freelance English-speaking jobs in Wuppertal

Support client and market business development initiatives for Capital Markets & Financial Regulation or Structured Finance. Implement BD strategy, track ROI, and support revenue generation through stakeholder collaboration.

Take technical ownership of Configuration Experience, researching solutions, building PoCs, and shipping code. Requires hands-on experience with Node.js and TypeScript, and prior experience leading people.

Experienced Zero Trust Architect needed to lead design and implementation of security architecture for a DoD organization. Responsibilities include IAM, network security, endpoint protection, and incident response. Requires current Top Secret/SCI clearance.

Postdoctoral Researcher for Longitudinal Surveys to plan and implement CRONOS and the 13th ESS round in Germany. Requires PhD in Social Sciences, quantitative research skills (Stata, R), and excellent German/English.

Area Manager leads a team to ensure site operations run smoothly, meeting customer demand. Responsibilities include promoting safety, improving quality/productivity, and standardizing processes. Requires people management experience and fluency in English and German.

Tech-enthusiastic student needed for AI Innovation Intern role at ZEISS Meditec. You will shape proof-of-principle demonstrators using AI, digital twin, and computer vision skills for next-gen medical devices. Requires relevant studies and coding proficiency.

Drive development and stability of the IBM Planning Analytics (TM1) ecosystem. Design and enhance TM1 cubes, rules, and TI processes to support enterprise planning and reporting. Requires 3+ years in finance systems with TM1 expertise.

Head of Engineering - Delivery sets strategy for Professional Services engineering. Responsibilities include developing engineers, owning skill maps, and selling technical substance in client engagements. Requires deep AI/software architecture knowledge and fluency in German and English.

Own the product strategy and roadmap for Heating & Cooling, defining customer outcomes and KPIs. Translate hardware/field constraints into product requirements to drive thermal optimization within the Energy Management System.

Experienced Project Manager needed for a freelance, utility-scale BESS project in Hamburg. Responsibilities include managing delivery from construction through commissioning, coordinating teams, and overseeing grid connection activities.

Matrix42 is seeking unsolicited applications from individuals passionate about shaping the IT of tomorrow. Ideal candidates approach new challenges with commitment, enjoy international environments, and strive for continuous development.

Key Account/Customer Success Manager to own end-to-end partner outcomes. Responsibilities include onboarding, building scalable workflows, and managing key accounts. Requires B2B experience and strong German/English communication.

Design and build measurement devices for material testing, combining mechanical and electronic components. Calibrate, troubleshoot, and automate measurement sequences while collaborating with material scientists. Requires hands-on experience and strong problem-solving skills.

Fractional CMO for B2B SaaS, 2 days/week, to build demand generation. Own GTM execution across EU/NA, manage a €20k/month budget, and lead product messaging and website redesign. Requires 8+ years of B2B SaaS scaling experience.

Lead and enable a people ecosystem as a Strategic HR Partner, driving the People Strategy for the function. This role involves organizational design, workforce planning, and advising senior leadership.

Head of Engineering will lead and grow a high-performing software engineering organization, reporting to the CTO. This role involves introducing stronger operating structures and embedding AI-assisted development while partnering with various stakeholders.

This 2-year fixed-term role drives SAP S/4HANA transformation activities across implementation, testing, deployment, and stabilization phases. The manager acts as a key counterpart to the external partner.

Develop and improve data-driven models using statistics and machine learning to solve problems in real estate and energy decarbonization. Build data extraction pipelines and collaborate with engineering and product teams.

Build and develop GenAI capability across Communications & Marketing. Translate business needs into GenAI applications, design workflows, and establish knowledge management. Requires marketing/communications background and practical GenAI expertise.

Lead, develop, and optimize the Key Account Management team in Germany to achieve commercial targets and maximize market share. This role requires strong leadership, pharmaceutical sales knowledge, and fluency in German and English.