Fanatics
Senior Staff Engineer Tech Lead- iCasino (UK - Remote) United Kingdom (Remote) Job Description As a Senior Staff Engineer Tech Lead at Fanatics, you are both a hands-on technical expert and a driving force behind the success of your team. You lead by influence-aligning engineers, product managers, designers, and backend partners to deliver exceptional customer-facing experiences with speed, quality, and purpose. You combine deep technical expertise with strong communication and relationship-building skills to guide the team through complex challenges, balance priorities, and maintain a high-performing, well-oiled product. You will operate at both strategic and implementation levels-owning, designing and evolving robust Backend-For-Frontend (BFF) solutions that power personalisation and content delivery across our platforms. You are responsible for the scalability, performance, and long-term technical direction of the BFF layer that enables our mobile and web client experiences, while fostering collaboration across organizations to move the business forward. Your leadership sets the tone for excellence, reliability, and teamwork. We own the iCasino experience across Fanatics platforms-including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. Each of these experiences is powered by Kotlin Multiplatform, and the BFF plays a critical role in delivering high-quality, consistent, and fast-paced innovation across all ecosystems. Our ambition is to build the top online casinos in the U.S-fun, dynamic, personalised, entertainment-focused products built with cutting-edge mobile technology. Responsibilities Lead the team in delivering high-impact customer-facing capabilities within the BFF, maintaining platform quality, guiding engineers through technical and execution decisions. Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery. Drive the design, development, testing, and deployment of high quality, stable and scalable BFF services in Java and Kotlin that power Android, iOS, and web experiences. Balance short-term delivery needs with long-term architectural vision, ensuring maintainable, performant, and reusable service patterns. Lead feature delivery end-to-end, from ideation through launch and iteration, ensuring quality and velocity across platforms. Set and uphold engineering standards, development principles, and best practices for API design, service architecture, and BFF patterns. Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison. Participate in sprint planning, architecture discussions, and design reviews, contributing technical insight and organizational leadership. Drive operational excellence-monitoring reliability, test coverage, and observability, and ensuring issues are resolved with ownership and urgency. Mentor engineers across multiple levels and platforms, modeling proactive communication, problem-solving, and accountability. Be open to occasional travel to Fanatics offices or events for planning, collaboration, and team-building activities. Required Qualifications More than 10 years of experience building and maintaining production distributed systems. Deep expertise in Java and/or Kotlin and Spring Boot, with experience designing scalable APIs and service layers. Experience building or evolving Backend-for-Frontend (BFF) or client-facing service architectures. Experience partnering closely with mobile or web client teams to deliver performant, user-centric APIs. Demonstrated ability to lead cross-functional efforts and drive execution across teams without direct authority. Excellent communication and collaboration skills-able to translate technical strategy into clear, actionable team direction. Proven success in Agile/SCRUM environments, balancing delivery speed with quality. A hands-on builder with a team-first mindset and a passion for coaching and elevating others. A Bachelor's degree, or professional certification, or a combination of education and experience Preferred Qualifications Production experience with Kotlin in backend systems, or demonstrated interest in adopting Kotlin where appropriate. Experience in sports, gaming, fintech, or other regulated, high-velocity environments. Passion for developer experience, performance optimization, and platform tooling. Strong focus on clean API design, service maintainability, and scalable architecture patterns. Not sure if you check every box? If you're excited about this role, Kotlin Multiplatform, and building best-in-class mobile experiences, we encourage you to apply-even if you don't meet every single qualification. We value passion, curiosity, and a growth mindset, and we believe great engineers come from diverse backgrounds and paths. Please note, you do need to be living in the UK for this position and we do NOT offer sponsorship. About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally. About the Team Launched in 2021, Fanatics Betting and Gaming is the online and retail sports betting subsidiary of Fanatics, a global digital sports platform. The Fanatics Sportsbook is available to 95% of the addressable online sports bettor market in the U.S. Fanatics Casino is currently available online in Michigan, New Jersey, Pennsylvania and West Virginia. Fanatics Betting and Gaming operates twenty-two retail sports betting locations, including the only sportsbook inside an NFL stadium at Northwest Stadium. Fanatics Betting and Gaming is headquartered in New York with offices in Denver, Leeds and Dublin. Job Info Posting Date 03/03/2026, 09:03 PM Locations Richmond House, Leeds, LS16 6QY, GB (Remote)
