Reonic is on a mission to simplify renewable technology sales and management with our software solutions, covering solar, storage, charging, and heat pumps. With over 500 business customers and backed by top-tier investors, we’re looking to extend our engineering team with a Frontend Developer. Are you excited to contribute to a fast-growing company in the dynamic renewable energies industry? Read on What You’ll 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 500 customers with your attention to detail. 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 We’re Looking For 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 you should join us: You will play a pivotal role in a fast-growing VC-backed startup building a product already loved by more than 500 paying B2B customers. Become part of the dynamic, growing and international team. Nothing is set in stone - You get to shape your workplace. Learning new things is part of your job. A competitive salary package, plus added benefits: Gym membership subsidy, soft drinks, team events, conferences & more. Equipment of your choice: most of us use MacBooks, but you are free to choose the tools you feel most comfortable with Location This is a full-time, in-office position. Our Berlin office is located at Alexanderplatz. Ready to Join the Renewable Revolution? If you're a talented, ambitious Backend Engineer with a passion for clean energy, we want to hear from you Apply now and be part of a mission-driven company that’s simplifying renewable energy access for businesses worldwide.