Senior C#/.NET Engineer to Lead - Microservices & APIs in Crewe

Senior C#/.NET Engineer to Lead - Microservices & APIs in Crewe

Crewe Full-Time 55000 - 65000 £ / year (est.) No working from home possible
Radius

At a Glance

  • Tasks: Lead the development of modern software platforms using .NET technologies and microservices.
  • Company: Join a dynamic telecoms company with a focus on innovation and collaboration.
  • Benefits: Enjoy competitive salary, wellness programmes, free breakfast, and gym access.
  • Other info: Work in a vibrant office with Doctor Who themed features and a culture of continuous learning.
  • Why this job: Step into a leadership role while making a real impact in tech.
  • Qualifications: 4+ years of C#/.NET experience and a passion for mentoring.

The predicted salary is between 55000 - 65000 £ per year.

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 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…

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 workspaces, onsite gym, café, and barista station.

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
  • 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 HQ

About 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.

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 offer:

  • Global Female Health Policy & Female Health Champions
  • Pregnancy Loss and Fertility Treatment Policies
  • Endometriosis Friendly Employer (UK)
  • 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

Next Steps

If you feel we are a good match for each other, you can apply online now! If you’d like to understand more about the role or life at Radius before applying, then please contact our talent team via talent@radius.com.

Radius is an equal opportunities employer. We are committed to welcome people regardless of age, disability, gender identity, race, faith or belief, sexual orientation or socioeconomic background. We are committed to ensuring an inclusive and accessible recruitment process for all candidates. If you require any adjustments or accommodations at any stage of the process, please let us know, and we will do our best to support you.

We reserve the right to close a vacancy before the closing date in the event of an overwhelming response or a change in business priorities.

Senior C#/.NET Engineer to Lead - Microservices & APIs in Crewe employer: Radius

At Radius, we pride ourselves on being an exceptional employer, offering a vibrant and inclusive work culture at our state-of-the-art Radius Campus HQ in Crewe. With a strong focus on employee development, you will have access to tailored personal development plans and numerous opportunities for career progression, all while enjoying modern amenities like an onsite gym and café. Our commitment to innovation and collaboration ensures that every team member can make a meaningful impact, supported by a comprehensive benefits package that prioritises your well-being and professional growth.

Radius

Contact Details:

Radius Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior C#/.NET Engineer to Lead - Microservices & APIs in Crewe

Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online forums. You never know who might have the inside scoop on job openings or can refer you directly.

Tip Number 2

Prepare for those interviews! Research common questions for C#/.NET roles and practice your answers. Don’t forget to showcase your experience with microservices and APIs – that’s what they’re looking for!

Tip Number 3

Show off your projects! Whether it’s a GitHub repo or a personal website, having tangible examples of your work can really set you apart. Make sure to highlight any leadership experiences or mentoring roles you've had.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, you’ll be part of a culture that values continuous learning and growth – just what you need to step into that Team Lead role!

We think you need these skills to ace Senior C#/.NET Engineer to Lead - Microservices & APIs in Crewe

C# Development
ASP.NET Core
Microservices Architecture
Web APIs
Agile Development
SQL Server
Entity Framework

Some tips for your application 🫡

Tailor Your CV:Make sure your CV highlights your C#/.NET experience and any leadership roles you've had. We want to see how your skills align with our microservices and API focus, so don’t hold back on showcasing relevant projects!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Share your passion for software development and leadership. Let us know why you’re excited about the opportunity at Radius and how you can contribute to our team.

Showcase Your Technical Skills:In your application, mention specific technologies you’ve worked with, especially .NET 6+, microservices, and Agile environments. We love seeing concrete examples of your work, so feel free to include links to your projects or GitHub!

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy to do!

How to prepare for a job interview at Radius

Know Your Tech Inside Out

Make sure you brush up on your C# and .NET skills, especially with .NET 6+ Web APIs. Be ready to discuss your experience with microservices architecture and how you've implemented it in past projects. This will show that you're not just familiar with the tech but can also apply it effectively.

Showcase Your Leadership Potential

Since this role is about stepping into a leadership position, think of examples where you've taken charge or mentored others. Prepare to discuss how you would approach leading a team, splitting tasks, and making technical decisions. This will demonstrate your readiness for the next step.

Prepare for Technical Challenges

Expect to face some technical questions or coding challenges during the interview. Practice writing robust unit and integration tests, and be prepared to troubleshoot common issues. This will help you showcase your problem-solving skills and technical expertise.

Engage in Architectural Discussions

Familiarise yourself with architectural principles and be ready to contribute to discussions about system design. Think about how you would enhance existing applications and integrate new features. Showing that you can think critically about architecture will set you apart from other candidates.