student English-speaking jobs in Gelsenkirchen

Designs, builds, and deploys production-ready AI solutions, integrating AI into existing business systems and optimizing performance. Collaborates with clients to understand processes, identify automation opportunities, and drive AI-led change. Builds AI prototypes, demonstrates capabilities to prospective clients, and assesses client AI readiness. Requires 2+ years of experience implementing AI/ML systems, strong Python skills, and a portfolio of deployed AI/ML systems. Fluent English required.

Lead Security Engineer will drive security initiatives, embedding secure-by-design principles across platforms and products. This role involves creating tooling, leading design reviews, and mentoring engineers on secure development lifecycles.

Maintains and enhances the quality management system and process landscape, ensuring BSI C5 compliance and ISO 9001 requirements. Defines, adapts, and monitors processes in software development and related services. Plans, executes, and documents internal audits and supports external audits. Ensures process and quality documentation is accurate, complete, and audit-ready.

The Team Coordinator Logistics organizes and oversees shipping and warehouse operations, ensuring efficient processes and on-time deliveries. This role combines operational tasks with team leadership, process optimization, and continuous improvement.

The HR Business Partner Office DACH will execute global HR strategies, support senior leaders, and adapt initiatives to local needs. This role provides strategic HR guidance, drives talent and people solutions, and supports workforce planning, organizational design, and change management.

Product Engineer to design, implement, and maintain backend services, APIs, and user-facing features for a collaborative scheduling platform. Collaborate with product managers, designers, and engineers in a cross-functional process. Contribute to the overall architecture of the system and participate in code reviews.

Lead Workday Specialist will oversee and maintain the organization's HR & Financial information systems. Responsibilities include installing, implementing, modifying, and upgrading software, providing technical support, collaborating with leadership on improvements, and ensuring system compliance. Requires a bachelor's degree and 8+ years of experience in Workday, including experience with Workday HCM modules, Greenhouse, integrations, Workday Studio, and process design.

Evaluate customer experiences for luxury brands in fashion, beauty, jewelry, or automobiles. Complete in-store visits or online evaluations, providing feedback on ambiance, service, and overall experience. Must be 18 years or older, a current customer of premium brands, and not under contract with any retail brands.

Leads a team responsible for the reliable operation of database applications used globally. Manages personnel, budget, and resource planning. Implements backup and recovery strategies, data protection, and security concepts. Collaborates with IT departments and external partners on project planning and implementation.

Master's student will join an interdisciplinary team developing cutting-edge technologies for adoptive immunotherapy. Responsibilities include applying cellular and molecular biology, virology, and immunology methods to develop immunogenicity assays for cell and gene therapy products.

A postdoctoral researcher is sought to study statistical learning and predictive processing in the human brain using intracranial EEG recordings from epilepsy patients. The project investigates how the brain learns regularities and uses them to generate predictions, with a focus on hippocampal–cortical predictive processing.

Senior/Medical Director (Ophthalmology) provides expert medical input on study design, safety data review, and regulatory submissions. Serves as a primary authority on medical issues, guiding and answering complex questions related to medical, legal, and regulatory concerns.

Define and maintain product strategy and roadmap for coding & marking equipment. Translate market needs into product requirements and collaborate with engineering and project management teams. Manage product lifecycle, monitor competitors, and support sales with product expertise.

Senior Application Engineer will design and implement customer-specific features for a workcell-automation framework. Responsibilities include setting up robotic systems, developing computer vision algorithms, and traveling to customer sites. Requires a Master's degree in a relevant field, four years of experience, and proficiency in C++.

Leads global go-to-market strategy for the Life Sciences Automation product portfolio. Develops product positioning, messaging, and value propositions. Drives market adoption and commercial growth. Collaborates cross-functionally with Product Management, Sales, Marketing, and Strategy & Innovation.

Leads Engineering Development Team, manages project budget and resources, and coordinates design efforts for battery systems. Responsible for Design Sign Off, Requirements Sign Off, and Safety Sign Off documentation. Develops relationships with suppliers and supports APQP efforts. Manages engineering documentation and provides technical direction to designers, engineers, and suppliers. Requires a Bachelor's degree in a related field with 15+ years of experience, or a Technical Master's degree with 10+ years of experience, or a Ph.D. with 5-15 years of experience. Proven experience in Systems Engineering or Technical Project Leadership, particularly in the automotive industry. Strong understanding of low voltage Lithium-Ion batteries is preferred. Experience with automotive Functional Safety, ISO26262, ASPICE, JIRA, and JAMA is also preferred. Fluency in English and German is required. Willingness to travel up to 25% of the time.

Working Student supports the People & Culture team with administrative tasks, including employment contracts, payroll, office orders, and team events.

Support the administrative and logistical delivery of high-level advisory projects. Manage document production, version control, and secure delivery to clients. Maintain the firm archive and assist with editorial review.

Sales Advisor provides stylish and individual customer service in a premium/luxury leather goods boutique. Responsibilities include product presentation, sales, cash register operation, and store maintenance. Requires at least one year of retail experience, ideally in the premium or luxury segment, fluency in German and English, and a passion for sales and customer satisfaction.

The Antenna Chief Engineer is the technical expert for Active Antenna Systems, leading the product lifecycle from concept to management. This role drives system architecture, including array geometry and beamforming, and aligns multidisciplinary engineering functions.