C# Developer

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.

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

• Minimum 5 years' commercial experience developing in C#
• Strong knowledge of:
  Java Script
  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

• Experience with IT Service Management platforms such as Service Now
• Previous experience within a fast-paced SME environment
• Exposure to large-scale systems integration projects

• 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.