student English-speaking jobs in Leverkusen

Internal Sales Representative for global automotive customers. Manages full order process, logistics, and forecast execution. Collaborates with cross-functional teams and suppliers. Requires proven sales, customer service, or operations experience in the automotive or electronics industry.

Design, develop, test, and maintain a Java-based online help and technical documentation platform. Work with Eclipse IDE, OOP principles, and web technologies. Develop and maintain responsive web components using Java, JavaScript, HTML5, CSS3, XML, and XSLT. Build, package, and release documentation and application updates using Jenkins CI, GIT, and related tooling. Provide technical support and continuous improvement for the Eclipse-based online help system. Contribute to the Documentation RAG project by supporting the design and implementation of Retrieval‐Augmented Generation pipelines. Take ownership of the integration layer between Java‐based platforms and Python‐based RAG services. Develop and maintain supporting services and scripts in Python. Assist in evaluating AI/LLM solutions.

The Clinical Specialist (m/w/d) VELYS Robotics provides training and clinical support to surgeons and hospital staff on VELYS Robotics platform solutions. This field-based role requires a minimum of 5 years of experience in Joint Reconstruction/Arthroplasty and proficiency in both German and English.

Senior Java Engineer will design and implement a scalable forecasting engine using modern Java and cloud-native frameworks. Responsibilities include feature ownership, AI integration, and building event-driven architectures. Must have deep expertise in Java (21+), Kafka, DynamoDB, and AWS.

Maintains Kubernetes clusters across multiple environments, develops infrastructure-as-code, designs observability solutions, and automates operational tasks. Collaborates with development teams to improve platform reliability. Requires experience with Kubernetes, Linux, infrastructure-as-code tools, and container orchestration technologies.

Investment Associate to join a major international mid-market private equity firm in Frankfurt. The role involves active involvement across the full investment cycle, including evaluation, execution, and monitoring.

Freelance Trainer/Author to deliver Industrial Cybersecurity Foundation (IEC 62443) and Professional (Level 2) training. Prepare and present complex topics, support digital learning formats, and continuously develop technical and didactic skills.

The German Cancer Research Center (DKFZ) seeks an IT Security Specialist to define security standards for two data infrastructure projects. The role will ensure compliance with modern standards and involve risk and asset management, security awareness programs, and guidance for IT projects.

Dispatches vehicles to users based on requests, considering authorization, availability, and purpose of trip. Maintains vehicle utilization records and databases. Assigns drivers to vehicles and checks driver qualifications. Processes traffic tickets and accident reports. Ensures compliance with dispatch schedules and vehicle maintenance. Performs administrative tasks such as preparing reports, correspondence, and maintaining files. Requires a valid driver's license class B and German language proficiency level B2.

Supply-Chain Planning Systems Lead will own and optimize the Forecasting & Replenishment system, configure processes and user views, and manage system improvement requests. Responsibilities include diagnosing system issues, escalating complex problems, and collaborating with Supply Managers. The role requires experience in demand or supply planning, understanding of forecasting, replenishment, and inventory management principles, and proficiency with advanced planning systems.

Develop and implement SAP Cloud solutions, including extensions for SAP S/4HANA and SAP Cloud platforms. Utilize SAP CAP, RAP, UI5, and Fiori to create applications and user interfaces. Design cloud-native services on SAP BTP and integrate with services like HANA Cloud, Destination Service, and XSUAA. Adhere to Clean Core principles and SAP development guidelines.

Store Supervisor at Levi Strauss & Co. supports management in achieving KPIs and implementing profit opportunities. Manages sales targets, monitors performance, and assists with store operations. Ideal candidate is passionate about the brand, has strong customer service and team management skills, and experience driving sales targets and KPIs.

Junior Specialist supports airfreight operations, focusing on export processes.

Develop and manage international key accounts in the data center segment. Co-develop and implement the central segment strategy for data centers. Build and maintain an internal cross-country data center community.

As Team Lead Commercial Operations, you will build and lead a team responsible for the operational management of commercial transactions, including PPAs, power derivatives, and Guarantees of Origin across Encavis' European portfolio. You will develop and implement scalable processes, systems, and governance structures to ensure efficient management of existing and future PPAs.

The Leibniz Institute for Educational Trajectories seeks a Managing Director for the DFG Infrastructure Priority Programme "New Data Spaces for the Social Sciences". The Managing Director will coordinate processes, facilitate collaboration, and organize meetings for the program. The position requires a doctorate in a relevant subject area, strong facilitation and networking skills, experience in science communication, and knowledge of survey methods.

Analyzes Amazon advertising data to provide insights and recommendations to C-suite marketing leaders. Develops data-driven strategies and collaborates with internal teams to improve advertiser performance. Communicates findings and influences marketing initiatives.

Drive the development and optimization of analog modeling and verification methodologies for cutting-edge AMS blocks. Collaborate with analog and digital design teams to ensure seamless integration and comprehensive test generation.

Own quality across Hero's Third Party Manufacturers (TPMs) within the EU portfolio. Approve, monitor, and manage TPMs to Hero standards, conduct audits, manage non-conformances, and investigate customer complaints. Implement quality systems with subcontractors and review/approve validation protocols and supplier quality documentation.

Working Student supports the Offshore Sales team with strategic projects, stakeholder interviews, documentation, presentations, and workshop facilitation. Assists the Sales strategic planning team with demand tracking, portfolio transparency, and process improvement. Requires enrollment in a Bachelor's or Master's program, proficiency in MS Office 365, fluency in English, and a passion for renewable energy.