Are you passionate about renewable energy? Do you thrive in fast-paced, hard-working and purpose-driven environments? If you're ready to use your skills to help build a stable customer base that changes the world for the better, then look no further - we want YOU! Please note that for this role, C2 German proficiency is required. This is a full-time, on-site position based in Berlin. What You’ll Do Own customer success and revenue growth : Continuously improve customer experience, streamlining and improving our processes. Onboard customers : Act as a trusted product expert and business partner, empower them to implement Reonic in the most efficient way. Partner cross-functionally : Collaborate with Support, Product, and Engineering to accelerate adoption, drive usage, and identify market opportunities. Drive Net Revenue Retention (NRR) : Uncover opportunities to expand, renew, and strengthen customer relationships. Lead strategic projects : Plan and implement projects that drive Reonic's growth and innovation What Makes You a Great Fit Resilient, driven, and passionate about helping customers realize long-term value — you thrive on a challenge. Experience in B2B SaaS customer service or success, with a strong emphasis for customer facing interactions. Experience in high growth start up environment. Technical background e.g. (industrial-) engineering, or top tier business school degree. Excellent communication abilities in German and English. Why Join Us? Be part of one of the fastest growing VC-backed startup in Germany with 2000 satisfied B2B customers. A vibrant, collaborative office culture where great ideas happen face-to-face — we're a full in-person team (5 days/week) in a beautiful Berlin office near Hackescher Markt. Enjoy opportunities for personal and professional growth. Embrace the freedom to innovate and make quick changes in a dynamic team. Perks include gym membership, coffee, regular team events, MacBook and more. Receive competitive pay. Even if you don’t meet every requirement, we encourage you to apply! Imposter syndrome shouldn't hold you back—we value talent and passion above all. 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 2000 business customers, we’re growing fast—and we need YOU to help us accommodate our new and existing customers.