Mentor Business Systems
C# Developer

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Company Description
Mentor Business Systems, founded in 1983, is a trusted provider of innovative, secure, and scalable business management systems for field service organizations worldwide. The company delivers agile, market-leading technology solutions that help mobile workforces streamline service and maintenance operations. Its flagship software product, CASH, offers an expanding range of features tailored to the needs of field service and maintenance businesses. Mentor Business Systems is also recognized for strong customer service, providing dedicated telephone and remote support, training, and ongoing assistance to clients in the field.
Role Description
This full-time, on-site C# Developer role is based in Huddersfield and focuses on building and maintaining core components of Mentor Business Systems’ software solutions, including the CASH platform. The developer will write clean, efficient, and testable C# code, implement back-end functionality, and contribute to software design and architecture. Daily responsibilities include troubleshooting and resolving defects, optimizing performance, and collaborating with product and support teams to translate business requirements into technical solutions. The role also involves participating in code reviews, maintaining documentation, and ensuring best practices in security, scalability, and reliability are consistently applied.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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Qualifications


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- Strong foundation in Computer Science, including algorithms, data structures, and software engineering principles.
- Hands-on experience with Software Development and Programming in C#, preferably within commercial or enterprise environments.
- Proficiency in Back-End Web Development, including APIs, databases, and server-side logic.
- Solid understanding of Object-Oriented Programming (OOP) concepts and their practical application in C#.
- Experience with.NET or.NET Core frameworks and relevant development tools (e.g., Visual Studio, source control systems).
- Ability to analyze requirements, design solutions, and produce clear technical documentation.
- Effective communication and collaboration skills, with the ability to work in a cross-functional team on-site.
- Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- Experience in building business management or field service software solutions is an advantage.
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