java English-speaking jobs in Mainz

The Director Controlling Central Finance EMEA will drive standardization and optimization of financial processes across EMEA, ensuring adherence to procedures and developing new processes. Responsibilities include month-end closing, reporting, SOX and internal audit, financial planning and analysis, and leading strategic initiatives. The role requires extensive experience in senior finance management, people leadership, and process management.

Support toxicological risk assessments for pharmaceutical and medical device products. Perform evaluations of impurities, E&Ls, APIs, and excipients. Contribute to scientific risk evaluations and support the qualification of product deviations.

Senior Director of Product Management will own strategy, coordination, and execution for Clarivate's IP Management Software (IPMS) portfolio. This role drives a convergence strategy for a unified IPMS future while ensuring the success of existing platforms.

Designs and evolves software solutions ensuring maintainability, scalability, and reliability. Collaborates with product management, engineering, and other disciplines to bring robust solutions to life. Experience designing distributed systems on Kubernetes and a major cloud (ideally Azure) is required.

Leads Solution Architecture across Europe, ensuring consistent, scalable, and performance-ready architectures for customer projects. Drives professional development and technical excellence within the Solution Architect team. Collaborates with Sales, Product, and Delivery leadership to shape technical approaches and unlock growth. Requires 8-12+ years of Solution Architecture experience in SaaS, cloud, data platforms, or enterprise-scale implementations.

Warehouse Specialist responsible for receiving, inspecting, storing, and dispatching goods. Ensures smooth material flow and supports internal processes. Requires completed vocational training, ideally in warehouse logistics, valid forklift license, and experience in warehouse and logistics.

Security and Loss Prevention Specialist will support business operations resilience by contributing to emergency planning, identifying vulnerabilities, and managing risk. The role involves investigating security incidents, auditing sites, and collaborating with internal and external parties to ensure compliance with security standards.

Design engineer for composite/hybrid aircraft structures. Requires Bachelor's degree in aerospace engineering, 3+ years experience, and CAD proficiency (CATIA V5, DDMS 3D Experience, VPM). Fluency in English is mandatory.

SAP Basis Developer for a global S/4HANA transformation program in the pharmaceutical sector. Develop and deploy SAP Fiori apps, provide Basis support, and build reports and interfaces. Strong S/4HANA, Fiori, and ABAP experience required. Pharma or CDMO experience essential.

Support loading and unloading trailers and swap bodies in a shift operation. Tasks include unloading trucks, lifting packages onto a conveyor belt, and ensuring professional loading in compliance with quality specifications.

Mechanical Engineer (m/f/d) will execute mechanical sub-systems for power plant projects, including decarbonized and hybrid solutions. Responsibilities include managing sub-systems, coordinating with global partners, and ensuring projects are delivered on time and to quality standards.

Oxford Instruments seeks a detail-oriented Accounts Payable Specialist to process invoices accurately and efficiently, ensuring compliance with German accounting standards.

Lead Full-Stack Developer to further develop a learning platform with AI features. Responsibilities include implementing new features, improving performance, and contributing to product strategy. The stack includes Angular, TypeScript, Python, Django, and AWS.

Edit, translate, and refine German language content for AI training. Collaborate with AI trainers to localize language models. Evaluate AI-generated German text and contribute to model improvements.

JetBrains seeks an Outsourcing Talent Partner to build and manage a scalable model for hiring temporary and contract-based talent across multiple locations. This role involves vendor management, end-to-end hiring processes, and collaborating with hiring managers and cross-functional teams.

Senior Producer will guide the end-to-end delivery of educational game content, ensuring timely and on-budget production. Responsibilities include establishing and improving studio workflows, managing project operations, and empowering a junior production team. Requires 5+ years of games production experience, a proven track record of guiding game production cycles, and deep technical familiarity with production pipelines.

Product Reliability Engineer develops and manages qualification concepts and product-specific reliability requirements. The role focuses on product performance, failure mechanisms, and lifetime behavior, ensuring alignment with global test standards.

The Chief Revenue Officer will lead revenue growth, go-to-market strategy, and the customer lifecycle across multiple European markets. This role will design and scale a hybrid commercial model, own GTM strategy, pricing & packaging, and market expansion. The CRO will also own revenue forecasting, performance ownership, and KPI framework.

Leads and manages the accounting function for the Straumann Turkey organization, ensuring compliance with Turkish GAAP, IFRS, tax regulations, and corporate policies. Oversees financial closings, statutory accounting, tax compliance, and financial reporting. Manages relationships with external stakeholders and drives process standardization and automation. Leads and develops the local accounting team.

Working Student supports the day-to-day operations of KoRo's Italian Retail business. Tasks include order processing, sample shipments, stock monitoring, and collaborating with internal and external teams.