java English-speaking jobs in Mainz

Lead strategic Data & AI advisory engagements, acting as a trusted executive advisor. Shape data-driven transformation strategies, design solutions, and advise on governance and compliance.

Database Systems Evaluation Expert role requires 5+ years of database internals experience or a PhD. Responsibilities include designing engineering tasks, building correctness checks, and evaluating performance measures like latency and throughput.

Field Service Engineer to provide technical support for Nanographic Printing presses. Responsibilities include resolving on-site technical issues and transferring knowledge to operators. Requires 2+ years of product support experience in the graphic arts industry.

Site-based EHS Construction Specialist supporting major data center developments. Drive compliance with NTT's EHS standards and ISO 45001 across all construction phases. Requires 5+ years EHS experience and 2+ years in construction.

Recruiting and Development Manager to build employment brand and talent across fulfillment operations. Responsibilities include full recruitment lifecycle management and managing learning systems. Requires 2+ years of experience and fluency in English.

Own talent strategy for a renewable energy platform. Lead full-cycle recruiting for senior roles, drive culture, and manage development. Requires experience in high-growth environments, AI proficiency, and German employment law knowledge.

Backend Developer role focusing on video platform development and sports analytics. Requires a degree in computer science and experience in computer vision development with C++.

Adaptable PYP Classroom Teacher needed for Primary School starting November 2026. Support the IB mission, manage resources, and differentiate lessons for diverse learners. Requires a relevant degree and 3+ years of experience in a multilingual setting.

Senior Specialist Production supports the CEO Division Production by planning goals, leading projects, and acting as a central communication liaison. Requires a degree, analytical skills, and advanced German/English.

Own HOLY’s IT operations end-to-end, building a secure, scalable foundation. Responsibilities include security/compliance (NIS2, GDPR), device management (Jamf, Intune), identity, and SaaS governance to support international growth.

Senior Partnerships Manager owns creator and affiliate programs. You will source, negotiate, and measure creator partnerships for small brands, driving growth and managing budgets. Requires 5+ years in influencer marketing.

Senior Technical Project Manager to drive technical execution across Mira’s e-commerce ecosystem. Coordinate cross-functional teams to ensure timely delivery of website updates, product launches, and promotions. Requires 4–7+ years in e-commerce project management.

Software Developer for Test and Simulation Framework. Design and develop software in ADA and C++ for avionic simulations. Experience in simulation or avionic software development is key.

Senior Development Engineer Transistors defines, develops, and releases bipolar transistor products. This role leads development and optimization projects, conducts benchmarking, and provides technical mentorship. A Master's or PhD in semiconductor physics is required.

DSP Technician supports downstream processing in a GMP biopharma setting. Responsibilities include executing manufacturing processes, preparing GMP documentation, and maintaining cleanroom standards. Requires relevant technical training or a related degree.

Drive direct sales growth and support IVD distribution in Germany. Lead commercial strategy, manage budgets, and navigate public tenders in the healthcare/MedTech space. Requires 10+ years experience and fluency in German and English.

SAP S/4HANA CSV & Validation Consultant needed for a pharmaceutical company deploying the core model in Germany. Responsibilities include validating SAP processes (MM, QM, FI/CO, etc.), managing data migration, and ensuring regulatory compliance.

Lead Maintenance & Operations Supervisor for a new high-tech surface treatment plant. Responsibilities include ensuring operational stability, managing technical teams, and overseeing 24/7 operations. Experience with automated systems is key.

Senior scientific and strategic leadership role shaping oncology R&D strategy and leading partnerships. Responsibilities include developing internal platforms, managing the R&D budget, and leading the Oncology RnD team. Requires a PhD and cancer biology expertise.

Senior Material Planning Manager to optimize material planning, inventory, and lifecycle management across the network. Drive MRP strategies, manage multi-site processes, and support end-to-end supply chain planning. Requires 5-7 years of relevant experience.