java English-speaking jobs in Mainz

Innovecs seeks a Sales Director / Senior Sales Leader to drive revenue growth in the Supply Chain & Logistics industry. This role focuses on expanding long-term client partnerships and creating new opportunities from existing networks. Requires 5+ years of senior sales or account leadership experience selling IT services / outsourcing within the Supply Chain & Logistics domain. Proven ability to convert long-standing industry relationships into complex IT services or outsourcing engagements is essential.

Develop and implement holographic display solutions, from concept to prototype. Combine optical design expertise with hands-on lab work, collaborating with customers and teams.

Fullstack Java Engineer to build cloud-based applications using Java, TypeScript, and frameworks like Spring Boot, React, Angular, or Vue.js.

Lead strategic projects and programs from concept to implementation. Operationalize strategic measures to facilitate transformation at PHOENIX group. Develop and expand the "Strategic Initiatives" department. Design and implement strategies in collaboration with the Executive Board. Manage stakeholders as a change agent for strategic initiatives.

Junior Motion Graphics Designer will collaborate with Creative Producers, Motion Designers, and Video Editors on TV and YouTube ads. Responsibilities include adapting and localizing TV ad projects for different countries and supporting post-production workflows.

The German Cancer Research Center seeks a Scientific Coordinator for its Division of Medical Image Computing. The coordinator will provide administrative and organizational support to the division head, coordinate activities and processes, and assist with scientific project management.

Publicis Sapient seeks a Manager/Senior Manager with a proven track record in the DACH utilities industry. The role involves driving digital transformation projects, building client relationships, and leading consulting engagements. Candidates should possess deep utilities industry knowledge, strong consulting skills, and the ability to develop go-to-market strategies.

Electrical Product Engineer will work in the New Product Introduction (NPI) engineering team, bringing new printed circuit boards into production. Responsibilities include managing quality, product changes, and technical supply chain processes.

Assists in routine operation of the inorganic chemical laboratory, conducting tests on consumer products according to standard operating procedures. Performs sample preparation, analysis, and result calculation using instruments like ICP, XRF, and UV-Vis. Requires a Bachelor's degree in chemistry or related field and 1-2 years of experience.

Junior Project Coordinator supports project delivery by ensuring transparency, communication, and tracking of schedules, costs, and risks. Assists in planning, structuring, and documenting projects. Requires a technical or commercial vocational training or degree, first professional experience in project management or technical development, and proficiency in German and English.

Provides training, develops training materials, and supports the deployment of AIX Analytics at service agreement sites. Solves problems and analyzes solutions using TE procedures. Requires 1-2 years of experience and a Bachelor's Degree in engineering.

Lead a high-performing media buying team and execute multi-million-dollar, multi-channel campaigns across Europe and Latin America. Drive data-led optimizations, negotiate with media partners, and collaborate cross-functionally.

Experienced CFO to lead finance function for a holding company and family office with a portfolio of growing start-up companies. Responsibilities include financial strategy, accounting operations, financial controlling, compliance, legal and corporate structure oversight, process optimization, and due diligence support.

As a Specialist Solution Engineer, you will demonstrate and evangelize Agentforce IT Service, a next-generation ITSM solution built on Service Cloud. You will articulate the value of Agentforce and its seamless integration within the Salesforce portfolio. This role requires expertise in ITSM and the ability to think outside the box to identify solutions that drive sales.

Manages end-to-end production of seasonal assets for e-commerce platforms, including marketing content. Collaborates with creative and production teams to ensure smooth operations and high-quality asset delivery. Develops and leads process improvements, including new scheduling processes and templates. Liaises with stakeholders, manages budgets, and mentors team members.

Senior Director to lead analysis of alternative investments, focusing on private markets. Responsibilities include developing new products, maintaining existing products, and representing Scope to issuers, investors, and the media. Requires 8+ years of experience in the financial industry, a Master's degree, and fluency in German and at least one other major European language.

Coordinates warranty execution, acts as the primary customer contact, and manages defects and NCRs. Analyzes field incidents and quality data to drive continuous improvement. Supports warranty projects and retrofits in the DACH region.

The International Research Training Group C4LaNd offers 24 doctoral positions at KIT, UHO, and UoM. The program focuses on land use solutions for climate and biodiversity crises, integrating natural sciences, social sciences, and economics. Applicants must have a master's degree in a relevant field, research experience, and fluency in English. Doctoral students will complete a one-year research stay abroad and receive a dual degree.

Retail Management Apprentice in Bienne, starting August 2026. Three-year apprenticeship focused on customer service, product sales, and ensuring excellent service.

The Director Security Consulting (CEU, GEA, and SEU) drives security-related sales and project delivery across Europe. This role translates International SOS security strategy into actionable plans to expand sales. Responsibilities include market analysis, client relationship management, project leadership, and security offering development. Requires experience in security consulting, project delivery, and leadership. Fluency in English and German is essential.