freelance English-speaking jobs in Bielefeld

Gig's pizzeria in Berlin seeks a reliable individual for a minijob, 2 days a week. Responsibilities include stretching, topping, and baking pizzas, preparing ingredients, and maintaining a clean workstation. Basic pizza experience is required, along with flexibility, reliability, and a team-oriented attitude.

Guest Environment Experts maintain the appearance and cleanliness of the entire hotel, ensuring a great guest experience. Responsibilities include delivering guest requests, stocking carts, cleaning rooms and public spaces, and upholding quality standards.

Provide customer service support to clients in the travel industry. Assist with travel planning, reservations, and inquiries.

Civil Engineer needed for a major railway infrastructure project in Germany. Manage planners, inspectors, and contractors during the approval process. Ensure quality, schedule, and cost certainty for service phases 5 to 9.

Provide remote client support for travel inquiries via email, phone, and messaging. Assist with itinerary changes, cancellations, and travel-related questions.

Senior Process Engineer to optimize and develop industrial bioprocess and fermentation systems. Experience in industrial biotechnology, process engineering, and bioprocess equipment required.

About CF Assurance (CF A) Our mission at Controlling and Finance Assurance (CF A) is to provide objective, factual and independent foresight to help Siemens be excellent and to improve the overall success of the company. As a business partner to Siemens management, we leverage our expertise in a wide range of topics in order to create an impact.

Develop and deploy generative and agentic AI solutions, including text generation, semantic similarity, and classification, within a SaaS platform. Integrate LLMs, optimize performance, and collaborate with engineers and sustainability experts.

Senior/Medical Director (Ophthalmology) provides expert medical input on study design, safety data review, and regulatory submissions. Serves as a primary authority on medical issues, guiding and answering complex questions related to medical, legal, and regulatory concerns.

As a Warehouse Assistant, you will actively load transport vehicles, remove parcels from the conveyor belt, scan shipments, and prepare goods for drivers.

Manager to lead a team of professional coordinators and advisors, ensuring OlamAid's interventions are evidence-based and ethically sound.

Clinical Research Associate 2 or Senior Clinical Research Associate 1 (m/w/d) for a single sponsor. Responsibilities include site selection, monitoring, and close-out visits, supporting recruitment plans, and ensuring quality and integrity of site practices. Requires a life science degree or equivalent, 2-4 years of monitoring experience, knowledge of GCP and ICH guidelines, strong communication skills, fluency in German and English, and the ability to travel up to 60%.

Rudyb Travel seeks a remote Travel Customer Service Representative to assist clients with luxury and leisure travel bookings. This role involves managing inquiries, confirming itineraries, and providing travel information.

Leads Engineering Development Team, manages project budget and resources, and coordinates design efforts for battery systems. Responsible for Design Sign Off, Requirements Sign Off, and Safety Sign Off documentation. Develops relationships with suppliers and supports APQP efforts. Manages engineering documentation and provides technical direction to designers, engineers, and suppliers. Requires a Bachelor's degree in a related field with 15+ years of experience, or a Technical Master's degree with 10+ years of experience, or a Ph.D. with 5-15 years of experience. Proven experience in Systems Engineering or Technical Project Leadership, particularly in the automotive industry. Strong understanding of low voltage Lithium-Ion batteries is preferred. Experience with automotive Functional Safety, ISO26262, ASPICE, JIRA, and JAMA is also preferred. Fluency in English and German is required. Willingness to travel up to 25% of the time.

Uniiqo Studio seeks a creative Content Creator to develop and execute Instagram content strategy. Responsibilities include creating video content, conceptualizing campaigns, and managing content production. Must have experience growing Instagram accounts in design, fashion, or lifestyle and a strong understanding of premium visual language.

Lead the technical delivery of complex data center projects, ensuring design excellence, standardization, and innovation. Manage consultant teams, budgets, and technical governance, acting as the primary technical partner across project lifecycles.

Product Engineer to design, implement, and maintain backend services, APIs, and user-facing features for a collaborative scheduling platform. Collaborate with product managers, designers, and engineers in a cross-functional process. Contribute to the overall architecture of the system and participate in code reviews.

The European Institute of Policy Research and Human Rights seeks a Junior Research Fellow to develop research skills and contribute to policy-oriented publications.

Supports Legal Counsel in maintaining and improving internal regulations and processes. Organizes documents, participates in team meetings, updates intranet content, and develops training materials. Requires a degree in law, business administration, or a related field, proficiency in Microsoft Office, and fluency in German and English.

Senior Dermatologist to supervise a 13-15 bed dermatology ward, conduct rounds on two wards and the paediatric ward, and ensure detailed case documentation.