Software Engineer jobs in United Kingdom

We’re looking for a Senior Software Engineer (Android / React Native) to join our Sportsbook engineering team. You’ll be working on foundational engineering, focusing on improving the underlying frameworks, tooling, and performance that enable FanDuel to deliver an exciting and innovative customer experience.

Working with our React Native Sportsbook application, you’ll build and optimize select native Android components while also enhancing the core React Native codebase to improve performance and scalability.

We’re looking for skilled engineers who are empathetic communicators with a commitment to continuous improvement and engineering excellence. The ideal candidate will have experience with both React Native and native Android development, able to propose pragmatic solutions for performance optimization, work collaboratively within our technical vision, and contribute to our culture of continuous learning. As a member of this team, you will strengthen the foundations of our mobile platform, enabling FanDuel engineers to deliver features more effectively while maintaining platform quality and best practices.

We are a growth company so there are plenty of opportunities for you to learn & grow with us.

• Developing and maintaining native Android components to support computationally intensive or performance-critical features
• Enhancing the core React Native codebase for the Sportsbook app, focusing on performance, scalability, and maintainability
• Profiling and optimizing app startup and runtime performance across both React Native and native layers
• Breaking down engineering work into incremental, testable deliveries aligned with team priorities
• Supporting continuous improvement initiatives that raise quality and developer effectiveness within the domain
• Joining our on-call rota, sharing out of hours support duties as part of our incident response process

• Significant experience delivering production React Native applications
• Proficiency in Android development with Kotlin, including bridging React Native with native modules
• Knowledge of mobile performance profiling and optimization techniques (startup time, rendering, memory, etc.) especially on the native side
• Familiarity with mobile development best practices, testing, and CI/CD pipelines
• Experience working in Agile teams and contributing to collaborative technical standards
• A quality-focused mindset with strong problem-solving skills and the ability to evaluate trade-offs

• Contribute meaningfully to technical design discussions and propose pragmatic solutions
• Take ownership of delivering performance improvements and shared components end to end
• Mentor and support other engineers in bridging/native usage and performance considerations
• Participate in wider engineering community initiatives and help spread best practices

We treat our team right

From our many opportunities for professional development to our generous insurance and paid leave policies, we’re committed to making sure our employees get as much out of FanDuel as we ask them to give. Competitive compensation is just the beginning. As part of our team, you can expect:

• An exciting and fun environment committed to driving real growth
• Opportunities to build really cool products that fans love
• Career and professional development resources to help you refine your game plan for owning and driving your career and development
• Be well, save well and live well - with FanDuel Total Rewards your benefits are one highlight reel after another

At FanDuel, we give fans a new and innovative way to interact with their favorite games, sports and teams. We’re dedicated to building a winning team and we pride ourselves on being able to make every moment mean more, especially when it comes to your career. So, what does “winning” look like at FanDuel? It’s recognition for your hard-earned results, a culture that brings out your best work—and a roster full of talented coworkers. Make no mistake, we are here to win, but we believe in winning right. That means we’ll never compromise when it comes to looking out for our teammates. From creatives professionals to cutting edge technology innovators, FanDuel offers a wide range of career opportunities, best in class benefits, and the tools to explore and grow into your best selves. At FanDuel, our principle of “We Are One Team” runs through all our offices across the globe, and you can expect to be a part of an exciting company with many opportunities to grow and be successful.

FanDuel Group is the premier mobile gaming company in the United States and Canada. FanDuel Group consists of a portfolio of leading brands across mobile wagering including: America’s #1 Sportsbook, FanDuel Sportsbook; its leading iGaming platform, FanDuel Casino; the industry’s unquestioned leader in horse racing and advance-deposit wagering, FanDuel Racing; and its daily fantasy sports product.

In addition, FanDuel Group operates FanDuel TV, its broadly distributed linear cable television network and FanDuel TV+, its leading direct-to-consumer OTT platform. FanDuel Group has a presence across all 50 states, Canada, and Puerto Rico.

The company is based in New York with US offices in Los Angeles, Atlanta, and Jersey City, as well as global offices in Canada and Scotland. The company’s affiliates have offices worldwide, including in Ireland, Portugal, Romania, and Australia.

FanDuel Group is a subsidiary of Flutter Entertainment, the world\'s largest sports betting and gaming operator with a portfolio of globally recognized brands and traded on the New York Stock Exchange (NYSE: FLUT).

FanDuel is an equal opportunities employer. Diversity and inclusion in FanDuel means that we respect and value everyone as individuals. We don\'t tolerate bias, judgement or harassment. Our focus is on developing employees so that they reach their full potential.

FanDuel is committed to providing reasonable accommodations for qualified individuals with disabilities. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please email Benefits@fanduel.com.

The requirements listed in our job descriptions are guidelines, not hard and fast rules. You don’t have to satisfy every requirement or meet every qualification listed. If your skills are transferable and you are in the ballpark experience-wise, we'd love to speak to you!