java English-speaking jobs in Mainz

Postdoctoral Researcher positions are available in Economic Theory, Empirical Microeconomics, or Behavioural/Experimental Economics. Tasks include research and teaching in Economics programmes. Candidates need a relevant M.Sc./M.A./Diploma/Magister and a PhD.

Seeking a Network Development Senior Expert to strengthen the strategic and operational development of the European workshop network. This role involves hands-on execution and ownership of transformation and future-proof network concepts to improve performance and competitiveness.

Computer Support Administrator role supporting DoD organizations. Responsibilities include incident triage, hardware/software maintenance, and system administration on Windows 10 Enterprise networks. Requires Secret clearance and strong customer service skills.

Drive the growth of Next Generation Products across Europe. Develop new business opportunities, manage customer relationships, and collaborate with cross-functional teams to deliver innovative flavor solutions for nicotine pouch and other next-generation product manufacturers.

Lead growth marketing strategy, overseeing outbound sales campaigns, inbound lead generation, and digital marketing efforts. Requires 7+ years in growth marketing with leadership experience.

Manage BESS project contracts across C&I and Utilities segments, handling negotiation, risk management, and execution. Requires 5+ years in Contract/Commercial Management with experience in energy or BESS projects.

Sales Manager for Customer Acquisition in the B2B e-commerce sector. This role involves connecting industrial SMEs with global buyers via platforms like "wlw" and "europages," and offering digital marketing services. Polish language skills are required.

Warehouse Specialist manages end-to-end parts flow: receiving, put-away, picking, packing, and dispatch. Requires 1-3 years of warehousing experience and a valid Forklift Operator License.

Data Analyst supporting technical quality and customer insights. Analyze complex production data against KPIs, identify root causes, and correlate global supply chain data. Requires a quantitative degree and statistical analysis skills.

Lead end-to-end bid processes for complex public/private tenders across Europe. Coordinate cross-functional teams, manage risks, and ensure compliant, competitive proposals. Requires 3-5 years of bid management experience and fluency in English and German.

Dual Student in Data Science and Artificial Intelligence for Digital Production (B.Sc.) starting in October. This role is within BBC Cellpack, a company with a history of innovation in materials and industrial goods.

Drive enterprise adoption of VMware Kubernetes Service (vKS) on VCF. This hands-on, customer-facing role involves designing, validating, and deploying vKS solutions, acting as a trusted advisor to enterprise clients.

This role leads the enhancement of the liquidity management framework and regulatory obligations for State Street Bank International. Responsibilities include managing liquidity stress testing, developing funding plans, and driving data analytics for risk management.

Develop FPGA/SoC digital designs for complex laser system control and readout. Own the full lifecycle, from architecture to prototyping and verification. Requires 2+ years in FPGA/digital design with Verilog/VHDL.

Principal Coherent Systems Engineer develops leading coherent MODEMs using next-gen PICs. Responsibilities include performance characterization, system trade-off analysis, and pushing baud rates. Requires PhD and 3+ years in optical communications.

Start your career in an international kindergarten.

Shape positioning and go-to-market strategy for Jedox EPM solutions. Lead cross-functional product launches, enable sales, and translate complex technology into customer value propositions. Requires 5-7 years of B2B SaaS PMM experience.

Build the GTM machine for private cloud storage sales. Own lead sourcing, enrichment, outbound infrastructure, and performance tracking. Requires hands-on experience with Apollo, Clay, HubSpot, and building sales automations.

Lead Continuous Improvement transformation across EMEA (Germany & France) to build operational excellence. Define and deploy CI strategy, embedding Lean, TPM, and Six Sigma across manufacturing and supply chain.

ESMC seeks a General Security Manager to establish and develop the local security organization for its Dresden semiconductor fab. This role ensures the protection of people, information, IP, facilities, and operations while implementing security strategies.