java English-speaking jobs in Mainz

Investment Manager/Director will originate, structure, and close acquisition financings for private equity firms and acquirers. Responsibilities include credit assessment, LBO modeling, negotiation, and portfolio management. Requires 4-10 years of relevant experience in leveraged finance, M&A advisory, or private credit. Strong LBO modeling skills and existing relationships within the Swedish M&A ecosystem are essential. Fluent in English and Swedish.

Senior Compliance Counsel provides strategic legal advice, designs compliance frameworks, and manages investigations for a multinational telecommunications company. Requires German legal qualifications and 5-8 years of experience in law firm and in-house compliance.

As a Visual Merchandiser for Berlin KuDamm, you will create inspiring displays, support sales, and ensure brand consistency. You will collaborate with the store manager and Head of VM to develop visual strategies, manage VM activities, and train the store team. You will analyze product performance, adapt to seasonal guidelines, and contribute to achieving commercial goals.

Lead the development of 3D and generative computer vision systems for an AI-powered tennis training system. Architect, design, and optimize deep learning models for real-time applications. Integrate vision models with robotics and collaborate with the founding team to define the technology roadmap.

Senior Corporate Counsel will provide legal support in German and International contract law, commercial law, corporate law, and construction law. Draft, review, and negotiate legal documents and advise teams on legal issues related to operations in Germany. Requires 5-10 years of legal experience with German law expertise and fluency in German and English.

Working student will contribute to the development of generative AI agent models and data pipelines for automated processing of regulatory texts. Requires strong Python programming skills, experience with web scraping, APIs, and databases (SQL, NoSQL).

Develop data-driven surrogate models to replace computationally expensive simulations for aneurysm treatment. Design and implement machine learning pipelines using CFD and FEM data. Integrate models into the in silico trial framework and evaluate their accuracy. Collaborate with clinicians, scientists, and engineers. PhD in a relevant field with strong machine learning experience is required.

Lead and transform a global accounting function into a scalable, automation-first operation. Shape accounting strategy, modernize finance technology, and drive AI-powered automation initiatives. Manage multi-entity accounting, ensure financial visibility, and lead tax, compliance, and audit readiness.

Lead the end-to-end promotional engine for a European pet e-commerce company. Develop strategy, team, tooling, governance, and P&L impact. Build a Promotions Center of Excellence and align vendors, category, marketing, pricing, product, and finance across markets.

Lead the strategy and roadmap for the enterprise eHealth portfolio, including cloud and platform solutions. Manage the full product lifecycle, from concept to launch and scaling. Define product architectures and drive key decisions on development.

The Vice President of Legal Software Business Unit (LSW) leads a pan-European software business, driving profitable growth and operational excellence. This role is responsible for strategy, execution, and P&L accountability across Sales, Product, Marketing, Customer Success, Operations, and Regional Leadership. The VP will lead a transformation to a focused product portfolio and function-led organization, leveraging AI and modern technology to accelerate growth and innovation.

Leads a team of data architects and engineers, developing and scaling data and AI capabilities. Responsible for strategic development, portfolio management, client relationships, and translating AI/data capabilities into client solutions. Requires 5+ years of leadership experience in data architecture & engineering, cloud platforms (Azure, AWS), and demonstrable portfolio responsibility.

Lead business analysis activities for data, analytics, AI, and business transformation initiatives. Translate business needs into technical specifications and collaborate with cross-functional teams to deliver data-driven solutions.

Yibi Precision seeks a technical professional to develop and execute a market strategy for MIM technology adoption in European industrial sectors. Responsibilities include identifying and targeting potential clients, leading the client acquisition process, and providing technical consulting and solution development.

Coordinate international employee relocations, including visa, work permit, and immigration processes. Manage domestic and international business travel arrangements. Serve as the main point of contact for employees regarding relocation, travel, and administrative matters.

The Chief Engineer is responsible for maintaining hotel facilities and equipment, managing the maintenance budget, and ensuring compliance with health and safety procedures. This role involves managing contractors, ordering supplies, and maintaining records of equipment. The Chief Engineer will also lead and develop a team, proactively identify process improvements, and manage projects.

Packaging Development Manager will own and drive the PPWR roadmap, translating regulatory requirements into implementation plans. Develop and optimize consumer packaging solutions, balancing functionality, sustainability, and brand impact. Collaborate across functions, working with Packaging Development, Sustainability, R&D, Quality, Procurement, Production, Marketing, and Logistics.

Leads the end-to-end demand planning process, ensuring accurate and reliable demand forecasts. Collaborates cross-functionally with sales, marketing, and S&OP teams to align demand drivers and promotional campaigns. Drives continuous improvement in forecasting performance and collaborates with Supply Chain and Global S&OP teams to resolve constraints.

b2venture Fund seeks an Associate or Investment Manager to identify and invest in early-stage companies. Responsibilities include deal sourcing, industry research, investment process support, and portfolio management. Candidates should have 2-4+ years of relevant experience, a strong academic record, and fluency in English and German.

As a Principal PS Consultant, you will design, build, and deliver Genesys Cloud solutions for enterprise customers. You will serve as the lead technical architect, ensuring high-quality solution delivery and providing technical mentorship.