Senior Full Stack Developer

About the ProjectAt CubiCasa, we are rewriting the rules of real estate visualization. Our flagship interactive feature, CubiCasa Tour, bridges the gap between static floor plans and property photography. Using our AI photo matching engine, the platform automatically positions listing photos to precise locations and camera angles on an interactive 2D floor plan. Our tour product receives over 3 million visits per month. Because this product is heavily utilized by homebuyers on real estate portals around the world, the mobile web experience is our absolute priority. We are looking for a Senior Full Stack Developer who pairs robust backend engineering in Go with an extraordinary eye for detail and design execution on the frontend using reactive frameworks (the project is not currently using any reactive framework, but will in the future) Key ResponsibilitiesCraft Immaculate Interfaces: Own the frontend implementation, translating high-fidelity designs into pixel-perfect, fluid, and highly interactive mobile web experiences.Optimize for Mobile First: Ensure touch gestures, zooming, photo carousel, and transitions feel natively smooth on iOS and Android mobile browsers.Build Scalable APIs: Design, develop, and maintain high-performance, low-latency APIs for the tour and auxiliary products.Cloud Architecture: Leverage AWS services in collaboration with our devops team to ensure our infrastructure is secure, auto-scaling, and optimized for global content delivery (CDNs, edge computing, caching).Maintain Visual Quality: Act as a bridge between design and engineering, catching the micro-interactions, layout shifts, and rendering details that turn a good UI into a perfect UI. Technical RequirementsFrontend & UI ExecutionReactive Expertise: Production experience with reactive framework and TypeScript, with a deep understanding of reactivity model.The "Eye for Detail": A proven track record of delivering flawless UI. You care about consistent spacing, smooth cubic-bezier transitions, and preventing layout jank.Interactive Web Graphics: Hands-on experience working with SVG manipulation and web graphics.Mobile-First Mindset: Deep knowledge of mobile web performance profiling, touch event handling, responsive layout constraints, and cross-browser quirks (eg Safari iOS vs. Chrome Android).Backend & InfrastructureGo (Golang): Strong professional experience writing clean, idiomatic, and concurrent code in Go.AWS Ecosystem: Solid understanding of AWS infrastructure (e.g., EC2/ECS, Lambda, S3, CloudFront, RDS/PostgreSQL).Nice-to-HavesExperience with WebGL, vector graphics optimization, or map-based interfaces (Leaflet, Mapbox).A portfolio or examples of past work demonstrating exceptional visual execution and micro-animations. Why CubiCasaCubiCasa is redefining how interior property data is captured. Our mobile app generates accurate floor plans in minutes — no lasers, no training, no hardware. Since 2015, we’ve delivered over 5 million floor plans worldwide to thousands of customers across real estate, appraisal, and proptech sectors. This is your opportunity to join a fast-scaling company, take co-ownership of a modern web product, and directly shape how CubiCasa Products are used by millions of people around the world. At CubiCasa, we offer you:A meaningful mission statement: “Floor plan on every listing”. Everyone and every decision in our company is centered around that singular mission.The flexibility to choose when and where you work to get the job done. You’ll shape your work in the way that fits you and our mission best. We will always warmly welcome you to your home base, our office in Helsinki or Oulu, Finland, when it best suits you. If you don't currently live in Finland and would like to join the team, we will do our outmost best for your smooth relocation.Teams in the U.S., Vietnam and Brazil celebrate the wins and support to get your job done.Competitive salary, with an attractive benefits package including lunch, well-being, and bike benefits provided on top of your base salary.Wide healthcare service