Senior Frontend Developer

Your role and goals:Productsup is looking for a Senior Frontend Developer to help build the next generation of our platform. You’ll be at the forefront of a major revitalization, shaping a best-in-class experience for a diverse and exciting client base.In this role, you’ll lead projects, mentor engineers, and ensure high-quality, scalable, and maintainable frontend solutions. You’ll collaborate closely with product, design, and backend teams to deliver seamless experiences while modernizing and consolidating our systems.In your first 3 months you will:Dive deep into our platform, codebase, and engineering processesHelp build features for software that works with large data setsContribute as a key member of our team of talented JavaScript and PHP developers In your first 6 months and beyond you will:Design and implement new UI features and application architecture in React + TypeScriptBuild robust client-server contracts with technologies like tRPC, collaborating on shared types and APIsMigrate and consolidate functionality from the legacy Angular/PHP system into a unified applicationWrite clean, well-tested, maintainable code while owning feature development end to endOptimize app performance and frontend build pipelines for large-scale codebasesMentor engineers, lead code reviews, and help establish best practices and frontend standardsWork closely with product, design, and backend teams to deliver excellent UX and consistent UI aesthetics What you bring to the teamMust-haves:Deep frontend expertise with a proven record of solving complex problems and leading projects (typically 7+ years’ experience, but open to all qualified candidates)Proficiency in TypeScript and React, building and maintaining type-safe, large-scale applicationsStrong HTML/CSS fundamentals and UI/UX sense, with experience in semantic, accessible markup and componentized layouts (e.g. Radix UI, TailwindCSS)Hands-on experience with modern build tools (Vite, Webpack, Rollup) and CI/CD for JS/TS, including fast incremental builds, caching, and pipeline optimizationsExcellent English communication skills, both written and spokenDemonstrated ability to work collaboratively in cross-functional teams and to mentor other engineersNice-to-haves:Familiarity with backend technologies such as PHP or Symfony (especially helpful for migration projects)Experience with WebSockets and real-time architecturesPrior experience with Angular (useful for migrating legacy codeExperience using AI-assisted developer tools (e.g. GitHub Copilot, Cursor) to boost productivityBackground in monorepos, one-app architectures, and shared-type strategies between frontend and backendWhat we offer youA permanent position at a profitable and growing companyA unique and thorough onboarding program (remotely or at our Berlin HQ) to help you quickly understand our product and cultureOngoing internal and external training, plus a dedicated budget for your personal and professional growthEmployee referral bonuses — because talent attracts talentThe opportunity to take ownership and make an impact in an international environment with 30+ nationalitiesFlexible and remote working options — we trust you to know how and where you work bestDiscounted Urban Sports Club membershipProductsup values diversity. We celebrate our differences and strive to learn from each other with the firm conviction that diversity drives innovation. Our commitment to equal opportunities begins at the hiring process and extends to our whole working culture. We pledge to social and environmental initiatives that support a sustainable environment. Everyone has a unique contribution to make and all are welcome.