C# Developer

C# Developer (C# MSSQL, Azure, Javascript) Hybrid working

Our client is looking for an experienced Full Stack Software Engineer with strong C# expertise to help design, build and enhance the next generation of business-critical applications.

This is an opportunity to join a high-performing, fast-growing organisation where technology plays a key role in driving innovation, improvement and operational excellence. You’ll work on complex systems, influence technical decisions, and contribute to projects that have a genuine business impact.

This is a fast-paced environment with ambitious growth plans. The workload and expectations are higher than many organisations, not because of poor processes, but because the business is continually evolving, improving and raising standards.

Working in a dynamic and changing environment
Taking ownership and accountability
Being challenged and continuously developing
Collaborating with talented, driven colleagues
Contributing ideas and challenging thinking constructively

The culture values curiosity, learning, honesty and continuous improvement. Hierarchy does not get in the way of good ideas, and success comes from working together to achieve exceptional outcomes.

The Role

As a Software Engineer, you will:

Design, develop and maintain scalable web applications using C#, modern JavaScript frameworks and cloud technologies
Build intuitive front-end user experiences alongside robust back-end services
Develop new functionality through API integrations, databases and cloud services
Ensure software quality through unit testing, integration testing and automation
Collaborate within Agile delivery teams using Scrum or Kanban methodologies
Troubleshoot, debug and resolve software issues
Participate in code reviews and quality assurance activities
Contribute to improvements across the software development lifecycle, including tooling, architecture, documentation and deployment processes
Work closely with both technical and non-technical stakeholders to deliver business value
About You

Essential
Minimum 5 years’ commercial experience developing in C#
Strong knowledge of:
JavaScript
HTML/CSS
React, Blazor, Next.js or similar modern frameworks
Experience working with Azure cloud services
Strong SQL database knowledge
Experience with CI/CD pipelines and automated testing frameworks
Understanding of Agile delivery methodologies (Scrum/Kanban)
Excellent problem-solving and analytical skills
Strong communication skills with the ability to explain technical concepts clearly
High attention to detail
Experience creating and maintaining technical documentation, including user stories, system documentation and database schemas
Desirable
Experience with IT Service Management platforms such as ServiceNow
Previous experience within a fast-paced SME environment
Exposure to large-scale systems integration projects

What’s On Offer?

Private medical insurance
Enhanced pension contribution
Income protection
Life assurance
Working Environment
Flexible core working hours
Hybrid working model
Modern, collaborative office environment
Ongoing training and professional development opportunities

All our roles are UK based. When submitting your application to Colossus, please ensure the following

• Your CV has your address and postcode.
• You also have your correct phone number and email address so we can contact you asap regarding your application.