Software Engineer – Flutter UK & Ireland
Join our Sports Super Tribe to design and develop high‑performance back‑end systems for global sports betting. The role is based in Dublin, County Dublin.
Your Team
Our expert team of .NET developers works closely with quantitative analysts and traders to solve complex modelling problems, simulate sporting events, and build large‑scale, parallel, high‑throughput pricing systems on AWS. We seek experienced Software Engineers who are passionate about 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 – including joining an on‑call roster with 24x7 call‑outs
* Help update existing infrastructure by moving code from .NET to .NET Core and migrating legacy systems 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
* Passion for optimising 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 week, riding the wave of digital betting with industry firsts like ‘cash‑out’, ‘Request a Bet’, betting exchanges, and free‑to‑play games such as 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’, over 7,000 colleagues come together across technology, product, commercial, data, infrastructure, marketing, and a myriad of subject areas. We listen without judgement, encourage and 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!
Inclusion and Accessibility
We’re working to be an inclusive employer and encourage people from all backgrounds, ways of thinking, and working styles 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.
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