freelance English-speaking jobs in Bielefeld

Develop automation systems for R&D test rigs and laboratory systems. Develop data acquisition and control algorithms for high-performance gas control. Requires an engineering degree and 3+ years in automated testing setups.

Warehouse Worker role in an Amazon Fulfillment Center. Duties include receiving, packing orders, loading trucks, and operating PIT equipment. Requires ability to lift up to 15kg and adhere to safety standards.

Manage monthly payroll with precision, ensuring compliance with tax, social security, and company policies. Serve as the payroll expert, handling master data, regulatory reporting, and cross-functional coordination.

Internship developing calculation tools, interfaces, and data management for heat exchanger design. Requires Process, Mechanical, or Chemical Engineering student with knowledge of heat transfer and fluid mechanics. Python experience is beneficial.

Senior UX Researcher needed to drive strategic decisions through qualitative and quantitative research. Requires 5+ years of experience, strong research skills, and fluency in German and English.

Software Engineer Lead role requiring expertise in Python, Kubernetes, and Docker. This position involves technical leadership and cross-functional collaboration, reporting to the CTO/founders.

Design, build, and test hardware for space infrastructure combining AI computing with laser and RF communications. Focus areas include digital, analog, RF, and power electronics. Requires 3+ years in complex electronic hardware development.

Seeking a German-qualified Senior Immigration Lawyer to advise corporate clients on German immigration matters. Responsibilities include managing client portfolios, ensuring compliance, and leading complex cases. Fluent German and English are essential.

Develop advanced wafer processes for MEMS sensors, evaluating materials and methods. Drive technological development from concept to series production, collaborating cross-functionally. Requires engineering degree and experience in semiconductor or MEMS technologies.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

Senior Specialist manages and enriches security and reference data across instrument types to support valuation. This role involves resolving data issues, coordinating with vendors, and supervising event data processing in XENTIS. Requires 3+ years in securities data management and fluency in German and English.

Drive pipeline growth and accelerate business across EMEA/LATAM for data infrastructure modernization. Identify opportunities in hybrid/multi-cloud environments, develop GTM plays, and build partner programs. Requires 8+ years in BD/Sales.

Senior Sales Manager for 25hours Hotels. Develop creative sales strategies for Corporate & MICE segments, build customer relationships, and increase business volume. Requires professional sales experience and fluency in German and English.

The Energy Informatics lab seeks a doctoral or postdoc researcher for the INITIAL project. Focus involves digital integration and data-driven optimization of energy park models. Requires M.Sc. in CS, IT, or related field.

Senior Service Engineer provides high-quality on-site service for advanced microscopy systems. Responsibilities include maintenance, repairs, troubleshooting, and technical support to meet service and utilization targets. Requires technical training and relevant experience.

Manage and expand relationships with key strategic accounts. Develop strategic plans to increase revenue, achieve sales quotas, and ensure client satisfaction through excellent service and negotiation.

Drive growth in DACH by owning new business across large enterprise accounts. Lead complex, multi-stakeholder sales cycles for $500K–$1M+ SaaS opportunities, positioning AI-powered Data & Analytics solutions.

Lead and scale product and segment marketing for NetDocuments across all key customer segments, including law firms and corporate legal departments. Direct GTM strategy, messaging, and sales enablement. Requires 7+ years in B2B SaaS marketing.

Sales Representative to grow sales in East Germany by developing existing customers and winning new business. Manage the sales pipeline, create proposals, and monitor market trends. Requires 3-6 years of experience and German/English skills.

Lead and develop the Customer Care Team, driving operational performance and customer satisfaction. Improve KPIs, evolve processes, and implement AI/automation across consumer-facing services. Requires 5+ years of leadership experience.