java English-speaking jobs in Mainz

Develop new features for a multi-flavor, multi-module Android app using Kotlin and SDK. Investigate and fix issues, continuously improve the codebase, and work in an agile environment.

Service technician for maritime automation and control systems. Commissioning, inspections, maintenance, technical support, and training. Requires technical training, experience in automation, and strong travel flexibility.

Provide first-level customer support to Finnish-speaking customers via phone, email, and chat. Process orders, manage customer accounts, and handle returns, exchanges, and repairs.

The EHS Specialist will facilitate the integration of EssilorLuxottica Group EHS management systems and implement EHS guidelines in the Barberini GmbH plant. Responsibilities include monitoring EHS performance, conducting risk assessments, participating in incident investigations, and managing chemical safety activities.

Sales Development Representative needed for a fast-growing B2B SaaS company. Focus on outbound sales, cold calling, and generating qualified meetings. Must have German (C2) and English (B2+) fluency. Previous sales experience is a plus.

Operate robotic platforms, monitor activities, and execute tasks according to procedures. Verify robot behavior, identify issues, and maintain operational records. Assist with robot setup, testing, and process improvement.

Student assistant position supporting research on intelligent systems for improving manufacturing quality in medical technology. The 3-month project involves conducting experiments, developing sensor-based components, and analyzing manufacturing tolerances.

The Global Account Representative (GAR) drives sales growth at strategic Semiconductor accounts in Europe. This role reports to the Global Account Manager and involves developing sales strategies, managing opportunities, and providing customer service. The ideal candidate has a science or engineering degree, 5+ years of sales experience, and fluency in German and English.

Support teamleaders with data analysis and quality assurance of geophysical seismic data. Process, structure, and analyze data, prepare evaluations, and maintain project files.

Service technician for maritime automation and control systems. Commissioning, inspections, maintenance, technical support, and training. Requires technical training, experience in automation, and strong travel flexibility.

Experienced transfer pricing professional will manage transfer pricing matters for the Education segment, ensuring compliance and acting as a trusted advisor to stakeholders.

Financial Planning and Analysis Specialist supports the head of Group FP&A in delivering financial analyses to support Group strategy and growth. Responsibilities include developing financial models, analyzing business performance, preparing scenario analyses, and coordinating annual planning and forecasts.

Senior Credit Structurer will advise Relationship Managers on credit solutions for Wealth Management clients. Responsibilities include structuring lending solutions, preparing credit requests, and managing credit risk. Requires a strong background in credit structuring and analysis, experience in private banking or wealth management, and fluency in English and German.

Supply Chain Manager to lead production planning, scheduling, and logistics for a growing manufacturing operation. Manage a team of 20, oversee 10,000-12,000 parts, and drive process improvements. Requires a degree in Mechanical/Industrial Engineering, 3-5 years' experience in production planning, strong SAP skills, and fluency in German and English.

Provide multilingual customer support via phone, chat, and email to resolve inquiries professionally. Must have English plus one additional EU language and EU citizenship or valid work permit.

StepBeyond GmbH seeks a Consulting Cloud & Software Architect to advise customers on technical and organizational issues related to cloud transformation, cloud-native development, architectural redesigns, and coaching. The role requires experience in cloud platforms (AWS, Azure, Google Cloud), software development tools (GitHub, Docker, Kubernetes), and programming languages (Java, Python, Rust). Strong communication, presentation, and team leadership skills are essential.

Strategy Analyst / Associate will work with German and Western European clients on market sizing, revenue benchmarking, and strategy projects. The role involves strategy case work, market analysis, and relationship management with C-suite individuals.

Advise national and international clients on US and international tax matters. Interpret and apply international tax treaty provisions. Provide estate and gift tax planning services. Develop tax-efficient structures involving PFICs and CFCs.

Develop and design integrated photonic systems and components. Collaborate with teams to define system requirements and specifications. Identify and assess project risks and develop countermeasures.

The Cardiometabolic Imaging group at the University Hospital Düsseldorf seeks a Research Associate to investigate heart failure in ischemic cardiomyopathy. The position involves AI-supported analysis of cardiometabolic imaging data and requires a PhD in a relevant field, experience in MR sequence development or data analysis, and knowledge of image processing, data analysis, or machine learning.