.NET Developer in Horsham

Be Part of Something Real. Join a leading UK data and software company shaping the future of geospatial and security innovation. Envitia is a UK-based software and services company that helps organisations unlock the full value of their data to make better, faster decisions. With over 30 years of experience, we specialise in delivering innovative software products, solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration.

The Role: Envitia is looking to expand our engineering team and is recruiting a .NET Developer to join our Maplink Pro product team. You’ll help lead the next evolution of our high-performance 2D and 3D mapping and geospatial visualisation SDK, playing a key role in advancing the Maplink Pro platform towards true cross-platform capability. You’ll deliver new features and functionality aligned with our product roadmap. Working at the cutting edge of geospatial technology, you’ll help create robust, scalable solutions used by public sector and Defence organisations across the UK and internationally.

Responsibilities:

• Design and develop the architecture for the migration of a high-performance native C++ 2D and 3D mapping SDK towards a truly cross-platform .NET solution supporting both desktop and mobile applications.
• Contribute to architectural decisions, technical design, and technology selection to enable cross-platform development while maintaining performance, reliability, and security.
• Develop, enhance, and maintain C#/.NET components that integrate with existing native code and support the evolution of the SDK.
• Collaborate closely with the Product Manager, Engineering Manager, and wider product development team within a cross-functional Agile environment.
• Deliver high-quality, well-tested code aligned to a clear definition of done, contributing to regular SDK releases for internal and external user teams.
• Participate in sprint planning, reviews, and retrospectives, providing technical input to shape the product roadmap and delivery priorities.
• Support continuous improvement of development practices, tooling, and code quality across the team.

Experience Required:

Essential:

• Strong experience developing cross-platform applications using C# and .NET.
• Solid background in Windows desktop development, including WPF.
• Proficiency with Visual Studio and MSBuild for building, debugging, and maintaining complex solutions.
• Experience using Git for source control in a collaborative development environment.
• Good understanding of standard software design patterns and best practices.

Desirable:

• Experience with cross-platform UI frameworks such as Avalonia UI.
• Experience working with native build systems such as CMake and integrating managed and unmanaged codebases.
• Practical experience of test-driven development and automated testing approaches.
• Experience developing for mobile platforms.

Security Clearance Requirements: The successful candidate must be eligible to obtain and maintain a SC level security clearance.

Location: The role will require travel to our Horsham offices 2 days a month.

What it’s like to work at Envitia: At Envitia, we believe that our greatest asset is our people. We’re committed to fostering a work environment where every employee feels valued, supported, and motivated to excel. Our comprehensive benefits package is designed to enhance both your professional and personal wellbeing, including:

• Annual Leave: 25 days plus your birthday off, with the ability to buy or sell up to five additional days.
• Private Healthcare: Comprehensive coverage with additional options for family members.
• Training & Skills Development: Ongoing learning opportunities to help you advance your career.
• Fitness Reimbursement: Support for gym memberships or fitness-related expenses.
• Life Assurance: Extensive life insurance coverage for peace of mind.
• Pension Contribution: Competitive options to help you plan for a secure financial future.
• Perkbox Subscription: Discounts on a wide range of products and services.
• Flexible Work Arrangements: Designed to support work-life balance and personal commitments.
• Internal Reward Schemes: Recognition initiatives to celebrate your contributions and achievements.
• Community Engagement & Volunteering: Opportunities to support meaningful causes through company-sponsored programs.

Inclusion at Envitia: At Envitia, we celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome applicants from all backgrounds and walks of life. We believe that our strength lies in our differences, and we are dedicated to fostering a workplace where everyone feels valued, respected, and empowered. We encourage applications from people of all abilities, ages, genders, sexual orientations, races, ethnicities, and religions. We strive to support a culture of inclusion, accessibility, and work-life balance. If you require any accommodations during the application or interview process, please let us know.