java English-speaking jobs in Mainz

Group CFO to lead financial transformation and support international growth strategy. Partner with CEO and private equity owners, driving business performance and operational efficiency. Lead finance, IT, and controlling functions, including budgeting, reporting, and compliance.

Leads and develops the global tax function for a multinational group, ensuring compliance, driving strategic initiatives, and overseeing international tax matters, transfer pricing, and risk management.

Lead the academic development and quality assurance strategy across three colleges, ensuring outstanding teaching quality and student outcomes. Develop and implement shared curricula, oversee teacher programs, and manage a team of Senior Lecturers.

Software (Technical) Support Engineer will analyze software problems, provide troubleshooting plans, and install/configure software on various tools. Responsibilities include software testing, validation, and creating installation/upgrade instructions. The role also involves customer engagement, training, and resolving technical issues.

IT Service Lead responsible for global backup services (on-prem, Azure, Microsoft 365, Entra ID). Designs, implements, and manages backup architectures, ensuring stable, secure, and highly available operations. Collaborates with global stakeholders, IT security, architecture, and cloud teams.

The CFO will partner with the Group CEO, shareholders, and advisory board, driving financial planning, budgeting, and liquidity management. The role involves establishing KPI-driven reporting structures, managing a lean holding structure, and supporting an ambitious buy-and-build strategy. The ideal candidate will have experience in due diligence, financial analysis, and performance steering within private equity-backed businesses.

As ESG Expert, you will develop and implement ESG strategies, monitor relevant developments, and support the Net Zero 2050 strategy. You will also set up and maintain ESG documentation, implement ESG tools, and coordinate data collection and reporting.

This role focuses on Executive Protection, Event Security, and Physical Security. Responsibilities include leading executive protection programs, planning security for events, managing security incidents, and representing Corporate Security in cross-functional settings. The ideal candidate has proven expertise in event security, executive protection, and physical security management, along with experience in security investigations, security technologies, and tactical threat management.

Manage liquidity, funding, and regulatory compliance for Nomura's €20bn European balance sheet. Serve as primary regulatory interface for NFPE liquidity matters, reporting directly to the Head of Liquidity Management. Advise senior management and business units on liquidity implications of strategic initiatives. Execute daily liquidity management across multiple legal entities, ensuring compliance with external and internal requirements.

Supply Officer Cabin (m/f/d) for Airbus Operations in Hamburg-Finkenwerder. Responsibilities include coordinating supply chain operations, monitoring performance, resolving issues, managing inventory, and collaborating with suppliers and internal departments. Requires a completed degree in a relevant field, several years of experience in supply chain, logistics, or related areas, and proficiency in SAP/R3 and Google Workspace. Fluent English and German skills are essential.

Service Team Leader will lead a team of technicians, providing technical support and fostering professional growth. Responsibilities include reactive and preventive maintenance, responding to issues, and ensuring operational safety and regulatory compliance.

ThirtyEight Capital seeks entrepreneurial individuals to co-found businesses in the energy and climate space. This involves identifying, validating, and potentially building scalable and profitable ventures from scratch. Areas of focus include heating & heat pump ecosystems, energy financing models, and energy optimization. Ideal candidates possess entrepreneurial potential, operational experience, and a strong understanding of energy-related systems.

Drive profitable growth within a defined territory by developing and expanding customer networks. Manage individual sales pipelines, support RFQs and pricing negotiations, and collaborate with customers to understand their needs and develop customized growth strategies.

The CFO will lead all financial aspects of a €30m B2B business transitioning to a SaaS model. Responsibilities include financial planning, reporting, and driving the company's transformation. The role requires experience in a PE-backed, high-growth environment and a strong understanding of SaaS KPIs.

Staff Data Scientist to develop and productize algorithms optimizing financial returns in trading energy assets. Shape the technical vision for trading strategies, own the data science roadmap, and deliver production systems. Requires 7+ years industry experience in applied data science, trading algorithm development, and expertise in Python and software engineering practices.

Brand Designer to develop and maintain visual brand identity for the BAADER Group and its associated brands. Responsibilities include creating marketing and communications assets, managing design templates, and ensuring global brand consistency. Requires a degree in communication or graphic design and at least 3 years of experience in brand design. Fluency in German and English is required.

Team Leader for Parking Service at Düsseldorf Airport. Manages parking property utilization, optimizes operations, ensures compliance, and coordinates technical tasks. Requires technical training, practical experience, and personnel management skills.

Student assistant for policy and implementation research in cancer prevention. Tasks include document sourcing, analysis, and synthesis. Requires university enrollment, experience with research methods, and proficiency in German and English.

Student will conduct literature research, select simulation tools, and contribute to the design of a simulation environment for next-generation Mercedes-Benz vehicles.

The Chief Strategy Officer will define and execute the company's strategic direction, focusing on digital asset markets, particularly derivatives. This role requires expertise in business scaling, competitive positioning, and cross-functional leadership. The CSO will analyze market trends, identify growth opportunities, and ensure alignment between strategy and operational execution.