Senior C# Developer

Senior C# Developer

Full-Time 59400 - 72600 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead the development of a cloud-based platform using C# and .NET technologies.
  • Company: Global tech company with a focus on innovation and collaboration.
  • Benefits: Pension up to 17%, bonus, 34 days holiday, and flexible benefits.
  • Other info: Hybrid working model with opportunities for mentoring and career growth.
  • Why this job: Shape the future of a growing platform and make a real impact.
  • Qualifications: Deep experience in C# and .NET, with ownership of live software.

The predicted salary is between 59400 - 72600 £ per year.

  • Senior C# Developer / Senior Software Engineer
  • Working pattern: Hybrid. x3 days in Office

Benefits: Pension up to 17%, Bonus, 34 days holiday + a heap of flexible benefits.

A global business is hiring a Senior C# Developer to take hands-on technical ownership inside one of its core platform teams.

The platform is cloud-based, .

NET throughout, and carries real weight: secure services for end users, internal case management, client reporting, and live integrations out to third-party financial systems.

It is growing, and they want someone senior enough to shape how it grows rather than just add to it.

What you would be running

  • Significant slices of the platform, yours from the first design conversation through to the release note and whatever comes back afterwards.
  • The judgement call on technical debt in a mature C# codebase: what is genuinely holding the platform back, what is cosmetic, and what the team should spend its next quarter on.
  • Larger refactoring and re-architecture work when the answer is that the current shape will not carry where the product is going.
  • The data layer as the platform scales, including the integrations that reach outside it.
  • Whether problems surface on your terms or the user's, through the monitoring, logging and alerting you put around what you build.
  • How releases go out and what happens when one does not behave.
  • The engineering standard around you, set through code review, mentoring and the example your own work sets.
  • AI-assisted tooling used with your name still on the output, which they have been deliberate about wanting rather than quietly tolerating.

What they need from you

  • Deep commercial C# on a .

NET codebase you stayed with long enough to know its history. .

NET 8 or later ideally, though what you did with it matters more than the version number.

  • Ownership of live software: releases you planned, incidents you investigated, production problems you fixed at 6pm on a Friday.
  • Performance work with evidence behind it, across both the C# and the data layer, using Entity Framework or EF Core against SQL Server and Azure SQL.
  • API and service design that survived contact with real load, built in ASP. NET or ASP. NET Core.
  • Mentoring and code review you have already done, with a view on what makes feedback land rather than just get given.
  • Azure in anger: Functions, Web Jobs, Blob Storage, and Application Insights when something needs diagnosing.
  • CI/CD and automated build and deployment as part of how you work, not something a platform team handles for you.
  • Tests you wrote and then had to maintain, which is where most people find out what their testing habits are really worth.
  • Secure development practice, in an environment where the data is sensitive and that is not a formality.

Useful but not essential

regulated environments, a major refactor or migration onto modern . NET, considered use of AI-assisted development tooling where you still own what ships.

our customer is unable to sponsor at this time.

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Senior C# Developer employer: Reggie & Cole

Join a forward-thinking professional services firm in Edinburgh, where innovation meets employee well-being. As an IT Support Engineer, you'll benefit from a hybrid working model, generous holiday allowances, and comprehensive health coverage, all while contributing to a culture that prioritises automation and continuous improvement. With ample opportunities for professional development and a supportive environment, this role is perfect for those looking to make a meaningful impact in their career.

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Contact Details:

Reggie & Cole Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior C# Developer

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Reggie & Cole or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Reggie & Cole.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Reggie & Cole.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Reggie & Cole that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior C# Developer

C#
.NET
.NET 8 or later
Entity Framework
EF Core
SQL Server
Azure SQL

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Reggie & Cole.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Reggie & Cole and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Reggie & Cole

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Reggie & Cole uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.