java English-speaking jobs in Mainz

Director Analyst to provide research and advisory on transforming financial reporting systems using AI and automation. Serve as a subject matter expert on AP, AR, and financial close processes for global clients. Requires 10+ years of relevant experience.

Internship in Modeling and Simulation of Heat Pump Systems. Support digital twin modeling and develop virtual test procedures for heat pump systems. Requires knowledge of thermodynamics, heat transfer, and fluid mechanics.

Analyze and plan Army exercises and training to boost readiness. This role involves developing plans, supporting training evaluations, and contributing to posture and crisis planning for the Army and partners. Requires 6+ years in military operations or planning.

Lead technical discovery and design customized data-management solutions on the Workiva platform. Bridge sales, IT, and stakeholders to translate customer needs into integrated, AI-enabled workflows. Own technical outcomes end-to-end.

Senior Manager Product Marketing owns the SDV strategy and defines next-generation microcontrollers for the automotive business. This role captures market requirements, owns pricing strategy, and leads go-to-market activities.

Execute and manage clinical education programs in DACH, coordinating logistics for courses, congresses, and workshops. Liaise with stakeholders, manage budgets, and build relationships with universities and KOLs. Requires 4-6 years of relevant experience.

Remote Cruise Planner role focuses on turning travel inquiries into confirmed sailings. You will match clients with the right cruise line, itinerary, and experience using a consultative sales approach.

Lead SSBI IT Transformation PMO and IT Material Change Control teams. Drive execution, governance, and reporting for strategic and regulatory IT change in a complex, matrixed environment.

B2B Sales Specialist role requires 5+ years of quota-carrying B2B sales experience, ideally as an Account Executive or SDR selling to large enterprises. Responsibilities include designing grading criteria and scoring sales deliverables. Strong written communication is essential.

Lead global Commercial Excellence and Sales Enablement strategy to drive customer-centric, data-driven transformation for Fluid Connectors. Define go-to-market models, optimize sales structures, and own the end-to-end customer experience.

Working Student for Robotics Hardware & Electronics. Build, wire, and test robot systems, reading schematics, debugging electronics, and scripting with Python. Requires enrollment in a relevant field and hands-on experience.

Design, build, and test hardware for space infrastructure combining AI computing with laser and RF communications. Focus areas include digital, analog, RF, and power electronics. Requires 3+ years in complex electronic hardware development.

Senior UX Researcher needed to drive strategic decisions through qualitative and quantitative research. Requires 5+ years of experience, strong research skills, and fluency in German and English.

Senior Specialist manages and enriches security and reference data across instrument types to support valuation. This role involves resolving data issues, coordinating with vendors, and supervising event data processing in XENTIS. Requires 3+ years in securities data management and fluency in German and English.

Sales Director - EMEA Mid-Market leads a team of Client Executives to drive growth in Pharma, BioTechs, CDMOs, and life sciences. Responsibilities include strategic sales planning, C-Suite relationship building, and managing revenue targets.

Design and execute test plans for full-stack features, covering UI, API, and database layers. Write functional test cases and build automated UI/API tests. Collaborate to ensure quality from execution to release readiness.

Sales Stylist at LS&Co. delivers exceptional 1:1 service, sharing styling advice to help customers express themselves. Responsibilities include supporting store operations, visual merchandising, and achieving sales goals.

Warehouse Worker position available for immediate hiring. This role offers full-time and part-time opportunities with fixed shift schedules. No prior logistics experience is required.

Senior Optics Engineer to develop optical and optomechanical systems for next-gen optical interconnect solutions for AI datacenter applications. Requires Master's in Electrical Engineering or Optical Physics and 5+ years in fiber-optic or photonic components.

Digital Marketing Sales Executive needed to identify business opportunities in the German-speaking market. Manage the full sales cycle and build strong client relationships. Must be a native or fluent German speaker with at least one year of sales and/or digital marketing experience.