26 English-speaking jobs in Mainz

  • soonami.io GmbH
  • Mainz
  • February 11
soonami GmbH seeks an Entrepreneur in Residence with proven startup experience and expertise in AI or Web3. Selected candidates will participate in a 10-day sprint and build their startup as part of a 3-month program.
  • Next Mobility Labs // Circunomics
  • Mainz
  • February 11
LogoBusiness Developer to sell battery cells, modules, and packs to B2B customers. Focus on segments such as Energy Storage, micro-mobility, power tools, and industrial equipment. Manage the full sales cycle, from prospecting to account growth. Requires 3-8+ years of B2B sales experience in related industries.
  • Next Mobility Labs // Circunomics
  • Mainz
  • February 10
LogoAs a Sales Specialist – Battery Sourcing, you will secure high-quality, second-life-ready batteries from scrap yards, workshops, and other sources, feeding them into Circunomics' digital marketplace. You will negotiate contracts, perform on-site assessments, and collaborate with the Business Development team to align sourcing targets with demand.
  • Next Mobility Labs // Circunomics
  • Mainz
  • February 10
LogoSales Specialist to identify, qualify, and win buyers for energy storage systems across key customer groups. Own the commercial pipeline from outreach through negotiation and contracting.
  • Next Mobility Labs // Circunomics
  • Mainz
  • February 10
LogoCircunomics is seeking a creative and communicative individual with startup experience to join their team. The ideal candidate will have project planning and strategizing knowledge and a high level of autonomy. Circunomics is a leading company in battery circularity, developing a digital marketplace for battery trading.
  • E-Mobility Search
  • Mainz
  • February 9
Aerodynamic Engineer will design and simulate advanced turbocharger components, including volutes, turbine wheels, and guide vanes. Responsibilities include running high-fidelity simulations, generating turbine maps, and developing 1D/3D simulation methods. Requires a PhD or Master's degree in Mechanical Engineering or similar with a focus on turbomachinery or aerodynamics and 3+ years of experience in automotive or related engineering fields.
  • Aareon
  • Mainz
  • February 9
LogoWorking student to support office management, focusing on customer training and consulting team coordination. Responsibilities include scheduling training sessions, managing correspondence, and arranging travel.
  • Weber-Stephen Products EMEA
  • Mainz
  • February 5
Customer Service Specialist will drive key service processes, ensuring agents deliver a premium customer experience. Responsibilities include spare parts forecasting, stock monitoring, order accuracy, and supporting agents with product queries.
  • Optimus Search
  • Mainz
  • February 5
Senior C# Developer to build and evolve backend systems and APIs for business-critical applications. Focus on designing, maintaining APIs, enhancing platforms, and supporting automated testing and deployment.
  • HelloFresh SE
  • Mainz
  • February 4
Develop new recipes and improve existing ones for a healthy meal delivery service. Collaborate with cross-functional teams to ensure recipes meet nutritional, cost, and production targets. Analyze customer feedback and market trends to inform recipe development.
  • MEDPACE
  • Mainz
  • February 3
LogoExperienced Clinical Research Associate needed for full-service CRO. Medpace provides Phase I-IV clinical development services to the biotechnology, pharmaceutical, and medical device industries. Sign-on bonus up to 7,500 EUR based on experience.
  • Terry Soot
  • Mainz
  • February 2
LogoCollects mapping data using client-provided vehicles equipped with data collection equipment. Operates vehicles safely and efficiently, adhering to project guidelines. Maintains vehicle and equipment cleanliness and reports incidents professionally. Requires 5+ years of driving experience, 2+ years professional driving experience, and good English.
  • Medical Staff Talent
  • Mainz
  • January 31
LogoRegistered Nurse needed for 1:1 care of an 80-year-old VIP client aboard a private yacht. Responsibilities include medication management, chronic condition monitoring, medical coordination, and travel accompaniment. Must have a BSN, 4+ years acute hospital experience, native English or C1 level, and be able to travel extensively within Europe.
  • TFS HealthScience
  • Mainz
  • January 30
LogoClinical Research Associate will monitor clinical trial sites for protocol, GCP, and regulatory compliance. Responsibilities include conducting site visits, verifying source data, and supporting site staff. Requires a bachelor's degree in life sciences, 5+ years of CRA experience, and knowledge of ICH-GCP. Experience with women's health studies is a plus.
  • Deutsches Krebsforschungszentrum (DKFZ)
  • Mainz
  • January 29
LogoThe Helmholtz-Institute for Translational Oncology Mainz (HI-TRON Mainz) seeks highly motivated physicians for a Clinician Scientist Fellowship. The fellowship provides protected research time, comprehensive training, and access to state-of-the-art facilities. Candidates should have a higher medical degree (equivalent to MD-PhD) and be within 2 years of specialized medical training.
  • IMPACT GmbH
  • Mainz
  • January 29
LogoStudent Assistant to support production and logistics operations at a traditional winery in Mainz. Tasks include bottling, labeling, quality control, warehouse, and logistics work.
  • TechBiz Global GmbH
  • Mainz
  • January 29
Team Lead Assembly to plan, coordinate, and oversee daily assembly operations, ensuring safety, quality, and productivity. Develop, implement, and optimize processes to improve production efficiency. Collaborate with cross-functional departments and team leaders.
  • DKFZ
  • Mainz
  • January 26
LogoThe German Cancer Research Center (DKFZ) seeks highly motivated physicians for a HI-TRON Clinician Scientist Fellowship. This fellowship provides protected time for research, comprehensive training, and access to state-of-the-art facilities. Applicants must have a higher medical degree (equivalent to MD-PhD) and be within 2 years of specialized medical training.
  • Wolters Kluwer
  • Mainz
  • January 24
LogoAs a Revenue Marketing Manager for DACH, Nordic/Benelux, you will design and execute go-to-market strategies to generate leads, build a pipeline, and elevate brand reputation. You will collaborate with regional and global teams to develop marketing plans, localized messaging, and Account-Based Marketing (ABM) programs.
  • TechBiz Global GmbH
  • Mainz
  • January 23
QA Engineer to design, develop, and maintain automated test frameworks for Salesforce solutions. Responsibilities include testing Salesforce customizations, integrations, automations, and data flows. Requires 5+ years of experience with Playwright for end-to-end automation and strong experience testing Salesforce applications.
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