Frontend Software Developer, In-Play

We’re one of the world’s leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 10,000 people and serve over 120 million customers in 26 languages.

We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of growth opportunities, giving them the opportunity to make a real impact in the world of online gambling. As a forward-thinking company, we’re breaking new ground in software innovation too, redefining what’s possible for our global worldwide.

Our focus on In-Play betting has solidified our market-leading position, featuring more than 1.38 million In-Play sporting events a year. With over 750 concurrent sporting fixtures at peak and more live sports streamed than anyone else in Europe (750,000), we handle over 6 million HTTP requests daily and process more than 1.5 million bets per hour at peak.

Shape real-time sports experiences for millions of global users as a Frontend Software Developer, In-Play, building ultra-responsive and scalable digital products.

The Sports Platform department engineers the high-capacity technology driving live digital entertainment across global markets. Operating within this area, the In-Play team delivers responsive, scalable front-end systems that handle immense transactional volumes during live sporting events around the clock.

In this role, software development focuses on crafting intuitive, high-performance interfaces and low-latency client features like Match Live and Live Streaming. The work involves solving complex technical challenges, refining modular UI architectures and collaborating across engineering disciplines to deliver seamless digital experiences.

This role is eligible for inclusion in our hybrid work from home policy.

• Strong expertise in React, TypeScript, JavaScript, HTML5 and CSS
• Proven background in building and maintaining UI for complex, high-traffic web applications
• Proven track record designing front-end architectures that support low-latency, highly available services
• Practical experience working with high-volume real-time data streams and event-driven systems
• Familiarity with back-end technologies including Golang, C#, .NET, Java, C++ or C
• Working knowledge of Scrum and agile software delivery frameworks
• Understanding of CI/CD pipelines, automated build processes and modern developer tooling
• Decisive technical judgement when evaluating trade-offs and implementing practical solution designs
• Working knowledge of AI tools and their application in accelerating modern software engineering

• Build and release resilient new features across high-traffic web applications
• Maintain high engineering standards by producing clean, scalable and modular code
• Identify technical optimizations that enhance client-side performance, responsiveness and code quality
• Collaborate with Product Owners to provide technical insight, feasibility assessments and delivery estimates
• Evolve the existing codebase to support ongoing platform scalability and feature development
• Partner with quality assurance specialists during test automation and release validation phases
• Contribute to architectural discussions, solution designs and strategic technical decisions
• Produce realistic effort estimates and delivery roadmaps for upcoming engineering changes

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At bet365, we're committed to creating an environment where everyone feels welcome, respected and valued. Where all individuals can grow and develop, regardless of their background. We're Never Ordinary, and we're always striving to be better. If you need any adjustments or accommodations to the recruitment process, at either application or interview, please don’t hesitate to reach out.