java English-speaking jobs in Siegen

Office Manager needed for a busy international investment firm in Frankfurt. Manage daily operations, facilities, and provide support to a team of assistants. Requires 5-10 years of experience in office management, strong organizational skills, and fluency in German and English.

Designs business and solution architectures in the automotive environment based on customer and user-specific business cases. Responsible for organizational developments and business process modeling, ensuring the realization and consistency of projects from theory to operationalization.

Software Architect needed to design, develop, and implement software solutions. Responsibilities include defining technical vision, ensuring software quality and scalability, and providing technical leadership to development teams. Requires a Bachelor's or Master's degree in Computer Science or a related field and 5-7 years of experience as a Software Architect.

Lead an independent research group in Life Sciences at the Medical Faculty Münster for 4 years. Must have a doctorate defended no more than 6 years ago and research aligned with the Faculty's focus areas.

Leads Orcrist's Internal IT function, ensuring reliable devices, secure systems, and seamless access to tools. Builds and manages end-user computing, identity and access, internal SaaS administration, and IT service delivery. Owns onboarding/offboarding, endpoint management, and IT service desk operations. Partners with Security, Platform/Engineering, People Ops, and Workplace.

Leads, mentors, and develops a cross-functional engineering and technology team. Defines and evolves the technology roadmap for scalable, high-performance XR products. Evaluates, selects, and implements new tools, platforms, and technologies. Ensures high standards across software quality, security, reliability, and delivery. Partners with senior leadership to align technology with business strategy. Manages technology budgets, resource planning, and delivery timelines. Builds external technology partnerships and stays ahead of emerging market and technology trends.

The General Manager, Europe will lead the company's expansion across the region, developing and executing growth strategy, establishing regional operations, and building partnerships.

Experienced IT Engineer needed to maintain, improve, and secure core banking systems for securities operations. Responsibilities include incident resolution, system enhancements, and supporting business processes. Requires 5+ years of experience with COBOL, SQL, JCL, DB2 or Oracle, Mainframe environments, and SWIFT financial messages.

Lead and shape the group-wide accounting function, ensuring accurate and timely financial reporting across all PERGOLUX entities. Manage local accounting teams, oversee financial closings, and prepare annual financial statements. Develop and implement group-wide accounting guidelines and collaborate with external partners.

Leads strategic value-add services for a human risk management platform. Develops a consulting methodology focused on driving behavior change and risk reduction. Builds and operationalizes the consulting function, ensuring market differentiation. Acts as a subject matter expert and advocate for human risk management.

This role leads a team of HR Partners and HR Business Partners, partnering with site, business, and HR Leaders to strengthen culture and deliver business results. Responsibilities include ensuring operational excellence, driving employee experience and culture, providing oversight on investigations and employee relations matters, and supporting long-term business success through leadership development and talent planning.

The Project Coordinator – Market Expansion will coordinate and support projects related to opening new business operations in new countries. The role requires close collaboration with internal departments to ensure workflows, processes, and guidelines are followed. The Project Coordinator will also develop expertise in the company's sales system and support its correct setup and usage during new market openings.

Lead the design and deployment of AI models for personalization, pricing, search, and optimization across marketplace and fintech domains. Shape the strategic direction of data science, identifying AI/ML opportunities and championing the team's role in a rapidly advancing GenAI landscape.

The Regional CFO will lead the finance function for a European business unit with £250m in revenue. Responsibilities include P&L ownership, financial control, team leadership, and supporting regional growth objectives.

The Head of Compliance will act as the BaFin-appointed Compliance Officer for MaComp- and MaRisk-Compliance and Single Safeguarding Officer. This role develops, implements, and maintains compliance policies, procedures, and frameworks, ensuring alignment with regulatory changes and industry best practices. The Head of Compliance will lead the Compliance team, provide strategic guidance to senior management, and coordinate compliance-related projects.

As a Commis de Cuisine (m/f/d), you will prepare and cook meals, contribute to dish creation, and ensure adherence to HACCP standards. You will work as part of a team to create first-class dishes for international guests. Fluency in German and English is required.

Leads and develops X FAB's photonics activities, focusing on the XPH90 platform, heterogeneous integration, and optical device development. Manages multidisciplinary teams in Erfurt and Corbeil, defining technology roadmaps and driving strategic collaborations with partners. Evaluates customer requests, defines technical solutions, and participates in customer meetings.

Machine Learning Engineer to develop and optimize AI models for autonomous driving. Requires MSc/PhD in Computer Science, Robotics, or equivalent experience with TensorFlow or PyTorch, C++, and Python.

Identifies and evaluates market trends for SAP application management services and cloud solutions. Creates managed services portfolio roadmaps and designs new global managed services. Manages end-to-end service offers and supports sales and presales teams.

Senior Software Engineer will design, build, and maintain custom Ubuntu/Linux distributions for autonomous vehicle workloads. Responsibilities include optimizing ROS 2 DDS middleware, developing drivers for various vehicle interfaces, and implementing observability solutions.