java English-speaking jobs in Mainz

Senior SAP ABAP Developer to guide clients through transformation journeys from idea to implementation. Develop and maintain SAP systems, lead projects, and provide technical guidance to junior consultants.

Native German speaker (C2) needed for Business Development Representative role in Berlin. Responsibilities include identifying new business opportunities, engaging with potential clients, and promoting the company's value proposition. Proven experience in business development or sales, preferably in staffing and recruiting, is required.

Technical Sales Manager provides technical expertise to customers in the semiconductor test and probing industry. Advises on high performance materials and drives technical projects from concept to qualification. Analyzes electrical, mechanical, and reliability requirements for probe card applications.

Senior Account Executive will drive growth in the Travel & Transportation sector by leveraging existing relationships and creating new ones. The role involves presenting SAS solutions, building relationships with key accounts, and developing strategies to modernize customer engagement.

As the key link between the Global Manufacturing & Supply (GMS) site and Procurement you will translate business needs into effective sourcing strategies, ensure alignment with global procurement frameworks, and drive value through strong supplier partnerships and operational excellence.

Talent Acquisition Partner will manage the full recruiting lifecycle for a diverse portfolio of roles, acting as a strategic advisor to hiring teams. Responsibilities include driving hiring plans, ensuring a high-quality candidate experience, and leveraging talent intelligence to influence organizational design.

Co-lead the global OT Security domain, ensuring alignment with IT, Maintenance, Engineering, and Production. Coordinate NIS2 implementation, define OT security standards, and mitigate cybersecurity risks. Support secure integration of machines and systems into the Industrial Data Platform. Provide guidance for global and plant-level rollouts, ensuring compliance with OT security requirements. Conduct training and awareness sessions on secure OT operation and incident response.

Mercier Consultancy Group seeks English and German speaking freelance recruiters to source, interview, and evaluate candidates for German market roles.

Sales Consultant needed to manage the full sales cycle for Plunet BusinessManager, a leading Business and Translation Management System. Responsibilities include requirements analysis, product demos, proposal development, and contract negotiation. Must have 2-3 years of proven sales experience in solution sales, fluency in English and German, and strong communication and interpersonal skills.

Retail Merchandiser with 1-8 years of experience needed. Develop merchandising strategies, manage inventory, analyze sales data, and collaborate with teams on product launches and promotions.

Expert in investment facilitation and project finance for renewable energy, energy efficiency, and clean tech in the MENA region. Conducts investment barrier analysis, bankability assessments, and supports project pipeline development. Requires a Master's degree and 12+ years of experience in energy finance, investment facilitation, or project investment advisory. Fluency in English and French is required.

Senior Tech Consultant will shape the Power Platform landscape, designing and implementing scalable solutions. Expertise in Power Apps, Power Automate, Dataverse, and CoPilot is required.

This Bachelor-/Masterthesis investigates composition analysis tools for resilient space flight software. The research will survey the state of the art, focusing on language-agnostic tools and the SBOM ecosystem. Tasks include performing a market analysis and evaluating select tools by developing prototype CI workflows (advanced thesis/MA).

Lead the development and optimization of laser welding processes for electrode connections, tab welding, and casing assemblies. Design, test, and implement robust joining solutions for cell-level and module-level production. Collaborate with R&D, design engineering, and production teams to define joining strategies and select appropriate technologies.

Technical Sales Manager responsible for acquiring new customers, managing existing relationships, preparing quotations and documentation, and participating in customer events. Requires a degree in a relevant field, strong communication and negotiation skills, several years of experience in technical sales, and fluency in English. Willingness to travel is required.

Lead Electronics Engineer to manage pursuit engineering activities for automotive energy solutions. Design and develop electronic systems and components for low voltage Lithium Ion batteries, Sodium Ion batteries, and super capacitors. Collaborate with automotive customers to understand their requirements and provide tailored electronic solutions.

PhD Candidate in AI Ethics to conduct research on the epistemic and ethical aspects of AI research, develop evaluation methods, and contribute to publications and projects.

Senior Packaging Engineer will support the development and implementation of packaging solutions for Elanco's global product development pipeline. This role focuses on pharmaceutical, biopharmaceutical, and vaccine products, requiring collaboration with global teams. Responsibilities include defining, evaluating, and implementing packaging solutions, serving as a packaging Subject Matter Expert, and ensuring packaging activities align with regulatory requirements.

Intern will research, prototype, and deploy LLM and GenAI features for an in-car voice assistant. Support building Python prototypes for multimodal interactions including speech, vision, and text. Contribute to exploring practical in-car use cases such as dialogue, context awareness, and multimodal data. Assist in testing, validation, and ensuring safety and compliance of automotive AI features.

Leads and oversees the Finance Cluster South Germany, ensuring efficient daily operations and alignment with corporate policies. Responsibilities include leading the Accounting team, providing financial insights to hotel leadership, preparing financial reports, and managing accounts receivable and payable processes. Requires a degree in Finance, Accounting, or a comparable qualification, leadership experience, and strong analytical and communication skills.