freelance English-speaking jobs in Bielefeld

Drive growth in a defined territory by acquiring new customers and growing existing ones. This role requires a proven hunter with 3+ years of experience in a similar sales or hunting role within the electronics industry.

Materials & Planning Specialist ensures seamless material flow by reviewing production schedules, generating replenishment schedules, and tracking supplier deliveries. Requires ERP proficiency and fluency in German and English.

Working Student in People & Culture supports preboarding, onboarding, and data management in HRIS. Responsibilities include optimizing processes, documenting knowledge, and supporting learning and development. Requires German and English fluency.

Working Student role at an early-stage VC firm focused on applied AI in energy and industry. Support deal flow, conduct research, and assist with due diligence. Ideal for students interested in startups and the green transition.

Experienced IT Security Consultant to run threat modeling workshops, advise on Secure-by-Design, analyze cloud and software architectures, and improve security processes.

Lead, coach, and develop a high-performing outbound BDR team to drive pipeline generation for the DACH sales team. Requires 4+ years managing SaaS BDR/SDR teams and fluency in German.

Senior Data Scientist for Logistics to optimize last-mile delivery operations. Requires 5+ years applying ML to real-world data, fluency in Python, and experience with regression/classification models.

Seeking a tenured Chair of Medical Data Science. Focus on developing statistical methods for complex biomedical data analysis with translational orientation. Duties include research, teaching courses like epidemiology, and contributing to the Institute of Health Sciences.

Internship in Software Testing for Bosch eBike Systems. Responsibilities include developing and executing manual software tests for eBike control and setting up component-level tests. Requires studies in relevant engineering fields.

Capacity Planning Manager owns air freight network strategy for global cloud infrastructure hardware. Responsibilities include demand forecasting, securing freighter/charter capacity, and optimizing load factors across key lanes. Requires 5+ years in air freight planning.

Head of Complaints & Issue Management leads a Quality Operations team, ensuring regulatory compliance for an international pharmaceutical portfolio. Responsibilities include managing complaints, recalls, and overseeing quality across the product lifecycle.

This role supports and enhances medical infrastructure operations for the U.S. Army across Europe, Africa, and the Middle East. Responsibilities include facility readiness, strategic integration, and ensuring compliance with technical standards.

Oversee maintenance of the Sky Line people mover system infrastructure at Frankfurt Airport. Responsibilities include managing planned/unplanned maintenance, spare parts, and leading a team of 15. Requires technical background and leadership experience.

Senior Service Designer focuses on journey management for JobRad® 2.0. You will create journey maps and service blueprints, lead the Customer Journey Guild, and define end-to-end journey metrics. Requires 5+ years in service/UX design.

Function Owner role at ZEISS. This position involves contributing to innovation and achieving outstanding results within a modern, development-focused environment.

Support the student journey at 42 Wolfsburg, managing the application process and curriculum. Responsibilities include addressing student issues, collaborating with the tech team, and supporting pedagogy development. Must have a right to work in Germany and fluency in English.

Senior Full-Stack Engineer develops and maintains complex web applications using PHP, Vue.js, and Node.js. Responsibilities include performance optimization, microservices design, and system monitoring. Expertise in Vue.js/TypeScript or modern PHP is required.

Finance Internship opportunities are available across European locations for 3 to 6 months. Gain experience with impactful business projects, industry analysis, and financial assessment in a corporate environment.

Principal Customer Success & Operations role requires 7+ years in B2B SaaS/consulting. Own client onboarding, retention, and expansion, building AI-first automated systems. Must be fluent in German and proficient in English.

Installs, maintains, and supports enterprise access control systems. Experience with Lenel, Honeywell, CCURE, and Vanderbilt platforms required. Troubleshooting, system upgrades, and on-site/remote support are key responsibilities.