java English-speaking jobs in Mainz

The World Communion of Reformed Churches seeks an Administrator to coordinate event management, administrative systems, and support the General Secretariat. Responsibilities include implementing office management tools, developing IT systems, and managing human resources and building management.

Lead electronics engineer to manage pursuit engineering activities for automotive energy solutions. Design and develop electronic systems and components for low voltage Lithium Ion, Sodium Ion batteries, and super capacitors. Collaborate with automotive customers to understand their requirements and provide tailored electronic solutions.

Develop and execute the functional bar business plan for Germany, partnering with marketing and equity teams. Manage customer relationships, negotiate plans, and drive sales through modern trade, convenience, sports, and online channels.

Plan, organize, and execute commissioning activities for railway electrification projects. Adjust protection and control parameters, ensure compliance with contractual specifications, and report project status.

Design a framework to evaluate process and tool maturity levels within a global supply chain. Analyze existing processes and tools for digital readiness and recommend actions to increase efficiency.

Experienced Financial Accountant needed for Travemünde office. Responsibilities include daily bookkeeping, financial reporting, and preparing financial statements. Must have strong Excel skills and experience with full-cycle accounting.

As a Market Sales Associate, you will guide small and medium-sized businesses in enhancing their digital presence. You will analyze client needs, recommend solutions, and build strong relationships to drive growth.

Leads Financial Accounting Operations & Closing Processes, including US GAAP financial statement preparation and review. Manages 2 direct reports and oversees external accounting service providers. Collaborates with various departments and serves as primary point of contact for audits.

As Sales & Revenue Operations Manager, you will optimize sales processes, build dashboards for funnel analytics and forecasting, and manage CRM data integrity. You will collaborate with cross-functional teams, design enablement tools, and drive automation projects.

Senior Project Manager to oversee data center construction in Berlin. Requires a degree in construction or technical engineering and 10+ years of experience managing large, complex construction projects. Must have strong communication and stakeholder management skills and fluency in German and English.

Pricing Analyst supports the business unit planning cycle by analyzing demand, pricing, product mix, and key drivers. The role contributes to S&OP processes, consolidates HUB inputs, and manages pricing tools and approvals.

Junior Product Manager will design, develop, and maintain tracking implementations using web technologies. Translate business requirements into technical specifications and collaborate with engineering teams to integrate tracking logic. Validate tracking accuracy and build data pipelines for ingesting and enriching tracking data.

Amazon PPC Division Manager will oversee the PPC department, ensuring alignment with company strategy and operational effectiveness. Responsibilities include managing reporting, onboarding clients, building processes, identifying bottlenecks, and mentoring the team.

Manage and grow publishing partnerships across 5-6 European markets. Serve as the primary point of contact for partners, coordinate internal workstreams, and ensure smooth collaboration.

International SOS seeks a Near Patient Nurse to deliver medical case management and communication for TRICARE beneficiaries in the Stuttgart area. The role involves collaborating with local healthcare providers, managing patient care, and escalating complex cases. Travel to hospitals and specialist sites is required.

Senior Quality Manager (m/f/d) CMO – Monoclonal Antibody Manufacturing manages quality oversight at contract manufacturing organizations (CMOs) for oncology products. Responsibilities include implementing and maintaining DS quality standards (GMP/GDP) and regulatory requirements at CMOs, managing quality-related topics, and supporting CMOs during Authority Inspections.

Support the controlling function for the sales region MEA & CIS. Prepare management reports, conduct performance analyses, and assist with the planning process.

Finance & Administrative Manager (Part-Time) needed for a defense technology startup. Responsibilities include bookkeeping, financial administration, invoice processing, expense management, and administrative support. Requires several years of experience in bookkeeping, finance, or back-office roles, proficiency in DATEV or similar software, and fluency in German.

Support experienced team members in servicing and developing French and European real-money investors. Negotiate and execute trades with institutional clients, develop client-focused investment ideas, and contribute to sales initiatives.

Provides end-to-end technical support for hardware and software issues across various devices. Manages tickets, escalates incidents, and supports Microsoft 365, Azure AD, and other enterprise systems. Configures and manages devices using Intune, Jamf, and Snipe-IT.