java English-speaking jobs in Mainz

Leads the data, analytics, and AI enablement strategy for the Automotive division. Defines and executes a data products-driven, data mesh-oriented architecture. Partners with executive leadership to shape AI, analytics, and data monetization strategies. Builds, leads, and mentors high-performing teams across data engineering, analytics, and data product management.

Manage projects across all phases, analyze business processes, and advise on IT solutions. Develop client relationships, coordinate proposals, and manage project metrics.

Business Analyst with Legal and Compliance experience needed to support regulatory, risk, and compliance initiatives across enterprise systems.

Senior Compute Platform Engineer will build and maintain data infrastructure for Zeta's AI-powered marketing platform. Responsibilities include operating and implementing features, collaborating with data scientists, and mentoring engineers. Requires 7+ years of software engineering experience, proficiency in Scala or JVM-based languages, and experience with Spark and large-scale data processing frameworks.

Co-Founder sought for Berlin-based startup developing digital solutions for sustainable tourism. Responsibilities include sales, marketing, CRM, website design, social media, and problem-solving. Requires a university degree, strong communication skills, fluency in English, and a passion for sustainability.

Conduct and lead rigorous empirical research in digital transformation and digital business, aiming for publication in top journals. Teach at Bachelor and Master levels and collaborate in an international team.

As a Managing Partner in Gartner Consulting DACH, you will advise senior leaders on technology strategies to drive business outcomes. You will lead consulting engagements, expand client portfolios, and develop high-performing teams. Proven consulting experience, technology problem-solving skills, and executive-level relationship building are required. Native German fluency is essential.

Senior SAP MM Consultant to design, configure, and implement SAP MM modules for enterprise clients. Lead projects, collaborate with teams, and provide expert guidance on SAP best practices. Proven experience in SAP MM configuration and implementation in complex environments is required.

Lead and scale the German and DACH sales organization, developing and executing the go-to-market strategy. Build executive relationships, collaborate cross-functionally, and achieve sales targets.

Freelance lecturer to teach fundamental cyber security knowledge, including software development, databases, operating systems, and data formats. Design courses using provided materials and conduct practical teaching sessions. Requires a university degree in Cyber Security or a related field and practical work experience. Fluency in English (C1 level) is required.

The Chief Information Security Officer (CISO) will manage company-wide information security, shaping security and risk structures. The CISO will report directly to the Executive Board and work in a KRITIS environment with a direct impact on supply security and patient protection.

Lead the affiliate-wide Customer Excellence agenda, driving commercial performance, customer experience, and operational effectiveness. Partner with the General Manager and Affiliate Management Team to turn priorities into action and lead affiliate business planning and performance management. Drive transformation across Commercial, Medical, Market Access, and Business Technology Services.

Execute high-volume Factory Acceptance Tests on production multicopters, verifying performance and safety standards. Maintain operational flight proficiency and provide feedback on vehicle performance. Perform maintenance, repairs, and pre-flight preparations for acceptance flights.

Manages global product group, including P&L responsibility for crushing product line technology. Develops and implements product strategies, conducts market research, and collaborates with sales and engineering teams. Requires a bachelor's degree in Metallurgical Engineering or similar, 10+ years experience in mining, and strong communication skills.

Postdoctoral researcher position focused on microbiome-brain interactions and their role in neural plasticity. The project investigates the effects of gut microbes on hippocampal plasticity in humans, including microbial neurotransmitter production, network connectivity, and associations with cognitive behavior. The position involves analyzing existing human gut microbial data, fMRI data, and behavioral outputs, as well as conducting novel data collection on probiotic intervention.

Intern in the CTO Office supporting the CTO and Chief of Staff. Gain exposure to cross-functional collaboration, high-stakes decision-making, and the operational engine behind a fast-growing fintech. Prepare executive-level briefings, evaluate new technologies, and help structure the AI roadmap.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips.

The Customer Solutions Sustainability Development & Implementation Specialist designs, develops, and implements innovative sustainability solutions for customers across Europe. This role involves customer engagement, project leadership, and collaboration with cross-functional teams to deliver impactful solutions.

The Head of CoE Accounting (m/f/d) ensures the timely and efficient preparation of the Group's financial statements and develops accounting policies, standards, and processes. This role reports to the Director Accounting, Controlling, Risk, ICS & Insurance and serves as a sparring partner for various finance departments and the Group Management Board. Responsibilities include preparing consolidated financial statements, ensuring IFRS compliance, leading the Center of Excellence Accounting Team, and harmonizing global accounting processes.

Investment Banking Associate to execute buy-side and sell-side M&A transactions in the healthcare sector. Requires 2-6 years of investment banking, M&A advisory, or corporate finance experience. Strong financial modeling, valuation, and transaction execution skills are essential. Fluent German and English required.