freelance English-speaking jobs in Bielefeld

Identify potential B2B SaaS accounts internationally, initiate multi-channel outreach, and build a continuous lead pipeline. Optimize sales tech and create sales collateral to drive efficiency. Fluent English is required.

Principal Biostatistician leading Biostatistics and Programming for complex Phase II/III clinical trials in Immunology. Requires M.S. or Ph.D. and proven experience in a CRO or Pharmaceutical environment.

The Head of Audit will lead the Internal Audit function as the bank's third line of defense, shaping and delivering a risk-focused audit plan. This role involves presenting audit insights to the Audit Committee, Executive Management, and senior governance forums, ensuring material and emerging risks are identified and escalated appropriately.

Project Manager needed for an IT development studio serving the DACH region. Lead presales, manage the full project lifecycle, and act as the primary German-speaking client contact. Requires IT project management experience.

Field Service Technician role involving maintenance, installation, and repair of industrial, mechanical, and electrical systems at client sites across Germany. Requires vocational training in electrical or related fields, a Class B license, and German language skills.

German First-Language Copy Editor needed for Health Science publishing. Responsibilities include copyediting and proofreading German medical and scientific manuscripts for accuracy and clarity. Requires 2-3 years of experience in Health Science Publishing.

Financial Modelling, Data & Decision Support | IRS Gruppe | Holding | Hamburg | Immediate start preferred For IRS Group, a fast-growing, internationally operating platform organisation backed by private equity, we are looking for an experienced Senior Expert Group Controlling & Performance Management (m/f/d) to join us at the earliest opportunity.

Act as the central contact for Airbus Proprietary Parts Repair, Lease, and Exchange Services, managing orders and ensuring supplier compliance. Analyze customer issues and lead process optimization projects. Requires a relevant degree and experience in supply chain or aviation.

Support the Applications 2 Office by assisting the Executive Management Team. Tasks include managing strategic topics, building Power Automate workflows, and coordinating global communications. Requires a Master's student background and strong organizational skills.

At Clarios, we are producing the world's best batteries, essential for the evolving future of transportation. Our advanced, low-voltage batteries and smart solutions power nearly every type of vehicle and are found in 1 of 3 cars on the road today. Ready to shape cutting-edge manufacturing processes and make an impact across the whole EMEA region and beyond?

Field Coach Trainer will lead a culture of retail excellence, coaching Client Advisors on product knowledge, selling skills, and client development. Responsibilities include monitoring client interactions, identifying performance opportunities, creating coaching plans, and delivering training sessions.

Communications Specialist (Part-Time 60%) to shape internal and external communications for a global brand. Responsibilities include content creation, engagement tracking, and supporting leadership and external campaigns. Requires a degree/apprenticeship and 2-4 years of relevant experience.

Develop and maintain software infrastructure for ANCAP Cloud, integrating AI, cloud, and Web3 technologies. Design scalable backend services, APIs, and distributed systems while ensuring security and performance.

Our international team of over 40 people combines a supportive, open culture with true startup drive. After our successful Series A, we're on a strong growth trajectory and continue to expand—impacting the future of energy together every day.

At Aroundtown, we are building a first-mover platform for large-scale space conversions. Our Conversion Unit combines strategic portfolio steering with hands-on execution, unlocking value through repositioning, energy transformation and innovative use cases across one of Europe's largest real estate portfolios.

Senior Production Manager leads 100+ employees in a large-scale manufacturing operation. Responsibilities include full P&L accountability, driving operational excellence, and leading continuous improvement initiatives. Requires strong leadership and experience with German Works Councils.

Lead software development teams within the Agile Release Train (ART) Underwriting, focusing on underwriting applications. Drive the adoption and improvement of AI-supported development practices. Develop AI literacy and engineering excellence within teams.

Electronics Technician specializing in SMD soldering. Responsibilities include repairing and maintaining electronic assemblies, troubleshooting, and diagnosing faults. Requires 3+ years of experience, strong soldering skills, and B1 German/English proficiency.

Support the strategy team by analyzing marketplace performance and identifying growth opportunities. This role involves monitoring inventory, reviewing pricing, and analyzing sales data. Requires a recent graduate fluent in Spanish and English.

Senior Power System Studies Expert needed for complex transmission network challenges. Focus on renewable energy integration, stability, and security using PowerFactory, PSS/E, and PSCAD. Requires 10+ years of experience.