Backend Developer; B2B - Game Studio

About the role

We are seeking a Software Developer for our backend team to contribute to the design, development and delivery of game engine services within our B2B platform. The role focuses on building systems that enable our games to be used by other businesses, connecting games to external partners and ensuring everything runs smoothly, securely and reliably at scale.

The role involves

• Building and maintaining backend services that enable external partners to integrate with tombola’s platform
• Designing and building APIs that allow systems to communicate reliably and securely
• Working on highly available, scalable systems that support high volumes of activity
• Contributing to technical discussions and shaping how we build and evolve our B2B platform
• Writing clean, efficient and well‑documented code
• Participating in code reviews, testing and performance improvements
• Collaborating closely with cross‑functional teams to ensure smooth delivery

• Strong knowledge of C#
• Experience with .NET
• Experience building backend systems and APIs
• Understanding of SQL/No
  
  SQL databases
• Experience with cloud platforms (e.g., AWS)
• Good problem‑solving skills and logical approach to building systems
• Comfortable working on systems that integrate with external platforms
• Willingness to learn and adapt within a growing B2B environment

This role is based at our Sunderland HQ, with a hybrid approach of 3 days in the office and 2 days working from home.

We’re a business built on innovation, collaboration and doing things differently. We’re always looking to improve how we work and embrace new ideas and perspectives. If you’re looking for a role where you can make an impact, grow your career and be part of a supportive team, we’d love to hear from you.

At tombola we know that differences make us stronger and that thinking differently is key to long‑term success. We create a culture of inclusivity where everyone can celebrate. We are committed to creating opportunities for everyone, welcoming applications from all backgrounds and encouraging individuals to apply even if they don’t meet every requirement.