java English-speaking jobs in Mainz

M&A Manager to join a growing healthcare buy and build platform in Dusseldorf. Contribute to the full M&A process from lead sourcing to closing, including valuation, negotiation, and due diligence. Support post-merger integration. Requires prior M&A experience, strong communication skills (native German, fluent English), and proficiency in Excel and PowerPoint.

Experienced Center Manager to lead a multi-disciplinary service operation, driving execution excellence and customer satisfaction. Oversee service requests, establish operational processes, and manage field service operations. Lead a team, analyze KPIs, and prepare reports.

The Project Manager will plan, manage, and monitor projects from initiation to closure, ensuring delivery to quality standards within budget and timeline. Responsibilities include defining project governance, managing risks and issues, and collaborating with stakeholders. Requires a bachelor's degree, extensive project management experience, and a PMP or PRINCE2 certification.

Graphic Designer needed for a 3-month temporary contract with potential extension. Responsibilities include modernizing branding guidelines, ensuring visual consistency across platforms, and creating visuals for various materials. Requires a degree in a related field, excellent English skills, and proficiency in Adobe Creative Suite. Motion graphics and video editing experience is a plus.

Steer and oversee strategic Venture activities for water line integrity, developing and implementing market, business, and service strategies. Drive progress, ensure service scalability, and provide market requirements for development teams. Manage team members, collaborate with stakeholders, and achieve defined goals within budget and time constraints.

Student intern to support the commercial team in Europe with tasks such as preparing customer lists, follow-ups, and documentation. Assist with presentations, emails, and sales materials. Learn about customer communication in a scientific/biotech environment.

Principal/Lead Scientist to develop and optimize cathode materials and architectures for lithium-sulfur battery systems. Responsibilities include pouch cell fabrication, electrochemical testing, and materials characterization. Requires a PhD and 5+ years of experience in lithium-sulfur battery R&D with a focus on cathode development and pouch cell systems.

Creative Lead will oversee creative, manage a team, and test content on social platforms to optimize for low CPIs. Responsibilities include strategizing for ad spend recovery, adapting promotional material, and identifying market trends. Requires 10+ years of experience in creative roles, digital marketing, and project management.

Lead and manage complex business transformation and project management processes across Europe, ensuring strategic objectives and operational excellence. Establish governance structures, design change strategies, and oversee the execution of regional transformation projects. Promote cross-functional collaboration, harmonize project management standards, and champion the integration of next-generation technologies.

Talent Strategy Intern will attract, retain, and develop top talent. Responsibilities include identifying candidates, managing the recruitment process, and growing Consultport's employer brand. Must be a people person with strong communication skills and a passion for talent acquisition.

Manage and develop a team of engineers specializing in electrical monitoring, security, and building automation systems. Plan, implement, and supervise projects ensuring quality, efficiency, and compliance. Collaborate with departments and partners to optimize processes and implement innovative technologies.

Fiber Optic Engineer develops, designs, and prototypes fiber optic solutions for mobile networks and data centers. Performs testing, analysis, and documentation. Provides technical support and troubleshooting. Requires a degree in a relevant field, experience with fiber optic assemblies, and strong German and English skills.

Industrial Engineer (m/f/d) to optimize production processes in semiconductor equipment manufacturing. Responsibilities include process optimization, LEAN implementation, workplace design, and MES/SAP integration. Requires a degree in Industrial Engineering or related field and 3-7 years of experience.

Manages accounts payable and receivable processes, including invoice processing, vendor relationships, and tax compliance. Oversees a team responsible for invoice validation, reconciliation, and payment processing. Implements strategies to improve accounts receivable management and streamline collections.

Drive the commercial success of digital healthcare solutions, focusing on nursing care. Collaborate with sales, marketing, and digital experts to launch and support solutions in real markets. Analyze sales results, gather customer feedback, and contribute to continuous improvement.

Technical Product Manager to build AI-powered voice agents for contact centers. Lead product lifecycle from discovery to production, build prototypes, and measure AI feature performance. 3-6 years product management experience with AI prototyping and software architecture knowledge required.

Solution Architect for Microsoft Dynamics 365, Azure Ecosystem & PowerPlatform. 3+ years experience designing, implementing, and integrating Microsoft Dynamics 365 solutions. Strong knowledge of Azure, PowerPlatform, and integration tools. Excellent communication and customer consulting skills.

This role requires a Microsoft Integration Consultant with SAP-Microsoft integration experience to design, build, and maintain integrations between MS Power Platform and SAP. Responsibilities include leading integration projects, providing technical guidance, and ensuring compatibility and performance. The ideal candidate will have experience with Microsoft Power Platform, Microsoft Fabric, Azure integration stack, SAP ECC/S/4HANA, and integration technologies.

Senior trader sought by international steel trading house. Must have existing Australian market client network and transferable book of business. Responsibilities include client development, trading, deal negotiation, and end-to-end trade management. Reports to CEO.

Business Analyst needed for Mortgage product development. Collaborate with stakeholders to gather and document business needs, translate them into technical requirements, and support solution implementation. Experience in IT analysis, solution design, and stakeholder management required. Strong communication skills in German and English are essential. Banking background is a plus.