java English-speaking jobs in Mainz

We seek: We seek an outstanding early-career scientist to establish an independent research program in Computational RNA Biology and develop theoretical, computational, and AI-based approaches to understand how RNAs and RNA-binding proteins control gene regulation, protein function, subcellular organization, biomolecular condensation, and intracellular transport.

Experienced Analytics Engineer needed for an IFS Cloud reporting migration. Responsibilities include analyzing SQL logic, designing BI solutions in Power BI with advanced DAX, and building robust data models. Strong SQL and data modeling expertise is required.

Lead the legal team and act as primary advisor for a scaling SaaS business. Own legal strategy covering contracts, data protection, corporate governance, and regulatory risk across EU, Germany, Austria, and Switzerland.

We are looking for a motivated, communicative, and well-organized HR Management Intern to join our Berlin team. You will support recruitment, employer branding, applicant management, people operations, and employee experience. You will gain direct insight into how an internation

Lead the acquisition and management of a high-potential, family-owned SME in Germany through AIA's MBI Program. Requires 5+ years in general management with full P&L accountability and deep German business roots.

Senior Consultant in Life Sciences Operations. Design and implement end-to-end Operations and Supply Chain strategies. Drive transformation programs like Smart Factory and Lean initiatives. Analyze complex operational challenges.

Junior Global Sourcing Manager researches and qualifies suppliers across Europe, Asia, and North America. Responsibilities include preparing RFQs, comparing offers, and supporting negotiations for FF&E and kitchen equipment.

Senior Finance Manager owns the full reporting cycle across European entities, ensuring accuracy and compliance. Responsibilities include month-end closing, shareholder reporting, and process improvement. Requires 7+ years of experience in Finance or Accounting.

Experienced Site Lead needed for Document Management Services in Berlin. Responsibilities include strategic leadership of production teams, managing operations, and ensuring business continuity. Requires relevant degree/certification and experience in production or document management.

Logistics Operation Specialist manages daily logistics, coordinating internal teams and external vendors for on-time delivery. Responsibilities include inventory management, shipment tracking, and issue resolution. Requires a logistics background and strong communication skills.

Multi Category Buyer for a 9-month fixed-term project transforming Global Procurement. Responsibilities include coordinating services and works procurement, supporting digitalization, and preparing administrative documents. Requires analytical thinking and strong English and Spanish skills.

Senior Software GUI Engineer for Embedded Systems. Develop, implement, and test software for medical products, focusing on innovative solutions meeting regulatory requirements. Requires 5+ years in GUI software engineering in the embedded field.

Field Technician role involves planning and executing off-site repair/maintenance on helicopter engines. Requires Aeronautical Engineering degree or technical apprenticeship, gas turbine experience, and willingness to travel internationally.

Leads the ecosystem strategy for HubSpot's Builder Platform, encompassing developer platform, APIs, marketplace, and integrations. Drives API parity, monetization strategies, and a seamless developer experience. Builds and scales developer platforms, APIs, app marketplaces, or ecosystem products. Partners with Data Platform, Partnerships, and Product Hub leaders to create a unified builder experience. Represents HubSpot externally with developers, partners, and industry leaders.

Lead a large engineering organization for data, analytics, and AI platforms. Shape organizational design, drive delivery excellence, and scale engineering capability through strong technical and people leadership.

R&D Hardware Project Manager for Power System and Cooling. Responsible for design, development, and characterization of new system elements. Requires a technical degree and experience in multi-KW power supply and thermal management.

Deliver the "Mastering Document Control" executive course. Requires 10+ years in document management or related fields, proven training delivery experience, and strong knowledge of control frameworks and compliance.

Experienced UAV Expert/Pilot needed for defense and security drone technologies. Responsibilities include FPV flights, autonomous missions using ArduPilot, and analyzing flight logs. Requires hands-on FPV experience and knowledge of ArduPilot and Betaflight.

Experienced Salesforce Developer needed to support Sales, Service, and Experience Cloud development and improvement. Key tasks include CRM post-merger integration, data migration, and CI/CD using SFDX and Copado. Requires strong Apex, LWC, and integration experience.

Drives global growth for Digital Health Solutions via strategic partnerships, acquisitions, and ecosystem development. This role executes the global strategy to expand recurring digital revenue and accelerate portfolio growth.