java English-speaking jobs in Mainz

Applications Engineer for Integration ensures quality assurance of advanced laser-based systems. This hands-on role involves microscope inspections, process control, and root-cause analysis across optics, electronics, and chemical processes.

Procurement Specialist for Facility & Construction Services drives the Sales Market procurement strategy. Responsibilities include securing supplier bases, managing agreements, and ensuring compliance with global standards. Requires 3+ years of procurement experience.

Regional Enterprise Sales Director for Industrial AI Transformation in DACH. This executive role drives commercial strategy and market expansion for Mendix and Intelligence Center X, scaling the business across Germany, Austria, and Switzerland.

The Contracts Specialist drafts and negotiates agreements for commercial and customer support. This role ensures policy compliance, manages contract lifecycles, and supports internal teams. Fluent English and German are required.

Registered Nurses with an active German RN license provide remote customer service to international medical clients. Responsibilities include resolving inquiries, complaints, and requests, acting as a telecare clinical contact, and adhering to SOPs. Training is provided and includes technical support and treatment analysis.

Country Manager for Germany in animal nutrition. This role involves building the commercial strategy, developing the customer base, and establishing a local team for a priority growth market. Requires strong German market knowledge and sales experience.

Warehouse Associate role available. Opportunities for full-time or part-time work with fixed schedules. Night shift options are available.

Communications Specialist (Part-Time 60%) to shape internal and external communications for a global brand. Responsibilities include content creation, engagement tracking, and supporting leadership and external campaigns. Requires a degree/apprenticeship and 2-4 years of relevant experience.

Workforce Management Scheduler Analyst needed to create and manage schedules, resolve conflicts, and analyze workforce data. Requires fluency in English (C1 level), 2+ years in customer service or call center environment, and proficiency in Google Suite and Microsoft Office.

Strategic HR Business Partner to advise senior management on HR, structure, and employment law. Responsibilities include shaping organizational development, managing HR strategy, and leading recruitment. Requires relevant senior HR experience and knowledge of employment law.

Provide regional operational leadership for security and loss prevention across Germany, Austria, and CEE. Support security strategies, manage retail crime prevention, and lead incident investigations. German and English language skills are essential.

The Crew Planner coordinates the entire seafarer onboarding process, including forecast planning, crew changes, and recruitment. This role requires experience in international crewing and strong understanding of maritime regulations.

Project Manager needed for an IT development studio serving the DACH region. Lead presales, manage the full project lifecycle, and act as the primary German-speaking client contact. Requires IT project management experience.

Lead design and delivery of Generative AI and advanced analytics solutions for Life Sciences clients. Own GenAI engagements, advising senior stakeholders on data-driven recommendations. Requires 6-10+ years in data science/AI with Life Sciences experience.

Experienced Sales Manager needed to develop engineering polymers business across Southern Germany. Focus on growing accounts and building new business with plastics processors and manufacturers. Requires deep market knowledge.

Drive digital transformation using AI and intelligent automation. Lead cross-functional projects to implement scalable solutions in areas like Supplier Quality and Procurement. Requires relevant Master's degree and project management experience.

Product Specialist role involves reporting on European consumer electronics competitors, researching industry dynamics, and identifying market trends. Requires a technical degree, familiarity with consumer electronics, and English fluency.

As a Sales Manager (m/f/x) - Customer Acquisition, you will focus on selling Europages in the Polish market. You will conduct targeted phone calls and presentations to identify customer needs and close deals. You will leverage your sales experience and Polish language proficiency to drive growth in the Polish market.

Self-employed Sales Advisor role in financial services. Build client relationships, acquire new clients, and provide financial advice. Requires interest in finance, sales, and an entrepreneurial mindset. Fluent English is necessary.

CMO role driving growth and monetization for a weight-loss app using AI agents and automation. Responsibilities include developing scalable acquisition and retention campaigns, optimizing pricing, and analyzing data to achieve measurable results. Requires 4+ years of experience using AI tools.