freelance English-speaking jobs in Bielefeld

Lead the transformation of accounting operations from decentralized to a unified, group-first reporting engine. Drive the adoption of IFRS and NetSuite, standardizing processes and ensuring audit readiness.

The Site Process Engineer will work with the FC Senior Leadership Team to deploy process improvement initiatives, build relationships, and drive compliance within a defined timeline. Responsibilities include identifying top process improvement opportunities, overseeing the FC improvement program, and collaborating with central PE functions and other Site PEs. The role requires strong analytical skills, the ability to influence stakeholders, and experience in process engineering or process improvement.

Lead the end-to-end certification of in-vehicle infotainment products, including Google Mobile Services, Compatibility Test Suite, Vendor Test Suite, and Google Automotive Services. Collaborate with software teams to resolve compatibility and API-related issues. Prepare technical documentation and test reports to support certification progress. Communicate with overseas OEM customers and Google teams to resolve technical and business issues.

Coordinates sea freight export shipments, handles documentation, and tracks order status. Requires a bachelor's degree, 2+ years of experience in sea freight, fluency in Chinese and English, and strong communication skills.

Provide customer support in Spanish and English, primarily via written communication. Resolve customer inquiries and mediate between parties on the Cardmarket platform.

Retail Intern to support a luxury boutique team in Munich. Responsibilities include customer service, operational tasks, and ensuring a welcoming client experience. Must be fluent in German and English, with a passion for fashion and luxury retail.

Lead the strategy and execution of product capabilities at the intersection of conversational AI, platform architecture, and customer value. Translate complex technical opportunities into clear, scalable product outcomes for enterprise customers.

The Fraunhofer Institute for Integrated Circuits IIS seeks a Managing Director for the mioty® program. This role is responsible for global strategic development, commercialization, and ecosystem expansion of mioty®, a leading Low Power Wide Area Network (LPWAN) standard. The Managing Director will lead operational, business, partnership, and organizational activities to establish mioty® as a leading LPWAN technology.

Lead the global implementation of SAP MDG as a central Master Data Hub. Steer, coordinate, and govern multiple stakeholders, including business units, IT teams, and the external implementation partner.

Provides technical expertise and solutions to support sales. Analyzes customer specifications, recommends product configurations, and guides implementation planning. Develops technical presentations and collaborates with internal teams.

Provides customer service support via retail channels, responding to tickets and coordinating with technical teams. Requires advanced German and English language skills, strong Excel proficiency, and experience in customer service, after sales, or administrative support.

Finance & Administration Manager to oversee financial operations in the UK. Responsibilities include financial planning, bookkeeping, internal controls, reporting, and vendor management. The role is 50% FTE, with the option for 100% FTE for a candidate fluent in German.

The position is a 2-year qualification position for a doctoral student in Economic Theory and Policy, Industrial Organization, Behavioural Economics, International Economics, or Econometrics. Applicants must have a completed scientific university education in Economics or a related quantitative-mathematical discipline with outstanding grades.

iOS Developer responsible for app delivery and maintenance aligned with product roadmap. Requires 5+ years of iOS development experience, strong Swift knowledge, and understanding of design patterns and CI/CD processes. Experience with GitLab, SPM, Firebase, Jira, Confluence, and Bluetooth LE technologies is beneficial. Must be located in Germany and proficient in English.

Freelance AI trainer for leading tech companies. Design physics problems, evaluate AI solutions, and validate calculations using Python. Requires a physics degree, 3+ years experience, strong Python skills, and excellent English.

Support the central PMO in managing a group-wide transformation program. Take responsibility for subprojects, create presentations, and plan workshops.

Develops and owns yfood's global marketing architecture, ensuring alignment of strategy, budgets, campaigns, and market execution. Leads annual global marketing planning, builds campaign calendars, and develops category and growth frameworks.

Control System Engineer needed for substation control system commissioning, testing, and on-site support. Experience with SCADA, HMI, networks, cybersecurity, and IEC protocols required.

Part-time Facilities Assistant needed for 20 hours per week, Monday to Friday. Duties include coordinating property documents, assisting with help desk queries, managing room bookings, and supporting tenant service requests. Requires strong communication, organizational, and customer service skills, as well as proficiency in MS Office Suite.

As a Commercial Finance Business Partner, you will be a trusted advisor to the VP and management team in Germany, providing financial insights and driving sound business decisions. You will lead the financial planning process, support business cases, and collaborate with cross-functional teams to achieve financial and non-financial targets.