Staff AI Enginner

Overview

Position: Staff AI Software Engineer

Department: Platform Engineering

Reports to: Head of Platform Engineering

Location: All - London, Bristol, Amsterdam, Enschede, Berlin, Tel Aviv, Canada

Our platform takes millions of orders every week from customers and companies in 24 countries. Whether they call us Just Eat, or the "that food app", they rely on us for the dishes they love. Our key ingredient isn't food-it's tech. Our platform engineering experts ensure the success of our technical foundation at scale, whether they're running infrastructure, optimizing applications, or building developer tools.

Responsibilities

• Design, build, and maintain scalable AI-powered developer tools and services
• Lead the architecture for LLM integration, prompt frameworks, and vector-based search systems
• Collaborate with product managers, UX designers, and other engineers to define technical solutions
• Champion engineering excellence, setting patterns, reviewing critical code, and enabling high-velocity teams
• Integrate LLMs (like OpenAI, Claude, or open-source alternatives) into developer workflows
• Experience building Agentic AI solutions in production environments
• Experiment with prompt engineering, embeddings, vector search, and fine-tuning techniques
• Drive initiatives to improve developer velocity, quality, and satisfaction
• Act as a multiplier: mentor, unblock, and elevate others across engineering
• Stay current with advances in AI, developer tooling, and software engineering best practices

What will you bring to the table?

• Deep experience in software engineering, with a track record of leading high-impact projects
• Proficiency in languages like Python, C#, or Java
• Experience with AWS and containerized applications (Docker, Kubernetes)
• Expert with REST/gRPC APIs and event-driven systems
• Excellent system design skills and experience architecting complex distributed systems
• Exposure to LLM APIs, vector databases, and basic ML concepts
• Experience with building Agentic AI solutions
• Strong communication and collaboration skills
• Passion for developer experience and building tools that engineers love
• Proven experience mentoring engineers and influencing beyond your immediate team

Nice-to-Haves

• Hands-on experience with OpenAI, Hugging Face, LangChain, or similar frameworks
• Background in AWS AI ecosystem and tools like Bedrock
• Experience with GitHub Copilot or similar
• Contributions to open-source developer tools or AI projects

At JET, this is on the menu

Our teams forge connections internally and work with some of the best-known brands on the planet, giving us international impact in a dynamic environment. Fun, fast-paced and supportive, the JET culture is about movement, growth and celebrating every aspect of our JETers.

Inclusion, Diversity & Belonging

No matter who you are, what you look like, who you love, or where you are from, you can find your place at Just Eat Takeaway. We're committed to creating an inclusive culture, encouraging diversity of people and thinking, in which all employees feel they truly belong and can bring their most colorful selves to work every day.

What else is cooking?

Want to know more about our JETers, culture or company? Our career site has people's stories, blogs, podcasts and more JET morsels. Are you ready to take your seat? Apply now!