freelance English-speaking jobs in Bielefeld

The University of St. Gallen seeks a Senior Lecturer in Programming and Algorithms to teach fundamental courses in its Bachelor's degree program in Computer Science. The successful candidate will combine teaching with compatible research interests and contribute to the development of new courses.

Software Engineer will design, develop, and implement software solutions, troubleshoot existing systems, and participate in code reviews. Must have 3+ years of experience in software development, expertise in backend programming languages (preferably Python), and experience with database systems and cloud platforms.

Flowserve seeks a Specialty Chemical market Subject Matter Expert (SME) to expand bookings and revenue. The SME will collaborate with cross-functional teams to define application guidelines, develop products, and train teams on Specialty Chemical market knowledge. Requires 10+ years' experience in commercial operations, sales operations, or related roles and the ability to travel over 50%.

As a Sales Analyst (18-month fixed term), you will collaborate with Key Account Managers to drive impactful strategies through customer analysis, KPI reporting, and actionable insights. You will develop customer scorecards, prepare customer-specific materials, and optimize distribution and promotions.

AI Technical Product Manager will define requirements, evaluate readiness, and manage implementation of AI products. Responsibilities include collaborating with teams to gather requirements, evaluating third-party solutions, defining metrics, overseeing implementation, and communicating progress. Requires a Bachelor's or Master's degree in a relevant field, 3+ years of product management experience in AI, and strong understanding of AI technologies. Native English speaker required.

Leads and manages the development and delivery of Open Finance Data products and solutions across Europe. Sets direction, coordinates teams, and oversees feature development, analytics, design, and market positioning. Collaborates with product teams to deliver value-added services. Develops strategic plans, product positioning, and messaging for Mastercard Open Finance products.

The Lead Project Controller will oversee financial, budget, and cost planning activities for the PRD Office, PMO Unit, and NPS Division. This role requires experience in project planning and control, resource allocation, and financial systems. The successful candidate will collaborate with technical teams, prepare budget reports, and monitor project implementation.

The Head of HSE will lead health, safety, and environmental activities for high-voltage grid and transmission projects in Germany. This role develops and implements HSE strategy, ensures compliance with German and EU regulations, and promotes a strong safety culture. The successful candidate will have extensive experience in high-risk energy infrastructure environments, particularly HV substations and transmission systems.

Contract Administrator ensures operational efficiency, compliance, and value maximization of third-party data/content contracts. Manages contract administration, coordinates with data and content teams, and acts as a liaison for data providers.

Develop and establish a machine learning-based multiphysics framework using surrogate models trained on validated EHL simulations. Create a novel, computationally efficient, data-driven design protocol for lubricated components. Accelerate the design process for complex EHL problems, enabling the development of more robust, efficient, and reliable tribological components.

Field Service Engineer needed for installation, configuration, and repair of IT hardware at customer sites in the greater Hanover area. Requires experience with servers, storage, and networking, a service-oriented mindset, and a valid driver's license (Class B).

Network Architect designs and implements secure, scalable network solutions for Data Center, Azure Cloud, Security, LAN, WiFi, and SD-WAN environments. Requires experience in large-scale network environments, regulatory compliance (DORA, BAFIN, VAIT), and strong communication skills (German B1 minimum).

Cloud Application Administrator responsible for user and access management across multiple cloud applications. Integrate and establish a central authentication platform. Troubleshoot and improve systems in collaboration with IT support and Site Reliability Engineering.

Senior leadership role defining and advancing Stryker's European Medical Education strategy and external clinical partnerships. Combines strategic leadership, people management, and stakeholder engagement. Requires experience managing teams, complex initiatives, and influencing stakeholders in a matrix organization.

Experienced helicopter pilots with AW169 type rating and offshore experience sought for flights to offshore installations and vessels. Must have EASA ATPL (H) with Instrument Rating (H), at least 2000 flight hours, and twin turbine experience.

Provides pragmatic legal support on European labor and employment law issues across Regal Rexnord's European sites. Counsel includes recruiting, terminations, performance management, reductions in force, leaves of absence, employment contracts, works councils, collective agreements, wage and hour considerations, business transformations, and restructurings. Collaborates with global HR leaders and internal business clients.

Support the planning and execution of trivago On Tour, a company-wide incentive trip, and assist with Core Events and campus events.

Lead all tax activities in the DACH region, ensuring compliance, managing risk, and serving as a strategic finance partner.

Amazon is seeking ambitious interns to support safety processes and operations in fulfillment centers. Responsibilities include assisting with new launches, conducting risk assessments, analyzing accident data, and developing safety procedures.

The Investor Relations team at adidas seeks a student to assist with financial communication, prepare reports, and conduct analyses.