Business Controller - Solar & Batteries

Join Vattenfall as a Working Student in Risk Management and contribute to our Solar & Batteries division within the BA Wind sector. This part-time position offers an exciting opportunity for students to gain hands-on experience in risk assessment and management practices.You will work closely with our team to identify, analyze, and mitigate risks associated with our renewable energy projects. This role not only enhances your academic knowledge but also provides practical insights into the renewable energy sector.

Join our team as a Working Student in Corporate Audit & Risk Management, where you will gain valuable insights into the audit processes and risk management strategies of a leading media company. This position offers the chance to work alongside experienced professionals and contribute to the evaluation and improvement of our internal controls and risk management practices.

Enpal aims to make solar energy, battery storage, and electric vehicles available to every household. The company provides a complete solution for decentralized energy management, including solar panels, battery storage, charging stations, smart meters, and heat pumps. Central to this is Enpal.One, an AI-driven platform connecting thousands of systems to optimize electricity use and feed-in for the energy market. What Enpal builds powers homes with clean energy and supports a shift in how energy is used, both now and in the future. Role overview This working student role in Operations is based in Berlin and supports the Material Planning & Procurement Team. The position involves both operational and strategic work across the supply chain. What you will do Assist the Material Planning & Procurement Team with daily operational and strategic tasks. Develop, update, and improve analysis and planning models using Excel. Create, process, and follow up on purchase orders, and help resolve invoice issues. Gather quotes, coordinate with suppliers, and communicate with the warehouse. Support ad-hoc operational tasks throughout the supply chain. Help structure and improve processes, contributing to ongoing process optimization. Requirements Enrollment in a Bachelor’s or Master’s degree program. Strong analytical skills and solid Excel experience. Structured, reliable approach to work and a high sense of responsibility. Hands-on attitude and readiness to take on operational challenges. Quick to learn new topics and comfortable adapting to change. Excellent German language skills (C1 level or above). Enpal welcomes applications even if not every requirement is met. Potential and motivation are valued alongside direct experience. What to expect at Enpal Work at Germany’s first green unicorn and help shape the future of solar energy.

At Enpal, our vision is to place a solar system on every roof, provide a battery in every home, and have an electric car in every garage. We make this a reality with an integrated solution for decentralized energy—ranging from solar panels and battery storage to wall boxes, smart meters, and heat pumps. Our AI-driven platform, Enpal.One+, intelligently connects thousands of systems, optimizing electricity consumption and feed-in on the energy market.Are you ready for solutions that promise more than just words and bring real quality of life to thousands of households every day? What you create at Enpal delivers clean energy for tomorrow and sustainably transforms how we use energy.

Join Vattenfall as a Working Student in our IT Department, where you'll gain hands-on experience in a dynamic and innovative environment. This role offers you the opportunity to collaborate with experienced professionals, enhance your technical skills, and contribute to exciting projects that shape the future of energy.As a part of our IT team, you will support various IT-related functions, ensuring smooth operations and contributing to the development of our digital solutions. This is an ideal position for tech-savvy students eager to learn and make an impact.

Join Our Team at commercetools At commercetools, we believe that real innovation is built on a solid foundation, combining the power of our products with the talent of our people. We are a community of builders, explorers, and problem-solvers who are dedicated to pioneering a flexible approach to commerce architecture. This culture of experimentation empowers us to be at the forefront of commerce innovation. Our mission is to enable the next generation of commerce for our clients. From AI-driven solutions that enhance business decision-making to creating seamless digital and physical shopping experiences, we empower ambitious companies to experiment, scale, and grow without boundaries. In our environment, the best ideas prevail, and you will have the tools, trust, and space to shape both the future of commerce and your own professional journey. Your Impact As a Working Student, you will play a vital role in our Workplace Experience team, ensuring an organized and positive atmosphere in our Berlin office while contributing to global workplace initiatives. Your responsibilities will include providing operational support for daily office needs and fostering a welcoming, safe, and productive environment for our employees. Please note that this position requires on-site presence in our Berlin office on Tuesdays, Wednesdays, and Thursdays. You will: Implement global workplace experience standards and programs under the guidance of the Lead. Assist with daily office operations, coordinating facilities and vendor support (cleaning, security, catering, maintenance). Handle administrative tasks related to workplace tools and services, including travel coordination and vendor management. Help maintain a welcoming office environment that aligns with workplace guidelines. Serve as the first point of contact for workplace-related inquiries from employees, escalating issues as necessary. Assist in organizing local events, employee engagement activities, and internal meetings. Manage office supplies, equipment, and inventory. Support onboarding and offboarding processes from a workplace perspective. Help with health and safety documentation and compliance tasks under supervision.

