freelance English-speaking jobs in Bielefeld

Internship focused on transport concepts and data analytics within the aviation logistics industry. Assist with data collection, analysis, and visualization to optimize transport concepts. Contribute to the development of transport KPIs and dashboards.

Investment Director for a newly launched defense-focused buyout fund. Leads transactions from origination through value creation and exit. Requires experience in deal sourcing, due diligence, negotiation, and portfolio company support.

We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

Support, enhance, and improve Employee Central and selected SuccessFactors modules across Europe. Manage support requests, contribute to demand management, and support European locations with organizational changes and workflows.

Deliver a variety of fitness and wellbeing sessions, including Aqua, Yoga, Pilates, and exercise to music, to guests of all ages and nationalities. Plan and deliver daytime activities and entertainment. Engage with guests and ensure a high standard of safety and service.

Software Engineer (ML) needed to scale technical infrastructure and analytical products for soil carbon quantification. Responsibilities include improving ML training and evaluation pipelines, developing geospatial data infrastructure, and supporting CI/CD and testing strategies. Requires 3+ years (mid-level) or 5+ years (senior) of experience in engineering roles building backend applications and pipelines for data- or ML-intensive systems. Strong Python, SQL, and orchestration tool knowledge is essential.

Experienced business leaders with entrepreneurial drive are sought to join a trusted business consulting network as Managing Directors. Partners will lead and grow their own firms in North and East Germany, supporting SMEs through a proven mentoring framework.

Application Engineer (m/f/d) Life Science & Pharma will be responsible for conceptual system architecture of industrial manufacturing platforms, integrating automation, digital systems, data, and physical equipment.

Medical Science Liaison for Europe Central Region, Germany. Builds KOL and HCP base in pre-launch and launch phase. Supports medical and scientific education of HCPs, engages with HCPs to increase diagnosis rates, and supports market access. Requires deep expertise in medical and scientific engagement, strong communication skills, and adaptability.

TripleTen seeks a Chief Marketing Officer to lead and optimize paid advertising, influencer marketing, SEO, and partnership channels. The CMO will drive sustainable growth, reduce customer acquisition cost, and manage a team of marketing specialists. Proven experience in performance marketing, data analysis, and team leadership is required.

Define, implement, and evolve global leadership frameworks and competencies. Shape leadership qualification activities aligned with organizational goals. Act as a trusted advisor to senior leaders on leadership development strategies. Drive initiatives to elevate leadership quality and performance across regions.

Experienced Vice President to join Investment Banking team in Frankfurt. Lead execution of M&A, leveraged finance, and structured financings. Manage transactions, prepare client materials, and develop client relationships.

Rezolve AI seeks an EMEA Sales Director to lead sales strategy, drive revenue growth, and build high-performance sales teams. Responsibilities include defining and executing regional sales strategy, owning regional quota, and identifying and winning key enterprise deals. The ideal candidate has 10+ years of enterprise sales leadership experience, a proven track record of achieving large enterprise sales results in EMEA, and deep familiarity with commerce, retail, payments, or digital experience sectors.

Product Manager responsible for the entire product life cycle of optical frequency comb products. Develops and maintains the product roadmap, interfaces with customers and internal departments, and contributes to product marketing activities. Requires a strong technical background in optical frequency combs and related fields, as well as experience in product and/or project management. Excellent communication and analytical skills are essential.

Lead and organize audits across all business areas, ensuring quality and timely delivery of reports. Collaborate with stakeholders to increase awareness for proper governance and risk management. Develop and maintain audit programs, ensuring corrective action plans are implemented.

Support senior team members in identifying and originating trade and working capital solutions for large corporate clients in Germany, Austria, Switzerland, and the Nordic countries. Manage a set of dedicated customers, prepare and execute transactions, and perform financial and strategic business analysis.

Leads the technical implementation of customer-specific development projects for power electronic products. Manages cross-functional engineering teams, ensures project deliverables meet specifications, and collaborates with project management and customers. Requires a degree in Electrical Engineering and 5+ years of experience in development/engineering.

Lead marketing across Germany, Austria, and Switzerland, driving growth through demand generation, digital performance, and brand development.

Leads strategic engagement with medical societies and alliances, driving innovative collaborations to advance GSK's priorities in improving healthcare and patient outcomes. Develops and implements a strategic collaboration framework with key stakeholders, including KOLs, DOLs, and academic consortia. Oversees compliance and governance for all external collaborations.

Purchasing Specialist for indirect procurement of technical goods. Responsibilities include supplier qualification, invoice discrepancy resolution, negotiation of commercial terms, and master data management. Requires commercial training, purchasing experience, and proficiency in SAP, Ariba, DocuSign, and other IT tools. Fluent German and English required.