java English-speaking jobs in Mainz

Fund in Fund Operations Specialist needed for 20 months. Manage operational processes, drive automation, and support strategic initiatives. Requires a Master's degree and 1-2 years of relevant asset management operations experience.

Experienced Network Planning Manager needed to optimize J&T Express' logistics and last-mile network in Germany. Responsibilities include developing delivery structures, analyzing performance, and supporting network expansion.

Experienced Clinical Research Associate needed for an International CRO. Responsibilities include site initiation, monitoring, and close-out visits. Requires 1+ years of independent monitoring experience and fluency in German (C1).

UX Design Specialist supports the design, visualization, and validation of intuitive customer experiences across digital and physical touchpoints. Responsibilities include creating mockups, translating journeys, and supporting usability testing. Requires a relevant degree and 1-2 years of experience.

This role architects and drives the S&OP cycle, building the entire planning infrastructure from scratch. You will define operational KPIs, own leadership reporting, and manage a small planning team within a high-stakes manufacturing environment.

Experienced HR Manager needed to lead the local HR team, optimize processes, and ensure compliance. Requires university degree, solid HR knowledge (labor law, development), and fluency in German and English.

Associate Program Manager drives high-priority strategic initiatives alongside leadership. This role executes AI-led growth, optimizes global operations, and translates strategy into measurable outcomes across functions.

Assess Omada Identity Platform logging and monitoring capabilities. Analyze audit logs, identify security events, and develop a logging/monitoring concept. Evaluate log export and integration mechanisms for centralized security monitoring.

Seeking a Managing Director for Ambulant Care to drive business success in Germany. This role requires leadership in sales growth, business planning, and operational performance, ensuring high-quality care delivery and financial health.

Experienced Microsoft 365 Adoption Trainer needed for a short-term freelance assignment. Deliver interactive training in German on Teams, SharePoint, OneDrive, Loop, and Copilot Chat, focusing on practical business use cases.

Lead financial transformation and drive performance for a growing European Retail/Manufacturing group. This role requires strategic partnership with the CEO, overseeing finance, IT, and controlling functions.

Artificial Intelligence Researcher role focused on applying the latest AI research to real-world use cases. Responsibilities include prototyping, validating ideas, and managing AI models. Requires a Master’s or PhD and strong Python/ML framework skills.

VP Sales EMEA will drive regional revenue growth and scale the sales organization. Requires 8+ years in B2B/Enterprise Sales leadership, 3+ years leading EMEA sales, and deep Vertical SaaS/ticketing expertise.

Establish and manage the German aftersales function for the Changan brand. Recruit, manage, and mentor a team. Develop and implement parts supply, technical support, and customer service programs. Meet performance targets and work with dealers to ensure high customer satisfaction.

Lead the SAP S/4HANA transformation across multiple business units, managing planning, execution, and cutover. Develop roadmaps, ensure governance, and bridge global business units and IT. Requires 5+ years in SAP program management.

Technical Safety Instructor role overseeing and teaching safety courses like HUET or Sea Survival. Requires relevant safety qualifications, local residency in Bremerhaven, and fluency in German with good English.

Senior Data Engineer will build and scale real-time streaming data pipelines for production ML systems. Responsibilities include developing feature engineering infrastructure, optimizing ETL and streaming workloads, and collaborating with Data Science and Backend Engineering teams. Requires 5+ years of experience building production data platforms with Apache Flink, Kafka, and real-time streaming architectures.

HR Manager provides leadership across talent acquisition, compensation, performance management, and employee relations. Requires 5+ years of HR experience, knowledge of employment law, and fluency in German and English.

General Manager oversees business operations and sales in core European markets including Germany, Italy, and Turkey. Responsibilities involve strategy formulation, team leadership, market research, and cross-border coordination. Mandarin and English fluency are required.

Regional Project Logistics Director to manage and coordinate project logistics business strategies regionally. Requires 15+ years of experience and a relevant degree. Focus on performance monitoring, strategic planning, and team leadership.