Overview
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. In-person collaboration is a foundation of our success. This role is located at our Radius Campus head office in Crewe, Cheshire. It is eligible for inclusion in our hybrid working policy, based on at least 3 days per week in the office.
What You’ll Be Doing
* Designing and developing new features within a microservices architecture
* Building, integrating, and consuming services using external APIs
* Maintaining 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 APIs
* Solid 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 framework
* A proactive mindset with an interest in mentoring, ownership, and leadership
What You Can Expect From Us
Your impact at Radius will be recognised and rewarded, with genuine opportunities to develop, grow, and progress your career in multiple directions - including a pathway toward technical and people leadership.
You’ll also benefit from a competitive reward and benefits package, including:
* Pension
* Performance based annual bonus scheme
* Life assurance
* Employee fuel card scheme
* Electric vehicle (EV) scheme
* Employee Assistance Programme (EAP)
* Wellness and healthcare support via Help@Hand by Unum
* Cycle to work scheme
* Free breakfast daily in the office
About Radius
At Radius, we’ve been helping businesses grow for over 35 years. From our origins as a fuel card provider in North West England, we’ve evolved into a global business services provider operating in 19 countries across five continents. Our mission is to help companies of all sizes adapt to change and seize new opportunities. We’re proud to offer a one-stop solution for fleet and connectivity services, tailored to meet the needs of both SMEs and enterprise-level organisations.
Diversity, Equality & Inclusion
Our global DEI networks champion LGBTQ+ inclusion, cultural diversity, women’s empowerment and mental health, neurodiversity and disability support.
We Also Offer
* Global Female Health Policy & Female Health Champions
* Pregnancy Loss and Fertility Treatment Policies
* Endometriosis Friendly Employer (UK)
* Women-focused gym & female health events
* Mental Health First Aiders
* Disability Confident Committed Employer (Level 1)
* Race at Work Charter signatory
* Proud sponsor of Crewe Pride (4 years running) and Cheshire Pride Awards Corporate Supporter 2025
* Community network driving charity and volunteering initiatives, with 8 consecutive years of participation in the UK Challenge.
* Give as you earn scheme (payroll giving) and match funding
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