Software Engineer III, Trading - FBG

Fanaticsfbg; Leeds; Remote; GBP 65,000 - 95,000; Full time

Job summary

Fanatics Betting and Gaming is seeking a Software Engineer III in Leeds to contribute to scalable, high-performance backend systems. You will work across Product, Quant, and Engineering to deliver reliable applications and improve platform reliability.

The role emphasizes code quality, testability, and collaboration in a fast-paced, entrepreneurial environment. Remote work is possible for candidates in the UK and Ireland, with occasional on-site collaboration encouraged.

Qualifications

• 3–5 years of real-world experience building & deploying scalable, high-performance applications.
• 2+ years of C# and cloud platform experience (Azure a plus).
• Effective communication skills for diverse audiences.
• Strong analytical and problem-solving abilities.
• Thrives in a fast-paced, collaborative startup-like environment.
• Experience with Domain Driven Design (DDD) is a plus.

Responsibilities

• Contribute to design and implementation of scalable, secure event-driven solutions.
• Address complex problems to improve performance and scalability.
• Write efficient, modular, testable code adhering to quality standards.
• Support the product lifecycle from concept to deployment and beyond.
• Engage in code reviews and knowledge sharing with the team.
• Collaborate with Product, Quant and Engineering to deliver reliable applications.
• Participate in planning and design discussions to shape the product roadmap.
• Enhance software quality with testing, metrics, and documentation.
• Mentor teammates and promote learning within the team.
• Support on-call rotations and travel for offsite meetings when needed.

Skills

C# development

Cloud platforms

Communication

Analytical thinking

DDD / domain modeling

Team collaboration

Tools

Azure

Job description

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.

Responsibilities

Software Engineer III

Responsibilities

• Contribute to the design and implementation of scalable, secure, and high-performance solutions within our event-driven architecture, focusing on enhancing system reliability and efficiency.
• Assist in analyzing and addressing complex problems in multifaceted systems to improve overall performance and scalability.
• Write efficient, modular, and testable code that adheres to our commitment to innovation and quality standards.
• Support the product lifecycle from concept through development and deployment, and beyond, ensuring smooth operation and reliability of our platform.
• Communicate effectively, escalating challenges as necessary and participating in code reviews to elevate code quality and foster knowledge sharing
• Collaborate seamlessly with Product, Quant and Engineering teams to ensure timely delivery of stable and reliable applications aligned with our product vision.
• Play an active role in team discussions on planning and design, gaining insights into design philosophies and contributing to our product's evolution.
• Enhance software quality through focusing on testability, operational metrics, and comprehensive documentation.
• Become a product minded engineer developing a fundamental understanding of our industry, product, feature set and roadmap
• Engage in mentorship opportunities to both learn and share knowledge, promoting personal and team growth.
• Support critical operations through participation in an on-call rotation
• Be willing to travel occasionally for special events and for essential offsite meetings and team collaboration sessions.

Experience and Skills

• At least 3-5 years of real-world demonstrable experience building & deploying scalable, high-performance applications.
• 2+ years of experience with C# and cloud platforms (Azure a plus).
• Effective communication skills, capable of demystifying complex technical topics for diverse audiences.
• Excellent analytical and problem-solving skills.
• Thrives in an entrepreneurial, hyper-growth environment where priorities evolve regularly and decisions are made quickly.
• Team-first mentality, with a willingness to do what it takes to get the job done and a desire to strive for better.
• Understanding of software design, development, and testing principles including SOLID, DRY, TDD, BDD.
• Passion for software development and system architecture and sharing knowledge within a highly collaborative team.
• Familiarity with sports betting or a keen interest in sports is desirable.
• Experience of building software using Domain Driven Design (DDD)
• Ability to translate business needs into technical solutions.
• Experience in partnering with cross-functional teams.
• Experience working in a start-up environment
• Passionate about working in a highly collaborative team environment

Depending on the role, your interview and onboarding experience may include in-person components, such as onsite interviews or Launching into Better: LIVE—a multi-day cultural immersion in New York City for full-time, non-seasonal hires. These sessions are designed to build connection and bring our culture to life, though specific travel and participation requirements will be confirmed based on your role and location. Your recruiter will provide clear guidance at each stage of the process.

Please note that visa sponsorship is not available for this position.

We are open to fully remote candidates based in Ireland and UK, but we strongly encourage those who can join us on campus two days per week.