java English-speaking jobs in Mainz

Technical Purchaser & Logistics Specialist ensures smooth procurement, logistics, and supply chain operations for engineering teams. Responsibilities include purchasing electronic, mechanical, and lab components, coordinating shipments, managing incoming goods, and supporting invoice processing. Must have experience in technical purchasing, operations, or supply chain with strong organizational and communication skills.

Document Controller / HR Assistant to support large-scale data centre construction projects in Frankfurt. Manage project documentation, coordinate data centre project submissions, and assist with HR and payroll coordination.

This role is a hands-on, business-facing HR leadership position supporting manufacturing scale-up, cross-border operations, and M&A activities across Europe. The HR Manager will partner with Europe leadership, ensuring alignment between global HR frameworks and local execution.

Develop and implement IT cost management strategies for clients, contributing strategic insights into hardware, software, and managed services procurement. Manage projects across diverse industries, working with C-level contacts and BCG colleagues. Drive internal knowledge development and thought leadership within the Center of Excellence for Tech Sourcing.

Data Protection Specialist needed for a large organization in Frankfurt. Advises on data protection compliance for projects, conducts audits, and supports day-to-day operations. Requires a degree in a related field, GDPR and BDSG knowledge, and experience in data protection.

Aircraft Structural Component Mechanic needed for manufacturing and repair of fuselage parts. Requires mechanical training and ability to read technical drawings. English proficiency is required, German is a plus. Willingness to work shifts and travel to the US occasionally.

Analyze global and local business requirements to design Business Central/NAV solutions. Develop, configure, and enhance BC/NAV applications using AL and C/AL. Coordinate Business Central integration with surrounding systems.

Provides day-to-day GFCC advisory services to the business, assisting in the creation and maintenance of policies and procedures related to AML and CTF laws. Evaluates new business initiatives for regulatory impact and compliance. Advises the business on internal policies and regulatory matters. Collaborates with teams on regulatory examinations, audits, and investigations. Requires strong knowledge of German regulatory financial crime requirements and experience in risk assessment.

Scrum Master to facilitate agile processes, coach development teams, and support product backlog management.

Working Student supports e-commerce operations at VitaminExpress in Munich. Responsibilities include maintaining product data, supporting campaign execution, analyzing website performance, and handling internal requests. Must be enrolled in a degree program, detail-oriented, comfortable with Excel, and have a tech affinity.

The Data Curation Unit (DCU) seeks a Team Lead to co-develop and implement a unified data curation framework across the Helmholtz Association. The DKFZ lead will coordinate local and cross-site activities, supporting researchers with structured guidance, tools, and workflows for high-quality, reproducible, and AI-ready imaging datasets.

Credit Risk Management Specialist will manage credit risks across the organization, ensuring a globally harmonized credit risk framework. Responsibilities include customer credit risk management, bank assessments, leasing assessments, and risk mitigation.

As a Sales Executive, you will expand market share among physicians in Germany, focusing on orthopedic surgeons in Lower Saxony. You will conduct on-site appointments, present digital therapy, and manage relationships with medical facilities.

Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal structuring, manage existing investments, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance/structure finance. Strong German and English language skills are essential.

Manages the full lifecycle of the company fleet, including procurement, deployment, maintenance, and disposal. Ensures operational readiness of vehicles and construction equipment across project sites. Monitors fleet costs, coordinates with service providers, and maintains fleet data. Requires experience in fleet management, technical understanding of construction machinery, and fluency in Romanian and English.

As a Medical Science Liaison, you will provide non-promotional medical education to healthcare professionals, support the appropriate use of Procare Health products, and contribute to the development of the German affiliate's medical function.

Supports warehouse and fulfillment operations, driving service performance and cost efficiency. Monitors warehouse provider operations, manages inventory, and oversees order fulfillment. Collaborates with cross-functional teams to improve customer experience.

Tech Support Specialist provides remote technical support and end-user assistance to customers in Germany. Diagnoses and resolves technical issues with recording and patient monitoring equipment. Maintains clear communication with customers, managers, and internal stakeholders.

Support value stream mapping and AI-supported process optimization projects. Gain insights into production operations and contribute to improving efficiency.

Customer Order Specialist (m/f/d) for Airbus Operations in Hamburg-Fuhlsbüttel. Responsible for order processing, material sourcing, and ensuring on-time delivery to meet customer expectations. Requires several years of experience in planning/material procurement and logistics, SAP knowledge, and fluency in English.