freelance English-speaking jobs in Wuppertal

Senior Director Business Development for DIID at a global CRO. Responsible for business development strategy, client retention, and coordinating BD staff activities within a sales territory. Requires 7+ years in clinical research/sales.

Drive the integrated execution of ABB Robotics' global transformation portfolio. This role orchestrates strategic initiatives, manages risks, and ensures measurable business outcomes across functions. Requires 10+ years in business transformation.

Lab Assistant needed to support science teachers and students by preparing, maintaining, and managing laboratory equipment and materials. Requires a relevant scientific degree or training and highly proficient English.

Founding AI Engineer building multi-agent systems for construction. Focus on agent harness engineering and project memory. Requires full-stack skills in TypeScript/React and production LLM experience.

Business Development Representative Intern to build Juna AI's sales engine. Drive top-of-funnel activities, including lead generation, outreach, and qualifying leads in industrial manufacturing. Requires 1-3 years of B2B sales experience.

Board-certified Psychiatrist needed for clinical-stage neuroscience company. Provide medical input on depression and TRD programs, including protocol development, safety review, and data interpretation. Requires clinical experience and exposure to clinical development.

Support Merantix AI Campus operations and events. Own member onboarding, event logistics, and workplace maintenance. Requires 1-2 years in a similar role, excellent English communication, and a hands-on, detail-oriented approach.

Lead Scientist role to be the operational scientific leader of R&D, translating strategy into execution. Requires PhD and 8+ years in biotech with expertise in cell-free protein expression and leadership.

Design and implement enterprise-scale agentic AI systems, translating business needs into scalable multi-agent solutions. Leverage LLMs, RAG, and modern frameworks to build production-ready AI applications.

Storage Expert needed to design and optimize high-performance storage solutions for AI and HPC workloads. Requires Master's in CS/related field, experience with HPC storage (Lustre, Ceph), and AI data pipelines.

Legal Counsel provides German law advice on lending, product questions, and regulatory matters. Responsibilities include drafting agreements, advising on Civil Law and Banking Supervisory Law, and leading projects. Requires a 1st/2nd Legal State Examination and relevant banking experience.

Platform Engineer responsible for the operation and development of the hosting platform, including Proxmox/KVM, storage, and networking. Uses Ansible and Git for automation and acts as a technical escalation point.

Lead Engineer Electrical Power Engineering to serve as a technical project manager/system integrator for MV/HV power supply projects. Develop power supply concepts for steel plants and rolling mills. Requires 7+ years in MV/HV substation design.

Solution Engineer brings the NOVA software platform to life in customer applications. Responsibilities include designing, implementing, and supporting robotic applications, acting as a technical sparring partner, and providing enablement through training. Requires experience in automation/robotics and coding.

Senior Marketing Manager Performance & Growth owns end-to-end UA for web/mobile, managing budgets against ROAS/LTV. Responsibilities include scaling, finding new audiences, and building tracking processes. Requires 5+ years in performance marketing, strong data skills, and fluent English/good German.

Lead AI Engineer to design, build, and ship generative AI and agentic solutions for clients. Contribute across the full development lifecycle, from prototyping to production deployment. Requires 3-5+ years in AI/ML engineering with German C1 proficiency.

Postdoc position in Endosymbiosis Research. Contribute to projects investigating bacterial endosymbiont evolution using omics and molecular biology. Requires PhD in biology/biochemistry and experience in microbiology or cell biology.

Support students with Bachelor's or Master's theses by helping with planning, research, academic writing, and organization. Experience with university assignments is required. No prior coaching experience is necessary.

Database Systems Evaluation Expert role requires 5+ years of database internals experience or a PhD. Responsibilities include designing engineering tasks, building correctness checks, and evaluating performance measures.

Manage canteen operations, coordinate external service providers, perform office cleaning, and maintain company apartments. Requires organizational skills and a service-oriented approach.