java English-speaking jobs in Wiesbaden

Lead a research group focused on next-generation control strategies for prosthetics and orthotics. Develop and maintain a multi-year research roadmap, investigate and validate novel control architectures, and design experimental validation studies. Collaborate with internal and external partners to ensure research outputs are grounded in real user needs and compatible with regulatory requirements.

Designs and develops high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architects, implements, and reviews complex multithreading and parallelization concepts. Analyzes, refactors, and optimizes existing codebases, identifying bottlenecks and improving performance.

As an Investment Valuation Manager / Associate, you will provide valuation expertise for development projects, transactions, and operational assets in the renewable energy sector. You will support investment decisions, refine valuation methodologies, and ensure the quality of financial models.

As a working student, you will support the management of a global strategic customer within the Global Account Team. You will contribute to sales activities, planning customer events, and assisting with account planning and engagement.

Senior Kernel & Hypervisor Engineer will build the EC2 Nitro Hypervisor for AWS, developing virtualization components and automating infrastructure flows. Responsibilities include designing, testing, and deploying solutions across the virtualization software stack, driving operational excellence, and influencing the technological roadmap. Experience designing or architecting new and existing systems, full software development life cycle, and writing clean, optimized, and scalable code using C or Rust is required.

VesselBot seeks a motivated Sales Development Representative to generate qualified leads and build a pipeline for logistics sustainability solutions. Responsibilities include prospect research, outreach via phone, email, and social media, lead qualification, and CRM maintenance. Previous sales, customer service, or related experience is required.

Leads the technical design of complex digital systems (MCU, DSP, accelerators) for a global semiconductor company. Requires 10-15+ years of experience, strong RTL design skills (Verilog/SystemVerilog), and a MS/PhD in Electrical Engineering or related field.

The Chief Information Security Officer will establish and implement the security strategy for BitGo EU. This role will lead the identification, assessment, and treatment of information security risks, ensuring compliance with BaFin, DORA, and MiCA regulations. The CISO will also own incident response and reporting processes, define security policies, and collaborate with global security teams.

The Payroll Manager is responsible for the end-to-end German payroll process for approximately 700 employees. The role involves managing monthly payroll runs in SAP and SuccessFactors, verifying master data, and handling payroll-related inquiries. The position requires several years of professional experience in German payroll, advanced knowledge of German wage tax and social security regulations, and strong SAP skills.

As a Mission Control Engineer, you will build and operate mission planning systems for a growing satellite constellation. You will monitor, control, and optimize spacecraft performance, collaborating with various teams to ensure reliable data delivery. Responsibilities include developing mission planning services, defining engineering standards, and translating mission requests into executable commands.

Manage daily cash management operations, including payment processing, bank statement setup, and system interfaces. Implement and administer a new treasury management system and contribute to the development of Power BI dashboards.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

Drive the technological evolution of sensor systems, focusing on robust, precise, and innovative solutions for demanding industrial inspection applications. Translate customer and application requirements into viable system architectures, with a focus on ultrasonic technologies and state-of-the-art signal processing. Define, plan, and manage verification and validation tests at system level based on technical specifications. Advise management on technological topics, particularly sensor technologies, system platforms, and inspection applications. Work closely with an interdisciplinary and international team across mechanics, electronics, and software.

Production Engineer will provide technical support for safe, efficient, and high-quality operations in a state-of-the-art biorefinery. Responsibilities include troubleshooting, optimizing plant performance, and collaborating with teams to ensure smooth operations.

Associate Legal Counsel will draft, negotiate, and advise on technology service agreements for AWS commercial customers in Germany and EMEA. The role provides legal counsel on product development, operational, security, compliance, and data protection matters.

Senior Scientist to contribute to the development of bioelectrochemical technology for enhanced biomethane production. Responsibilities include defining research questions, designing experiments, and translating scientific outcomes into actionable decisions. Requires expertise in applied bioelectrochemistry, anaerobic digestion microbiology, and scale-up awareness.

Lead the European organization for IEP Technologies, a global leader in safety solutions. Shape the future of industrial safety across Europe, with a focus on the DACH region. Drive business performance, foster cross-border collaboration, and ensure sustainable growth.

IU International University seeks a Computer Science professor to teach and conduct research on-site at their Cologne campus. The professor will develop and lead lectures, supervise students, and contribute to the development of teaching formats. Applicants must have a doctoral degree in Computer Science or a related field, at least five years of professional experience, including three years outside of academia, and expertise in Software Engineering and Project Management.

Lead System Architect to design, architect, and deliver enterprise-scale Pega solutions. Provide technical leadership, conduct design and code reviews, and ensure application scalability, performance, and security. Fluent German and English required.

Petroleum Engineers analyze geological data to determine extraction methods and risks. They evaluate reservoirs, design drilling plans, and manage production operations.