Frontend Engineer | 3D Graphics & Data Visualisation

Senior Frontend Engineer – 3D Graphics, Digital Twins & Geospatial Visualisation Hybrid | Competitive Salary + Equity + Equity + Outstanding Benefits Build the next generation of mission-critical visual technology. We're partnering with one of the UK's most exciting defence technology start-ups—a rapidly scaling business bringing together exceptional engineers from Palantir, Microsoft, Tractable and other world-leading technology companies. Their mission is to build cutting-edge software that gives users unparalleled awareness of complex, real-world environments. Think digital twins, real-time situational awareness, AI-powered analytics, geospatial intelligence, sensor fusion and immersive 3D visualisation. They're now looking for a Senior Frontend Engineer to help shape the visual experiences behind these next-generation platforms. This is a chance to work on products that push the boundaries of modern frontend engineering, blending beautiful user experiences with complex data, real-time systems and advanced graphics. What you'll be building High-performance 3D digital twin applications that mirror real-world environments.Interactive geospatial mapping platforms combining live operational and sensor data.Rich data visualisation tools that transform millions of data points into intuitive, actionable insights.Immersive mission planning and situational awareness interfaces.Real-time dashboards powered by streaming data and AI-driven analytics.Next-generation visual platforms that fuse software, hardware and autonomous systems into a seamless user experience.What you'll be doing Building modern frontend applications using TypeScript, React and modern web technologies.Developing high-performance 3D graphics using technologies such as Three.js, WebGL, Babylon.js or similar.Creating advanced mapping experiences using platforms such as Mapbox, Cesium, Leaflet or comparable GIS technologies.Building sophisticated data visualisations using libraries such as D3.js, Deck.gl or similar.Optimising rendering performance for large-scale datasets and real-time visualisation.Working alongside software, systems, AI and hardware engineers to build truly integrated products.Helping shape the technical direction of an engineering-first organisation.What they're looking for You'll likely have experience with several of the following: Commercial frontend development using React, TypeScript or JavaScript.3D graphics, rendering or visualisation technologies.Digital twins, simulation platforms or interactive visual environments.Geospatial technologies, GIS or mapping platforms.Real-time data processing and streaming applications.Data visualisation and analytical interfaces.Performance optimisation for graphics-heavy web applications.A passion for solving technically challenging problems and building products that genuinely make an impact.Why join? Work alongside an exceptional engineering team from Palantir, Microsoft, Tractable and other elite technology companies.Build products at the intersection of AI, digital twins, autonomy, geospatial intelligence, sensor fusion and advanced visualisation.Solve complex engineering challenges using cutting-edge technology with real-world impact.Join a fast-growing, well-funded start-up where you'll have genuine influence over both the product and engineering direction.Competitive salary, equity and an excellent benefits package.Hybrid working with a collaborative, engineering-first culture that values innovation, autonomy and technical excellence.If you're excited by 3D graphics, digital twins, mapping, real-time systems and building software that's pushing the boundaries of what's possible, I'd love to tell you more about this opportunity.