freelance English-speaking jobs in Bielefeld

Experienced DevOps Engineer needed to design and maintain CI/CD pipelines and on-premises infrastructure. Responsibilities include IaC implementation, automation, monitoring, and ensuring security compliance. Requires 7+ years in DevOps.

BBIS seeks experienced, reliable Substitute Teachers for on-call assignments in an inquiry-based IB Primary School. Support learning for ages 3-11, deliver lesson plans, and ensure student safety. Requires proven educational experience and C2 English fluency.

Bartender needed to create a welcoming atmosphere, preparing and serving cocktails and drinks with consistency. Requires basic knowledge of wine, spirits, and previous bartending experience in a busy setting. Fluent English and good German knowledge are preferred.

Experienced HSE Leader needed to drive Health, Safety, and Environmental performance across German sites and Poland. Requires NEBOSH/equivalent, ISO knowledge, and fluency in German and English.

Expert Hardware Engineer develops control electronics and system architectures for new hardware solutions. Requires 4+ years in embedded hardware/control electronics, knowledge of EMI/EMC, and automotive standards.

Director Legal at KXL serves as the central legal point of contact, driving compliant digital processes across technology and law. Responsibilities include regulatory compliance, contract management, data protection oversight, and advising senior leadership.

Lead end-to-end Organic Social and Influencer strategy for Germany. Act as Social Media Editor-in-Chief, owning editorial direction and the creator ecosystem. Requires strong cultural awareness and bilingual skills in German and English.

Research Scientist to drive AI-driven transformation of optical system development. Develop AI workflows combining modeling, simulation, and machine learning for efficient design processes. Requires a PhD and background in optics, ML, or scientific computing.

Aircraft Mechanic General performs maintenance and inspection on Rotary Wing systems to FAA standards. Requires A&P or FCC License and significant applicable aircraft maintenance experience.

Crew Operations Assistant needed to manage crew changes, handle travel documents, and maintain personnel databases for a modern fleet. Requires vocational training as a shipping or office clerk with good English and MS Office skills.

Postdoctoral Researcher in Computational Immunology develops novel statistical methods and leads data-analytical projects. Requires a PhD in bioinformatics/computational biology, expertise in statistical modeling, and advanced programming skills.

Lead Continuous Improvement transformation across EMEA (Germany & France) to build operational excellence. Define and deploy CI strategy, embedding Lean, TPM, and Six Sigma across manufacturing and supply chain.

Lead the design, development, and delivery of advanced HVDC and FACTS solutions for renewable energy integration. This role involves leading technical teams on complex transmission projects, from specification to operation.

Information Security Manager to own and enhance the ISMS, ensuring ISO 27001 alignment. Drive security governance, risk management, and compliance across the organization. Requires 3+ years in info security and ISO 27001 experience.

Lead technical strategy for developer-facing AI agents, balancing prototyping and production delivery. Design scalable agentic infrastructure across full stack, from IDE internals to microservices. Requires 8 years in software development and 7 years in full stack roles.

Seeking a Managing Director & Managing Counsel to lead Asia-Pacific Legal for State Street Investment Management. This role provides strategic legal advice on distribution, client engagements, and regulatory matters across the region.

Research Associate in Theoretical Chemistry/Computational Materials Modelling for a DFG-funded project on ammonia synthesis. Focus includes quantum-chemical calculations, structure analysis, and mechanistic studies using DFT and molecular dynamics.

Sales & Alliance Manager for Western Europe South will develop and manage regional distributor partnerships, lead commercial planning and execution, and drive market intelligence and strategic decision-making.

Develop and improve KWS Digital Farming Solutions, managing portfolios like Variable Rate Seeding. Establish partnerships, train sales teams, and drive AgriTech collaborations. Requires agronomy or digital farming background.

Senior QA/QC Engineer specializing in Electrical systems for high-tech facilities. The role supports controlled and regulated manufacturing environments across sectors like semiconductors and pharmaceuticals.