Unity Developer

Unity Developer Shape the Future of Smarter Cities

London SE1 | Hybrid Working | Full-Time

60-70,000 + Package

GIA is an independent firm of chartered surveyors and technical specialists, known for pioneering rights of light, neighbourly matters, and daylight design in increasingly dense cities. For more than 30 years, they have delivered creative solutions on some of the most prestigious developments in the UK and worldwide. Today, they are seeking a Unity Developer to join their innovative Research & Development team and take the lead on cutting-edge projects that are redefining the built environment.

Why This Role Stands Out

• Lead the development of GIAs flagship 3D smart-city application.
• Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools .
• Work with modern technologies such as Unity 2022+, C#, PostgreSQL/PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities.

The Role

This position offers the opportunity to design and develop advanced applications that drive urban innovation. Responsibilities include:

• Designing and developing backend, desktop, and web applications.
• Building and maintaining RESTful APIs and microservices.
• Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript.
• Developing spatial databases and optimised queries using PostgreSQL/PostGIS.
• Supporting full testing cycles, product upgrades, and change management processes.
• Collaborating with cross-functional teams to deliver robust, future-ready solutions.

What Theyre Looking For

• Strong Unity development experience, including URP/HDRP pipelines, Addressables, and Job System .
• Skills in C# (.NET 6/8), Cesium for Unity, PostgreSQL/PostGIS, and Entity Framework Core .
• Familiarity with modern frontend frameworks such as React with TypeScript .
• Strong Agile, DevOps, and CI/CD experience.
• An interest in geospatial technologies, CAD workflows, or cloud deployment would be a bonus.

The Benefits

Flexible hybrid working

2227 days holiday plus birthday leave and Christmas closure

Pension contributions increasing with service

Private health care, life insurance, and wellbeing support

Season ticket loan, cycle-to-work scheme, eyecare support

Dynamic, social workplace with regular events and longevity awards

Career Growth

This role offers a clear path to progression. As the team grows, youll have opportunities to expand your expertise in cloud computing and geospatial applications, take on project leadership, shape technical strategy, and mentor junior developers.

If youre ready to work on software that makes a real-world impact, GIA would love to hear from you. Apply today to join them in shaping the cities of tomorrow.