freelance English-speaking jobs in Wuppertal

Experienced Site Manager / Bauleiter needed for an international construction company. Manage quality, safety, timelines, and budgets on residential, commercial, and industrial projects. Must have 3+ years experience as a site manager or 5+ years as a foreman, strong knowledge of VOB regulations, and fluency in German (C1+). Nationwide travel required.

Experienced HRBP to partner with overseas sales & service teams in Germany, South America, and Europe. Drive localization recruitment, implement regional HR policies, and manage employee relations.

Lead daily operations of a diagnostics company's Leipzig site, overseeing production, logistics, and implementing lean manufacturing principles. Drive digital transformation initiatives and improve key performance indicators.

System Consultant specializing in smart logistics solutions. Leads client blueprint sessions, translates business requirements into development requests, and ensures seamless system integration. Requires understanding of WMS/WES, warehouse automation, and logistics processes. Fluent English required.

PhD student will design, clone, and screen large libraries of biosensor variants in human cells to build high-performance sensors for intracellular amino acids. The project will generate a deep sequence-function dataset for a biosensor and characterize performance across multiple human cell models.

Senior Operational Lead will ensure operational excellence across all touchpoints of live sports data production. Responsibilities include driving operational syncs, KPI reviews, and action tracking, overseeing scout onboarding and training, and managing new rights-deal workflows.

Design, implement, and operate a modern reporting platform based on SAP BW/4HANA and SAP Analytics Cloud (SAC). Integrate data from SAP S/4HANA and other systems, establish data governance processes, and collaborate with stakeholders to understand reporting needs.

Finance Manager will oversee and improve financial management, working closely with leadership, shareholders, and external advisors. Responsibilities include financial planning, business controlling, cash flow management, financial reporting, and strategic project support.

Provide first-level customer support via phone, email, and chat for Finnish-speaking customers. Process orders, create quotations, manage customer accounts, and handle returns, exchanges, and repairs.

Development & Calibration Engineer needed for powertrain system thermo-fluids modeling and performance analysis. Responsibilities include powertrain calibration at test bench and race track, concept evaluation, and model creation. Requires a Master's or Ph.D. in a relevant engineering subject, minimum 5 years experience in high-performance or motorsport powertrains, and proficiency in programming/scripting languages.

Working Student to support the Legal Compliance European team with compliance projects, investigations, routine checks, and policy adaptation. Must have a degree in Law, Compliance, or related fields, strong communication skills, and proficiency in English and German.

Manages B2B and B2C import declaration customs issues for shipments to the EU and UK. Provides local customs regulations and materials, communicates with European customs authorities and brokers, and summarizes European customs operations. Requires 3+ years of experience in European cross-border and general trade customs operations.

Assists with the design and analysis of clinical trials, interpreting medical data, and contributing to the advancement of treatments. Responsibilities include coordinating and administering trials, maintaining documentation, and supporting study-related materials. Requires a bachelor's degree in a scientific or healthcare field and prior clinical research experience.

Expert Corporate Accounting and Reporting professional sought for Home Comfort Finance team. Focus on IAS 12/IFRS, ensuring high-quality, compliant, and timely group reporting. Requires several years of relevant experience in IFRS accounting, strong knowledge of IFRS standards, and experience with consolidation tools.

Senior Clinical Research Associate will oversee and deliver clinical trials in Germany. Responsibilities include managing site activities, ensuring compliance with study protocols and regulations, and building relationships with site staff. Requires a Bachelor's degree in a Life Science field, 3+ years of independent monitoring experience, and knowledge of ICH-GCP and European regulations.

This international renewable energy developer seeks Co-Development Managers, PV Project Developers, and Land Acquisition Managers to support utility-scale solar PV and battery storage projects in Germany.

HR Manager to support business growth in Germany. Fluent in Mandarin and English, with German preferred. 3-5 years HR experience in Germany required. Strong knowledge of EU/UK labor laws and immigration legislation. Bachelor's degree in HR or related field.

Leads and executes national and international real estate transactions across EMEA, including acquisitions, disposals, lease negotiations, and property valuations. Manages and coordinates cross-regional real estate projects, focusing on headquarters requirements. Conducts financial analyses, property valuations, and prepares decision papers for senior management. Ensures high-quality real estate data management and maintains accurate reporting and portfolio documentation.

Accountant / Finance Executive Assistant will provide support to financial executives. Responsibilities include receivables management, travel expense processing, and assistance with financial planning. Requires experience in customer receivables, travel expense management, and financial planning.

Process Engineer to design new Delivery Stations and optimize existing ones, integrating automation and new technologies. Drive standardization and best practice sharing across EU Delivery Stations. Lead projects to improve processes and station designs. Requires experience in reliability/maintenance environments, electrical or mechanical engineering, and project management tools.