AI-Driven Full-Stack Engineer (w/m/d)

About RankscaleRankscale is redefining how brands understand and manage their presence across AI-powered search engines. Our platform measures and optimizes visibility in generative engines from OpenAI, Google, Perplexity and all others — pioneering the new discipline of Generative Engine Optimization (GEO).We’re live, scaling fast, and serving paying customers worldwide. As we expand, we’re growing our product and engineering team to deliver even deeper insights and richer analytics experiences for our users.The OpportunityWe are looking for a frontend engineer who enjoys building data-rich, high-quality user interfaces. You will own the parts of the product where users see and explore their visibility data. This includes designing clear dashboards, ensuring data accuracy in visualizations, and maintaining automated testing to keep everything reliable.This is one of our first technical hires. You will help shape our frontend architecture, tooling, and engineering culture from the start.What You’ll DoBuild and refine Rankscale’s data-driven dashboards, visualizations, and reporting interfaces (React / Shadcn / TypeScript / Tailwind).Work with structured data and APIs to create clear, interactive visualizations.Implement automated testing with Playwright, Jest, or similar frameworks.Collaborate with product and design to improve usability and performance.Optimize frontend performance, accessibility, and maintainability.Explore and use AI-assisted testing and development tools to accelerate iteration and quality assurance.Maintain a consistent component library and documentation standards.Improve the analytics user experience through feedback and iteration.Tech StackCore: React, TypeScript, Tailwind, Shadcn UITesting: Playwright / Jest / Cypress / VitestVisualization: Recharts, D3.js, Plotly, or similarAPIs & Data: BigQuery, Firestore and othersAI Tools: Copilot, ChatGPT Code Interpreter, automated test-generation frameworksYou do not need to master every tool listed, but you should be comfortable working across the frontend stack and learning quickly.Who You Are3 + years of professional experience in modern frontend development.Deep interest in data visualization, analytics, and performance metrics.Eye for detail and precision; you care about how numbers and visuals tell a story.Belief that testing and QA are part of good design.Curious about using AI tools to improve development speed and reliability.Communicative, pragmatic, and self-driven; you like seeing your work impact real users.Excited to join a scaling AI SaaS platform where your work directly shapes the product experienceNice-to-HavesExperience with design systems and component architecture.Background in analytics products, dashboards, or marketing-tech tools.Understanding of data accuracy, statistical visualization, or UX for analytics.Familiarity with SEO or GEO concepts.Contributions to open-source visualization or testing frameworks.Enthusiastic side/hobby projects that you want to show us.Why Join RankscaleJoin an AI SaaS platform with proven market fit.Build the core front-end and analytics experience of a fast-growing AI SaaS platform.Work at the intersection of AI, analytics, and search visibility, a space exploding in relevance.Collaborate closely with our CTO and founders who value innovation, quality, and autonomy.Competitive salary based on experience + equity options.Flexible hybrid or remote setup within CET±2.A culture built on trust, autonomy, and shared ambition.Be there from the start, form the company with usIf you want to build interfaces that make AI analytics clear and usable, and you like working in fast and growing teams, we would love to talk