java English-speaking jobs in Mainz

As Head of Office to the Chief Officer, Health, you will act as a trusted advisor, driving governance, coordination, and execution of strategic initiatives across a complex international environment. You will lead cross-functional projects, provide executive advisory, and represent the Chief Officer in selected forums.

Evaluate search results and AI-generated content for quality, relevance, accuracy, and usefulness. Conduct online research to verify information and apply rating guidelines consistently. Document edge cases and provide clear written feedback.

Account Manager for the DACH region will manage and grow existing accounts, understand customer needs, and offer solutions using Molex's product portfolio. Requires a degree in Engineering or related field, several years of experience in electronics, strong interpersonal and communication skills, and fluency in English and German.

Experienced Manager / Senior Manager sought for restructuring and turnaround engagements across DACH region. Develop financial models, lead projects, and support clients including corporates, lenders, and investors. Fluent German and English required.

Support contract management by preparing, distributing contracts, and coordinating with stakeholders. Assist with administrative and compliance activities throughout the contract lifecycle.

The Chief of Staff to the Chief Operating Officer will support the development and execution of strategic plans for the manufacturing division. This role involves operational excellence, process improvement, communication with stakeholders, project leadership, and team development.

Experienced Legal Counsel (m/f/d) to provide legal support to EMEA businesses. Draft, review, and negotiate contracts, manage legal disputes, and support corporate governance. Must be a qualified German lawyer with 7+ years' experience, including 3+ years in-house. Fluent English and German required.

Experienced Export Coordinators needed to manage sea freight shipments (FCL & LCL) from booking to delivery. Coordinate with customers, shipping lines, agents, and hauliers. Ensure compliance with customs regulations and international shipping requirements.

Freelance annotators review and classify text, images, or videos to train AI models. Projects may include rating content, evaluating accuracy, or identifying sensitive material. Requires a bachelor's degree, 1+ year of professional experience, advanced English proficiency, and strong attention to detail. Compensation is project-based and up to $22 per hour.

Shape and manage the Henkel SAP Business Technology Platform vision and technology strategy. Design application and technology architectures, ensuring solution sustainability and scalability. Analyze trends, identify conflicts, and drive decisions in a multi-provider environment.

Working Student Events & Recruiting to support recruiting, employer branding, and event management. Responsibilities include candidate sourcing, event coordination, and content creation. Must be enrolled in a university and fluent in German and English.

Experienced innovation director, corporate innovator, or AI thought leader sought to refine AI-generated outputs on innovation topics. Review and evaluate AI content for commercial realism, strategic logic, and relevance to innovation challenges. Draft realistic scenarios and case studies based on hands-on experience. Must be based in the EU or UK and available 8-20 hours per week.

Postdoctoral position in cancer metabolism and metastatic progression. The successful candidate will conduct independent research, present findings, and supervise students. Requires a PhD in a life science, experience with animal experiments, and strong molecular biology skills.

Senior HR Business Partner drives operational excellence and organizational health at assigned Amazon sites. Partners with site leadership, General Managers, and employees to foster a positive and inclusive work environment. Leverages data and technology to identify trends, mitigate risks, and improve employee experience. Executes core HR processes, ensures compliance, and supports change initiatives.

PR Account Executive with 1-2 years of agency experience needed to execute impactful PR and communications strategies for B2C tech clients. Responsibilities include media relations, content creation, event support, and client communication. Must be fluent in German and English, possess a strong understanding of the tech landscape, and have a network of journalists and influencers.

Provide customer support via email and chat for a health insurance company serving nomads. Assist with inquiries, onboarding, and policy updates. Collaborate with colleagues to ensure quick and accurate responses.

The Chief Scientific Officer (CSO) for Advanced Staining leads the scientific strategy for IHC, FISH, and next-generation tissue-based diagnostic technologies. This executive role shapes innovation strategy, oversees R&D execution, and ensures global leadership in advanced staining and translational pathology solutions.

Senior Windows System Administrator needed to manage and support Microsoft infrastructure platforms in Germany. Responsibilities include Active Directory administration, server maintenance, patching, and incident resolution. Requires 5+ years of experience in Windows infrastructure administration, strong Active Directory knowledge, and proficiency in PowerShell scripting. Fluent English required.

Peroptyx seeks Data Analysts to review mapping data for digital applications. Responsibilities include verifying business information, distances, and ensuring route accuracy. Must be fluent in English and German, possess excellent research skills, and have strong local knowledge of Germany. Must pass an online exam and be willing to work a minimum of 10 hours per week.

Leads the development and execution of partner enablement programs and go-to-market strategies for AI solutions. Requires 10-15 years of experience in channel development, partner management, or a similar role within the technology industry.