and multimodal AI.
- Determine when to use AI, low-code automation, conventional code, or a combination of these approaches.
- Design enterprise data usage, security, access controls, reusable AI blueprints, architecture patterns, and technical guidelines.
- Define practices for designing, versioning, testing, evaluating, documenting, deploying, monitoring, and sharing agent skills.
- Own platform foundations including environments, CI/CD, security, and cost control.
- Embed security, Responsible AI, and governance requirements into architecture and development practices.
- Review and challenge solution designs, code, and production readiness.
- Support feasibility assessments, prioritization, portfolio planning, and communication of technical trade-offs and risks.
- Mentor engineers and serve as the technical point of reference for complex delivery challenges.
Requirements
- Degree in Computer Science, Computer Engineering, Mathematics, or a related discipline, or equivalent practical experience.
- 8+ years of experience in software engineering, AI/ML engineering, low-code automation, or solution architecture.
- 2+ years of hands-on Generative AI delivery and technical leadership at team level.
- Hands-on experience designing and delivering production Generative AI solutions involving LLMs, RAG, AI agents, and evaluation.
- Strong programming skills in Python; C#/.NET, TypeScript, or similar languages are advantageous.
- Experience with cloud platforms, with Microsoft Azure strongly preferred.
- Experience with data engineering and integration, including APIs, event-driven architecture, message queues, databases, and data pipelines.
- Experience defining architecture standards, AI governance, or engineering practices at team or department level.
- Familiarity with secure AI design, Responsible AI practices, and AI risk management.
- Ability to mentor colleagues, promote knowledge sharing, and present clearly to senior stakeholders.
- Excellent written and spoken English is mandatory.
- Experience with Microsoft Foundry, Azure OpenAI, Microsoft Fabric, Fabric IQ, Agent Skills, Power Platform, or Copilot Studio is desirable.
- Knowledge of retirement, pensions, or financial services is desirable.
Benefits
- Flexible working hours and hybrid working options.
- Performance-related remuneration system.
- Global exposure through an international consultancy and renowned clients.
- Career development through on-the-job learning and specialist training.
- Collaborative, collegial, and appreciative working environment.
- Direct customer contact and opportunities to take on responsibility and make an impact.
- Corporate events and success celebrations.
Tech Stack
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.