Senior Staff Engineer Tech Lead- iCasino (UK - Remote) United Kingdom (Remote) Job Description As a Senior Staff Engineer Tech Lead at Fanatics, you are both a hands-on technical expert and a driving force behind the success of your team. You lead by influence-aligning engineers, product managers, designers, and backend partners to deliver exceptional customer-facing experiences with speed, quality, and purpose. You combine deep technical expertise with strong communication and relationship-building skills to guide the team through complex challenges, balance priorities, and maintain a high-performing, well-oiled product. You will operate at both strategic and implementation levels-owning, designing and evolving robust Backend-For-Frontend (BFF) solutions that power personalisation and content delivery across our platforms. You are responsible for the scalability, performance, and long-term technical direction of the BFF layer that enables our mobile and web client experiences, while fostering collaboration across organizations to move the business forward. Your leadership sets the tone for excellence, reliability, and teamwork. We own the iCasino experience across Fanatics platforms-including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. Each of these experiences is powered by Kotlin Multiplatform, and the BFF plays a critical role in delivering high-quality, consistent, and fast-paced innovation across all ecosystems. Our ambition is to build the top online casinos in the U.S-fun, dynamic, personalised, entertainment-focused products built with cutting-edge mobile technology. Responsibilities Lead the team in delivering high-impact customer-facing capabilities within the BFF, maintaining platform quality, guiding engineers through technical and execution decisions. Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery. Drive the design, development, testing, and deployment of high quality, stable and scalable BFF services in Java and Kotlin that power Android, iOS, and web experiences. Balance short-term delivery needs with long-term architectural vision, ensuring maintainable, performant, and reusable service patterns. Lead feature delivery end-to-end, from ideation through launch and iteration, ensuring quality and velocity across platforms. Set and uphold engineering standards, development principles, and best practices for API design, service architecture, and BFF patterns. Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison. Participate in sprint planning, architecture discussions, and design reviews, contributing technical insight and organizational leadership. Drive operational excellence-monitoring reliability, test coverage, and observability, and ensuring issues are resolved with ownership and urgency. Mentor engineers across multiple levels and platforms, modeling proactive communication, problem-solving, and accountability. Be open to occasional travel to Fanatics offices or events for planning, collaboration, and team-building activities. Required Qualifications More than 10 years of experience building and maintaining production distributed systems. Deep expertise in Java and/or Kotlin and Spring Boot, with experience designing scalable APIs and service layers. Experience building or evolving Backend-for-Frontend (BFF) or client-facing service architectures. Experience partnering closely with mobile or web client teams to deliver performant, user-centric APIs. Demonstrated ability to lead cross-functional efforts and drive execution across teams without direct authority. Excellent communication and collaboration skills-able to translate technical strategy into clear, actionable team direction. Proven success in Agile/SCRUM environments, balancing delivery speed with quality. A hands-on builder with a team-first mindset and a passion for coaching and elevating others. A Bachelor's degree, or professional certification, or a combination of education and experience Preferred Qualifications Production experience with Kotlin in backend systems, or demonstrated interest in adopting Kotlin where appropriate. Experience in sports, gaming, fintech, or other regulated, high-velocity environments. Passion for developer experience, performance optimization, and platform tooling. Strong focus on clean API design, service maintainability, and scalable architecture patterns. Not sure if you check every box? If you're excited about this role, Kotlin Multiplatform, and building best-in-class mobile experiences, we encourage you to apply-even if you don't meet every single qualification. We value passion, curiosity, and a growth mindset, and we believe great engineers come from diverse backgrounds and paths. Please note, you do need to be living in the UK for this position and we do NOT offer sponsorship. About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally. About the Team Launched in 2021, Fanatics Betting and Gaming is the online and retail sports betting subsidiary of Fanatics, a global digital sports platform. The Fanatics Sportsbook is available to 95% of the addressable online sports bettor market in the U.S. Fanatics Casino is currently available online in Michigan, New Jersey, Pennsylvania and West Virginia. Fanatics Betting and Gaming operates twenty-two retail sports betting locations, including the only sportsbook inside an NFL stadium at Northwest Stadium. Fanatics Betting and Gaming is headquartered in New York with offices in Denver, Leeds and Dublin. Job Info Posting Date 03/03/2026, 09:03 PM Locations Richmond House, Leeds, LS16 6QY, GB (Remote)
Hargreaves Lansdown plc
