java English-speaking jobs in Mainz

As an AI Business Consultant, you will leverage your expertise in AI technologies, Microsoft Dynamics 365, Azure, and Power Platform to advise clients on AI-driven solutions. You will analyze AI algorithms, conduct market research, and document findings to bridge the gap between technology and business strategy.

Senior IT Project Manager to lead complex IT infrastructure and workplace transformation programs. Requires several years of experience managing complex IT projects, interdisciplinary agile teams, and C-Level stakeholders. Must have hands-on knowledge of client architecture, M365/Windows Workplace, IT security, or endpoint management. Business-fluent German and EU or NATO nationality required.

GTM Lead will build and manage the M&A pipeline for Buena, identifying and qualifying potential property manager acquisitions in Germany. Responsibilities include building a comprehensive target universe, developing sourcing strategies, conducting market research, and managing working students.

As a Business & Data Analyst, you will translate business requirements into implementable data products and reports within the Sales, Marketing & Distribution Controlling (SMDC) Department. You will design, build, and deploy analytical datasets, dashboards, and reports in Power BI, ensuring alignment with KPI logic and interpretation standards.

Support the regional HSEQ Manager NCE by providing administrative support, analyzing HSEQ data, and assisting with the implementation of regional plans. Collaborate with teams to ensure compliance and participate in site visits and audits.

Internship in Global Supply Chain Business Transformation supporting projects and initiatives. Tasks include preparing presentations, business process documentation, and supporting global communication. Seeking students studying Business Administration, Business Engineering, Mechanical Engineering, Mathematics, Computer Science, or related fields with strong academic results and practical experience.

Experienced Recruitment Consultant to manage full recruitment lifecycle for European roles. Manage candidate sourcing, client relationships, offer negotiations, and onboarding. Minimum 2 years recruitment experience required. Fluency in English and Chinese preferred.

This part-time evening shift position involves loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs. and flexible shift availability. Warehouse experience is preferred.

Production worker needed for a 2-shift system (05:00-14:00 and 13:00-22:00). Responsibilities include cleaning, inspecting, and ensuring a safe work environment. Previous production experience is a plus. Earn up to €3,200 gross per month. Every other week you'll have Friday off.

For our bilingual schools in Dreieich (near Frankfurt) as well as Frankfurt City we are looking for a School Counselor (in full-time or part-time).

SAP HANA Database Administrator required for remote work (EU or UK). Install, configure, and administer SAP HANA databases. Perform system monitoring, tuning, and performance optimization. Manage backups, recovery, and disaster recovery. 3+ years of experience required.

Experienced Project Manager needed for full-lifecycle delivery of 380/220/110 kV overhead transmission line projects in Germany. Requires 10+ years experience, civil/structural engineering background, and proficiency in relevant software. Fluent German essential.

Proglow, a fast-growing B2C beauty brand, seeks a Junior Digital Graphic Designer to support the development of engaging visual content across digital channels. The ideal candidate has a degree or relevant training in Graphic Design, proficiency in Adobe Creative Cloud (Photoshop, Illustrator), Figma, and AI-powered design workflows.

Working Student to support the Legal Compliance European team with compliance projects, investigations, routine checks, and policy adaptation. Must have a degree in Law, Compliance, or related fields, strong communication skills, and proficiency in English and German.

Senior Clinical Research Associate II/III will manage comprehensive clinical trial management for diverse indications. Responsibilities include site selection, monitoring, and close-out visits, supporting subject recruitment, and ensuring adherence to GCP and ICH guidelines.

Experienced Datacenter Construction Project Manager needed for a long-term project in Munich. Manage day-to-day construction activities, ensure quality control, coordinate teams, and act as the primary client contact. Proven experience in mission-critical construction and strong stakeholder management skills are required.

Experienced FIS Quantum Application Expert needed for 6-month contract to support treasury technology initiatives. Provide end-to-end support for FIS Quantum, identify process improvements, and partner with cross-functional teams.

Fulfillment Associate needed for a team focused on delivering customer orders. Tasks include unloading, sorting, and transporting packages. Must be able to lift up to 15kg, stand for extended periods, and follow safety guidelines. Basic German or English language skills required.

Senior Legal Counsel provides strategic legal advice to Experian's management, leading complex projects and ensuring compliance with national and international laws. Expertise in international business law, contract law, data protection law, and experience managing high-stakes legal matters across multiple jurisdictions is required.

Founders Associate Intern to support the development and validation of a Go-to-Market playbook, identify and scale sales channels, and build an AI-first GTM organization.