freelance English-speaking jobs in Wuppertal

Design and optimize electron-optical columns for next-generation SEM and FIB systems. Model fields, trace trajectories, and analyze aberrations. Requires Master's/PhD in physics or engineering with charged-particle optics foundation.

Operational Warranty Manager ensures successful execution of warranty activities for railway vehicles. This role coordinates operations, manages claims, monitors KPIs, and maintains strong stakeholder relationships. Requires technical degree and experience in warranty management.

System Engineer role involving specification, architecture, and design of hardware systems. Requires engineering studies, MBSE knowledge, and experience in Requirements Engineering. Fluent German and English are necessary.

SAP Material Master & MDG Consultant needed to drive global data standardization and governance. Requires 7+ years in SAP Material Master/MM and 3+ years with SAP MDG-M. Must configure solutions and support ERP transformations. Fluent in German and English.

Lead financial performance across DE/AT/NL as a strategic partner. Drive profitability, manage OPEX/CAPEX, and oversee regional accounting and compliance. Requires 10+ years of finance leadership and fluency in German and English.

Doctoral position investigating SCFA regulation and metabolic fate in the liver using mouse models and cell culture. Requires a Master's in related sciences and experience with stable isotope tracing and metabolic flux analysis.

Experienced Employment Law Senior Associate/Non-Equity Partner needed to advise domestic and international clients on complex individual and collective employment law matters. Responsibilities include litigation, strategy development, and cross-border arrangements.

Lead planning and execution of Corporate Access events across Europe, including roadshows and meetings. Requires fluency in German and English, strong project management, and understanding of the Corporate Access market.

Lead the Finance & Tax Department for GASCADE, managing a team of 25. Responsibilities include driving financial landscape development, ensuring compliance with IFRS and HGB, and advancing SAP S/4HANA.

Working Student in Actuarial Systems & Data. Automate analysis using Excel/VBA and Python. Support reporting by migrating SAS to SQL and building Power BI dashboards. Requires programming experience and analytical skills.

Director Marketing leads B2B marketing activities, translating Go-to-Market priorities into integrated, AI-enabled plans. Responsibilities include driving demand generation, managing budgets, and leading team transformation.

Senior Flutter Engineer to build and ship high-impact features for the AY App using Dart and Flutter. Requires 4+ years of mobile development and at least one year of Flutter experience, with expertise in UI and frontend logic.

Chief, HR Services provides strategic leadership for integrated, client-focused HR services globally. This role oversees HR business partnering, people analytics, career transition, and special people programs.

Product Analyst for the mobile app, creating data analyses to impact product decisions. Requires 2-3 years of experience in Product Analytics, understanding of mobile app analytics (preferably Adobe Analytics), and SQL or Python skills.

Tech Lead for Robot Safety and Security owns architecture and implementation of motion monitoring for industrial robots. Responsibilities include defining safety claims, leading technical reviews, and managing formal methods strategy. Requires C/C++ expertise and safety engineering knowledge.

Sales Manager for the BeNeLux governmental market, focusing on expanding Quantum Systems' footprint in defense and security agencies. Responsibilities include strategic relationship building, B2G network management, and driving sales in autonomous systems.

Sales Stylist in part-time role at LS&Co. Stylists create the in-store experience by providing 1:1 service, sharing styling advice, and supporting store operations. Requires a passion for fashion and strong communication skills.

PhD candidate to investigate demand elasticities for organic food and information interventions on biodiversity-friendly choices. Requires Master's in related field, econometrics background, and R or Stata skills.

Lead the Satellite Operations team for the RISS constellation, ensuring safe, reliable 24/7 operations. Oversee mission readiness, anomaly response, and continuous process improvement across cross-functional teams.

Drive new business revenue across Germany as an Enterprise Account Executive for Qualified. Own the full sales cycle with Enterprise-sized organizations, leveraging B2B SaaS experience.