java English-speaking jobs in Mainz

Lead the design and delivery of Azure-based data platform and AI solutions for clients. Engage with clients to understand business needs and define tailored data strategies. Oversee pre-sales engagements, including solution design, scoping, and proposal creation.

Lead the design, build, and deployment of large-scale AI recommendation systems for vendor success. Own the architecture and modeling for determining optimal actions to maximize vendor success metrics. Lead initiatives in advanced time series modeling for demand prediction and vendor forecasting. Act as the technical authority for take rate optimization, using statistical rigor to measure the incrementality and efficiency of vendor-facing pricing and adtech levers.

Mechanical Design Engineer (m/f/d) will lead projects from concept to product release, optimizing designs for manufacturability and cost efficiency. Responsibilities include applying GD&T principles, collaborating with vendors, creating 3D models, and supporting prototype development. Requires a Bachelor's or Master's degree in mechanical engineering and 5+ years of experience in mechanical design and manufacturing.

Leads management reporting and forecasting for a global business group, partnering with senior leaders to drive modernization across reporting, processes, and systems. Manages in-depth analyses of business performance and contributes to key projects.

Senior Analyst will design, evolve, and maintain group-wide price forecasting methodologies. Responsibilities include model reviews, market analysis, and stakeholder management. Requires a Master's degree in a quantitative field and 5-7 years of experience in energy markets.

The Global Head of Knowledge Hub manages and integrates organizational units to create a global knowledge system. This role defines and drives the Knowledge Hub strategy, oversees knowledge integration, and ensures alignment across functions. The Global Head of Knowledge Hub also engages with regulatory authorities and industry networks.

Yamaha seeks a VAT and Accounting Specialist to analyze VAT issues, coordinate filings, and manage withholding tax matters. The role involves preparing VAT returns, conducting reconciliations, and assisting with cost allocations. Strong German tax knowledge and accounting skills are required.

Collaborate on complex strategy consulting projects, providing impactful solutions for BASF businesses and functions. Identify improvements and advise management teams. Apply project management and consulting methodologies. Communicate clearly with all parties involved. Work with BASF Executives on strategic, high-priority projects.

Develop high-voltage switchgear for wind turbine systems within an international team. Implement customer requirements and shape the development process from concept to finished product.

Working student supports the Talent Search Team in active sourcing, application management, recruitment, university partnerships, and employer branding initiatives.

Executive Consultant (f/m/d) for leadership and organizational consulting. Designs and delivers leadership development and assessment solutions for Global 1000 organizations. Builds client relationships, contributes to business growth, and mentors colleagues. Requires a Master's or PhD in a relevant field, several years of executive-level consulting experience, and fluency in German and English.

Technical Support Intern to assist in evaluating technical solutions, analyzing customer needs, and providing technical support for smart security and IoT technologies.

Business Development Representative will identify and qualify business opportunities within the staffing and recruiting industry. Develop and maintain relationships with clients to understand their recruitment needs and present suitable Gen Z candidates. Collaborate with cross-functional teams to align on business development strategies. Track and report on sales metrics and business development activities.

Experienced Head of Accounting (m/f/d) sought for a fast-growing company. Lead and develop accounting across a complex group structure, overseeing financial statements, ensuring compliance, and managing a finance team.

Assistant Kitchen Manager supports daily meal production and kitchen operations. This hands-on role involves food preparation, quality control, and team coordination. Requires cooking experience, knowledge of HACCP practices, and strong communication skills.

Investment Analyst to join a Strategic Transactions Team focused on complex real estate, credit, and venture capital investments. Evaluates investment opportunities, produces financial models, and contributes to business plans. Requires first full-time work experience in relevant fields, strong financial modeling skills, and fluency in English and German.

Project Engineer to support industrial automation and digital continuity initiatives in aerospace manufacturing. Manage Octoplant-based backup and configuration processes, ensuring system reliability and compliance with aerospace standards.

Senior Legal Administrator manages a portfolio of international corporate clients, providing legal, administrative, and financial support. Analyzes legal and regulatory requirements, advises on German corporate law, and coordinates with internal teams to ensure compliance. Requires a law degree, relevant experience, and fluency in English and German.

As an Enterprise Communications Manager, you will develop and implement digital communications strategies to position P&G and its brands. You will create and manage digital content, analyze data, and collaborate with internal and external partners.

Leads Data Foundations business in Austria and German Mid-Market, driving profitable growth in integration, data management, and AI. Responsible for team leadership, go-to-market strategy, operational excellence, and strategic deal orchestration. Requires SaaS leadership experience, sales mastery, strategic network, and fluency in German and English.