Senior .NET Developer
Summary
A senior backend developer role building and maintaining scalable .NET applications. Day to day involves C#/.NET Core services with SQL Server, MongoDB and Redis, message-driven APIs (RabbitMQ/MassTransit), and Azure-based infrastructure with Docker, Kubernetes and CI/CD tooling.
Salary: £60,000 - 75,000 per year
Requirements:- Strong commercial experience with C# and .NET / .NET Core
- Experience with SQL Server, MongoDB and Redis
- Knowledge of REST APIs and messaging technologies such as RabbitMQ or MassTransit
- Experience with Azure, Docker and Kubernetes
- Understanding of CI/CD, Azure DevOps, Terraform and Git
- Experience working within an Agile / Scrum environment
- Strong communication and mentoring skills
- Build and maintain scalable backend applications using C#, .NET Core and modern cloud technologies
- Work as part of a collaborative engineering team
- Contribute to technical decisions and development best practices
- Mentor and support other developers
- Azure
- Backend
- C#
- CI/CD
- Cloud
- DevOps
- Docker
- Git
- Support
- Kubernetes
- MongoDB
- REST
- RabbitMQ
- Redis
- SQL
- Terraform
- microservices
- ASP.NET
More:
We are a successful, growing business in Liverpool, expanding our engineering team. You will work closely with experienced engineers, architects, Product and QA teams in a collaborative environment focused on clean architecture, microservices, cloud technologies, DevOps and continuous improvement. The role offers a salary of up to £75,000 and hybrid working from our St Helens office, along with modern .NET, Azure and microservices technology and genuine influence over technical direction.
last updated 41 week of 2026