Senior Platform Developer – Payments Team
tombola Sunderland, England, United Kingdom
We’re excited to be growing our team - this opportunity has opened up thanks to an internal promotion. Now it’s your turn to take the next step and join our Payments Team, the group that builds and evolves the platform behind every player transaction.
Shape the Platform Behind Every Transaction
As a Senior Platform Developer, you’ll use your C# and .NET expertise to design, develop, and enhance the systems that power secure, seamless payments for millions of players. You’ll also play a key role in mentoring others and helping shape the future of our platform.
This is a hybrid role based in Sunderland (3 days in the office).
What You’ll Be Doing
* Lead the design and development of tombola’s payment platform and services.
* Build and maintain RESTful APIs, backend systems, and integrations with multiple payment providers.
* Develop scalable background services and improve performance, reliability, and observability.
* Collaborate closely with engineers, product owners, and stakeholders to drive projects from concept to deployment.
* Influence technical direction, champion best practices, and mentor junior developers to help them grow.
What We’re Looking For
* Strong commercial experience in C# and .NET (Framework/Core).
* A track record of building scalable, reliable, and secure backend systems.
* Experience working with AWS or other cloud platforms, event-driven architectures, and API integrations.
* A pragmatic, collaborative mindset with a focus on continuous improvement.
* A passion for coaching and mentoring developers to reach their potential.
Nice to have
* Experience working in regulated industries or a good understanding of payments, compliance, and keeping customer transactions safe and secure.
* Knowledge of CI/CD pipelines, infrastructure as code, and integrating with legacy systems.
Why join tombola?
* Join a high-energy team where your ideas directly impact how millions of players transact safely.
* Work in a collaborative, forward-thinking environment that values innovation and quality.
* Grow your technical and leadership skills as you mentor others and shape the evolution of our payment platform.
* Enjoy hybrid working and a competitive benefits package designed to support you inside and outside of work.
tombola is committed to creating opportunities for everyone and welcomes applications from all backgrounds.
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