java English-speaking jobs in Mainz

Regional Marketing Manager to drive growth for DIY Home Energy Storage across DACH. Develop and execute regional marketing strategies for solar and storage products, supporting launches and commercial growth. Requires marketing experience and fluency in German.

Head of Sales EMEA leads and transforms the commercial business across a defined region, holding end-to-end P&L accountability. This role drives regional transformation, develops growth strategies, and manages direct and distributor markets.

Software Engineer in Telemetry Team. Develop solutions to collect, transfer, process, and analyze telemetry data for V93000 test systems. Requires systems programming, data engineering, and Linux proficiency.

Lead full lifecycle management for large-scale data center construction projects. Requires 10+ years in large construction and 5+ in mission-critical environments. Must manage budgets over EUR100M.

Senior Coordinator for Revenue Operations/Billing. Coordinates billing processes, supports attorneys and clients, and analyzes complex client billing while ensuring adherence to firm guidelines. Requires experience in legal/professional services.

PLC-Programmer needed to design, program, test, and commission PLC-based control systems for the shipping industry. Requires a degree in a related field and experience with IEC 61131-3 and CODESYS.

Support the President to grow market share and revenue across Central Europe. Lead commercial teams, drive business plan execution, and manage M&A opportunities. Requires business leadership and experience in media/entertainment.

Solutions Architect for Digital Platforms, Google Cloud. Design and architect scalable DLT solutions, tokenization, and AI-driven automation for capital markets finance. Requires 7+ years in software engineering with Python, Go, or Java.

Sales Director for Eastern Europe, leading sales strategy across Czech Republic, Germany, Poland, Slovakia, Ukraine, and export markets. Direct sales activities, manage a large team, and drive growth aligned with global targets.

Plan and manage resource and crane scheduling for wind farm site operations, ensuring optimal allocation. Monitor project progress, identify risks, and coordinate cross-functional teams to meet deadlines.

Event Production Technical Lead Engineer responsible for technical operation, maintenance, and optimization of event production facilities and broadcast systems. Requires 7+ years in event/broadcast engineering and 3+ years supporting hybrid live events.

VP Sales, EMEA will lead enterprise customer acquisition strategies to drive year-over-year revenue growth. This role requires 15+ years of executive experience in GTM efforts for fast-paced tech organizations and must be based in Germany.

Air Freight Export Operator manages end-to-end export air freight shipments. Responsibilities include coordinating schedules, liaising with partners, and ensuring accurate documentation. Requires experience in Air Freight Export Operations and strong English communication skills.

Director, Development Delivery is accountable for all aspects of Data Centre construction delivery. This role ensures projects are safe, high-quality, on time, and within budget, managing teams and overseeing the entire lifecycle.

FPGA and C/C++ Developer for Scientific Data Acquisition. Program front-end electronics modules for DAQ at GSI/FAIR. Requires advanced FPGA (VHDL/Verilog) and C/C++ skills.

Perform end-to-end single-cell sequencing workflows using 10x Genomics or equivalent. Responsibilities include sample processing, dissociation, cell sorting, and molecular biology techniques like PCR and qPCR. Requires a Master's degree and 1–3 years of relevant lab experience.

Purchase Coordinator role involves processing purchase orders, researching and negotiating with suppliers, and ensuring timely deliveries. Requires a finance or business degree, 3+ years in purchasing, and fluency in German and English.

Logistics Specialist manages shipping documents, coordinates sea, air, and land freight, and tracks shipment status. This role requires proficiency in English and German, strong coordination skills, and experience with logistics systems is a plus.

Solutions Engineer BESS evaluates and sources utility-scale Battery Energy Storage Systems. This role bridges engineering and procurement, translating technical requirements into optimized commercial configurations while managing supplier relationships.

Senior Specialist in Computational Pathology Business Operations provides operational backbone for core business functions, including finance, procurement, and enterprise planning. This role supports strategic planning and manages external workforce operations.