java English-speaking jobs in Mainz

Develop and produce high-impact video and AI-driven paid content for platforms like Meta, TikTok, and YouTube. Own the creative process from ideation to execution, leveraging both traditional production methods and generative AI tools. Analyze performance data and iterate creatives based on insights and testing results.

Senior Legal Counsel provides legal support and expertise for business activities, including contract negotiation, claim management, and dispute settlement. The role requires a German Law Degree, 1st and 2nd State exam, and at least 7 years of experience in a legal department of an internationally operating enterprise or a law firm with international focus.

This position provides customer service, coordinates administrative activities, and may train center employees.

Senior Talent Acquisition Partner to support a high-growth scale-up in Berlin. Focus on hiring across technology business units, including machine learning engineers. Full-cycle recruitment experience in technical verticals required.

Support the Store Manager in achieving KPIs, managing store operations, and leading a team. Monitor performance, control costs, and ensure visual standards. Previous retail experience and a passion for the brand are required.

Yamaha's European headquarters seeks a VAT and Accounting Specialist to analyze VAT issues, coordinate filings, and manage withholding tax matters. The role also involves cost allocations, supporting financial closings, and collaborating on process improvements.

Lead a team of researchers, driving growth and providing solutions to complex client challenges in the life sciences industry. Develop and deliver insightful market research solutions, exceeding revenue targets and mentoring future talent.

Provides administrative support, manages communications, and coordinates projects. Maintains records, schedules meetings, and assists with document preparation. Requires 2+ years of administrative experience, proficiency in Microsoft Office Suite, and strong organizational skills.

System Engineer for Flight Management Systems (m/f/d) at Airbus Defence and Space in Manching. Responsibilities include requirements analysis, design and development of FMS and automation functions, and management of sub-contractors. Requires experience in Systems Engineering, Flight Management Systems, and design and simulation tools.

Principal Consultant to design, build, and deploy o9 Product Planning and Integrated Business Planning (IBP) solutions. Experience with o9 IBPL, Product Planning & Supply Planning modules, and Product Planning & Supply Chain concepts required.

Seeking a German or EU-based Business Development Partner to grow a B2B diamond and gold jewelry brand in Europe. Responsibilities include client communication, sales development, networking, and market research.

Senior Research Consultant will lead and contribute to research and consulting projects for EU institutions and public-sector clients. Responsibilities include leading workstreams, client engagement, report writing, conducting research, and supporting junior team members. Requires a Master's or PhD in a relevant field and 4-6 years of experience in a similar role.

Investment Analyst to evaluate real estate, credit, and venture capital opportunities. Develops financial models, business plans, and investment memoranda. Supports portfolio management and strategic initiatives. Requires prior work experience in real estate private equity, private equity, investment banking, or consulting.

The Head of Technology Transfer will lead the strategic direction of CTC's technology transfer, transforming scientific breakthroughs into market-ready solutions, spin-offs, and industry partnerships. This role will establish scalable processes and pathways from discovery to application, focusing on advancing a chemical circular-economy innovation ecosystem.

Experienced HSE Lead needed for large-scale Data Center project in Germany. Manage all HSE activities, ensuring compliance with client, local, and company standards. Drive continuous improvement in safety performance and collaborate with project teams.

Supports project controlling activities, data management, and process execution within the Finance function. Contributes to reliable reporting, stable monthly charging processes, and data quality improvements.

The Product Compliance Engineer ensures products meet regulatory requirements and industry standards. Responsibilities include coordinating certifications, leading compliance projects, providing technical guidance, and developing training.

Art Director / Digital Concepter needed for a Swedish core-team. Execute and adapt campaigns across channels, ensuring visual consistency and impact. Design layouts, key visuals, and presentation decks. Collaborate with stakeholders to deliver cohesive work. Minimum 4 years of experience as an Art Director or Digital Designer in an agency environment required. Strong portfolio showcasing layout design, campaign execution, and digital-first thinking. Excellent skills in Adobe Creative Suite. Solid understanding of design systems, typography, grids, and responsive layouts. Experience in campaign adaptation and localization across multiple channels. Ability to balance creative thinking with structured, detail-oriented execution. At least intermediate skills in Swedish copywriting, especially for social and digital formats. Good understanding of digital platforms, formats, and production workflows. Strong communication and presentation skills. Fluent in Swedish and English (written and spoken).

Senior welding specialist focused on laser welding, providing global plant support, standardization, feasibility analysis, and guidance on welding equipment and processes. Evaluates AI and software solutions for welding, analyzes cost savings, and integrates welding data into digital systems.

Workday HR Consultant to design, build, and maintain HR solutions. Collaborate with HR, IT, and external vendors to ensure seamless data flow and automation. Supervise and develop the existing HR environment, identify improvements, and implement them. Support the technical and functional implementation of processes using Workday, Greenhouse, and other systems.