We’re looking for a Senior Full Stack Engineer with strong frontend expertise and a sharp eye for quality, performance, and user experience.In this role, you’ll play a key part in evolving our web platform — shaping architecture, improving performance, and setting engineering standards for our real-time AI product.If you enjoy building fast, scalable applications, care about clean code, and like influencing how things are built — this could be a great fit.What You’ll DoDrive frontend improvements by introducing modern tools, patterns, and best practicesBuild and scale high-performance web applications using React and modern frontend technologiesOwn features end-to-end — from idea and design to production and iterationWork closely with Product, Design, and AI teams to deliver smooth, intuitive user experiencesSupport backend development (Python) and ensure seamless integration across the stackMentor other engineers and help improve team processes (code reviews, testing, CI/CD)Maintain high standards for code quality, performance, and reliabilityWhat We’re Looking For5+ years of experience, with strong frontend focus (React / Angular / Vue, TypeScript)Experience improving and scaling frontend architecture in production environmentsSolid understanding of modern tooling (e.g. Vite, Webpack) and browser fundamentalsGood grasp of backend concepts (API design, data flow, scalability); Node.js or Python is a plusProduct mindset and attention to UX, performance, and maintainabilityStrong communication skills and willingness to support and mentor othersAbout EER Poland