C# Developer

Chubb Fire & Security · Huddersfield, ENG, GB

Full-time£35,000 – £45,000Published Jul 24, 2026

Apply directly on Chubb Fire & Security’s careers site — no account needed.

About the role

Join a leading technology company that's been delivering innovative business management solutions since 1983.

We're looking to add a C# Developer to our team here at Mentor, on a hybrid basis, working out of our Huddersfield office. The successful candidate will work closely with cross-functional teams to deliver scalable, reliable, and efficient solutions using Microsoft technologies. This role requires strong problem-solving skills, attention to detail, and a commitment to writing clean, maintainable code.

Since 1983, Mentor Business Systems has built an enviable reputation for designing and distributing innovative, secure and scalable business management systems. Through our market-leading technology, we deliver comprehensive and nimble software solutions that solve problems for field service organisations. As part of the global API Group, we join a family of organisations including Chubb Fire & Security. Leadership, and leadership development as our most powerful strategic advantage and the best way to invest in our people.

Salary: Up to £45K DoE

Benefits:

  • 25 days holiday + holiday purchase scheme
  • Quarterly bonus
  • Free onsite parking
  • Cycle to Work Scheme
  • Employee Referral Scheme (£1000)
  • Company Pension Scheme
  • Life Assurance (4 x Basic Salary)
  • Employee Scholarship Scheme
  • A Central Benefits Platform offering a wide variety discounts
  • Health & Wellbeing Resources
  • Bravo Awards: Recognising outstanding contributions from all employees and encourage excellence

Key Responsibilities:

  • Design, develop, and maintain applications using C# and the .NET framework/.NET Core
  • Write clean, efficient, and well-documented code following industry best practices
  • Collaborate with business analysts, designers, and other developers to understand requirements and deliver technical solutions
  • Develop and integrate RESTful APIs and third-party services
  • Troubleshoot, debug, and resolve software defects and performance issues
  • Create and execute unit and integration tests to ensure software quality
  • Participate in code reviews and contribute to continuous improvement of development standards
  • Maintain and optimise SQL Server databases, including writing queries, stored procedures, and performance tuning
  • Support deployment activities and monitor applications in production
  • Stay up to date with emerging technologies and recommend improvements to existing systems

Required Skills and Experience:

  • Strong experience developing applications using C# and .NET/.NET Core
  • Solid understanding of object-oriented programming (OOP) principles and design patterns
  • Experience with Microsoft SQL Server and database development
  • Knowledge of REST APIs, JSON, and web services
  • Experience with Git or other version control systems
  • Familiarity with Agile/Scrum development methodologies
  • Strong analytical and problem-solving skills
  • Excellent communication and teamwork abilities

Desirable Skills:

  • Experience with ASP.NET MVC, ASP.NET Core, or Blazor
  • Knowledge of Entity Framework or Entity Framework Core
  • Experience with Azure cloud services
  • Familiarity with Docker, Kubernetes, or CI/CD pipelines
  • Experience with JavaScript frameworks such as Angular or React

Qualifications:

  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent commercial experience
  • Relevant Microsoft certifications are advantageous but not essential

Key Competencies:

  • Strong attention to detail
  • Ability to work independently and as part of a team
  • Effective time management and organisational skills
  • Commitment to continuous learning and professional development
  • Ability to manage multiple priorities and deliver work to agreed deadlines

INDALL

Pay: £35,000.00-£45,000.00 per year

Benefits:

  • Additional leave
  • Casual dress
  • Company pension
  • Cycle to work scheme
  • Free parking
  • On-site parking
  • Sick pay
  • Store discount
  • Work from home

Work Location: Hybrid remote in Huddersfield HD2 1GQ

Description sourced from the public Indeed listing — this role isn't indexed from the company's career page yet.

Skills

  • C#
  • .NET
  • SQL
  • SQL Server
  • REST
  • Agile
  • Scrum

Never be applicant #200 again

Every job here is indexed straight from company career pages — often hours after it opens, before it reaches the big boards. Create a free account and get your best matches in a twice-daily digest.

  • Your best matches, twice a day
  • No duplicates, no ghost jobs, no recruiter spam
  • Every job free to browse — pay only when you apply
Get my matched jobs

Free account — no card required

93 119 live jobs · 17 642 companies tracked · 136 added today

Similar jobs

C# Developer — Chubb Fire & Security · Real Job Offers