Full Stack Engineer

About UnlockLandUnlockLand is a Singapore-based AI technology company building decision-making software for land development, urban planning and pre-development. Our platform combines planning policies, land data, development evidence, geospatial technology and AI-powered workflows, helping developers, planners and public-sector organisations assess opportunities and make better decisions. We are looking for a Full-Stack Engineer with hands-on experience in GIS, Three.js and 2D/3D computational geometry. The RoleYou will build interactive geospatial applications for land analysis, urban planning and development feasibility. Your work will involve 2D maps, 3D scenes, land parcels, buildings, planning controls and geometry-processing workflows. You will work across frontend, backend, spatial databases and cloud infrastructure. You should be able to take a complex geospatial requirement from concept to working product. This role requires real project experience across all three areas: GIS and geospatial data Three.js or comparable web-based 3D technology 2D and 3D geometry processing Key Responsibilities Build interactive 2D and 3D geospatial web applications. Develop map-based interfaces for land, planning and development workflows. Build and optimise Three.js scenes containing terrain, parcels, buildings and planning data. Implement object selection, highlighting, measurement, editing and layer controls. Develop tools for drawing and editing points, lines, polygons, boundaries and building forms. Implement geometry operations such as intersection, clipping, buffering, offsetting, union and subtraction. Develop triangulation, extrusion, mesh generation and spatial-measurement workflows. Process coordinate systems, projections and geospatial transformations. Work with GeoJSON, vector tiles, raster data, shapefiles and 3D geospatial formats. Design spatial APIs, backend services and data-processing pipelines. Build and optimise spatial database queries using PostgreSQL and PostGIS. Integrate external GIS services, planning datasets and mapping APIs. Improve rendering performance for large geospatial and 3D datasets. Develop customer POCs and convert successful prototypes into production features. Work with urban planners, product designers and customers to understand professional workflows. Translate planning and development requirements into reliable technical solutions. Test, deploy, monitor and maintain production systems. Use AI-assisted development tools while remaining responsible for architecture and code quality. Requirements At least 3 years of relevant software engineering experience. Demonstrated experience building GIS or web-mapping applications. Strong hands-on experience with Three.js. Experience developing interactive 3D scenes for production applications. Strong understanding of 2D and 3D geometry. Experience implementing computational geometry operations. Strong proficiency in JavaScript or TypeScript. Experience with React, Next.js or a similar frontend framework. Backend development experience with Python, Node.js or a comparable technology. Experience with PostgreSQL, PostGIS or another spatial database. Understanding of coordinate reference systems, map projections and spatial transformations. Experience designing APIs and deploying cloud-based applications. Ability to independently solve complex technical and geometry-related problems. Strong attention to performance, accuracy and maintainability. Professional-level English. Comfortable working in a fast-moving startup environment. Relevant TechnologiesExperience with several of the following is preferred: Three.js React and Next.js TypeScript and JavaScript Python or Node.js PostgreSQL and PostGIS Mapbox GL, MapLibre GL, OpenLayers or Leaflet CesiumJS or 3D Tiles Turf.js, JSTS, GEOS, Shapely or similar geometry libraries GeoJSON, vector tiles, raster data and shapefiles WebGL and GPU-based rendering IFC, BIM, CAD or CityGML data Supabase, AWS, Google Cloud or similar infrastructure Preferred Experience Experience building software for urban planning, architecture, real estate, construction or infrastructure. Experience with parcel, zoning, building-envelope or development-feasibility analysis. Experience with terrain models, point clouds, 3D Tiles or building models. Experience with CAD, BIM, IFC or computational-design workflows. Familiarity with Rhino, Grasshopper, Blender or other 3D modelling tools. Experience optimising rendering and spatial queries for large datasets. Experience integrating LLMs or AI agents into technical products. Academic or professional background in computer science, geomatics, GIS, architecture, urban planning or computational design. A portfolio of relevant GIS and 3D applications. Important RequirementApplicants must have practical project experience in GIS, Three.js and geometry processing. General frontend experience without geospatial or 3D project work will not be sufficient for this role. What Success Looks Like Complex geospatial datasets render quickly and accurately. Users can analyse and edit land, planning and building information in 2D and 3D. Geometry operations produce reliable and technically correct results. Customer requirements are translated into usable technical workflows. POCs can be developed quickly and converted into maintainable production features. The platform remains reliable as data volume and geometric complexity increase. What We Offer Work on technically challenging GIS and 3D problems. Build products used for real land-development and urban-planning decisions. Work directly with planners, designers, customers and product teams. Take ownership of major product features and technical decisions. Work at the intersection of AI, geospatial technology and the built environment. Join a Singapore technology company serving international markets.