freelance English-speaking jobs in Wuppertal

Principal Technology Architect needed to transform photonics manufacturing expertise into next-generation equipment concepts for ZEISS. Identify bottlenecks and lead development for photonic integration in semiconductor manufacturing. Requires a graduate degree and 3-5 years of relevant industry experience.

The Global IT License Manager role supports the ALTANA Group's operations. This position is within the Supply Chain working area and is a regular employment opportunity.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain and exceed delivery targets while providing exceptional customer service. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

Electrician/Network Technician needed for high-performance audio, video, IT network, and control system installations. Requires electrical/media engineering apprenticeship or comparable qualification, with IT network installation experience.

Develop Anaplan models for EMEA Finance and Sales, handling customization, maintenance, and support of Anaplan applications and interfaces. Requires professional experience in Anaplan development and knowledge of data structures.

Senior Marketing Automation Engineer builds and runs services, integrations, and internal tools for performance marketing. Requires 5+ years of software engineering experience, strong Python, REST API design, and SQL skills.

Quality Coordinator responsible for maintaining site processes, supporting QMS development, and coordinating internal/external audits. Manages customer complaints and coordinates root cause analyses using 8D. Requires excellent English.

Performs maintenance, inspections, and assembly of ammunition. Operates material handling equipment and assists with explosive destruction. Duties include heavy physical labor, material care, and inventory tasks. Requires English A1 and German B1 proficiency.

Technical Assistant needed for Molecular Plant Immunity research. Tasks include molecular biology, microbiology, plant husbandry, and documenting results. Requires training as a Biological technical assistant.

Senior Planner for hyperscale data centre construction. Manage the full project programme lifecycle using Primavera P6. Requires experience in data centres, pharma, or semiconductor environments.

Build reliable backend features for our B2B squad using C# and AI tools. Work on real, live systems powering our business. Ideal for a student comfortable with C# and AI-native development.

Experienced SAP CAR Consultant needed for a year-long assignment. Must have proven project experience with SAP CAR POS-DTA and SAP CAR-OSTA, including implementation and customizing. Fluent English is required.

Principal Automation Architect defines and governs Siemens PCS 7 architecture, standards, and reference designs. This role provides technical leadership for secure, scalable automation solutions across IT and OT environments.

Lead Solutions Engineer role requires 6+ years of presales/technical sales experience. Partner with sales to drive deals, understand customer challenges, and coach team members. Must be German speaking.

Innovation Engineer to develop game-changing cycling technologies. Responsibilities include designing, building, and testing prototypes, and transferring innovations to product development. Requires a Master's in Electrical Engineering or related field and 2+ years of experience.

Finance and Accounting Manager for an investment platform. This role manages daily accounting, prepares financial statements, oversees AP/AR, and ensures compliance with HGB and IFRS. Requires 5+ years of experience and fluency in German and English.

Project Director or Senior Project Manager needed for a leading data centre consultancy. Oversee complex construction projects from design to completion, ensuring timely, on-budget delivery to high quality standards.

Technical Delegate executes on-site and remote missions to resolve complex vehicle technical incidents and accelerate repair lead times. This role diagnoses electrical/electronic faults using OEM tools and supports service networks.

Senior Security Engineer joins the CISO team to implement and operate security controls. The role involves hands-on engineering combining threat modeling and Infrastructure as Code.

Senior Full-Stack Engineer needed to develop and maintain web applications using Node.js, Vue.js, and/or React. Requires 4-7 years of experience, strong frontend/backend skills, and knowledge of CI/CD and cloud infrastructure.