freelance English-speaking jobs in Bielefeld

NET CHECK GmbH seeks a Tools Support Coordinator to commission, install, and provide first-level support for measurement systems. Responsibilities include acquiring measurement data, supporting fleet management, and installing navigation systems. The ideal candidate has a technical understanding of Android phones, computers, and electronics, a valid driver's license, and proficiency in German and English.

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Working Student (f/m/d) Customer Experience & Consulting Support will assist in developing management summaries and presentations, contribute to conceptual questions in Customer Experience Management, and create and maintain HTML templates.

Support risk model calibration and validation for DTFS markets, including reporting. Run monthly economic capital and acquisition quality calculations. Enhance methods, tools, and systems used for calibration, validation, reporting, and pricing.

Leads the strategy, adoption, and execution of international payment product priorities for European clients. Develops and launches products for non-bank financial institution clients, leveraging market research, client feedback, and competitive analysis. Manages a team of product managers and collaborates with cross-functional teams to deliver products that solve customer problems and create business value.

Senior Principal System Applications Engineer designs multi-channel digital receivers and transmitters for various markets including phased-array, radar, and satellite communication. The role involves developing hardware and software, analyzing signal chains, and guiding customers through system integration and testing.

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.

Spacecraft Thermal Systems Architect needed for a transverse role in Munich. Responsibilities include leading thermal architecture for multi-orbit spacecraft, implementing thermal models, coordinating with other disciplines, and supporting integration and verification activities.

Staff Software Engineer will drive reliability, quality, scalability, and efficiency of services within the Customer Logistics Choice Domain. Responsibilities include identifying architectural blockers, reliability risks, and cost leaks, determining solutions, and serving as a mediator on technical topics.

The Director of Analytics will define and own the analytics vision, build and scale the analytics organization, and ensure data insights translate into tangible business impact. This role requires significant experience leading analytics functions, strong hands-on understanding of modern analytics stacks, and proven ability to design and govern KPI frameworks. The Director of Analytics will also lead executive level communication and presentations, clearly articulating decisions, priorities, trade offs, and progress to senior leadership.

Software Engineer will maintain and modernize existing infrastructure applications, ensuring they are state-of-the-art. Responsibilities include collaborating with clinical application engineers, providing documentation, and contributing to a robust code base.

Lead the Sales and Service Subsidiary in Germany, overseeing a team of ~180 employees. Develop and implement business strategies, ensure operational excellence, and drive sustainable growth.

Customer Excellence Agent for Distributor Team in Germany. Manages distributor inquiries, processes orders, and ensures timely order fulfillment. Coordinates with logistics and internal teams to resolve issues and improve processes. Requires a Bachelor's degree, 2 years of customer service experience, and fluency in English and German.

Develop AI use cases using Large Language Models (LLMs) and build Python-based AI services and applications. Fine-tune prompts, design workflows, and integrate AI services with vector databases. Collaborate with backend and DevSecOps teams to ensure seamless integration and deployment.

Senior SAP PP/DS Consultant to drive transformational projects for clients. Design, configure, and optimize SAP PP/DS modules, lead implementations, analyze supply chain processes, and mentor junior consultants. Requires 7+ years of experience with SAP PP/DS modules, fluency in German, and strong understanding of supply chain planning processes.

Lead international revenue growth through strategic B2B sales. Win and grow major corporate clients into long-term partnerships. Build and manage a disciplined sales pipeline. Act as a trusted advisor, translating climate strategy into commercial value.

Systems Engineer needed to support scaling tech operations. Collaborate with product teams to provide solutions and infrastructure. Experience in large-scale environments, Linux/UNIX, Cloud technologies, and containerized workloads required.

Project Manager needed for oversight and evaluation of preclinical and toxicological studies. Responsibilities include scientific coordination, data interpretation, regulatory compliance, and preparation of data packages for regulatory filings. Requires a degree in a relevant field, industry experience in pharmacological or toxicological research, and fluency in English.

Leads internal communication strategy, ensuring clarity and alignment across the organization. Translates strategic decisions into clear messaging and manages communication efforts across multiple offices.

German-speaking Sales Development Representative to join the EMEA Sales Development team. Focus on driving pipeline for NICE's AI-first solutions, particularly Cognigy's conversational and generative AI capabilities. Responsibilities include researching accounts, identifying key stakeholders, and crafting outreach to generate qualified discovery calls.