At a Glance
- Tasks: Design and build scalable .NET services while mentoring fellow engineers.
- Company: Join a modern engineering team in a hybrid work environment.
- Benefits: Competitive contract rate, flexible working, and opportunities for professional growth.
- Other info: Collaborative culture with excellent career advancement opportunities.
- Why this job: Make an impact by delivering secure, high-quality backend services for critical business initiatives.
- Qualifications: Strong .NET experience, Azure knowledge, and a passion for secure coding practices.
Location: Coventry or London - Hybrid – 1 to 2 days per week onsite
Start Day: ASAP
Contract Rate: TBC, likely in the region of £460 per day inside IR35
Duration: 6 to 12 months initially
Role Overview
Our client is seeking a Senior .NET Engineer to deliver secure, high-quality backend services supporting critical business initiatives. This is a hands-on contract role within a modern engineering environment, combining technical leadership with delivery ownership across cloud-native platforms and secure-by-design solutions. You will work closely with engineering, product, security, and platform teams to design, build, and modernise .NET services while setting strong standards for quality, reliability, and observability.
Key Responsibilities
- Design, build, and maintain scalable .NET services using API-first and event-driven patterns.
- Translate requirements into clear technical plans, estimates, and milestones, managing risks and dependencies.
- Champion secure engineering practices, including OWASP Top 10/ASVS, OAuth2/OIDC, TLS, and secrets management.
- Mentor engineers through pairing, design reviews, and technical coaching.
- Drive CI/CD best practices, automated testing, and deployment pipelines.
- Establish performance, reliability, observability, and SLO standards, supporting refactoring and modernisation.
- Collaborate with product, QA, platform, InfoSec, and data governance stakeholders to unblock delivery and pass security reviews.
Skills & Experience
Essential:
- Strong experience with .NET 8, C#, ASP.NET Core, REST APIs, async programming, and dependency injection.
- Azure cloud experience (App Service, AKS, Functions), containers, CI/CD, and observability tooling.
- Solid understanding of secure coding and authentication/authorisation patterns.
- Experience with modern architectures (DDD, modular monoliths or microservices, event-driven design).
- Strong testing discipline (unit and component testing, e.g. xUnit).
- Proven experience working in Agile/Scrum teams and mentoring other engineers.
Desirable:
- Retail domain experience (UK preferred).
- Performance/load testing and resiliency testing exposure.
- Microservices design experience.
- MongoDB and Entity Framework knowledge.
If you have the relevant skills and experience, please do apply promptly to be considered.
Senior .NET Engineer in London employer: Queen Square Recruitment Ltd
Join a forward-thinking company that values innovation and collaboration, offering a hybrid work model in vibrant locations like Coventry or London. With a strong emphasis on employee growth, you will have the opportunity to mentor fellow engineers while working on cutting-edge .NET services in a supportive environment that champions secure engineering practices and modern development methodologies.
Contact Detail:
Queen Square Recruitment Ltd Recruiting Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior .NET Engineer in London
✨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 a Senior .NET Engineer role that’s not even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your .NET projects. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for those interviews! Brush up on your technical knowledge, especially around .NET 8, C#, and Azure. Practice common interview questions and be ready to discuss your past experiences and how they relate to the role.
✨Tip Number 4
Don’t forget to apply through our website! We make it easy for you to submit your application and get noticed. Plus, we’re always on the lookout for talented engineers like you to join our team.
We think you need these skills to ace Senior .NET Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with .NET 8, C#, and Azure cloud. We want to see how your skills match the role, so don’t be shy about showcasing your relevant projects!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for this Senior .NET Engineer role. We love seeing passion and personality, so let us know what excites you about the position.
Showcase Your Problem-Solving Skills:In your application, mention specific challenges you've faced in previous roles and how you overcame them. We’re looking for someone who can drive solutions and mentor others, so highlight those experiences!
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and keep track of all the amazing candidates like you. We can’t wait to hear from you!
How to prepare for a job interview at Queen Square Recruitment Ltd
✨Know Your Tech Inside Out
Make sure you brush up on your .NET 8, C#, and ASP.NET Core skills. Be ready to discuss your experience with REST APIs and async programming, as well as how you've implemented secure coding practices in past projects.
✨Showcase Your Cloud Experience
Since Azure cloud experience is essential, prepare to talk about your work with App Service, AKS, and Functions. Have examples ready that demonstrate your understanding of CI/CD processes and observability tooling.
✨Be Ready to Discuss Architecture
Familiarise yourself with modern architectures like DDD and microservices. Be prepared to explain how you've applied these concepts in your previous roles, especially in relation to event-driven design.
✨Highlight Your Mentoring Skills
As mentoring is a key part of the role, think of specific instances where you've coached other engineers. Share how you’ve contributed to their growth and how you approach design reviews and technical coaching.
