java English-speaking jobs in Mainz

Project Procurement Manager for offshore wind installation subcontractors. Manages resource development, subcontractor pre-qualification, and tendering processes. Evaluates technical and commercial proposals, conducts negotiations, and supports strategic subcontracting initiatives.

Research Associate (75% position) with opportunity to pursue a PhD in Innovation Leadership. Focus on international market expansion strategies, particularly in India and global markets.

Develop and implement communication strategies for Austria, Germany, Poland, and Switzerland. Lead media relations, manage agency partnerships, and cultivate relationships with influencers. Craft compelling narratives on AI and enterprise technology.

Working student supports marketing and sales activities including content management, lead management, website maintenance, and social media strategy development. Requires proficiency in online tools, Microsoft Office, WordPress, and fluency in English and German.

Security Officers protect staff, visitors, and premises at the British Embassy in Berlin. Responsibilities include access control, security screening, monitoring systems, responding to incidents, and supporting security arrangements for events.

Amazon PPC Division Manager will oversee the PPC department, ensuring alignment with company strategy and operational effectiveness. Responsibilities include managing reporting, onboarding clients, building processes, identifying bottlenecks, and mentoring the team.

Global Director responsible for application projects and technical services within the Textile Solutions Business Division. Leads a team of Application Managers, manages opportunity and service requests, and represents application management technologies. Requires a degree in a relevant field, technical management experience, and proven experience in textile application technologies.

Senior Controller / FP&A will lead financial planning, budgeting, and forecasting for Europe, collaborating with US headquarters. Responsibilities include management reporting, cost analysis, inventory valuation, and team leadership. Requires a finance degree, FP&A experience, strong analytical skills, and fluency in English and German.

The German Cancer Research Center (DKFZ) seeks a Postdoctoral Research Associate to investigate immunotherapies at the nanoscale. The position is based at the NCT WERA site in Würzburg and focuses on molecular mapping of bispecific antibody-mediated immune synapse architecture and quantitative imaging of receptor clustering. The successful candidate will design and implement imaging experimental workflows (SMLM and/or LLSM and/or expansion microscopy) to visualize the spatial organization of receptors and cytoskeletal proteins at the T cell-tumor cell junctions.

Drive growth for Personio's HR platform in Austria and Switzerland. As the initial point of contact for strategic accounts, you will prospect, qualify opportunities, and develop relationships with key decision-makers.

Provide timely and accurate email-based customer support in Finnish. Resolve issues, answer questions, and ensure positive customer experiences.

Senior Associate, Labor & Employee Relations will conduct audits, provide expert advice on employee conduct, and investigate workplace issues. They will ensure compliance with laws and company policies, support labor relations strategies, and collaborate with the works council. Requires a Bachelor's degree in human resources or related field and 5+ years of experience in a global organization. Fluent in English and German is required.

Leads global HR data architecture, governance, and analytics service delivery. Drives AI-powered HR solutions and builds a high-performing HR Data, Analytics & AI unit. Requires 10+ years of experience in HR, data analytics, global HR systems, and leading cross-functional initiatives.

Lead a global reporting and treasury team across Germany, Ireland, and the US. Ensure reporting integrity and compliance while developing your team. Prepare and review financial accounts according to German GAAP, IFRS, and US GAAP. Coordinate month-end and year-end closing processes. Collaborate with internal teams to optimize financial performance.

M&A Analyst to join an award-winning insurance underwriter in Frankfurt. Analyze M&A documents, assist with drafting insurance quotes, and support senior underwriters on live deals. Fluency in German required.

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

UI Designer needed to create high-converting landing pages for a fast-growing haircare brand. Responsibilities include designing UI/UX, creating visuals, and managing the visual asset pipeline. Must have experience with Figma and AI tools.

This postdoctoral position investigates the role of extracellular vesicles in wound healing and tissue regeneration following sulfur mustard exposure. The successful candidate will conduct cell biological and molecular analyses on primary cells using advanced equipment.

Supports the development, implementation, and operational execution of the global compliance strategy for the Coatings division. Prepares materials, presentations, and documentation for compliance meetings and management briefings. Coordinates governance activities, platforms, and documentation for the Corporate Compliance department. Designs, improves, visualizes, and implements processes that support the compliance management system. Maintains compliance tools, databases, and communication channels. Coordinates information exchange and supports the management of the worldwide training and awareness program.

Provide customer support for B2B clients using software solutions for financial advisors. Analyze issues, identify solutions, and collaborate with product and development teams. Contribute to process improvement.