Planet Labs Inc. seeks a Working Student in IT Support to join the Berlin office. This part-time role is designed for students interested in gaining hands-on experience while contributing to IT projects that support the company’s global satellite data operations. Role overview This position involves supporting the daily IT needs of the Berlin team. The working student will help maintain and improve the office’s hardware and software systems, ensuring smooth operations for colleagues and ongoing projects. What you will do Assist with everyday IT support and troubleshooting tasks Help maintain and update computer hardware and software Collaborate with experienced IT staff on projects that keep Planet Labs' technology reliable Location This role is based in Berlin, Germany.

About UsAt JustWatch, we are pioneers in delivering data-driven digital marketing solutions within the global entertainment landscape. From blockbuster movies to celebrated shows, major sports events, and trending console games, we thrive on our passion for entertainment. As the owners of the world's largest streaming guide, we harness unparalleled insights into audience behavior and content preferences.Having transitioned from a small startup to a robust team of over 200 professionals, we are headquartered in Berlin but operate globally, with options for remote work. Our focus remains on sustainable growth and profitability, all while cultivating a dynamic work environment.What We're Looking ForAre you captivated by the film and streaming sectors? Do you aspire to collaborate with leading movie studios and streaming platforms on intricate online campaigns that promote their latest releases to millions of film enthusiasts across more than 140 countries?Join our rapidly expanding Campaign team, which comprises over 75 specialists. Here, you will have the unique opportunity to work alongside industry experts and collaborate with notable partners such as Universal, Paramount, Prime Video, and others.Our culture encourages ambitious thinking and personal growth. With new projects emerging monthly, you will be empowered to take on fresh responsibilities and accelerate your career trajectory. We are committed to providing the space for your aspirations and professional development.

Join our dynamic team at zenjob as a Working Student in Account Management! This role offers you the opportunity to gain hands-on experience in managing client relationships and contributing to our growth. You will work closely with our account management team, assisting in various tasks to ensure client satisfaction and service excellence.

amboss is looking for a Multimedia Working Student in Berlin to support the creative team. This position centers on producing multimedia content that strengthens the company’s educational platform for medical students and professionals. What you will do Work closely with the creative team to develop and refine multimedia materials Contribute to projects that aim to engage and inform users of the platform What you bring Interest in multimedia production and content creation Eagerness to gain practical experience in a collaborative setting This role offers the chance to support educational initiatives that reach medical learners worldwide.

Please note that this position is based in Berlin, Germany - relocation support is provided if required.THE BEST WORK OF YOUR CAREERTrade Republic is Europe's leading savings platform, operating across 18 countries and trusted by over 10 million customers with more than 150 billion in assets. Our ambition is to achieve even greater heights.We are dedicated to empowering individuals to build wealth through easy, safe, and free access to financial systems. As part of our team, you will have the chance to advance your career while working alongside talented professionals and cutting-edge technology to create a positive impact for millions.ABOUT THE TEAMThe Corporate IT team at Trade Republic ensures that our colleagues work securely and efficiently every day. We manage devices, identity, access control, SaaS tools, automation, and IT operations across various locations. From onboarding new hires to securing system access, and from hardware logistics to IT compliance, our team operates at the intersection of technology, operations, and security. We are currently seeking two Working Students to join our Corporate IT team and grow with us.WHAT YOU’LL BE DOINGSupporting the laptop and device lifecycle (setup, allocation, offboarding)Assisting with onboarding and access provisioningHelping document IT processes and workflowsSupporting SaaS tools such as Google Workspace, Okta, Jamf, Slack, Jira, etc.Assisting with audits, compliance checks, and IT inventoryContributing to improvements and small automation tasksCoordinating with vendors and internal stakeholdersProviding IT operations support for the Berlin office and international locations

bew is seeking a Working Student in Human Resources Development for a part-time role based in Berlin. This position offers students a chance to gain hands-on experience with HR processes while helping foster employee growth across the organization. What you will do Collaborate with the HR team on projects that promote employee engagement and professional development Support daily HR operations and assist with ongoing initiatives Requirements Current enrollment as a student Interest in human resources and supporting employee development Availability to work part-time in Berlin

Are you passionate about construction management and looking for an opportunity to gain practical experience in a dynamic environment? Join us at dreessommerse as an Intern or Working Student (m/f/d) in Construction Management! You will be part of a dedicated team, contributing to exciting projects and enhancing your skills in a collaborative setting.

Assist the editorial team in optimizing published tests, purchasing guides, and similar content formats.Utilize our editorial systems, tools, and databases effectively.Collaborate with expert editors, product testers, and authors to find the best solutions for our content.Conduct independent research, monitor our competition, and analyze performance metrics.

