Senior Backend Developer
Location: Liverpool City Centre – hybrid working basis
Salary: £65,000–£75,000 depending on experience
Overview
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.
Responsibilities
* Build and maintain scalable microservices in .NET 8.0 and Azure.
* Write clean, testable code focused 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: Clean Architecture and Mediator Pattern are highly valued if you have them.
Tech 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
Qualifications
* 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.
* A natural collaborator with strong communication skills.
* A culture fit who loves mentoring others, sharing ideas, and helping the whole team level up.
* Self‑motivated, with a problem‑solving mindset and a passion for building robust, scalable systems.
* Understanding Clean Architecture and Mediator Pattern is desirable but not mandatory.
Benefits
* Modern tech stack and a strong culture of engineering excellence.
* Hybrid options within the UK.
* Career progression into tech leadership or architecture.
* Supportive environment with clear standards and plenty of opportunity to innovate.
About Acorn Insurance
With over 40 years of experience, Acorn Insurance is a specialist provider dedicated to helping individuals secure motor insurance across the UK. We proudly serve more than 50,000 customers, ensuring they find policies that meet their needs and provide the peace of mind that comes with high‑quality cover.
We celebrate diversity and are committed to fostering a culture where everyone feels respected and valued. As a Disability Confident employer, we ensure our workplace is accessible and inclusive, encouraging our people to bring their best selves to work every day.
All roles are subject to DBS and financial checks. Any offer made will be conditional until checks are completed to a satisfactory standard.
Due to the length of training and complexity of the role, we can only accept applications from candidates who have at least one year remaining on their (Graduate/Post study work) visa. Unfortunately, we are unable to provide visa sponsorships.
We are committed to creating an inclusive and supportive work environment. Whether it’s modifying equipment, adjusting working hours, or providing additional support, we aim to ensure all employees can perform at their best. If you require any reasonable adjustments, please let us know during the application or interview process, and we will work with you to ensure your needs are met.
EEO & Immigration Policy
Acorn Insurance is an equal opportunity employer. We are committed to ensuring that all employees and applicants are able to perform at their best. We celebrate diversity, value inclusion, and do not consider nationality, for the sole purpose of staying compliant with immigration, visa or work certifications and compliance of the law and welcoming people.
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