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: Competitive salary, career progression, and hands-on development opportunities.
- Why this job: Take ownership of complex systems and make a real impact in tech.
- Qualifications: Strong experience in C#/.NET and SQL, with excellent communication skills.
- Other info: Onsite role with long-term stability and growth potential.
The predicted salary is between 50000 - 80000 £ per year.
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
Contact Detail:
Infused Solutions 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 companies you're interested in. A friendly chat can sometimes lead to job opportunities that aren't even advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your C# projects or contributions to open-source. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice coding challenges and be ready to discuss your past projects. Confidence is key, so let your passion for development shine through!
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities waiting for talented developers like you. Plus, it’s a great way to ensure your application gets seen by the right people.
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! Tell us why you’re passionate about this role and how your skills can contribute to our team. Keep it concise but engaging – we love a good story!
Showcase Your Problem-Solving Skills: In your application, mention specific challenges you've faced in previous roles and how you tackled them. We’re looking for someone who can troubleshoot and improve systems, so let us know how you’ve done that before!
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 – just a few clicks and you’re done!
How to prepare for a job interview at Infused Solutions
✨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 is a big part of the 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 role involves working closely with both technical and non-technical teams. Be ready to share examples of how you've collaborated in the past, and highlight your communication skills during the interview.
✨Prepare for Technical Discussions
Expect to dive into technical architecture and system design discussions. Familiarise yourself with best practices and be ready to discuss how you’ve contributed to these areas in previous roles.
