3363 IT & Software Developer jobs in the UK

The Portfolio Group jobs

Principal C#.Net Developer

£45,000 - 70,000
The Portfolio Group
Oxford Road, Manchester
£45,000 - 70,000
Company Size icon
Company Size
50-200
Company Type icon
Company Type
Services
Exp Level icon
Exp Level
Lead
Job Type icon
Job Type
Full-Time
Language icon
Language
English
Visa sponsorship icon
Visa sponsorship
No

Requirements

Must:
- Strong experience developing backend systems with C# and .NET - Deep knowledge of cloud environments (Azure preferred) - Experience in designing APIs and microservices at scale - Solid understanding of automation testing tools (Playwright desirable) - Leadership experience - mentoring, coaching, and guiding engineering teams - Strong problem-solving skills with an eye for performance optimisation - Enthusiasm for delivering quality solutions in a SaaS environment

Technologies

C#
CI/CD
Playwright
ASP.NET
.NET

Responsibilities

- Architect and build scalable backend services in C# / .NET - Drive adoption of clean coding practices, design patterns, and SOLID principles - Mentor engineers, fostering a culture of growth, learning, and high performance - Collaborate with product owners to refine requirements and translate them into technical solutions - Integrate automation testing (Playwright) and CI/CD pipelines to ensure code quality - Lead technical discussions, setting direction on tools, frameworks, and approaches - Troubleshoot and resolve complex technical challenges across backend services - Optimise system performance and ensure resilience across platforms - Review code and guide engineering standards across the team - Contribute to product strategy by aligning technical roadmaps with business goals

Description


We are a rapidly growing SaaS organization that is dedicated to building innovative products that make a real difference to our customers. As a Principal Backend Developer, you will take ownership of backend systems, shape best practices, and mentor the next generation of engineers. This role offers the opportunity to provide technical leadership across backend development, ensuring robust, scalable, and future-proof systems.
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You can find C#.NET Developer salaries in the UK here.

How many C#.NET Developer jobs are in the UK?

Currently, there are 3363 C#.NET openings. Check also: Xamarin jobs, Unity jobs - all with salary brackets.

Is the UK a good place for C#.NET Developers?

The UK is one of the best countries to work as a C#.NET Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.

Which companies are hiring for C#.NET Developer jobs in the UK?

Arctic Shores, SwapTix, HM Land Registry, Metropolitan Police, Southern Housing, Companies House, Robert Walters Outsourcing among others, are currently hiring for C#.NET roles in the UK.

The company with most openings is Experis as they are hiring for 107 different C#.NET Developer jobs in the UK. They are probably quite committed to find good C#.NET Developers.