freelance English-speaking jobs in Wuppertal

Define, develop, and document aircraft interior lighting system architectures. Design and integrate lighting systems using 3D CAD and simulation tools. Lead technical coordination with suppliers to ensure compliance and robustness.

Define and refine the global ER Operating model to mitigate employment risk and protect the employee experience. Lead complex, high-risk investigations and build ER capability across the firm.

The School of Life and Health Sciences seeks qualified Lecturers for its Frankfurt Campus in Musculoskeletal conditions and Neurorehabilitation. Candidates require a Doctorate, teaching/research competence, and fluency in English.

Develop and maintain a group-wide AI Risk & Security Management System. Evaluate AI implementations, advise senior management on security, and ensure safeguards are built in by design. Requires strong AI understanding and professional experience in Cybersecurity or Application Development.

Senior Tax Manager Corporate Income Tax ensures compliance and optimizes German income tax for Allianz companies. Responsibilities include managing tax audits, advising on tax developments, and optimizing processes. Requires a relevant degree, certified tax advisor status, and fluency in German and English.

Compliance Manager responsible for monitoring EU regulatory developments, performing risk assessments, and testing compliance controls. Manages German, Dutch, and EU regulatory topics while advising senior management.

Senior UX Researcher needed to drive strategic decisions by designing and executing complex qualitative and quantitative research. Requires 5+ years of experience, strong research skills, and fluency in German and English.

Define, develop, and release bipolar transistor products. Lead development and optimization projects, conduct competitive benchmarking, and mentor engineers. Requires a Master's or PhD in relevant fields and 3+ years of experience.

Lead a multidisciplinary team to deliver a strategic, large-scale data center project. Responsibilities include managing scope, budget, risk, and stakeholder relations from initiation to handover. Requires a degree in a relevant engineering discipline and extensive project leadership experience.

Summer Analyst Program in Commercial Banking focuses on client growth using Citi's banking products. Responsibilities include financial analysis, supporting lending processes, and client engagement. Candidates should graduate in 2028 and be fluent in German and English.

Manager, Media for Germany & Poland. Develop and execute multi-channel media strategies to drive brand awareness and sales. Manage media buying, optimize ROI, and collaborate with internal teams. Requires 5+ years of experience.

Senior Analyst role requires 3-6+ years of hands-on airline or airport industry experience. You will act as a thought partner, grounding recommendations in real industry operations and building practical tools.

Senior Material Planning Manager to optimize material planning, inventory, and lifecycle management across the network. Key duties include developing MRP strategies, managing multi-site planning, and supporting end-to-end supply chain processes. Requires 5-7 years of relevant experience.

Develop and improve anti-icing systems for wind turbine blades. Analyze operational data, investigate field damages, and lead technical projects across the product lifecycle. Requires an engineering degree and experience with anti-icing technologies.

Manage high-potential resellers and non-traditional partners for a global IT accessories company. Develop expansion plans, conduct negotiations, and collaborate across internal teams. Requires 5+ years of B2B channel sales experience and fluency in German and English.

Senior Manager Commercial Practice supports portfolio companies by optimizing commercial and go-to-market functions. Responsibilities include shaping sales strategies, defining commercial models, and strengthening key account management. Requires 8+ years of relevant commercial experience.

Advanced Project Engineer for Orthopedics. Develop medical devices from concept to clinical assessment. Responsibilities include component development, clinical validation, and technical documentation. Requires engineering education and fluency in English and German.

Senior Associate Health & Safety Manager supports major data center developments in Berlin. This site-based role acts as the local EHS lead across construction phases, ensuring compliance with NTT standards, local legislation, and ISO 45001.

Senior Sales Manager to drive Tieto's Financial Services business in Central Europe. Lead strategic sales, build client relationships, and expand footprint in the financial sector. Requires 10+ years of IT services sales experience.

Lead customer-facing engagements as a Pre-Sales/Solution Consultant for Core & Transaction Banking. Translate business needs into solution designs, drive RFIs/RFPs, and deliver demos to win new business. Requires 7+ years in banking technology.