About Reonic At Reonic, we’re on a mission to simplify renewable technology with our B2B SaaS solutions for solar, storage, and heat pumps. Backed by top-tier investors and trusted by 1,000 business customers, we’re looking to extend our engineering team with a Frontend Developer—and we need YOU to help us build a team that drives this mission forward. What you will do ✨ ️ Lead Development Efforts : Drive the design and implementation of sophisticated, feature-rich frontends for our B2B SaaS platform. Create Exceptional User Experiences : Build intuitive and responsive interfaces using React, TypeScript, and Tailwind CSS. You'll build great new features to win new markets (France, Italy, ), and excite our 1000 customers with your attention to detail. ⚡ Ship Fast, Ship Smart : Ship features that have an instant impact. Collaborate Across Teams : Partner with team members to deliver seamless, customer-focused solutions. Mentor and Innovate : Guide junior team members, advocate for engineering best practices, and identify opportunities to optimize our development processes. Influence Product Direction : Contribute strategic input to our roadmap, ensuring alignment with customer needs and industry trends. What Makes You a Great Fit ✅ Proven Expertise : 5 years of experience in software development, with a focus on frontend engineering, preferably in React Leadership Skills : Demonstrated ability to lead projects and guide team members in a collaborative environment. Technical Excellence : Deep understanding of TypeScript, component-based architecture, and modern UI/UX principles Product Mindset : A passion for crafting solutions that delight customers and drive measurable business outcomes Startup Experience : Thrives in a fast-paced, high-growth environment, with a proactive and adaptable mindset. Renewable Enthusiasm : A genuine interest in clean energy solutions and sustainability Bonus point : Side projects, OSS, or notable achievements outside of "work" Why Join Us? A pivotal role in a fast-growing VC-backed startup building a product already loved by 1000 paying B2B customers Be part of a fast-growing company that’s making a tangible impact in the renewable energy sector Nothing is set in stone - You get to shape your workplace Learning new things is part of your job A competitive salary package ️♂️ Perks include gym membership, coffee, regular team events, MacBook & more Location This is a full-time, in-office position. Our Berlin office is located at Alexanderplatz. Ready to shape the future of renewable energy? Apply now! If you're a talented, ambitious Senior Frontend Engineer with a passion for clean energy, we want to hear from you!