java English-speaking jobs in Mainz

Document Controller role supporting data centre projects. Responsibilities include project documentation, reporting, scheduling, and stakeholder coordination. Requires fluent German and English, strong organization, and experience in project administration.

Procurement Specialist for Facility & Construction Services drives the Sales Market procurement strategy. Responsibilities include securing a compliant supplier base, managing agreements, and supporting the full procurement cycle. Requires 3+ years of relevant experience.

Lead, build, and sell ALAIKA's Data & AI practice. Shape the firm's Data & AI franchise and originate high-value mandates. Represent ALAIKA's Data & AI practice through industry speaking and publishing.

Develops the Purchasing & Procurement Domain according to the Area Consulting CoE Sustainable Enterprise and Corporate IT Strategy. Translates business needs into scalable, secure, and value-driven IT solutions. Acts as advisor, guiding business units through ideation, process optimization, and technology scouting. Ensures adherence to the Enterprise Architecture Management (EAM) framework.

Manage the Reliability Maintenance Engineering team to maintain and optimize technologies across the global Amazon Warehouse & Delivery Network. This role involves troubleshooting, repairing, and ensuring equipment performance at fulfillment centers.

What you'll need: Good German or English language skills – enough to take part in security trainings (required for working in secure areas) and to communicate on the warehouse floor. Your Benefits • Attractive hourly wage of up to €17. 80 gross/hour, plus tax-free night shift allowance of €4.

Expert in SpacePV Integration & Failure Analysis. Focus on reliability, degradation mechanisms, and qualification under extreme space conditions, adhering to ESA/ECSS standards.

Manage software development tasks and the backlog for a simulator. Provide information flow between the software team and stakeholders. Control technical progress, schedule, cost, and quality.

Payroll Specialist to manage payroll processes, ensuring accurate and compliant operations. Responsibilities include data validation, coordinating with providers, and supporting Compensation & Benefits. Requires German payroll experience and fluency in German and English.

Senior Java Developer needed to design and maintain complex backend applications using Java and Spring Boot. Requires 5+ years of Java experience, knowledge of CI/CD, Docker, and Agile methodologies.

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.

Field Technician role requires Aeronautical Engineering or Aircraft Technician apprenticeship. Responsibilities include planning technical interventions, performing off-site repair/maintenance, and ensuring airworthiness. Requires gas turbine maintenance experience and willingness to travel internationally.

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.

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Director Group Portfolio Execution owns end-to-end integration and carve-out execution for strategic deals. This role requires leading complex, cross-functional projects, driving implementation strategy, and ensuring compliance across sectors.

Warehouse Team Lead responsible for achieving performance objectives through daily management, cost savings, and service level improvements. Duties include overseeing returns handling, developing procedures, and analyzing data. Requires at least one year in warehouse management and fluency in English.

Quality Engineer Regulations is responsible for ensuring products meet legal requirements and customer expectations. This role involves cross-functional collaboration, managing compliance assessments, and integrating regulatory requirements into the product lifecycle.

Leads JOIN's revenue strategy across sales, account management, and RevOps. Executes international expansion strategy and builds a world-class commercial motion. Collaborates with Product and Marketing to align the full funnel. Establishes a data-driven revenue culture and owns forecasting, pipeline management, and reporting. Shapes company strategy and JOIN's future.

Drive Fixed Income Institutional Sales for Italian and international Real Money clients. Expand relationships across Fixed Income, Treasury, and Structured Products, requiring deep product knowledge and travel.

Drive end-to-end recruitment for high-level specialist, engineering, and leadership roles across Germany and EMEA. Advise hiring communities on market trends and manage the full hiring process. Fluency in German and English is essential.