Senior .NET Developer (Azure, API Focus)
Senior .NET Developer (Azure, API Focus)

Senior .NET Developer (Azure, API Focus)

Full-Time 75000 - 90000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and build high-quality APIs for a modern platform in the insurance tech sector.
  • Company: Join a global fintech with a collaborative, engineering-led culture.
  • Benefits: Competitive salary of £75,000 plus a 20% bonus and flexible working options.
  • Why this job: Make a real impact on a scalable platform while enjoying high ownership and influence.
  • Qualifications: Strong C# and .NET experience, with a focus on API design and Azure.
  • Other info: Opportunity for continuous improvement and exposure to cutting-edge technologies.

The predicted salary is between 75000 - 90000 £ per year.

London - 1/2 days a month in the office

Sector: Insurance Technology

The Opportunity

As a Senior .NET Developer, you’ll play a key role in designing and evolving a suite of APIs that sit at the heart of the platform. You’ll be building clean, scalable services used across web applications, internal systems, and third-party integrations, working closely with product and distribution teams to deliver real business impact.

What You’ll Be Doing

  • Designing and building high-quality RESTful and event-driven APIs
  • Owning features end-to-end, from design through to production and beyond
  • Implementing core business logic, workflows, and validation within services
  • Driving best practice across API design, versioning, and documentation
  • Collaborating with engineers through code reviews and shared learning
  • Contributing to technical direction and continuous improvement across the platform

What They’re Looking For

  • Strong experience with C# and .NET (ASP.NET Core)
  • Solid understanding of API design principles (REST, versioning, HTTP semantics)
  • Hands-on experience with Microsoft Azure (App Services, Functions, SQL, etc.)
  • Comfortable working in agile teams with modern Git workflows
  • A mindset focused on clean code, scalability, and maintainability
  • Someone who enjoys solving problems and improving how things are done

Nice to Have

  • Experience within insurance
  • Knowledge of authentication and authorisation (OAuth, Entra ID)
  • Exposure to DevOps practices and monitoring in Azure
  • Interest in or experience with AI-assisted development tools

Why Join?

  • Work on a modern, API-first platform with real scale and complexity
  • Backed by a global fintech driving major investment
  • High level of ownership and influence, not just delivery
  • Collaborative, engineering-led culture
  • Competitive package with £75,000 base + 20% bonus

Senior .NET Developer (Azure, API Focus) employer: Arthur Recruitment

Join a forward-thinking insurance technology company in London, where as a Senior .NET Developer, you'll have the opportunity to work on a modern, API-first platform that drives real business impact. With a collaborative, engineering-led culture and a focus on employee growth, you will enjoy high levels of ownership and influence over your work, alongside a competitive salary and bonus structure. This role not only offers a chance to innovate but also to be part of a global fintech backed by significant investment, making it an excellent employer for those seeking meaningful and rewarding employment.
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Contact Detail:

Arthur Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior .NET Developer (Azure, API Focus)

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those in insurance technology. A friendly chat can lead to insider info about job openings or even a referral.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your best API projects and .NET work. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for those interviews! Brush up on your knowledge of RESTful APIs and Azure services. Be ready to discuss how you've implemented clean code and scalable solutions in past projects.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!

We think you need these skills to ace Senior .NET Developer (Azure, API Focus)

C#
.NET (ASP.NET Core)
API Design Principles (REST, versioning, HTTP semantics)
Microsoft Azure (App Services, Functions, SQL)
Agile Methodologies
Git Workflows
Clean Code Practices
Scalability and Maintainability
Problem-Solving Skills
Collaboration and Code Reviews
Technical Direction and Continuous Improvement
Authentication and Authorisation (OAuth, Entra ID)
DevOps Practices
AI-Assisted Development Tools

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with C# and .NET, especially ASP.NET Core. We want to see how your skills align with our needs, so don’t be shy about showcasing your API design principles and Azure experience!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about the Senior .NET Developer role and how you can contribute to our API-first platform. Keep it engaging and relevant to the job description.

Showcase Your Problem-Solving Skills: We love developers who enjoy tackling challenges! In your application, share examples of how you've solved complex problems or improved processes in your previous roles. This will help us see your mindset in action.

Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!

How to prepare for a job interview at Arthur Recruitment

✨Know Your APIs Inside Out

Make sure you brush up on your knowledge of API design principles, especially REST and versioning. Be ready to discuss how you've implemented these in past projects, as well as any challenges you've faced and how you overcame them.

✨Show Off Your C# and .NET Skills

Prepare to demonstrate your expertise in C# and ASP.NET Core. You might be asked to solve coding problems or discuss specific features you've built, so have examples ready that showcase your clean code and scalable solutions.

✨Familiarise Yourself with Azure

Since the role involves working with Microsoft Azure, make sure you're comfortable discussing App Services, Functions, and SQL. If you have experience with DevOps practices in Azure, be sure to highlight that too!

✨Emphasise Collaboration and Continuous Improvement

This role requires working closely with product and distribution teams, so be prepared to talk about your experience in agile environments. Share examples of how you've contributed to team learning and best practices, especially in code reviews.

Senior .NET Developer (Azure, API Focus)
Arthur Recruitment

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