Senior Fullstack Software Engineer - .NET (C#) & React

Sky
Osterley · posted 11 September 2026
Job type
full time
Location
Osterley
Category
Software & data

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We   don’t   just believe in better. 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, Sky Stream 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.    

Role/Team overview    

Content Technology and Innovation   
Our Content Technology and Innovation team delivers high-quality content to homes, customer devices,   businesses   and commercial partners across our European markets. With over 2500 colleagues from around the world, we combine our strategic insights, engineering   know-how   and operational excellence to use the most innovative technologies to create and distribute our award-winning content.  

This is an exciting opportunity to join the Content Platforms team at Sky .   As a Software Engineer you will be working with a dedicated and talented team, building and supporting mission critical systems that help ensure all our amazing content reaches our customers on products such as Sky Q, Sky Glass, Sky Go and NOW.  

What   you’ll   do    

  • Help to build Cloud based services and applications that form part of our Group Content Platform .    

  • Participate in all stages of the software development lifecycle, from  initial  analysis & design to implementation ( using C# & Java ) and post launch support.   

  • Enhance and support existing production applications/platform and once sufficiently trained, provide support for production services .    

  • Responsible for helping shape and contributing to the technical direction, while delivering day-to-day in a delivery team.   

  • Collaborate with analysts, developers and testers within a dynamic scrum team and be actively involved in all aspects of the agile delivery cycle.   

  • Manage and coach team members and offer advice and guidance around design, architectural decisions, and code quality.  

What   you’ll   bring     

Essential criteria:     

  •   Extensive   system  development knowledge  with .NET (C#) and/or Java, SQL (e.g., Oracle, SQL Server) and NoSQL (e.g., Couchbase, MongoDB).   

  • Applied knowledge of  software engineering best practice  and  software   development methodologies  (e.g., Scrum, design patterns, SOLID principles, Test Driven Development, Object Oriented design and implementation, APIs (REST etc.)).   

  • Experience in software architecture and system design, with a strong understanding of scalability, maintainability, and technical trade-offs.   

  • Applied knowledge of JavaScript,  web front-end technologies  (React/Redux, node.js etc.).   

  • Knowledge of using/setting up  automated CI/CD pipelines  (e.g., Concourse, Jenkins, Docker, Kubernetes etc.), as well as experience with configuration and build tools (e.g., Concourse, Jenkins,  TeamCity  and GitHub).   

  • Hands-on experience working with  automated testing frameworks  (e.g.  Pytest , Groovy, Spock, Playwright etc.).   

  • Experience working with systems that communicate asynchronously using  message-oriented-middleware  such as ActiveMQ or Kafka as well as familiarity with  monitoring tools  such as Prometheus and Grafana.   

Desirable skills and experience:    

  •   Senior only: Proven mentoring experience with excellent communication  skills  and  the ability to quickly adapt to unfamiliar domains and technologies and a strong drive to continuously improve the systems we work with .    

Benefits and   perks    

There's   one thing people   can't   stop talking about when it comes to life at Sky: the   perks .   Here’s   a taster:     

  • Free Sky TV 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     

How   you’ll   work    

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.    

Your office base     

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 .    

Who we are    

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 ’ re   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.   

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.      

To be eligible for this role you   are required to   have the   appropriate right   to work in the UK. Please be aware Sky does not offer sponsorship for this position.  

To find out more about working with us, search   #LifeAtSky   on social media.    

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