java English-speaking jobs in Mainz

Senior Hardware Certification Engineer focusing on DO-254 supports the development and certification of unmanned aircraft systems. Responsibilities include developing certification artifacts and ensuring compliance evidence is complete.

Train on digital substations and IEC 61850. Requires a Master's in electrical engineering, strong German (C1) and English, and passion for explaining complex technical concepts. Travel is required.

Senior Regional People Manager for Europe to shape the employee experience and business performance for over 600 colleagues across 10 countries. This role drives people strategy, workforce planning, and leadership development.

Manage and grow a dispersed Sales Engineering team for Enterprise Core in Mainland Europe. This role involves driving value demonstration, account planning, and managing escalations for Samsara's IoT platform.

Develop, optimize, and characterize ALD coating processes for optical and functional thin films. This role involves process development, experiment planning, and collaboration on research and industrial projects.

Senior AI Engineer to design and build scalable ML and Generative AI systems for digital healthcare. Own the end-to-end AI lifecycle, from development to production monitoring, collaborating across teams.

Senior R&D Counsel to provide strategic legal support for R&D across Europe and New Markets. Advises on clinical trials, data use, privacy, and R&D agreements within diverse local legal environments.

Set strategic direction for global Cloud & Hosting Services, defining deployment across on-premise, edge, and cloud-native architectures. Assume executive ownership of Hosting Operations with P&L responsibility.

Support ING Germany's liquidity, funding, and risk management across currencies. Manage strategic liquidity, execute money market and FX transactions, and monitor portfolio risks. Requires finance/econ degree and Treasury experience.

Lead global automation strategy and implementation for production lines. Direct a team of 30 experts, defining standards for PLC, SCADA, and AMR technology. Drive Industry 4.0 initiatives to improve quality and efficiency.

Student Assistant for the Chair of Data Science. Responsibilities include literature reviews, analyzing experimental data using ML/NLP, and contributing to scientific papers. Requires a Master's in a relevant field with data analysis skills.

Lead full lifecycle management for large-scale data center construction projects. Requires 10+ years in large construction and 5+ in data centers. Must manage budgets over €100M.

Design and maintain enterprise AWS infrastructure, defining Landing Zones, governance, and security. Focus on cost optimization, advising teams, and ensuring compliance with ISO 27001 and GDPR. Requires 10+ years in IT infrastructure/cloud architecture.

Senior Data & AI Architect to design and build end-to-end data infrastructure for AI applications. Responsibilities include architecting for LLMs, defining modeling standards, and ensuring compliance in regulated sectors. Requires 5+ years of experience.

Experienced software development team lead develops technical concepts and supports agile teams. Analyzes requirements, leads and coaches development teams, conducts code and architecture reviews, and collaborates with stakeholders. Requires a degree in Computer Science or related field, leadership experience in software development, and strong interpersonal and technical skills.

Shape trivago's capital markets narrative and manage end-to-end investor engagement. This role involves building investor awareness, managing the pipeline, and supporting strategic finance analyses. Requires 7+ years in public markets roles and strong financial modeling skills.

Lead finance transformation projects, integrating accounting systems into Odoo ERP and streamlining processes. Drive automation, establish KPIs, and lead cross-functional teams in an international environment.

Support senior leaders in the M&A department by managing diaries, coordinating international travel, and handling administrative tasks. Requires fluent German and English, attention to detail, and experience in a fast-paced corporate environment.

Geospatial Research & Analysis Experts needed for GIS and spatial analysis roles. Review queries, develop workflows, and apply geospatial knowledge to real-world scenarios. Requires relevant degree and expertise with tools like QGIS or ArcGIS.

Lead Technician for Field Service supports a key customer, focusing on troubleshooting and resolving technical issues for Collins Interiors Commercial seating. Requires 6+ years in aircraft technical environments.