java English-speaking jobs in Mainz

Legal Counsel will manage all legal matters for a fast-scaling international business. Responsibilities include supporting leadership on contracts, compliance, and data protection, building legal structures, and acting as a business partner.

Leads supplier and critical service provider quality activities across Europe to ensure purchased goods and services meet quality standards. Manages internal processes for external suppliers and service providers. Drives quality related activities in accordance with Power D3 linked to external suppliers. Conducts quality audits at suppliers and service providers. Supports supplier risk analysis and supplier evaluation. Develops and maintains procedures relevant for supplier relationships linked to quality and corporate social responsibility. Ensures application, maintenance, and continuous improvement of quality related documents for managing external suppliers. Supports fulfillment of requirements in terms of Corporate Social Responsibility with corresponding assessments in the Supply Chain. Supports Aftermarket Claims by driving proper resolutions with Clarios' plants and DCs. Develops and maintains the process of Aftermarket claim handling and ensures proper reporting of relevant KPIs to all stakeholders.

Data Analyst (m/f/d) will explore datasets, evaluate data quality, and apply statistical methods to understand consumer behavior. The role involves collaborating with data scientists and engineers to build analytical solutions, visualize data, and provide data-driven insights. Requires a Master's degree in a numerate field and 2+ years of data analysis experience.

Account Executives drive revenue growth by expanding existing accounts through upselling and cross-selling. They identify opportunities, lead strategic conversations with C-level stakeholders, and develop growth plans aligned with business objectives.

Develop and optimize quantitative trading strategies for flexible assets across various energy markets. Build predictive models for price forecasting, asset availability, and market analysis. Collaborate with traders to validate strategies and incorporate market insights.

Field Service Engineer to support customers across Europe. Install, test, and qualify semiconductor equipment. Provide technical support, troubleshooting, and repair. Develop solutions for product reliability improvements. Bachelor's degree in electrical or mechanical engineering and 7+ years of experience in semiconductor or related fields required.

Associate Engineering Manager will architect new features, design and test software, and guide engineers in a fast-paced environment. Responsibilities include managing and developing a team of software developers, collaborating with product managers and engineers, and helping define and execute technical goals.

At the intersection of advanced engineering and mission success, we are looking for a Product Assurance Manager ready to take ownership in a fast-paced space environment. You will work alongside multidisciplinary engineering teams to ensure the highest quality standards across complex space technology programs, from development through qualification and delivery.

Warehouse assistant (m/f/d) position available with a global logistics service provider in Karlsfeld. Tasks include preparing shipments and packing goods. Experience in a similar field is an advantage. Offers permanent employment contract with above-tariff pay and various bonuses.

Leads global organizational development and total rewards strategy, including workforce planning, job architecture, and compensation design. Manages global rewards programs, ensuring alignment with business objectives and market competitiveness. Develops and implements organizational design solutions to support growth and M&A integration.

Regional Loss Prevention Manager leads security and loss prevention across Germany, Austria, and Central & Eastern Europe. Focus areas include shrink reduction, crime mitigation, risk assessments, investigations, and crisis response.

Senior Expert IT Service Excellence will shape and implement the strategic framework for IT service excellence, driving the evolution of digital business platforms. This role requires expertise in IT Operations, User Centricity and Service Management, agile frameworks, cloud technologies, and ITIL.

Designs, implements, and develops global compensation and benefits programs, including grading, performance management, and executive remuneration. Manages target setting processes and ensures the execution of STI, LTI, and merit rounds. Conducts global benchmarking and market analyses to ensure competitive compensation structures. Prepares the annual compensation report and supports the preparation of the Annual General Meeting. Acts as the subject-matter expert for the global compensation and benefits portfolio and collaborates with HR, Finance, Legal teams, and external partners. Contributes to building and strategically shaping a new HR organization.

HR & Administration Specialist needed for a fast-growing global logistics company. Manage employee attendance, scheduling, recruitment, and facility operations. Bachelor's degree required, fluency in Mandarin, English, and German.

Senior Manager to support financial crime compliance activities across an international environment. Focus on AML, sanctions, and broader compliance matters.

KAYALI seeks a Sales and Education Executive to drive brand performance across Germany, Denmark, Switzerland, and Sweden. The role involves delivering product and brand education to Beauty Advisors, supporting retail events, and ensuring alignment with global brand guidelines. Minimum 5 years of beauty and retail sales experience with a focus on fragrance and proven training experience are required. Fluency in German, English, and French is essential.

Yamaha's European headquarters seeks a VAT and Accounting Specialist to analyze VAT issues, coordinate filings, and manage withholding tax matters. The role also involves cost allocations, supporting financial closings, and collaborating on process improvements.

Senior Embedded HMI Software Engineer to design, develop, and maintain HMI applications for medical devices on Embedded Linux platforms. Requires experience with Qt, C++, and software development in regulated industries.

FTTH Project Procurement & Contract Specialist needed for a Chinese optical communication company. Manage subcontractor resources, procurement, and performance. Oversee material and warehouse management, and provide administrative support. Bachelor's degree and 3+ years of experience in project support, procurement, logistics, or site administration required. Fluent in German and English.

Full-Stack Developer needed for a remote position at Spinlab, a data analytics company. Develops and maintains a B2B web analytics platform using TypeScript, Node.js, NestJS, ClickHouse, Kafka, Redis, and a browser SDK. Requires 4+ years of TypeScript/Node.js experience, 2+ years with NestJS, and production experience with clustered ClickHouse and Kafka. Must have experience with browser internals, distributed systems, and Docker. Strong written English skills are required.