Software Engineer

As part of our commitment to supporting employees affected by change, we are prioritising internal redeployment opportunities for those whose roles are directly impacted. By limiting the pool of applicants to those affected by a specific change, we aim to give these individuals the best opportunity to continue their careers with Flutter. This is common business practice and aligned with our values.

Your tribe

The Sports Super Tribe is comprised of 5 self-sufficient tribes, encompassing over 60 squads of Engineers, QA, and associated roles across Porto, Dublin and Leeds. Together, we are dedicated to delivering fast, distinctive, dynamic, and trusted sports betting experiences, each tribe driven by a clear vision to develop best-in-class customer experiences.                

Your team

Our expert team of .Net developers work closely with our team of quantitative analysts and traders to solve complex modelling problems. This includes simulating full sporting events using cutting-edge data science techniques and doing so thousands of times in milliseconds. We build large-scale, parallel, high-throughput pricing systems that calculate thousands of odds across different sporting events for our customers around the globe. We are currently looking to grow this team with experienced Software Engineers who are as excited about this stuff as we are. This is a demanding and rewarding role for a developer focused on performant back-end systems.

What you’ll do

• Design, develop, and maintain high-performance backend applications in C#

• Optimise code for concurrency, low latency, and large-scale parallel execution

• Collaborate with quants and analysts to understand and deliver on modelling requirements

• Support and monitor production systems – this includes joining an on-call roster where you may get call-outs 24x7

• Help us update our existing infrastructure – moving code from .NET to .NET Core, and migrating from legacy infrastructure to AWS

• Work within a Scrum team, contributing to Agile ceremonies and owning your team’s delivery

• Ensure robust testing (unit, integration, end-to-end) and support CI/CD processes

How you’ll do it

• Proven experience writing and optimising performance-critical applications in C#

• Expertise in parallel and multi-threaded programming (TPL, async/await, synchronisation)

• Experience with .NET Core and working in Linux-based environments

• Passionate in optimising existing legacy systems to move to a standardised, modern toolset

• Familiarity with mathematical modelling, probability theory, or statistics

• Experience using (or willingness to learn) R and/or Python for data science

• Exposure to build pipelines and automated production deployment systems

• Experience with automated unit, integration and end-to-end testing

• Knowledge of Soccer and the systems used in Pricing & Trading is a major advantage

• Strong familiarity with CI/CD tools like Jenkins or ArgoCD

• Practice developing distributed systems

• Practical experience with AWS

• Familiarity with message queues: Kafka and RabbitMQ

What’s on offer 

• £/€1,000 learning fund 

• Twice-yearly bonus (with part of it guaranteed!) 

• Unlimited Holiday 

• Pension contribution scheme 

• Private healthcare 

• Hybrid Working -

• Access to thousands of Udemy courses 

• Invest via the Company Sharesave Scheme 

About Flutter UK & Ireland 

Our division operates four of the most popular and trusted brands in the market: Sky Betting and Gaming, Tombola, Betfair and Paddy Power.  

Together the Flutter UK&I brands offer market leading entertainment to millions of customers every single week! Over the last couple of decades, they have all ridden the wave of digital betting with industry firsts like ‘cash-out’, ‘Request a Bet’, betting exchanges and free to play games like Soccer Saturday Super 6.  

Working here 

Do you want to work somewhere extraordinary? From the people you spend your days with, to the ground-breaking projects, no two days will be the same. 

With a philosophy of ‘Together We Are More’ our 7,000+ colleagues come together to form an expert community across technology, product, commercial, data, infrastructure, marketing, and a myriad of subject areas.  

We listen without judgement, encourage & support, and help build others up. Working at Flutter UK&I means you can be yourself, work how and where suits you best -and let your personality shine! 
 

We’re working to be an inclusive employer, and we encourage people from all backgrounds, ways of thinking and working to apply. Everyone brings different perspectives and experiences; you don't have to meet all the requirements listed to apply for this role.  

If you need any adjustments to make this role work for you let us know, and we’ll see how we can accommodate them.