People & Office Working-Student (m/f/d) Berlin, hybrid Working hours: up to 20h/week About us Thermosphr is one of the most exciting ClimateTech startups in Europe, backed by top European investors and recently funded. Our mission is to reduce energy consumption in commercial buildings by >30%. We support real estate’s energy and CO2 transition with a cutting-edge energy autopilot technology. We control large-scale energy and HVAC (heating, ventilation, air conditioning) systems and optimize energy in tens of buildings with a unique predictive thermal modeling solution. We make ESG more than vain words with tangible results in GWh and tons of CO2 saved. We are passionate about what we do and are ready to do whatever it takes continuously develop the best performing solution and have a positive impact on the planet. We believe in people and relationships more than standard prescribed processes and this is our fuel as a team and a business. We got each others’ back and we promote everyone’s autonomy and expertise regardless of their position or seniority. Start-up life is always an adventure, you can expect this one to be a unique opportunity to make a real difference, while being part of an international fast-paced, ambitious, and inspiring team. What you will do Accurately record and process financial transactions, ensuring precision and compliance. Perform monthly reconciliations, prepare summary reports, and identify opportunities for process optimization. Take ownership of the accounts payable and receivable processes, including preparing invoices, monitoring payments, and managing supplier relationships. Maintain well-organized documentation, ensuring readiness for audits and compliance checks. Act as a key point of contact for tax advisors and authorities, ensuring smooth communication and compliance with regulations. What We’re Looking For Completed degree, ideally in finance, accounting, business administration, or a related field. Practical experience in finance or accounting, with a solid understanding of accounting principles, any experience with accounting software is highly valued. Strong attention to detail combined with excellent analytical and communication skills. Proven ability to handle tasks with discretion and confidentiality. Native-level German proficiency and fluency in English. Proactive and adaptable, with the ability to contribute effectively in a dynamic and fast-paced environment. What we offer Fair question in a competitive market for the best talents! You'll have the opportunity to learn a lot from a leadership team that comes from top-ranking institutions (HEC, NUS, NASA, ESCP), and is used to working with European fast-growing structures (GreenFlex, Rocket Internet). We’re all on a mission that involves boundless curiosity and unlimited learnings, tackling challenges and making a difference in the world, thinking out of the box and making things happen. Ultimately, we all have the same job description: make Thermosphr successful. We have you covered financially, for benefits, work flexibility, and having dedicated time for your loved ones, but if those are your only drivers, we may not be the best choice for you. We’re moving fast so apply now if you want to join us!