freelance English-speaking jobs in Bielefeld

Senior Software Developer and Architect with expertise in C# and C++ to design software architectures and develop applications.

Provides end-to-end technical support for Lenovo laptops, MacBooks, iPhones, and Android devices. Diagnoses and troubleshoots hardware and software issues, manages tickets in Jira Service Desk/Fresh Service, and supports Microsoft 365, Azure AD, and other enterprise systems.

Shape the future of immersive media with us L1VE GmbH is a fast-growing media and technology company that is redefining how the world experiences sports, music, and entertainment. With cutting-edge 12K / 3D / 360° live-streaming technology and a global premium rights portfolio, we bring live events to life in Virtual Reality – authentically and immersively on all leading VR platforms.

Product Manager for digital sales channels at a transportation business partner in Augsburg. Responsibilities include technical implementation of tariff offers, technical support for new offers, and management of external service providers.

Lead applied AI research and productization of AI automation solutions. Drive innovation across R&D, product, and customer success. Collaborate with teams to ensure customer requirements translate into robust AI features. Mentor and grow AI engineers and researchers.

Senior Quality Manager (m/f/d) CMO – Monoclonal Antibody Manufacturing manages quality oversight at contract manufacturing organizations (CMOs) for oncology products. Responsibilities include implementing and maintaining DS quality standards (GMP/GDP) and regulatory requirements at CMOs, managing quality-related topics, and supporting CMOs during Authority Inspections.

Project Manager for data management in digital transformation projects. Focus on SAP R/3 and S/4HANA, master data standards, and data quality improvement. Requires 5+ years experience, SAP expertise, and agile project management skills.

Role Overview: As a Market Sales Associate, you will serve as a trusted consultant to businesses looking to enhance their digital presence and overall performance. From initial outreach to onboarding and early-stage growth, you’ll guide clients throughout their journey—identifying their needs, recommending effective strategies, and building a solid foundation for long-term success.

Senior Data Scientist with 5+ years experience developing data-driven solutions and deploying complex models. Proficient in Python, PySpark, and Databricks. Experience in Pricing, Forecasting, or Marketing modeling. Focus on CI/CD, version control, and modular coding. Mentors junior and mid-level data scientists. Designs and develops scalable ML/Deep Learning models. Manages the entire production lifecycle. Drives CI/CD automation and designs high-performance PySpark ETL frameworks. Ensures model reliability through testing, drift detection, and monitoring. Collaborates cross-functionally in a cloud environment (Azure, Databricks, Google Cloud).

As a Sales Development Representative (DACH), you will generate and qualify outbound sales opportunities for Account Executives across the DACH region. Responsibilities include conducting research, initiating targeted campaigns, following up on leads, and securing qualified meetings.

At Shiftmove, we are developing the next generation of connected mobility products to empower businesses with data-driven, informed decision-making. Our mission is to simplify complex processes, make them intuitive and efficient, and unlock real value for thousands of B2B customers across Europe and beyond.

Global HR Business Partner - Sales will partner with Sales leadership to drive performance through people, translating commercial strategy into organizational design and capability building.

Job Description What it's all about - Visa Consulting and Analytics (VCA) is the consulting arm of Visa, and drives tangible, impactful results for clients. Drawing on our expertise in consulting, data analytics, technology, payments and economics, VCA solves the most strategic problems for our clients.

Senior Sales Manager to drive the success of Tieto's Financial Services business in Central Europe. Lead strategic sales initiatives, build customer relationships, and expand Tieto's footprint in the Financial sector.

Site Reliability Engineer to join the Observability group within Platform Engineering. Responsibilities include building tools for monitoring infrastructure, microservices, and unique workloads, focusing on developer experience and incident prevention. Requires experience with observability fundamentals (metrics, logs, traces), data extraction/transformation/loading tools, and at least one glue language (GoLang or Python). Must be comfortable operating in a cloud-native environment using infrastructure as code (Terraform, AWS CDK) and have strong Linux skills.

Leads global procurement strategy, builds and mentors a procurement team, and establishes procurement governance and policies. Requires 10+ years of procurement leadership experience, preferably in automation integration, robotics, or related sectors.

Product Owner/Business Consultant will support two strategic product initiatives: ONE360 and Harmonized Product Adoption Insights. Responsibilities include translating business needs into product requirements, managing the product backlog, and collaborating with stakeholders and development teams.

Senior Project Manager to oversee data center construction in Berlin. Requires a degree in construction or technical engineering and 10+ years of experience managing large, complex construction projects. Must have strong communication and stakeholder management skills and fluency in German and English.

Senior Multidisciplinary Design Manager with DC experience sought for German market. Manages design in a fast-paced environment, supports bids, and ensures regulatory compliance.

The Product Intelligence Sensory Manager will analyze sensory and consumer data using statistical tools to drive product development. The role involves creating product intelligence reports, providing technical advice on sensory target setting, and establishing sensory methodologies. Experience with AI and machine learning in sensory science is advantageous.