At a Glance
- Tasks: Own the software lifecycle and design robust C# solutions for a leading gaming platform.
- Company: Join tombola, a tech-driven company where your influence matters.
- Benefits: Enjoy competitive pay, great perks, and a culture of inclusivity.
- Other info: Shape the future of technology at tombola with genuine autonomy.
- Why this job: Make a real impact with your coding skills in a collaborative environment.
- Qualifications: Exceptional C# skills and experience in the .NET ecosystem required.
The predicted salary is between 60000 - 75000 £ per year.
The opportunity 🎯 We’re looking for a Senior Developer/engineer who’s genuinely ready for a senior role — someone who can own the full software lifecycle, shape technical direction, and raise the bar for the team around them. This isn’t a stepping stone. It’s a role where your experience and instincts will matter from day one. You’ll be working on platform systems that power one of the UK’s biggest gaming sites — everything built in-house, with real complexity and real stakes. You’ll be expected to drive quality, influence architecture decisions, and be a technical reference point for your peers. But you’ll also be coding — we’re not looking for someone who’s stepped too far from the work. The best senior developers here do both.
What you’ll be doing 🧠
- Owning the full software delivery lifecycle — from requirements through to production
- Designing and delivering robust, scalable solutions in C# across tombola's platform
- Driving engineering standards — code quality, testing practices, documentation
- Influencing technical direction and contributing to architectural decisions
- Mentoring and coaching developers at all levels
- Leading code reviews and pair programming sessions
- Working closely with stakeholders and non-technical colleagues to shape requirements
- Monitoring application health and leading performance investigations
- Contributing to agile ceremonies — standups, sprint planning, technical refinements
- Ensuring compliance and regulatory considerations are built into delivery
What we’re looking for 👀
- Proven, senior-level C# skills — we’re looking for someone exceptional here
- Strong knowledge of the .NET ecosystem — both legacy frameworks and modern .NET
- Experience owning work end-to-end, from requirements through to live systems
- Deep understanding of testing methodologies — unit, integration, and beyond
- Ability to design software to a high technical standard, collaboratively
- Experience mentoring others and influencing team direction
- Excellent communication across technical and non-technical audiences
- Understanding of compliance, regulations, and how they affect software delivery
Nice to haves 💡
- SQL and data layer experience
- Experience working across both backend and frontend codebases
- Involvement in hiring and technical interviewing
Why tombola? ❤️ At tombola, senior developers have genuine influence. Technology decisions are never handed down from above — they’re made by the people closest to the work. You’ll have real autonomy, real ownership, and the chance to help shape how we build for years to come. We’re a business that’s genuinely driven by technology. Every product, every system, every feature — built in-house. That means your work has real impact, and the team you’ll join knows and cares about that. We’ve also got great benefits. Head to our careers site to see the full picture. At tombola we know that our differences make us stronger and that thinking differently is key to long-term success. We work hard to create a culture of inclusivity where everyone is free to be themselves. We welcome applications from all backgrounds.
Senior Software Engineer (C#) in Sunderland employer: Tombola
At tombola, we pride ourselves on fostering a collaborative and inclusive work culture that prioritises the well-being of our colleagues. As an Employee Relations Advisor in Sunderland, you'll benefit from a supportive environment that encourages professional growth and development, while also having the opportunity to make a meaningful impact on employee experiences. With a strong commitment to fairness and compliance, we ensure that our team members are equipped with the resources and guidance they need to thrive in their roles.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer (C#) in Sunderland
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those that highlight your C# expertise. This is your chance to demonstrate your coding prowess and problem-solving abilities to potential employers.
✨Tip Number 3
Prepare for technical interviews by brushing up on your knowledge of the .NET ecosystem and testing methodologies. Practice coding challenges and be ready to discuss your past experiences in detail — they want to see how you think!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of our team at tombola.
We think you need these skills to ace Senior Software Engineer (C#) in Sunderland
Some tips for your application 🫡
Show Off Your C# Skills:Make sure to highlight your proven, senior-level C# skills in your application. We want to see how you've owned work end-to-end and the impact you've made with your coding expertise.
Talk About Your Experience:Share specific examples of how you've influenced technical direction and contributed to architectural decisions. We love hearing about your journey and how you've shaped projects in the past.
Demonstrate Your Mentoring Ability:Don’t forget to mention any experience you have mentoring or coaching other developers. We value collaboration and want to know how you've helped others grow in their roles.
Apply Through Our Website:We encourage you to apply through our careers site. It’s the best way for us to get your application and for you to explore all the benefits we offer at tombola!
How to prepare for a job interview at Tombola
✨Know Your C# Inside Out
Make sure you brush up on your C# skills before the interview. Be prepared to discuss your experience with both legacy frameworks and modern .NET. They’ll likely ask you to solve coding problems or explain your thought process, so practice coding challenges that reflect real-world scenarios.
✨Understand the Full Software Lifecycle
Since this role involves owning the full software delivery lifecycle, be ready to talk about your past experiences in managing projects from requirements gathering to production. Highlight specific examples where you’ve influenced technical direction or made architectural decisions.
✨Showcase Your Mentoring Skills
They’re looking for someone who can mentor and coach developers at all levels. Prepare to share instances where you’ve helped others grow, whether through code reviews, pair programming, or leading discussions. This will demonstrate your leadership potential and collaborative spirit.
✨Communicate Effectively
You’ll need to work closely with both technical and non-technical colleagues, so practice explaining complex concepts in simple terms. Think of examples where you’ve successfully communicated with stakeholders to shape requirements or resolve issues, as this will show your versatility.
