Senior AI Agent Developer
Department: Applied R+D
Employment Type: Permanent - Full Time
Location: London
Reporting To: Martha Tsigkari
Description
As a Senior AI Agent Developer at Foster + Partners, you will help shape the next generation of AI-enabled tools for the built environment. Working within the Applied Research + Development team and reporting to the Head of Applied Research and Development, you will develop production-grade AI agents and integrations that connect with design and business systems, including Revit and Rhino/Grasshopper. This is a hands‑on opportunity to influence our AI platform strategy, collaborate with developers and domain experts, and deliver innovative solutions that support digital transformation across the practice.
This role is ideal if you want to:
- Build AI agents and tool integrations that operate within complex design and business applications.
- Develop production workflows using Microsoft 365 Copilot, Copilot Studio and emerging agent technologies.
- Work alongside experts in architecture, engineering and digital innovation to solve challenging real‑world problems.
- Define standards, processes and evaluation frameworks for enterprise AI solutions.
- Contribute to the growth of a shared AI platform that supports teams across the practice.
What you will bring to the team:
- A degree in Computer Science, Computational Design or equivalent professional experience.
- Experience integrating with complex desktop or enterprise software through APIs or plugin SDKs.
- Strong programming capability in TypeScript/Node.js or C#/.NET, with the confidence to work across both environments.
- Production experience building LLM agents that perform real actions through tool calling, orchestration and error recovery.
- Experience developing MCP servers or equivalent agent tool integrations and familiarity with the Model Context Protocol.
- Knowledge of automated evaluation, observability and monitoring practices for AI systems, including trace and metric analysis.
- An understanding of OAuth 2.0/OIDC, AI security considerations and the importance of handling confidential information responsibly.
What we offer:
- private medical insurance for you and your family
- life assurance
- personal travel insurance
- access to a range of wellbeing support, comprising virtual GP services, mental health support and lifestyle coaching
- discount programmes for various retailers
- On our London campus, we have subsidised catering facilities and host regular social events, and sports activities, for everyone to enjoy.
- To support you in building a meaningful career, the practice offers opportunities to develop both your technical and non-technical skills through continuous learning, professional development support, and knowledge sharing and insights from experienced colleagues.
If our designs spark your curiosity and you would like to contribute to solving complex challenges with local and global impact, we invite you to join our team. You’ll be challenged and inspired, collaborating on extraordinary projects in an environment designed to cultivate excellence.
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Senior AI Agent Developer employer: Foster + Partners
Foster + Partners is an exceptional employer that champions innovation and excellence in fire safety engineering. Located in London, the company fosters a collaborative work culture with a strong emphasis on professional development, offering extensive benefits such as private medical insurance, wellbeing support, and opportunities for continuous learning. Join a diverse team dedicated to shaping impactful designs while enjoying a vibrant workplace filled with social events and activities.
