Hybrid Full Stack Developer (Blazor / .Net Core)

We are actively seeking a Full Stack Software Engineer with a strong focus on Blazor and .NET Core to join our high-impact development team. In this role, you'll play a central part in designing and building scalable microservices and rich, responsive web interfaces for our public safety solutions suite.

This is a fantastic opportunity for engineers who are passionate about .NET technologies and modern web development to contribute to life-saving solutions on a global scale.

• Backend Development: Microsoft SQL Server (T-SQL) with relational databases and develop scalable microservices using .NET Core (C#)

• Frontend Development: Build intuitive, responsive UIs using Blazor and JavaScript

• Messaging & Communication: Implement message queuing systems (Kafka, RabbitMQ, Azure Service Bus) for inter-service communication

Preferred Expertise (Strongly Valued)

• Advanced knowledge and hands-on experience with Blazor

• Strong proficiency in .NET Core / ASP.NET Core development

• Experience with Microsoft SQL Server (T-SQL) and sound database design principles

• Familiarity with secure coding, authentication, and authorization standards

• Working knowledge of CI/CD tools (Azure DevOps, GitHub Actions, etc.)

• Comfort with container orchestration platforms (e.g., Kubernetes)

• Experience integrating message queue technologies such as Kafka, RabbitMQ, or Azure ServiceBus

• Strong testing skills using xUnit or equivalent frameworks

Bonus Points For

• Experience with GIS frameworks (e.g., ESRI ArcGIS)

• Background in mission-critical communications or public safety domains

• Familiarity with desktop UI frameworks (WinForms, WPF, MAUI)

• Exposure to cloud platforms (Azure, AWS, GCP)

Minimum Requirements

• Professional experence in a software engineering role

• Strong communication, collaboration, and documentation skills

• Able to work onsite in Hull, ideally 3 days per week - negotiable for good applicants who live further away

• Able to pass UK Security Clearance

Located in Hull our culture is supportive and collaborative. You will be part of a multidisciplinary team where we share our ideas and innovation is strongly encouraged. We are looking for someone with genuine passion and a can-do attitude for what they do. Zetron embodies the values of those who work here, embraces diversity, and offers a comfortable and casual atmosphere where people work hard and feel a part of the organisation.

At Zetron we not only create and stand behind products that help save lives, but our employees are also offered a competitive compensation and benefits package, including:

• Single Private Medical Cover (with the option to select family cover at an additional cost)

• 25 days paid holiday (includes 3 company nominated days) with the option to buy/sell up to 5 days.

• 4 x basic salary life assurance cover

• A Group Pension Plan with fantastic employer contributions

• A selection of tax efficient flexible benefits to suit your individual needs

For 40 years, Zetron (a Codan Company) has delivered interoperable end-to-end command & control systems across multiple industries and international markets. With over 40,000 console positions, hundreds of established partners and value-added resellers, and coverage in more than 100 countries, we are an established global leader in connecting communications centres with field operations, personnel, and constituents.