As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You'll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.You'll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline. What You'll Do Build and maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards such as encryption, biometrics, and secure data storage. Lead code reviews, share best practices, and mentor junior developers. Work cross-functionally with designers, PMs, and QA to deliver features end-to-end. Stay up to date with the latest in React Native and mobile technologies. What We're Looking For 8+ years of professional mobile development experience, with 5+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within financial or regulated environments. Familiarity with state management. Experience with CI/CD pipelines for mobile apps. Strong debugging skills, including performance profiling and memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage 1 - Discussion with our Hiring Manager (30 mins)A brief conversation to explore your background, motivations, and fit for the team and role.Stage 2 - Technical Interview (60-90 mins)A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.Stage 3 - System Design (60-90 mins)A high-level design discussion where you outline how you'd architect and scale a complex mobile feature or system. Package We offer a competitive salary , depending on experience, alongside a generous performance-based bonus scheme .Your total reward package includes: Up to 19% pension contribution - helping you plan confidently for the future Private medical insurance - giving you peace of mind and access to top-tier healthcare A wide range of excellent benefits , from lifestyle perks to wellbeing support, designed to help you thrive both in and out of workWe believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way. Working Schedule We're based in the stunning Paddington Central offices at 4 Kingdom Street , a modern workspace designed to energise your day and elevate collaboration. Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups. London's highest rooftop basketball court - yes, really! Wellness amenities including showers, lockers, hairdryers, and fresh towels. Cyclist-friendly with secure bike storage and drying rooms. Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats. Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar. Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.We embrace a hybrid working model that gives you the best of both worlds: 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity.This is a full-time role , working 37.5 hours per week , Monday to Friday. Please note, we are unable to offer sponsorship opportunities for this position. dependant on role level only available to select during our annual benefits window, in November each yearHargreaves Lansdown is the UK's number one platform for private investors. Our purpose is to empower people to save and invest with confidence, and today, we are trusted with more than £120 billion by over 1.7 million clients.We are based in the heart of Bristol now with over 2,000 colleagues. We believe we have a workplace like no other, with constant learning, dynamic teams and a great ethos. We're steered by our core values that promote service, quality, innovation, and opportunity in everything we do.For more information about careers at HL and to see all our vacancies, please visit our .
As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You'll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.You'll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline. What You'll Do Build and maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards such as encryption, biometrics, and secure data storage. Lead code reviews, share best practices, and mentor junior developers. Work cross-functionally with designers, PMs, and QA to deliver features end-to-end. Stay up to date with the latest in React Native and mobile technologies. What We're Looking For 8+ years of professional mobile development experience, with 5+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within financial or regulated environments. Familiarity with state management. Experience with CI/CD pipelines for mobile apps. Strong debugging skills, including performance profiling and memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage 1 - Discussion with our Hiring Manager (30 mins)A brief conversation to explore your background, motivations, and fit for the team and role.Stage 2 - Technical Interview (60-90 mins)A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.Stage 3 - System Design (60-90 mins)A high-level design discussion where you outline how you'd architect and scale a complex mobile feature or system. Package We offer a competitive salary , depending on experience, alongside a generous performance-based bonus scheme .Your total reward package includes: Up to 19% pension contribution - helping you plan confidently for the future Private medical insurance - giving you peace of mind and access to top-tier healthcare A wide range of excellent benefits , from lifestyle perks to wellbeing support, designed to help you thrive both in and out of workWe believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way. Working Schedule We're based in the stunning Paddington Central offices at 4 Kingdom Street , a modern workspace designed to energise your day and elevate collaboration. Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups. London's highest rooftop basketball court - yes, really! Wellness amenities including showers, lockers, hairdryers, and fresh towels. Cyclist-friendly with secure bike storage and drying rooms. Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats. Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar. Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.We embrace a hybrid working model that gives you the best of both worlds: 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity.This is a full-time role , working 37.5 hours per week , Monday to Friday. Please note, we are unable to offer sponsorship opportunities for this position. dependant on role level only available to select during our annual benefits window, in November each yearHargreaves Lansdown is the UK's number one platform for private investors. Our purpose is to empower people to save and invest with confidence, and today, we are trusted with more than £120 billion by over 1.7 million clients.We are based in the heart of Bristol now with over 2,000 colleagues. We believe we have a workplace like no other, with constant learning, dynamic teams and a great ethos. We're steered by our core values that promote service, quality, innovation, and opportunity in everything we do.For more information about careers at HL and to see all our vacancies, please visit our .
