Senior Software Engineer

<p><strong>Role</strong></p> <p><strong>About FX Digital</strong></p> <p>FX Digital is a specialist Connected TV agency, providing a wide range of services, including Product Strategy, Design, Engineering, and Test Automation. We partner with global streaming brands such as Discovery+, BritBox, ATP Media, ITV, and Dyn.</p> <p>As a Senior Software Engineer at FX Digital, you take a leading role in shaping the technical direction of our Connected TV and living room experiences.</p> <p>With your extensive experience in application development and web technologies, you will lead technical solutions, mentor team members, and deliver engaging user experiences for large screen devices.</p> <p><strong>Key Responsibilities</strong></p> <ul><li>Engineer and develop responsive, fluid, and data driven user experiences for mobile and large screen devices</li><li>Lead technical solutions for Connected TV, mobile and interactivity across smart devices</li><li>Contribute to product development initiatives that reach hundreds of thousands of users</li><li>Collaborate with product, design, and QA to understand customer needs and structure work for efficient delivery</li><li>Provide technical guidance and inspire the development team to deliver optimised, reliable, and maintainable code</li><li>Mentor team members, supporting them to improve their craft and grow their impact</li><li>Implement tools and processes that support the team’s continuous delivery of value to users</li><li>Provide technical insight in customer meetings, presenting solutions and advising on architectural decisions</li><li>Collaborate with sales and marketing teams to present technical solutions to prospective clients</li><li>Stay current with industry developments by attending relevant events and training to maintain cutting-edge skills</li></ul> <p><strong>Requirements</strong></p> <ul><li>5+ years of professional experience in front-end or full-stack application engineering / development</li><li>Expert knowledge of TypeScript and the Javascript eco-system</li><li>Extensive experience integrating with RESTful APIs, unit testing frameworks, and debugging tools</li><li>Solid grasp of web architecture, including APIs, transfer protocols, and browser internals</li><li>Proficiency with CLI tools (e.g., yarn, npm) and some familiarity with CI/CD pipelines</li><li>Strong leadership, time-management, and communication skills</li></ul> <p><strong>Desirable Skills</strong></p> <ul><li>Passion for efficient code, performance optimisation, and pushing limits of constrained devices</li><li>Experience with video/audio player playback (e.g., <a href="http://hls.js">hls.js</a>), video delivery protocols, DRM</li><li>Experience with WebGL, RxJS, and stream-based programming</li><li>Experience in one or more native and cross-platform development environments Android/Google TV/Kotlin, or iOS/tvOS, React Native</li><li>Bachelor’s degree in Computer Science, Mathematics, or a related field (or equivalent experience)</li></ul> <p><strong>Why work at FX?</strong></p> <ul><li>To recognise everyone’s incredible contribution to the success of the business, we offer an annual profit share</li><li>Personal development is hugely important, so we invest time for you to up-skill, learn and grow</li><li>Personal pension with salary sacrifice, and medical insurance</li><li>Early finish Fridays in the summer</li><li>Flexible working - with the option to work 2 days a week from home</li><li>We appreciate that the world has changed and so we also offer a flexi start time between 8am and 10am</li><li>To ensure that our remote workers don’t miss out on the office experience, we have invested in technology that allows us to run company events in a hybrid way</li><li>Every month you have the option of a one-on-one Sanctus mental health coaching session, a great opportunity to get quality mental health support at work</li><li>Take part in regular company-wide and team-specific socials (both in-person and remote)</li><li>We take great pride in our culture of acceptance, diversity and inclusion</li><li>Complete regular surveys to provide anonymous feedback on the business, leadership team and your role to ensure that we are doing everything we can to keep improving and making FX a great place to work</li><li>Join us at our monthly Show and Tell, where team members update us on what they’ve been working on</li><li>Get nominated for the monthly FX Factor by your peers and get recognised for your contribution to the business</li><li>We are invested in your growth and so we run regular, quarterly appraisals, to ensure you are receiving constant feedback and working towards goals for growth</li><li>We support our team to get involved in conferences, events and trade shows at home and abroad</li><li>Work with epic and prestigious global brands in the media, sport and entertainment space, from Discovery to BBC and ATP Media</li></ul> <p><strong>If you’re passionate about this role and believe you can