freelance English-speaking jobs in Bielefeld

Design and implement LLM-based applications with a focus on prompt engineering and output quality. Integrate and operate AI services from data preparation to production monitoring.

Leads and manages the Human Resources function across Europe and Latin America, driving key initiatives including recruitment, training, organizational design, and performance management. Ensures HR strategies align with business objectives while maintaining compliance and fostering a culture of engagement.

Working student supports HR Business Partners and Specialists with operational HR tasks, recruitment activities, and document management. Requires enrollment in a Bachelor's or Master's program in HR, Business Administration, Psychology, or a related field.

Senior Solutions Architect with deep experience designing enterprise PLM architectures using modern platforms. Must have strong understanding of product data management, bill-of-materials management, and engineering workflows. Experience integrating PLM systems with ERP and manufacturing systems is required.

The Compliance & Data Privacy Manager will develop, implement, and maintain data protection policies and oversee the Compliance Management System. The role involves supporting data privacy assessments, conducting compliance training, and managing risk updates.

Intern will develop and implement test procedures in powertrain simulation environments, conceive and program evaluation tools, and analyze test data to identify optimization potentials.

Manager for global digital healthcare solutions, focusing on nursing care. Drive commercial success, support customer implementations, and gather feedback for continuous improvement. Requires 5-7 years of experience in commercialization, sales, or digital strategy, ideally in healthcare.

Senior Market Access Trader / Senior Sales Trader (m/f/d) will price customer inquiries for electricity, gas, coal, and CO2 in Europe. The role involves acquiring new customers, managing relationships, and collaborating with internal departments. Requires a master's degree and several years of experience in energy trading with a focus on sales or flow trading abroad.

Critical Manufacturing MES Engineer (Modeler) needed for 12-month contract. Support design, development, and deployment of a Critical Manufacturing MES solution. Requires MES certification and proven experience in MES implementation projects.

Project Manager (Field Engineer) will oversee the on-site deployment of engineering and automation solutions across Germany. Responsibilities include project planning, execution, and closure, ensuring projects are delivered safely, on time, and to high standards.

Office Manager for a European defense tech start-up specializing in electronic warfare and precision localization. Manage daily office operations, coordinate internal processes, and support management and teams with scheduling, travel, and meeting preparation.

Defines, documents, and maintains standardized supplier data specifications, ensuring alignment with procurement and operational objectives. Leads current-state mapping and gap analysis of supplier data flows and schemas. Establishes and manages relationships with supplier data owners and drives adherence to data standards.

Execute end-to-end go-to-market strategies across customer segments and channels. Build and optimize the GTM flywheel, including outbound, inbound, ABM, LinkedIn content, paid acquisition, and sales workflows.

Procurement Compliance Officer supports risk mitigation and compliance by evaluating subcontractors for financial stability, technical capability, and regulatory adherence. Conducts due diligence assessments, maintains subcontractor databases, and collaborates with procurement, project, and HSE teams. Requires a Bachelor's degree and 2 years of experience in an international business environment.

As a UAV Test Pilot, you will plan, execute, and report on flight tests for experimental, developmental, and modified production systems. Responsibilities include remote piloting, test execution, telemetry monitoring, and contributing to test site selection and flight profiles. Must possess valid EU A1/A3 and A2 Remote Pilot Certificates (EASA) and a valid radio operator certificate.

Content Marketing Manager to develop and execute cross-channel content strategies for consumer electronics. Translate technical features into compelling customer benefits and storytelling themes. Monitor KPIs, optimize content, and support product launches.

Maverick Currencies seeks disciplined traders to day trade Forex and Crypto remotely using firm capital. This performance-based contract offers a profit split on trading returns, typically ranging from 60% to 90% depending on experience and performance tier. Traders must follow rule-based systems, analyze price action, and adhere to strict risk management rules.

Oversee planning, organizing, and executing global events for MISSION 2044, a leader in defense, national security, space, and critical technologies. Collaborate with stakeholders, manage logistics, and ensure seamless event execution.

Talent Advisor needed for full-time, permanent position with Randstad Sourceright. Coordinate recruitment processes for interns and early careers candidates, manage processes, and collaborate with various stakeholders. Experience in recruitment, process management, and strong communication skills required.

Data Engineer needed to design, build, and maintain scalable data platforms and solutions. Collaborate with stakeholders, optimize data workflows, and stay current with data technologies. Minimum 3 years of experience in designing and implementing data solutions, platforms, and interfaces required. Proficiency in data modeling, modern data technologies, cloud platforms, and big data tools is essential. Excellent communication skills and fluency in German (C1 level) and English are necessary.