java English-speaking jobs in Mainz

Supply-Chain Planning Systems Lead will optimize forecasting & replenishment system logic, configure processes and user views, and manage system improvements. The role requires experience in demand or supply planning, advanced planning systems, and ERP integration.

Support Manufacturing Engineering by handling design nonconformities, managing iDelivery tasks, and contributing to continuous improvement initiatives.

Financial Accountant (all genders) needed for growing finance team. Manage operational and closing-related accounting activities, including occasional support in Accounts Payable. Prepare monthly, quarterly, and annual financial statements in accordance with HGB and IFRS. Drive continuous improvement of accounting processes and systems.

Growth Marketing Manager will build and scale growth strategies for Buena's portfolio companies across Germany. Responsibilities include developing a growth playbook, managing paid, SEO, lifecycle, partnerships, and local activations, and reporting directly to the VP Property Management.

The Data Center Engineering Operations Technician ensures the delivery of best practice systems and problem resolution for data center electrical and mechanical infrastructure. This role requires a self-managed individual who proactively solves complex technical problems and collaborates with stakeholders to deliver operational excellence.

Provide compassionate care and assistance to clients abroad with daily living activities. Administer medications, prepare meals, and monitor client conditions.

Senior Frontend Engineer (Angular) will develop user-facing platforms for the German Human Genome-Phenome Archive (GHGA) data portal. Responsibilities include implementing user interfaces, creating wireframes and prototypes, and architecting, testing, and maintaining web applications using Angular, TypeScript, and Tailwind CSS.

Account Manager (m/w/d) manages full-cycle customer relationships, from business development to long-term partnership. Leads contract negotiations, drives account growth, and acts as the interface between customers and internal departments. Requires 3-8 years of experience in Account Management, Sales, or Business Development in the Life Sciences, Diagnostics, or Medical Technology Industry.

Senior Analyst – BCG Vantage within BCG's Technology and Digital Advantage (TDA) and Principal Investors & Private Equity (PIPE) Practice Areas. Provides industry and functional expertise and insights to case and proposal teams. Supports Tech due diligences, translates technology assessments into investment-relevant insights, and develops benchmarks and conducts surveys. Contributes to developing intellectual property & assets for the business and manages unique BCG offerings.

The Data Center Engineering Operations Technician ensures the delivery of best practice systems and problem resolution for data center electrical and mechanical infrastructure. This role involves site interventions, troubleshooting, and fixing infrastructure issues. The technician will be responsible for preventive maintenance, facility monitoring, and responding to potential customer-impacting events.

SAP MDG Senior Consultant needed for a 9-month project. Focus on MDG configuration, integration with Teamcenter, and optimization. Requires experience with MDG workflows, data modeling, REST APIs, and integration scenarios. Project language is English.

Lead and develop a team of Account Executives focused on driving Brevo's growth across DACH. Coach, inspire, and empower your team to achieve quota attainment and individual growth. Execute the go-to-market strategy, monitor pipeline health, and support full-cycle sales execution.

This senior finance position oversees day-to-day finance operations across Germany and other European countries. The role focuses on cost control, operational performance, financial discipline, and reporting. The successful candidate will collaborate with central teams while maintaining operational ownership.

Part-time employee needed for package sorting in Stuttgart-Airport. Tasks include loading/unloading vehicles and containers, scanning and sorting packages, and potentially operating a forklift. Must have good communication skills, German and/or English proficiency, organizational skills, a willingness to learn, and teamwork abilities. Ability to lift packages up to 32 kg and move heavier items with assistance is required.

Analyzes payment and fraud trends, handles chargebacks and refunds, and supports B2C eCommerce operations. Requires commercial or financial background, eCommerce experience, and strong analytical skills.

Expert in digital licensing sought to build BASF's monetization setup. Lead cross-technological litigation and licensing teams, assess legal and financial implications, and develop negotiation strategies. Prepare executive briefings and deliver training on value-creation opportunities within the patent portfolio.

Emergency physicians provide immediate care to patients with acute illnesses and injuries, rapidly assessing, diagnosing, and stabilizing them. They perform urgent procedures, order and interpret diagnostic tests, and coordinate care with other medical staff.

Principal Consultant to set up and govern Focused Build methodology, align delivery with SAP Activate and Agile principles, and manage requirements in Solution Manager.

The EDC Senior Officer leads/co-leads business development efforts in assigned European markets. Responsibilities include identifying and developing new business opportunities, managing the EDC brand image, and collaborating with internal teams to develop account strategies. The role requires 5+ years of experience in international or trade financing, international business, corporate banking, or a related field. Fluency in English and German is required.

PhD Research Assistant position available in the field of peripheral nervous system biology. The successful candidate will analyze the impact of the transcription factor Sox10 on glial plasticity in the peripheral and enteric nervous system. Applicants should have experience in neuroscience, molecular biology, cell culture, and histology.