Machine Learning Engineer; Generative AI, RAG & Conversational Systems

Team overview

Global Product. We’re the team behind your favourite Sky products, and the platforms that power them. We make every moment magical, everywhere. Our team is made up of self‑motivated, big thinkers who have a knack for solving problems and find new ways to captivate millions of customers by putting them at the heart of everything we do. From Sky Glass, Sky Q, Peacock and NOW to news and sports apps, we make entertainment even better, and can’t wait to get started on what’s next.

• Design, develop and optimise GenAI‑powered search and conversational chatbot experiences that integrate seamlessly into scalable mobile and TV applications used by end users.
• Build retrieval‑augmented generation (RAG) pipelines combining LLMs with structured and unstructured data.
• Optimize relevance, latency, and response quality for interactive UI components.
• Evaluate and improve models using real‑world feedback, analytics and experimentation.
• Collaborate closely with frontend, product and UX teams to embed AI components into user‑facing applications.
• Contribute to system architecture, model selection and deployment strategies.
• Participate in Scrum / agile process.

• Experience with traditional ML systems and GenAI, including proven delivery of GenAI powered search or chatbot solutions in production.
• Solid understanding of Large Language Models (LLMs), vector databases and semantic search, Retrieval‑Augmented Generation (RAG).
• Robust programming expertise, primarily in Python, delivering ML and GenAI solutions with a language‑agnostic mindset.
• Hands‑on use of serverless cloud services (e.g. AWS Lambda best practices).
• Strong team player and communicator with experience in agile, fast‑paced environments.

• Extensive machine learning research background.

• Free SkyTV or NOW package, including Sky Sports and Sky Cinema.
• Pension package with up to 9% employer contribution.
• Private healthcare with mental health support.
• Aviva Digital GP and dental insurance.
• Discounts on Sky products, including Sky Mobile, Sky Broadband, Sky Glass and Sky Protect.
• Sharesave and Tech schemes.
• A range of Sky VIP rewards and experiences.

We’ve adopted a hybrid working approach to give more flexibility on where and how we work. The hybrid working expectations for this role are 2 days in the office per week.

Osterley – Our Sky Group HQ. Equipped with state‑of‑the‑art technology and work spaces, there’s plenty of space to see your big ideas come to life. Here you’ll find 13 subsidised restaurants and cafes. You can re‑energise at our gym, catch the latest films at our cinema, get your car washed and even get pampered at our beauty salon.

Our Osterley Campus is just a 10‑minute walk from Syon Lane train station, or you can get one of our free shuttle buses from Osterley, Gunnersbury and Ealing Broadway stations. Plus, there’s free onsite parking available for cars, motorbikes and bicycles.

We’re Sky, a leading media and entertainment company who connect millions with entertainment, sports, news and arts through innovative products and services. Working with us means you’ll be bringing the joy of a better experience to more people, every day. All so we can do better and deliver better for our customers, colleagues and society.

We are an equal opportunity employer and value diversity at our company. We’re a Disability Confident Accredited Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need as early as you can.