freelance English-speaking jobs in Wuppertal

Postdoctoral position in cardiometabolic imaging at the Center for CARDiovascular Research in DIABetes (CARDDIAB). Focus on developing standardized processes for hyperpolarized 13C MRI, including data analysis software and conducting studies in animal models and potentially humans. Requires a PhD in a relevant field, experience with HP13C MRI, and programming skills in Matlab/Python.

Leads the Independent Aftermarket portfolio for the full Clarios product line, driving product strategy, lifecycle management, and market success across EMEA. Manages a team of five product specialists and analysts, ensuring alignment with customer needs, market trends, and business objectives. Collaborates cross-functionally with Sales, Supply Chain, Engineering, Finance, and Marketing to support launches and lifecycle activities. Reports strategy, results, and plans to C-level management.

Support the Chief of Staff and Executive Office in daily operations, optimizing HR processes, and ensuring project execution.

Provide first-level after-sales support to Finnish-speaking customers via phone, email, and chat. Process orders, create quotations, manage customer accounts, and coordinate returns, exchanges, credit notes, and repairs.

Professional Services Consultant will design, architect, and implement customer workspaces, manage projects, and provide guidance on workspace architecture and security. Requires fluency in English and German, 3+ years of experience in technical consulting, and strong project management and communication skills.

Leads and develops a sales team within a dedicated segment, acting as the Business Owner for its commercial performance. Develops and implements segment strategy, drives sales steering, and manages key accounts. Requires leadership experience, sales strategy expertise, and a strong understanding of market dynamics.

Interim Tax Director to lead and manage a tax team, providing guidance and direction on compliance and advisory matters. Requires 15+ years of tax experience, including 10 years in Big 4 or equivalent, with expertise in corporate tax, transfer pricing, M&A, and complex audits.

This Master's thesis investigates how to enrich Object-Centric Process Mining (OCPM) in Celonis with semantic information to improve explainability and scenario awareness in automotive production planning. The goal is to design, prototype, and evaluate a concept that links object-centric event data with version- and scenario-semantics, enabling better understanding of planning rationale.

Consultants and Senior Consultants support (re)insurance companies with digital transformation, process optimization, and system implementation. They analyze business models, design solutions, and collaborate with clients and project teams.

Drive growth for Intelligence Center X, a low-code and process automation platform, by identifying and qualifying leads, developing opportunities, and engaging with C-level stakeholders. Showcase the platform's value in enabling data-driven decision-making and automated workflows. Lead the entire sales cycle, from uncovering opportunities to closing deals.

This part-time position is responsible for loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs., read and memorize postal codes, and work flexible hours. Warehouse experience is preferred.

Internship (6 months) transitioning to a Master's thesis (max. 6 months) focusing on the development and characterization of novel electrochemical enzyme biosensors for medical devices.

Provides strategic health and safety advice to leadership, develops and implements site-wide safety strategies, and ensures legal compliance with occupational health and safety requirements.

This master thesis focuses on improving the accuracy of dynamic models for reversible Solid Oxide Cell (rSOC) systems using data-driven modeling and parameter estimation techniques. The objective is to enhance model-based control methods by bridging the gap between nominal models and actual system behavior.

GenAM seeks a technically strong OCIO & ALM professional to support the build-out of its OCIO and corporate pension business in Germany and Austria. Responsibilities include OCIO & fiduciary mandate management, ALM advisory & modeling, regulatory & structural expertise, and corporate pension platform development.

Experienced Payroll Specialist needed for a one-year temporary contract. Responsible for end-to-end payroll processing for multiple entities, data management, and compliance with local laws and SOX regulations. Requires 3+ years of experience in a multinational business environment with a focus on payroll for multiple entities.

Leads affiliate-wide Customer Excellence agenda, shaping commercial performance, customer experience, and operational effectiveness. Partners with General Manager and Affiliate Management Team to drive business planning, performance management, and transformation across Commercial, Medical, Market Access, and Business Technology Services. Focuses on commercial performance, data-driven insights, digital enablement, and building a high-performing Customer Excellence team.

Warehouse employee needed for full-time or part-time shifts. Duties include unloading, sorting, and transporting packages. Must be able to lift up to 15kg and stand/walk for extended periods. Must be 18 years or older and proficient in German and/or English/Polish.

The European Mid-Market team is seeking a Manager/Associate Director to originate, analyze, and execute investments in the German market. The role involves deal sourcing, financial modeling, due diligence, and portfolio management. The ideal candidate will have 8+ years of relevant experience in private equity or asset management with a focus on mezzanine and equity deals. Fluency in German and English is required.

Senior Network Engineer to supervise and provide technical expertise, training, and mentoring to Network Engineering and Administrator teams. Responsible for maintaining, analyzing, troubleshooting, repairing, and supporting switching and routing devices, firewalls, load balancers, and other network equipment. Must have an adjudicated Top Secret/SCI clearance and meet specific experience and certification requirements.