freelance English-speaking jobs in Bielefeld

Senior Finance Data Engineer to modernize the SAP BW reporting environment. Responsibilities include assessing legacy systems, designing scalable data platforms, and overseeing data lifecycle management. Requires 10+ years in SAP BW and data integration.

Operates heavy engineering equipment like graders and dozers for earthwork. Performs maintenance, follows construction plans, and assists technicians. Requires vocational training or 5+ years of experience.

Lead a globally distributed R&D team for Biopharma Chemical Solutions. Define and execute R&D strategies, manage budgets, and drive innovation pipelines. Requires a Ph.D. or extensive experience in chemistry or related sciences.

Customer Experience Specialist needed for an AI audit-tech startup. Use your financial audit experience to shape intelligent software. Manage the full customer journey, translate audit pain points into product improvements, and build documentation. Requires C1+ German and English.

OEM Applications Engineer to secure design wins by engaging OEM customers early in instrument development. This role advises on optical system architecture, defines requirements, and optimizes performance for life science and industrial markets. Requires advanced degree and 5-10 years in optical systems.

Performance Marketing Intern to support paid channel execution across Europe. Tasks include campaign setup on Meta and Google Ads, data analysis, and growth projects like A/B testing. Requires a relevant degree and experience with Meta/Google Ads.

Lead and develop program managers and technical leads, orchestrating cross-functional engineering teams (software, hardware, AI) to deliver products from prototype to market readiness. Manage resources, capacity, and priorities across teams, ensuring smooth collaboration and transparent reporting on progress, feasibility, risks, and trade-offs.

Build and manage a portfolio of 20 client relationships in technology and engineering markets. Lead the commercial lifecycle, act as a strategic advisor, and identify new opportunities within existing accounts.

Lead Vendor Management & Operations team to manage vendor logistics partners across Germany. Own operational management, performance, and strategic partnerships for external fleet management. Requires logistics/operations experience and team leadership.

Lead Vendor Management & Operations role owning vendor logistics partners across Germany. This leadership position manages operational execution, performance, and strategic partnerships within the vendor logistics network.

Customer Success Manager owns customer success and commercial development for a portfolio. Drive Net Revenue Retention through adoption, renewals, and expansion. Requires German C1+ and SaaS/B2B experience.

Lead a team managing technical building equipment and intralogistics maintenance across North Germany, Denmark, Sweden, and Norway. Develop maintenance concepts, control schedules, and report key figures.

Founding CTO for a women’s health intelligence platform. Lead scaling a live beta, architecting the health engine, and building AI features. Requires 10+ years experience, strong backend/infra skills, and HIPAA compliance focus.

Act as a "deal captain" in Investment Banking for the Global Technology Group. Manage complex M&A mandates, oversee financial modeling, and interface with clients. Requires 5-7 years of tech/high-growth M&A experience and German fluency.

Semiconductor Test Application Consulting Manager to support advanced test program development for key customers using the V93000 ATE platform in HPC/AI applications. Requires 6+ years in ATE testing, digital/High-Speed domain.

Flight Control Engineer to design and improve flight control algorithms for drones in challenging environments. Develop embedded C/C++ software for onboard flight controllers and validate systems using simulation and real flight testing.

Senior Solutions Engineer provides technical consulting and delivers tailored solutions to international eBike customers. Manages customer customization projects from requirement collection to delivery, collaborating with cross-functional teams. Monitors market trends to inform product roadmaps.

Quality Assurance Engineer role in aviation. Plan and coordinate audits, manage occurrence reporting, and maintain quality and compliance documentation. Requires relevant engineering degree/experience and knowledge of EASA, FAA, etc.

Own the strategy cycle, translating it into company OKRs and driving strategic initiatives. Manage the leadership operating rhythm, partner ecosystem, and investor materials. Requires 4+ years in strategy/consulting with automotive or defense industry knowledge.

Join J&T Express as a Management Trainee for a 6-month program. Gain hands-on experience through rotations in Operations, Network Management, Quality Management, and Customer Service. Requires German and English skills and a Class B license.