C# Developer Sql Asp.Net - Tech Start-Up

Client Server Limited; Greater London; On-site; GBP 45,000 - 55,000; Full time

Benefits offered by this job

Pension

Career development

Ownership opportunities

Job summary

Client Server Limited in London is seeking a C# Developer / Software Engineer to own parts of the platform and contribute to both front-end and back-end development using SQL, ASP.NET, Blazor, and MAUI. The role offers real responsibility in a small, ambitious start-up environment with an experienced CTO guiding growth.

You will work across the full stack, deliver consumer-facing web and mobile apps, and have the chance to push AI-driven capabilities into the booking process while developing and

Qualifications

• Experience building web apps with C# and ASP.NET.
• Strong SQL databases knowledge.
• Experience across the full tech stack and AI-assisted coding.

Responsibilities

• Develop web and mobile apps using C#, ASP.NET, Blazor and SQL.
• Collaborate with CTO in a small team and take ownership of features.
• Explore AI tools (e.g., ChatGPT) to improve development and customer experience.

Skills

C# & ASP.NET

SQL databases

Full stack

Blazor

MAUI

AI coding tools

Communication skills

Ownership

Start-up mindset

Job description

C# Developer / Software Engineer (SQL ASP.Net) London to £50k

Are you a talented C# Developer looking to take on real responsibility in a small, ambitious start-up?

You could be progressing your career at a growing technology business developing an online platform that connects customers with certified tradespeople, helping them find the right professional for their job and budget. With an experienced CTO who has a successful start-up track record, you'll join a team of just five people, giving you the opportunity to make a genuine impact on the product and how the business evolves.

As a C# Developer you'll work across the full stack, developing consumer facing web and mobile applications alongside internal back office systems. Using C#, ASP.NET, Blazor, MAUI and SQL, you'll help build and enhance the platform as the business scales, with opportunities to modernise the technology and introduce AI driven capabilities into the booking process.

This is a varied role in a fast-moving environment where you'll work closely with the CTO, contribute ideas and take ownership beyond coding, including aspects of the operational technology stack. The business is keen to make effective use of AI development tools such as ChatGPT, so you'll have the opportunity to explore how AI can improve both software development and the customer experience.

As the business grows, there will be scope to expand your responsibilities and progress your career alongside it.

Location:

You’ll join the team in London on a fulltime basis Monday to Friday (with flexibility when needed), easily commutable mainline station within two minute walk.

About you:

• You have experience of developing web applications with C# and ASP.NET
• You have a strong understanding of SQL databases
• You're comfortable working across the full tech stack
• You're comfortable using AI assisted coding tools to improve productivity
• You're proactive and adaptable, happy taking ownership in a small team where priorities can change
• You have great communication skills and an interest in the wider business and its customers
• You're keen to learn, develop and grow with an ambitious start-up
• Experience with Blazor and .NET MAUI for mobile development would be advantageous

What's in it for you:

As a C# Developer / Software Engineer (SQL ASP.Net) you'll receive a competitive package:

• Salary to £50k
• Pension
• Excellent career development and ownership opportunities

C# Developer SQL ASP.Net - Tech Start-up London, England