Remote/Berlin Based - m/f/d - Part-Time (Rolling Intake)About PlatoAt Plato, we are revolutionizing the digital infrastructure of the global trade economy, starting with the $53 trillion wholesale distribution industry. We empower modern wholesalers by connecting their teams and data within a unified analytics and workflow hub. Utilizing data science and AI, we automate workflows and address labor shortages, leveling the playing field for SMB wholesalers against larger corporations. Our MissionWe believe the future of wholesale is data-driven. We understand that Industrial SMEs are eager to adopt proactive processes, yet they often lack the necessary technology. Our founders, with a background in wholesale, have assembled a talented team from Big Tech, VC, and top-tier consulting firms to transform this $48 trillion industry. Our flagship product harnesses advanced data science to deliver tailored demand forecasts and product recommendations, paired with intelligent workflow automation.We are creating category-defining software. Our main clientele consists of C-suite executives within large wholesale and distribution enterprises. We are dedicated to enhancing their decision-making and operational efficiency through intelligent data utilization, propelling their operations into the modern age! Our endeavors are backed by esteemed EU and US venture capitalists, advisors, and angel investors, providing insights from leading SME tech firms like Miro, Celonis, Personio, Workday, Forto, and Microsoft. Position OverviewAs a Go-to-Market (GTM) Working Student at Plato, you will play a vital role in our expansion efforts by collaborating across sales, GTM engineering, and marketing departments.You will primarily support our sales processes, contributing to high-quality outreach, efficient pipeline development, and scalable GTM systems.Working closely with our GTM and leadership teams, you will gain practical experience in how a rapidly growing AI startup constructs and implements its GTM strategy from the ground up.We seek a motivated, inquisitive, and execution-focused student who thrives on taking ownership and working behind the scenes. This position is perfect for those looking to grasp GTM mechanics, particularly in the pre-call stages, while making a meaningful contribution during their studies.

At Upvest, we are driven by a vision to simplify investing as much as everyday spending. We empower businesses to deliver a diverse array of investment products while ensuring an exceptional experience in capital market investments and retirement planning. Our Investment API is designed for easy integration, enabling fintechs and financial institutions to conserve resources and concentrate on their primary operations.We take pride in collaborating with Europe’s top fintechs and financial institutions, including DKB, Revolut, N26, and Raisin. Established in 2017 by Martin Kassing, Upvest has grown to encompass a talented team of over 270 professionals representing more than 70 nationalities. We are supported by prestigious investors such as Hedosophia, Sapphire, Bessemer Venture Partners, BlackRock, Earlybird, HV Capital, Notion Capital, and Motive Ventures.We frequently offer internships and working student positions in the following divisions:Strategy & Organization - Engage in high-impact projects with senior leadership, gaining insight into our products, clients, operations, and the banking ecosystem.Banking - Help accelerate growth by collaborating with various departments and working alongside leadership to devise a sustainable, forward-thinking risk strategy.Growth - Collaborate with cross-functional teams to boost Upvest's growth, enhance performance, and unlock new business opportunities.Operations - Partner with the Operations team to optimize processes, drive efficiency, and ensure flawless business execution.Product - Work closely with the Product team to design, develop, and launch impactful products for our partners.People - Collaborate with the People team to cultivate company culture, enhance employee experiences, and support organizational growth.How We Invest in YouImpactful Work: Join us in building the infrastructure that will shape the future of investing in Europe. Your work will involve modern technologies and contribute to groundbreaking projects. No outdated systems, no limitations.Wellbeing: Access to confidential professional coaching services.Competitive Compensation: We recognize that every Upvenger contributes to our success and deserves to be compensated fairly.Team Celebrations: Engage in company-wide events and team-building activities.

Join our dynamic team at justwatch as a Working Student in Product Design within our MarTech division. This role is perfect for those passionate about innovative design and eager to contribute to cutting-edge projects. You will work closely with our experienced designers and developers to create user-friendly and visually captivating products that enhance user experience.

Q ENERGY is at the forefront of the green energy revolution in Europe, operating as a comprehensive 360° energy provider. With a dedicated team of over 500 professionals, we engage in the development, construction, and management of renewable energy assets spanning the entire value chain of large-scale projects, including solar, onshore and offshore wind, energy storage, and hybrid power plants. Our impressive portfolio boasts a pipeline of over 11 GW, solidifying our position as a leader in the renewable energy sector. We are constantly seeking passionate individuals eager to contribute to a sustainable future through green energy.As a Working Student in Central Europe Finance, you'll play a crucial role in supporting our finance team with the daily operations of our Central European entities. This position offers invaluable hands-on experience in operational accounting, closing activities, and international financial coordination.Key Responsibilities:Assist with daily accounts payable and accounts receivable processes.Support monthly, quarterly, and year-end closing activities for our Central European entities.Maintain financial records ensuring high accuracy, completeness, and integrity.Prepare and organize documentation for internal and external audits.Collaborate with various departments to address billing discrepancies and facilitate seamless financial workflows across borders.Contribute to compliance with internal accounting standards and relevant statutory requirements.Apply and enhance your understanding of HGB in practical accounting processes.

Join our dynamic team at clera as a Working Student in Business Development & Talent Operations. This is an exciting opportunity for students looking to gain hands-on experience in a fast-paced environment.