C# Developer

Colossus Recruitment Ltd; Bickenhill; Hybrid; GBP 55,000 - 65,000; Full time

Benefits offered by this job

Private medical insurance

Enhanced pension contributions

Income protection

Life assurance

Flexible core hours

Hybrid working

Modern collaborative office

Ongoing training and development

Job summary

Colossus Recruitment Ltd is seeking a skilled Full Stack Software Engineer in the United Kingdom. You will design, develop, and maintain scalable web applications using C#, modern JavaScript frameworks, and cloud technologies, delivering value to fast-moving SME environments.

The role emphasizes building robust front-end UX and back-end services, API integrations, and cloud deployments. You will collaborate within Agile teams and contribute to continuous improvement, with hybrid working and a

Qualifications

• 5+ years of commercial development experience in C#
• Strong knowledge of JavaScript, HTML/CSS, and modern frameworks such as React/Blazor/Next.js
• Experience with Azure cloud services and SQL databases
• Experience with CI/CD pipelines and automated testing frameworks
• Understanding of Agile methodologies (Scrum or Kanban) and collaboration in delivery teams

Responsibilities

• Design, develop, and maintain scalable web applications using C#, modern JS frameworks, and cloud technologies
• Build intuitive front-end experiences and robust back-end services
• Develop functionality through API integrations, databases, and cloud services
• Ensure software quality via unit/integration testing and automation
• Collaborate in Agile teams using Scrum or Kanban
• Troubleshoot and resolve software issues and participate in code reviews
• Improve SDLC tooling, architecture, documentation, and deployment processes
• Work with technical and non-technical stakeholders to deliver business value

Skills

C# development

JavaScript/React

Azure cloud

SQL database

CI/CD pipelines

Agile/Scrum/Kanban

Unit/Integration testing

Communication

Problem solving

Attention to detail

Tools

ServiceNow

Job description

Salary: £55,000 - 65,000 per year

Requirements:

• Minimum 5 years commercial experience developing in C#
• Strong knowledge of JavaScript, HTML/CSS, and 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, including Scrum or Kanban
• Excellent problem-solving and analytical skills
• Strong communication skills, including 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
• Desirable: Previous experience in a fast-paced SME environment
• Desirable: Exposure to large-scale systems integration projects

Responsibilities:

• Design, develop, and maintain scalable web applications using C#, modern JavaScript frameworks, and cloud technologies
• Build intuitive front-end user experiences and robust back-end services
• Develop 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
• Troubleshoot, debug, and resolve software issues
• Participate in code reviews and quality assurance activities
• Improve the software development lifecycle, including tooling, architecture, documentation, and deployment processes
• Work with technical and non-technical stakeholders to deliver business value

Technologies:

• API
• Azure
• Blazor
• C#
• CI/CD
• Cloud
• CSS
• JavaScript
• Kanban
• React
• SQL
• ServiceNow
• Web

More:

We are recruiting for a Full Stack Software Engineer to help design, build, and enhance business-critical applications. We offer the opportunity to influence technical decisions and contribute to projects with business impact in a fast-paced, high-performing organisation with ambitious growth plans. Our culture values curiosity, learning, honesty, and continuous improvement, with a collaborative team environment where ideas are welcomed. We offer private medical insurance, enhanced pension contributions, income protection, life assurance, flexible core working hours, hybrid working, a modern collaborative office, and ongoing training and professional development. All our roles are UK-based.