At a Glance
- Tasks: Enhance and maintain critical software for major UK organisations using C# and C++.
- Company: Respected SaaS and enterprise tech company with a focus on stability and quality.
- Benefits: Competitive salary, hybrid work model, and opportunities for professional growth.
- Other info: Collaborative culture with a focus on mentoring and technical best practices.
- Why this job: Join a team transforming business-critical software with modern cloud and AI technologies.
- Qualifications: Strong experience in C# and C++, with skills in SQL Server and enterprise systems.
The predicted salary is between 95000 - 95000 £ per year.
We’re working with a highly respected SaaS and enterprise technology business looking for a Senior .NET / C++ Software Engineer to join a team responsible for software relied upon by some of the UK’s largest organisations. This is a rare opportunity to work on a mission-critical platform operating within a highly regulated domain, where stability, performance, and engineering quality genuinely matter. You’ll play a key role in maintaining and evolving a large-scale product used across the UK corporate tax landscape, while also contributing towards the long‑term migration to a modern cloud‑native platform.
What You’ll Be Doing:
- Deliver regulatory and customer‑driven enhancements across a complex enterprise platform
- Work across C#, C++, SQL Server and Windows‑based technologies within a mature codebase
- Own and improve critical filing and integration workflows
- Diagnose and resolve complex performance and production issues
- Contribute to moderniser and cloud migration initiatives
- Improve code quality, testing and maintainability through incremental engineering practices
- Support release, deployment and operational processes for production‑critical software
- Mentor junior engineers and contribute to technical best practices
Tech Environment:
- C++
- SQL Server / T‑SQL
- WinForms / WPF
- XML / XSD / iXBRL
- CI/CD & automated testing
- AI‑assisted development tooling including GitHub Copilot, Cursor and Claude Code
What We’re Looking For:
- Strong commercial experience with both C# and C++
- Experience working within large, long‑lived enterprise or regulated systems
- Deep understanding of SQL Server performance tuning and troubleshooting
- Experience supporting or evolving on‑premise / desktop‑based software environments
- Pragmatic engineering mindset with a focus on stability, maintainability and quality
- Interest in modernisation, cloud migration and AI‑assisted development workflows
- Strong communication and collaborative problem‑solving skills
What’s On Offer:
- Opportunity to work on genuinely business‑critical software
- Exposure to modern cloud and AI engineering initiatives
- Collaborative engineering culture with strong technical ownership
- Long‑term modernisation and transformation projects
- Stable, growing technology business with significant investment in engineering
If you enjoy solving complex engineering problems, improving mature systems and building software that organisations truly depend on, we’d love to hear from you.
Senior .NET / C++ Software Engineer employer: Oliver Bernard
Join a leading SaaS and enterprise technology business that values innovation and stability, offering a hybrid work model with four days of remote work. With a strong focus on employee growth, you will have the opportunity to mentor junior engineers and engage in long-term modernisation projects, all while contributing to mission-critical software used by major UK organisations. Experience a collaborative culture that prioritises technical ownership and invests significantly in engineering excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Senior .NET / C++ Software Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online forums. 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 projects, especially those involving C# and C++. This gives potential employers a tangible sense of what you can bring to the table.
✨Tip Number 3
Prepare for interviews by brushing up on common technical questions related to .NET and C++. Practice coding challenges and be ready to discuss your past experiences with performance tuning and troubleshooting.
✨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, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior .NET / C++ Software Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with C# and C++, as well as any work you've done on enterprise or regulated systems. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter:Your cover letter is your chance to tell us why you’re the perfect fit for this role. Share your passion for software engineering and mention specific experiences that demonstrate your problem-solving skills and collaborative mindset.
Showcase Your Technical Skills:In your application, make sure to highlight your understanding of SQL Server performance tuning and any experience with cloud migration. We’re looking for someone who can hit the ground running, so let us know what you bring to the table!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates during the process. We can’t wait to hear from you!
How to prepare for a job interview at Oliver Bernard
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in C#, C++, and SQL Server. Brush up on your knowledge of performance tuning and troubleshooting, as these are crucial for the role. Be ready to discuss specific projects where you've applied these skills.
✨Showcase Your Problem-Solving Skills
Prepare examples of complex engineering problems you've solved in the past. Highlight your pragmatic approach to stability and maintainability, and how you’ve contributed to improving code quality in previous roles.
✨Understand the Business Context
Familiarise yourself with the SaaS and enterprise technology landscape, especially within regulated domains. Being able to discuss how your work impacts business-critical software will show that you understand the bigger picture.
✨Be Ready to Discuss Modernisation Initiatives
Since the role involves cloud migration and AI-assisted development, come prepared to talk about your experience or interest in these areas. Share any relevant projects or ideas you have for modernising legacy systems.
