java English-speaking jobs in Mainz

The Market Development Representative generates new business opportunities for Red Hat by qualifying leads and collaborating with sales teams. This role involves outbound outreach, lead qualification, and handoffs to Account Executives.

As a Working Student (f/m/d) in UX Design, you will support design efforts, collaborate cross-functionally, and contribute to user-centric experiences. You will design user interfaces, participate in user research, and contribute to quality control.

The Max Delbrück Center for Molecular Medicine seeks a Head of Scientific Computing to lead a team of HPC systems engineers and research software engineers. The successful candidate will ensure state-of-the-art HPC infrastructure and user support for a diverse research community.

Performs work assignments related to supply, storage, and accounting procedures for material stocks. Investigates and resolves discrepancies in receipt, processing, and stock releases. Assists with receipt, unloading, and checking of materiel. Prepares orders for material and ensures proper storage of hazardous materials. Conducts physical inventories and spot-checks. Operates material handling equipment and prepares reports. Requires a German driver's license class B. English language proficiency level B1 and German language proficiency level C2 are required.

As a Visual Commercial, you will design displays, interpret trends, and bring collections to life in our BERSHKA store in Berlin. You will work with the team to implement visual standards and support commercial decisions.

Transport premium vehicles throughout Europe in a brand-new truck with a capacity of 8 vehicles. Coordinate with teams to ensure damage-free, on-schedule deliveries. Starting routes at the production center in Ketzin near Berlin.

Design mechanical components and assemblies for electronic systems, including enclosures, structural parts, and PCB integration. Collaborate with electrical engineering teams to ensure optimal integration and product reliability.

Scientific Founder's Associate to work directly with founders on clinical, scientific, and strategic projects. Support evidence generation strategy, protocol design, and data analysis. Contribute to publications, scientific communication, and product validation.

The German Cancer Research Center (DKFZ) seeks a creative and collaborative early-career researcher to establish an independent junior research group in translational gynecologic cancer research. The successful candidate will focus on early detection, diagnosis, therapy, or prevention of ovarian and/or endometrial cancer and other gynecologic malignancies. The position is intended for researchers in the "qualification phase" with a strong publication record and experience in tumor biology and/or preclinical and translational cancer research.

Blackwave is seeking a hands-on Composite Manufacturing Operator to produce high-quality composite components. Responsibilities include operating production equipment, monitoring manufacturing parameters, and inspecting components. Experience in composite manufacturing, technical production, or a comparable role is required. Willingness to work shift work (day shifts between 6am and 10pm Monday to Friday) and English speaking skills at least B2 are also required.

Concept Engineer needed for freelance/contracting project in Munich. Define architecture concepts, component requirements, and platform specifications for Timer and Capture/Compare components. Collaborate with cross-functional teams to ensure seamless integration and quality of Timer IP components.

Customer service representative (French/German) needed for full-time employment. Tasks include processing customer emails, telephone and written communication, expert advice, and problem solving. Excellent German and fluent French skills required.

Drive revenue and shape sales strategy as a key member of a fast-growing start-up focused on decarbonizing the energy sector. You will execute sales strategies, manage outreach initiatives, and collaborate with management to achieve company growth.

Develop and implement the global insurance program and strategy for the Coatings division, advising stakeholders on insurance matters and optimizing global insurance coverage. Manage policies, certificates of insurance, and proofs of coverage, coordinate with insurers and brokers, and support global claims handling.

We're looking for an English speaking sales consultant to join our growing team in the Kaiserslautern/Ramstein area. We are a trusted name in the region, known for providing top-quality vehicles, exceptional service, and an unparalleled buying experience.

Senior Event Technician responsible for commissioning, supervising, and shutting down technical systems and installations. Experience with lighting consoles (GrandMA), media servers, and control software required. Troubleshooting, maintenance, and installation of technical equipment for events. Strong technical understanding and team player.

Social worker to advise and support adults facing family difficulties. Requires a diploma in social work and experience in adult protection or willingness to train. Must be organized, able to handle stress, and manage multiple tasks. Fluency in French and good knowledge of German required.

As a Senior Enterprise Account Executive for Transport & Mobility, you will manage the full sales cycle for critical transport infrastructure operators in Germany, focusing on major airports and public transit systems. You will develop account strategies, build relationships with key decision-makers, and work with Solution Consulting, partners, and the KRITIS team to achieve revenue targets.

Lead AI transformation for a global client, developing strategy, vision, communication plan, and training program. Requires experience in AI transformation projects and C-level communication.

Own and manage financial operations, from daily tasks to strategic insights. Prepare investor reports, financial analyses, and ensure compliance. Improve bookkeeping, accounts payable/receivable, and customer invoicing.