Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and develop business-critical applications using C#/.NET and SQL.
- Company: Dynamic London-based organisation with a collaborative engineering team.
- Benefits: Salary between £50,000 - £60,000, long-term stability, and career progression.
- Why this job: Take ownership of complex systems and make a real impact in a hands-on role.
- Qualifications: Strong experience as a Senior C# Developer with advanced C#/.NET and SQL skills.
- Other info: Onsite position in London with opportunities to mentor junior developers.
The predicted salary is between 50000 - 60000 £ per year.
If the following job requirements and experience match your skills, please ensure you apply promptly.
Location: London (Fully Onsite)
Employment Type: Permanent
Salary: £50,000 - £60,000 (DOE)
Visa Sponsorship: Not available
We're working with a London-based organisation that is looking to hire an experienced Senior C# Developer to join their engineering team in a fully onsite position. This role is ideal for someone who enjoys hands-on development, working closely with the business, and taking ownership of complex systems.
The Role
As a Senior C# Developer, you'll be responsible for designing, developing, and maintaining business-critical applications built on C#/.NET and SQL. You'll play a key role in technical decision-making, improving code quality, and ensuring the reliability and performance of core systems. You'll work closely with other developers, QA, product owners, and non-technical stakeholders, contributing across the full software development lifecycle.
Key Responsibilities
- Design, develop, and maintain applications using C# / .NET
- Write, optimise, and maintain SQL queries, stored procedures, and database schemas
- Contribute to technical architecture and system design discussions
- Carry out code reviews and promote best development practices
- Support and mentor junior and mid-level developers
- Troubleshoot, debug, and improve existing systems
- Collaborate closely with business and technical teams onsite
Essential Skills & Experience
- Strong commercial experience as a Senior C# Developer
- Advanced knowledge of C# / .NET
- Strong experience working with SQL (SQL Server or similar)
- Experience delivering and supporting production-grade applications
- Solid understanding of software design principles and best practices
- Comfortable working in a onsite London-based team
- Strong communication and stakeholder engagement skills
Desirable Skills
- Experience with modern .NET versions
- Exposure to cloud platforms (Azure, AWS, or similar)
- Experience with RESTful APIs
- Familiarity with Agile / Scrum environments
What's On Offer
- Salary of £50,000 - £80,000 depending on experience
- Onsite role in London
- Opportunity to work on business-critical systems
- Collaborative, experienced engineering team
- Long-term stability and career progression
If you're a Senior C# Developer looking for an onsite role in London where you can have real technical ownership and work on complex systems, we'd love to hear from you.
Senior C# Developer - Londin - Perm in London employer: Infused Solutions Ltd
Contact Detail:
Infused Solutions Ltd Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior C# Developer - Londin - Perm in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work in London. Attend meetups or tech events to meet potential employers and get your name out there.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your C# projects and any contributions to open-source. This gives you a chance to demonstrate your expertise beyond just a CV.
✨Tip Number 3
Prepare for interviews by brushing up on common technical questions and coding challenges. Practice explaining your thought process clearly, as communication is key when working with teams.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we’re always looking for talented developers like you to join our community.
We think you need these skills to ace Senior C# Developer - Londin - Perm in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with C# and .NET, as well as any SQL skills. We want to see how your background aligns with the role, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your skills can contribute to our team. Keep it concise but impactful – we love a good story!
Showcase Your Problem-Solving Skills: In your application, mention specific examples where you've tackled complex systems or improved code quality. We’re looking for developers who take ownership and can demonstrate their problem-solving prowess.
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’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Infused Solutions Ltd
✨Know Your C# Inside Out
Make sure you brush up on your C# and .NET knowledge before the interview. Be prepared to discuss your past projects in detail, especially those that showcase your ability to design and maintain complex systems.
✨SQL Skills Are Key
Since SQL experience is essential for this role, practice writing and optimising SQL queries. You might be asked to solve a problem on the spot, so having a few examples ready can really help you shine.
✨Showcase Your Team Spirit
This position requires collaboration with various teams, so be ready to talk about your experiences working with developers, QA, and non-technical stakeholders. Highlight any mentoring roles you've taken on as well!
✨Prepare for Technical Discussions
Expect to engage in technical architecture and system design discussions during the interview. Familiarise yourself with best practices and be ready to share your thoughts on improving code quality and system reliability.
