We believe in better. And we make it happen.Better content. Better products. And better careers.Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate.We turn big ideas into the products, content and services millions of people love.And we do it all right here at Sky.What You'll DoAs a Senior Lightning.js Engineer on the My Sky team, you will:

• Design, build, and evolve core features of the My Sky app and platform, which run directly on Sky's TVs and streaming devices.
• Lead technical delivery across features and components, ensuring architectural consistency, performance, and code quality.
• Leverage your deep experience with Lightning.js (built on JavaScript/TypeScript) to craft highly performant, memory-efficient, and visually engaging TV applications.
• Act as a subject matter expert for Lightning.js - mentoring engineers, reviewing designs, and setting standards for UI performance and maintainability.
• Develop and refine application architecture to ensure scalability across millions of devices.
• Drive end-to-end quality by creating and enforcing Unit, Integration, and E2E testing strategies.
• Collaborate cross-functionally with product, design, and QA to deliver exceptional user experiences and maintain platform stability.
• Take ownership of production support, ensuring swift investigation and resolution of live issues through established support and release processes.
• Champion best practices in architecture, software engineering, observability, and performance optimisation.
• Contribute to technical direction, identifying and implementing improvements to tooling, workflows, and development frameworks.

What you'll bring

• Extensive experience developing Lightning.js applications for TV or embedded platforms.
• Strong recent experience with JavaScript, TypeScript and Node.JS.
• Proven track record building high-quality, performant, and testable applications at scale.
• Deep understanding of UI performance optimisation, UI rendering and memory management in constrained environments.
• Strong grasp of software engineering principles, modular architecture, and design patterns.
• Experience leading technical design and mentoring other engineers.
• Proficient in unit, integration, and E2E testing frameworks and practices.
• Familiarity with DevOps practices, CI/CD pipelines, cloud services, data structures and cybersecurity fundamentals.
• A proactive approach to code reviews, technical discussions, and driving continuous improvement across teams.

Team overviewMy SkyWe are part of a suite of products known as Entertainment OS (EntOS) - a fully-fledged IPTV platform that powers media organisations around the world, from Sky in Europe to Comcast Xumo in the US.Our product, My Sky, is the software inside TVs and streaming boxes, that global audiences use to discover and experience content.My Sky allows customers to view and purchase first and third party customer journeys, such as Netflix, Disney+ and key Sky products, along with managing their subscriptions, bills and pin.The rewards There's one thing people can't stop talking about when it comes to : the perks. Here's a taster:

• Sky Q, for the TV you love all in one place
• The magic of Sky Glass at an exclusive rate
• A generous pension package
• Private healthcare
• Discounted mobile and broadband
• A wide range of Sky VIP rewards and experiences

Inclusion & how you'll workWe are a Disability Confident 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 to your recruiter as early as you can.We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process.Your office space Osterley: Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There's also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next.But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet.If you believe in better, we'll back you all the way.Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.