Senior Frontend Engineer

8returns

At 8returns, we’re transforming one of the most frustrating, environmentally damaging, and costly aspects of e-commerce: returns. Trusted by the fastest-growing DTC names like OACE, PEGADOR, GOT BAG, and now adopted by iconic brands such as Fielmann, Tommy Hilfiger, and Reebok, we’re inventing what’s next in post-purchase. As a Frontend Engineer at 8returns, you’ll be at the core of how merchants and their customers experience our product. You’ll build fast, beautiful, and reliable interfaces that turn returns data into action. If you care about craft, love to ship, and want real ownership, this is your role. TASKS * Rapidly prototype and ship new features in Next.js / TypeScript * Build AI-powered interfaces that help merchants understand and reduce returns * Own the frontend experience end-to-end, from ideation to metrics * Talk to merchants, understand their pain, and translate it into great UX * Work closely with founders to shape product direction REQUIREMENTS * 2+ years building production apps in Next.js / TypeScript * Strong frontend fundamentals (performance, accessibility, design systems) * Experience integrating APIs and AI/LLMs into real products * Strong product sense and opinions on what makes great UX * You ship first, perfect later * Autonomous. We give you problems, not solutions BONUS POINTS IF: * You’ve worked in an early-stage startup or as a founder * You can handle backend basics (Rails, PostgreSQL) when needed * You’ve built data-heavy interfaces that don’t suck * You understand the AI/ML landscape beyond just API calls BENEFITS * Direct impact on millions of users * Own what you build, no layers of approval * Low-meetings, high-ownership culture * Work directly with the founders * Berlin-based, flexible hybrid setup * Meaningful equity in a profitable, fast-growing company We run lean, stay profitable, and care about solving real merchant problems. Ready to build the future of e-commerce? Let’s talk.

Trading 212

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years.   WHAT YOU’LL DO * Own and evolve our monorepo, ensuring it stays healthy, performant, and easy to work in as the codebase grows * Design, build, and maintain CI/CD pipelines for React Native and web targets, driving reliability and fast feedback loops for the engineering team * Author and maintain shared TypeScript libraries — state management patterns, networking layers, error handling utilities — consumed across all frontend products * Own the mobile release process end-to-end, including Android build configuration, versioning, and deployment automation * Integrate and maintain observability tooling (Sentry, Amplitude) at the platform level, so product teams get reliable instrumentation out of the box * Identify and resolve build bottlenecks, dependency issues, and tooling gaps that slow down engineering velocity * Collaborate closely with product frontend teams to understand their pain points and translate them into platform improvements   WHAT YOU NEED TO HAVE * At least 4 years of professional experience in frontend or mobile engineering, with a meaningful portion spent on platform, infrastructure, or developer tooling work * Production-grade TypeScript - strong typing discipline, not just familiarity * Hands-on React Native experience in a production app, including an understanding of the native layer * Practical Kotlin experience on Android - native modules, build configuration, or Android-side CI/CD work * Direct involvement in CI/CD pipeline ownership or significant contribution — mobile or frontend, any tooling * Ability to think in systems and write code for other engineers, not just end users * Comfortable working autonomously and making decisions without waiting for full consensus   NICE TO HAVE (OPTIONAL) * Hands-on experience with nx or pnpm workspaces specifically * Familiarity with Vite and Expo for tooling or build configuration * Exposure to Reanimated or React Native Gesture Handler * Background in fintech or a high-scale consumer app where release reliability was business-critical   WHAT WE OFFER * Challenges that will help you grow and realise your potential * Opportunity to make a big Impact - you will build innovative services used by millions of investors to build wealth * Work with smart, spirited, helpful, high-performing colleagues with a common goal * An environment where nothing is set in stone * Appreciation for your talent and ideas * Generous remuneration package including annual bonuses * Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year * Delicious treats and a spacious game room Are you ready to accelerate your career with us? We'd love to hear from you! We process applicant data confidentially and in accordance with applicable data protection laws. We may use AI-powered tools to help review applications, but all hiring decisions are made by our human recruitment team. Where required by law, we rely on your consent to use these tools. You may withdraw this consent or exercise your data protection rights at any time by contacting us.

Peec AI

WHAT YOU’LL DO * Take ownership of complex frontend features end-to-end - from scoping and architecture to polished, high-quality delivery * Push the boundaries of what’s possible with modern frontend technologies and build pixel-perfect, visually refined UI that matches design specs down to the smallest detail * Collaborate closely with Product, Design, and Backend teams to translate ideas into elegant, performant user interfaces, ensuring a world-class user experience * Maintain high standards for code quality, accessibility, and performance through thoughtful reviews, testing, and best practices * Contribute to evolving our frontend architecture, component library, and design system to support rapid iteration at scale WHAT WE’RE LOOKING FOR: * 5+ years of professional frontend engineering experience, ideally in fast-paced startup or high-growth environments * Deep expertise in TypeScript, React, and modern frontend tooling - with a proven track record of shipping high-quality user-facing products * Experience contributing to, maintaining or building a shared component library or design system * A strong portfolio or GitHub showcasing frontend development expertise * Strong CSS knowledge, professional experience with TailwindCSS and semantic HTML * Exceptional attention to visual detail and a strong eye for design - capable of translating Figma designs into flawless, pixel-perfect interfaces * Strong communication skills and a high sense of ownership - able to operate with autonomy while staying aligned with team goals * Some markers of excellence, which could also be non-work related, like having a high FIDE rating * Genuinely kind, collaborative and hard-working people who make the team better through empathy and openness TECH STACK * Languages: TypeScript, CSS * Frontend: React, Tailwind CSS, Firebase/Firestore BONUS POINTS * Background working on AI products, complex data-heavy UIs, or real-time applications * Familiarity with technologies like Firebase/Firestore and shaping efficient frontend–backend interfaces * Strong architectural ability to design clean, scalable frontend systems * Academic background in Computer Science or a related technical field WHAT WE OFFER * Exciting and challenging work with real impact and ownership at one of Europe’s fastest-growing Series A startups * Regular team events and off-sites * Aggressive equity compensation package * Paid Dinner & Uber home when working late * The most beautiful office space and work environment in Berlin