Backend Developer

The Acorn Group; Liverpool; Hybrid; GBP 45,000 - 55,000; Full time

Benefits offered by this job

Hybrid work

Career growth

Collaborative team

Job summary

The Acorn Group in Liverpool is seeking a Backend Developer to help build reliable, high-performing systems. You will work with C# and .NET 8, Azure, and Docker, write clean code, and collaborate with product and design teams to turn ideas into features.

You’ll grow through exposure to architecture, DevOps and product development while contributing to code reviews and automated testing in a collaborative, fast-paced squad.

Qualifications

• Strong experience building backend apps with C# and .NET.
• Solid knowledge of APIs, SQL Server, and Entity Framework.
• Experience with Azure and Docker in cloud environments.
• Familiarity with CI/CD practices and automated testing.
• Collaborative mindset with a growth-oriented approach.

Responsibilities

• Build and maintain backend services using C# and .NET
• Write clean, testable and maintainable code
• Help design and implement APIs and data solutions
• Deploy and manage applications with Docker and Azure Cloud
• Work with product owners and designers to turn ideas into features
• Learn from experienced developers and contribute to code reviews
• Share ideas and help improve how we build and deliver software

Skills

C#

.NET

APIs

SQL Server

Azure

Docker

Tools

Git

CI/CD pipelines

Unit testing

Integration testing

Job description

Posted Thursday, 27 August 2026 at 00:00

We’re looking for a Backend Developer who’s passionate about building reliable, high-performing systems and wants to keep learning and growing. You’ll join a tight-knit, cross-functional squad that owns its products from idea to delivery and works closely together to build great things.

You’ll have the chance to work with experienced engineers who’ll help you level up your skills in software design, cloud development and modern engineering practices. You’ll also get the opportunity to broaden your experience as a T-shaped developer, exploring areas like architecture, DevOps and product development.

We work together in our Liverpool HQ three days a week because we believe collaboration, feedback and shared problem-solving help us build better software and stronger teams.

Location: Liverpool City Centre HQ / Hybrid (3 days in office) **
Salary: £45,000–£55,000 depending on experience**

What You’ll Do:

• Build and maintain backend services using .NET 8.0 and Azure
• Write clean, testable and maintainable code
• Help design and implement APIs and data solutions
• Deploy and manage applications with Docker and Azure Cloud
• Work with product owners and designers to turn ideas into features
• Learn from experienced developers and contribute to code reviews
• Share ideas and help improve how we build and deliver software

Backend: C#, .NET 8.0, Docker
Database: SQL Server, Entity Framework, MongoDb
Infrastructure: Docker, Azure
Monitoring: Grafana, Loki Stack
Tooling: Git, CI/CD pipelines, Unit and Integration Testing, Agile methodologies

If you’re interested in learning about Clean Architecture or the Mediator pattern, we’ll help you get there.

We care deeply about building high-quality, maintainable systems.

• Automated testing and code reviews as standard
• Monitoring and observability with Grafana and Loki
• Continuous improvement through retrospectives and experimentation

What We’re Looking For:

• Experience building applications in C# and .NET
• A good understanding of APIs, SQL Server and Entity Framework
• Familiarity with cloud platforms like Azure and containerisation with Docker
• An interest in learning best practices around testing and CI/CD
• A collaborative mindset and eagerness to grow as a developer
• A problem-solving attitude and pride in writing clean, maintainable code

Why Join Us:

• Modern tech stack and strong engineering standards
• Supportive environment where you can learn from experienced developers
• Clear opportunities for career progression and skill development
• A collaborative squad where your ideas are valued
• Top-tier tools and a workspace built for creativity and teamwork

Team and Culture

You’ll be joining a squad that values curiosity, openness and craftsmanship. Everyone has a voice, and we help each other get better every day.

We believe in ownership, curiosity and craftsmanship. Everyone has a voice, and we encourage ideas from across the squad. We share knowledge, celebrate success and support each other every step of the way.

It’s a place where you can challenge yourself, grow your skills and build a career you’re proud of.

Grow with Acorn

At Acorn Insurance , we’re proud of our Liverpool roots — and even prouder of how far we’ve come. As part of the Acorn Group , we bring over 40 years of specialist insurance expertise to the table. From humble beginnings, we’ve grown into a national leader, now employing 1,700+ people across the UK and reached a milestone £750 million in total value of insurance policies written in 2024.

We’re growing fast, with new opportunities emerging every week. That growth is largely due to the values we share :