freelance English-speaking jobs in Bielefeld

Senior Expert International Tax supports IFRS Consolidated Financial Statements by preparing international tax positions and ensuring compliance with OECD, EU, and local regulations. This role involves driving IFRS tax matters and improving tax processes.

Design and develop innovative AI projects, overseeing the full lifecycle of AI applications. Requires experience in generative AI, ML, or data-driven projects, and proficiency in Python, Java, TypeScript, or Go.

Bid & Proposal Manager to lead complex international bids and scale global Bid & Proposal Management. Own the full bid lifecycle, influence product strategy, and build scalable processes. Requires technical interest and German/English fluency.

Support data-driven decision making by developing commercial models for pricing and strategy. Translate complex data into insights for senior stakeholders while collaborating across technical and finance teams to explore telecom opportunities.

Quality Inspector in Aviation checks aircraft works and non-conformities (structure, mechanic, electric). Responsibilities include following up on corrective actions, preparing reports, and ensuring product traceability. Requires technical education and aviation quality assurance experience.

Ph.D. Candidate position in medical informatics research. Develop and simulate mathematical models of hematopoietic stem cell dynamics. Requires a relevant Master's degree and programming skills in R or Python.

Operate vehicles as a safety driver and teleoperator testing state-of-the-art technology. Responsibilities include safe operation, monitoring automated systems, and data acquisition. Requires a valid Class C or CE license and German/English skills.

Experienced software development team lead develops technical concepts and supports agile teams. Analyzes requirements, leads and coaches development teams, conducts code and architecture reviews, identifies vulnerabilities, and collaborates with stakeholders.

Machine Learning Engineer to design, build, and productionize ML systems for logistics, optimizing supply and demand. Requires strong Python skills, experience with real-time data streaming, and cloud deployment.

Drive market share growth for Stryker’s Foot & Ankle business across EMEA by formulating strategic marketing plans, developing campaigns, and enhancing customer relationships. Requires 8+ years in international Marketing or Brand Management.

Flow Manager Inbound steers real-time inbound material flows from receipt to putaway in a new fulfillment center. You align daily activities with demand and resolve operational obstacles. Logistics or supply chain experience is required.

Bridge business and technology to deliver regulatory-aligned process improvements and AI-enabled transformations in financial services. Capture requirements, design processes, and advise on compliance (MiFID II, DORA, AML). Requires 4-8 years of experience and fluency in English and German.

Analyze and interpret sales data to drive performance management, pipeline quality, and forecasts. Translate sales requirements into analytical concepts, enhance data models, and identify optimization opportunities. Requires strong Power BI and SQL skills.

Reliability Maintenance Engineering Area Manager leads and mentors engineering technicians to ensure equipment availability and safety. Requires practical engineering experience, technical degree, and skills in electrical/mechanical disciplines.

The Product Marketing Engineer acts as the technical and commercial bridge between departments. Responsibilities include developing product positioning, supporting launches, and creating technical marketing collateral.

OSINT Analyst supports a 24/7 combatant command watch floor by conducting rapid research on Publicly Available Information. This role requires advanced OSINT tradecraft, digital search skills, and the ability to deliver actionable insights under tight deadlines. TS/SCI clearance is required.

Drive revenue growth for entity management solutions in large, complex accounts. Apply consultative selling to position the Diligent One Platform and expand customer usage. Manage the end-to-end sales cycle.

Senior strategic leader defining global market and service line strategy. Responsibilities include analyzing market trends, defining strategic priorities, and translating insights into growth initiatives. Requires 10+ years in strategic or market leadership.

Lead complex strategic consulting projects for BASF, delivering impactful recommendations to global executives. Guide projects end-to-end, identifying improvements and collaborating with cross-functional teams. Requires professional experience in strategic consulting.

Lead multi-location Accounts Payable activities, driving digitization and automation of procure-to-pay processes. Oversee supplier relations, internal controls, and month/year-end closings. Requires experience in complex environments and proficiency in ERP systems.