Job Description
Software Developer – C# / .NET / WinForms
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Hertfordshire / Hybrid
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Permanent | 37.5 hours per week
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Build technology that makes a real difference
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We're working with an established technology-for-good organisation that develops specialist software designed to help protect vulnerable people and support professionals working in critical areas.
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They're looking for a Software Developer to join their talented development team and work on products that have a genuine real-world impact.
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This would suit a junior to mid-level C# developer who enjoys building Windows applications, solving technical problems and wants to work somewhere where the software they create has a meaningful purpose.
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The role
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You'll join an experienced Agile/Scrum development team working on an established product suite alongside continued product development and enhancement.
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Your main focus will be a C# / .NET Windows desktop application, working across the application stack from UI through to database.
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You'll be involved across the development lifecycle, including:
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- Developing new functionality using C# and WinForms
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- Working with SQL and relational databases
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- Contributing to technical design and architecture
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- Writing clean, maintainable and well-tested code
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- Participating in code reviews
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- Writing and maintaining automated unit and system tests
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- Helping improve the quality, reliability and maintainability of the product
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- Supporting releases and providing technical support where required
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- Working collaboratively with other developers and technical colleagues
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- Exploring appropriate use of AI within the development process
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You'll have the opportunity to contribute ideas and influence how the software is built, rather than simply working through a list of predefined tasks.
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What we're looking for
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We're particularly interested in developers with experience in:
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- C#
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- .NET
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- WinForms / Windows desktop development
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- SQL / relational databases
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- Git or another source-control system
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- Automated testing and a strong interest in software quality
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You don't need to have every technology listed. Strong C# fundamentals, good software engineering practices and a willingness to learn are more important.
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Experience with any of the following would be advantageous:
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- Entity Framework
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- WPF
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- DevExpress or Telerik
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- MVVM or similar architectural patterns
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- Agile/Scrum
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- AI-assisted software development
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About you
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We're looking for someone who is curious, collaborative and proactive.
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You'll ideally be someone who:
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- Takes pride in producing high-quality software
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- Enjoys understanding the problem behind the requirement
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- Is comfortable contributing ideas and challenging approaches constructively
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- Enjoys working as part of a team
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- Has a genuine interest in improving their technical skills
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- Wants to understand the impact their work has on the end user
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Why join?
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This isn't simply another C# development position.
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You'll be working for an organisation where technology has a genuine positive impact on people's lives.
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The business has been recognised as a Great Place to Work and has also received external recognition for its employee experience and culture.
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You'll join a collaborative development environment where you'll be able to develop your technical skills, work with experienced engineers and contribute to software that has a genuine purpose.
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Location & working arrangements
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Hertfordshire / Hybrid
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The role offers hybrid working, with an expectation that you'll be able to attend the office at least once a week.
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Permanent | 37.5 hours per week
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If you're a C# developer looking for your next opportunity and the idea of using your technical skills to build technology for good appeals to you, we'd love to hear from you.
Software Developer - C# / .NET / WinForms in Welwyn Garden City employer: Sustain Recruit
Join a forward-thinking company that values innovation and collaboration, offering a dynamic work culture where your expertise in IT project management will be recognised and rewarded. With opportunities for professional growth and development, you will play a crucial role in delivering impactful ServiceNow implementations while enjoying the flexibility of remote work and occasional travel. Our commitment to employee well-being and a supportive environment makes us an excellent employer for those seeking meaningful and rewarding careers.
