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- Tasks: Join us as a Senior Backend Developer, crafting scalable applications with .NET 8 and C#.
- Company: Acorn Insurance has over 40 years of experience in providing motor insurance across the UK.
- Benefits: Enjoy 31-35 days of annual leave, enhanced parental pay, and a flexible benefits platform.
- Why this job: Be part of a supportive culture at a Great Place to Work, focusing on career growth and wellbeing.
- Qualifications: 5+ years in .NET development, proficient in microservices, RabbitMQ, and large dataset handling.
- Other info: Hybrid working available; must have at least one year remaining on your visa.
The predicted salary is between 60000 - 75000 ÂŁ per year.
Senior Backend Developer at Acorn Insurance and Financial Services Limited
Base pay range: £65,000 – £75,000 depending on experience.
We’re looking for a passionate Senior Backend Developer who thrives on solving complex problems and building systems that scale. You’ll be at the forefront of creating next‑generation backend services that genuinely make a difference for our customers and business. In this role, you’ll have the freedom to lead, the support to grow, and the chance to mentor others—because we believe learning and sharing knowledge are what make a team truly exceptional.
What You’ll Do
- Build and maintain scalable microservices in .NET 8.0 and Azure.
- Write clean, testable code with a focus on performance and maintainability.
- Collaborate with product owners and designers to shape features from concept to delivery.
- Participate in code reviews and mentor junior developers.
- Architect robust APIs and database solutions with clean, maintainable code.
- Deploy and manage applications using Docker and Azure cloud services.
- Contribute ideas, share feedback, and grow together with a team that values openness and collaboration.
- Bonus: Demonstrate Understanding of Clean Architecture and MediatR Pattern.
Technical Stack
- Backend: C#, .NET 8.0, ASP.NET Core
- Database: SQL Server, Entity Framework
- Infrastructure: Docker, Azure
- Tools: Unit and Integration Testing, Git, Agile methodologies
What We’re Looking For
- Proven senior‑level experience building microservices running on Docker.
- Expertise in C#, .NET 8.0, and ASP.NET Core.
- Strong experience with SQL Server and Entity Framework.
- Hands‑on experience with unit and integration testing.
- Excellent communication skills and strong collaboration mindset.
- Passion for mentoring others, sharing ideas, and helping the whole team level up.
- Self‑motivated, problem‑solving mindset, and enthusiasm for building robust, scalable systems.
- Understanding of Clean Architecture and MediatR Pattern preferred but not mandatory.
Bonus Points For
- Understanding of Clean Architecture and MediatR Pattern.
- Solid grasp of asynchronous communication in distributed systems.
- Experience with high‑throughput, data‑intensive systems.
- Contributions to systems utilising Event‑Driven Architecture.
Why Join Us?
- Modern tech stack and a strong culture of engineering excellence.
- Hybrid working options within the UK.
- Career progression into tech leadership or architecture.
- Supportive environment with clear standards and plenty of opportunity to innovate.
Benefits
Wellbeing: Enhanced annual leave entitlement starting at 31 days and potentially increasing to 35 days per year (including bank holidays); enhanced paternity pay and 16 weeks full maternity pay.
Financial: Core level of life assurance with the option to increase cover via salary sacrifice and add your spouse/partner; ability to access earnings before payday via Dayforce Wallet; scheme with a £250 bonus for each colleague recommended who passes probation; flexible benefits platform with an annual flex pot allowance to spend on over 15 benefits of your choice; opt‑in to donate to charity or climate‑positive organisations directly from salary.
Reward & Recognition: Long Service Award paid on 5, 10, and 15 years’ service; reward and recognition hub; consistent company events including awards, competitions, and charity fundraisers; department budgets for social and engagement events.
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Information Technology
Industry
IT Services and IT Consulting
All roles are subject to DBS and Financial checks. Any offer made will be conditional until checks are completed to a satisfactory standard.
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Senior Backend Developer employer: Acorn Insurance and Financial Services Limited
Contact Detail:
Acorn Insurance and Financial Services Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend Developer
✨Tip Number 1
Familiarise yourself with the latest .NET technologies, especially .NET 8 and C#. Being well-versed in these technologies will not only boost your confidence but also demonstrate your commitment to staying current in the field.
✨Tip Number 2
Showcase your experience with microservices architecture and message bus systems like RabbitMQ. Prepare specific examples of how you've implemented these in past projects, as this will highlight your practical knowledge and problem-solving skills.
✨Tip Number 3
Brush up on your understanding of handling large datasets and data streaming. Be ready to discuss any challenges you've faced in this area and how you overcame them, as this is a key aspect of the role.
✨Tip Number 4
Emphasise your teamwork and communication skills during discussions. Since the role involves working closely with cross-functional teams, demonstrating your ability to collaborate effectively will make you a more attractive candidate.
We think you need these skills to ace Senior Backend Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with .NET 8, C#, and microservices architecture. Use specific examples from your past work that demonstrate your ability to handle large datasets and implement message bus architectures.
Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role at Acorn Group. Mention how your skills align with their requirements, particularly your experience with RabbitMQ and data streaming. Show that you understand their mission and values.
Showcase Relevant Projects: If you have worked on projects involving MediatR, MassTransit, or any of the databases mentioned (MongoDB, Azure Cosmos DB, MySQL, MS SQL Server), be sure to include these in your application. Describe your role and the impact of your contributions.
Highlight Soft Skills: Acorn Group values strong communication and teamwork abilities. Include examples in your application that demonstrate your experience working in Agile/Scrum environments and how you effectively collaborate with cross-functional teams.
How to prepare for a job interview at Acorn Insurance and Financial Services Limited
✨Showcase Your Technical Skills
Be prepared to discuss your experience with .NET 8 and C#. Bring examples of projects where you've implemented microservices architecture or worked with RabbitMQ. Demonstrating your technical expertise will help you stand out.
✨Understand the Company’s Tech Stack
Familiarise yourself with the technologies mentioned in the job description, such as MongoDB, Azure Cosmos DB, and MassTransit. Showing that you have done your homework on their tech stack will impress the interviewers.
✨Prepare for Problem-Solving Questions
Expect questions about identifying bottlenecks and bugs in applications. Be ready to explain how you would approach these issues and provide examples from your past experiences where you successfully resolved similar challenges.
✨Emphasise Team Collaboration
Since the role involves working closely with cross-functional teams, highlight your teamwork and communication skills. Share examples of how you've collaborated effectively in an Agile/Scrum environment to deliver successful projects.
