Senior C# Developer

Job Description We’re looking for a Senior C# Developer who is ready to take the next step towards leadership.

You’ll be part of a close knit, collaborative squad within our telecoms division, building and evolving modern software platforms using the latest .NET technologies within a microservices architecture.

This role is ideal for a technically strong engineer who wants to progress into a Team Lead position over time. You’ll work closely with the current Team Lead, shadowing them and gradually taking on greater responsibility across delivery, technical decision making, and people leadership.

You’ll have real influence on how systems are designed and delivered, while continuing to write high quality, production ready code.

What you’ll be doing …Designing and developing new features within a microservices architecture

Building, integrating, and consuming services using external APIsMaintaining and enhancing existing applications

Creating and managing internal NuGet packages

Writing robust unit and integration tests

Participating in and leading code reviews

Diagnosing, troubleshooting, and resolving technical issues

Shadowing the current C# Team Lead to develop leadership capability

Splitting, estimating, and assigning development tasks

Contributing to architectural discussions and technical direction

What we’re looking for…Minimum 4 years of commercial C#/.NET development experience

Experience with .NET 6+ Web APIsSolid understanding of microservices

Experience working in Agile development environments

Good knowledge of relational databases (SQL Server or similar)
Comfortable using ORMs such as Entity Framework and/or Dapper Front end experience with Angular or another popular frameworkA proactive mindset with an interest in mentoring, ownership, and leadership

What you can expect from us…Meaningful work

You’ll be contributing to a critical platform that supports telecoms solutions used by businesses globally.

A standout workspace

Based in our purpose-built Radius Campus HQ in Crewe, you’ll enjoy:

Modern, collaborative work spaces

Onsite gym, café, and barista stationA unique sports barAnd yes… Doctor Who themed features throughout the office!

Career development

Your impact on Radius will be rewarded with the opportunity to progress your career in many directions.

The development of our people has always been a priority for us. We have established a culture of continuous learning and knowledge-sharing which means our colleagues are constantly exposed to new experiences and ways of working.

Every individual, from entry-level to the senior team, have their own personal development plans with clear routes for progression and regular reviews.

Rewards and benefits

In addition to a competitive salary, you’ll have access to a reward and benefits package which includes:

Pension Life assurance

Employee fuel card scheme

Electric Vehicle scheme

Employee assistance programme

Wellness and healthcare assistance via ‘Help@Hand’ by Unum‘Cycle to work’ scheme

Free breakfast daily in the office

Free gym access at Radius Campus HQAbout Radius…Radius offers fuel cards, telematics, vehicle leasing, EV charge points, telecoms and more to businesses globally.

Established in 1990, we're trusted by over 470,000 businesses to help them grow and become more productive.

With over 3000 colleagues across 5 continents, our people are critical to our success as we develop new innovative products across a growing range of businesses.

Our values...Driven
- We are ambitious and tenacious. We constantly strive for more, we look to the future, and we are already working on what’s next.

Agile
- We are quick to adapt to change. We stay ahead of market trends and create solutions for the future.

Innovative
- The status quo is there to be challenged. We are passionate about pushing boundaries and always think bigger.

Inclusive
- We know the value of our customers, partners, suppliers and colleagues. We encourage inclusivity and work collaboratively.#LI-TB1

Additional Information Diversity, Equality & Inclusion at Radius Our global DEI networks champion LGBTQ+ inclusion, cultural diversity, women’s empowerment and mental health, neurodiversity and disability support.

We also…