freelance English-speaking jobs in Bielefeld

Working Student IT supports user management, device management, and processing support requests. Participates in infrastructure and development projects. Requires analytical thinking, technical understanding, and good communication skills in English.

Area Sales Manager (m/f/d) for Latin America and Brazil. Supports dealers and sales companies in sales, product training, and application consulting. Requires proficiency in English and Spanish, with Portuguese beneficial.

Experienced Head of Tax (m/f/d) sought to oversee all tax-related matters for European entities. Responsibilities include providing tax guidance, ensuring compliance, identifying optimization opportunities, and leading the tax team.

Global Procurement Manager responsible for subcategories within Finished Products portfolio. Develops and implements global sourcing strategies, manages international suppliers, and collaborates with cross-functional stakeholders.

Manufacturing Process Technician responsible for defining, documenting, and maintaining production processes. Supports new product introduction, equipment optimization, and troubleshooting. Requires experience in factory automation, assembly, or test equipment engineering.

Support the smooth operation of a hotel shop, advise guests, and manage product inventory. Collaborate with sales on promotions and handle merchandise management, pricing, and invoice verification.

Service Technician for Wind Turbines performs on-site servicing and maintenance, analyzes error messages, and documents work digitally. Requires vocational training in a relevant field, familiarity with Microsoft and iOS, and a valid Class B driver's license.

The MLOps Engineer will onboard and deploy AI models into production inference workflows, package and deploy models as containerized inference endpoints, and define and operate validation gates. Responsibilities include running and maintaining BLABLADOR as an operational inference suite, ensuring reliability through monitoring, logging, alerting, and incident response. The role also involves tuning inference services to optimize latency, throughput, and multi-tenant fairness.

Design, implement, and harden robotic software for autonomous systems used in defense and mission-critical operations. Develop and integrate core robotics capabilities including perception, planning, control, and sensor fusion. Collaborate with a cross-functional team to ensure system reliability, safety, and tactical capability.

EMEA Category Lead - MRO Services will develop and execute procurement strategies for Repair and Maintenance, manage supplier relationships, and partner with stakeholders to ensure efficient solutions.

Responsible for the strategic development and sustainable orientation of the Machines & Equipment business field, including special machine construction and abrasive production. Develops and implements growth strategies, manages budgets, and leads international segment managers. Requires a university degree, international leadership experience, and strong analytical and communication skills.

Leads a team of engineers developing advanced composite space tanks, translating company goals into team priorities and ensuring product performance.

Leads and structures the global Internal Audit (IA) team, defining the IA charter, audit strategy, and methodology. Manages the global IA budget and oversees audits covering financial reporting, IT general controls, and MAR/disclosure controls.

Actuary responsible for reserving tasks under GAAP, IFRS, and Solvency II. Provides actuarial advice to CFO, Board, and Branches. Supports Risk Management, ORSA process, and Planning/FP&A. Advises on reinsurance and underwriting.

Leads the strategy, execution, and continuous improvement of CRM processes across the full Lead-to-Cash lifecycle. Translates business requirements into CRM implementations, ensuring efficient and consistent workflows for Marketing, Sales, CSM, Order Management, and Finance. Serves as the primary functional owner for CRM process design and implementation, partnering with stakeholders across revenue teams and supporting the Product organization.

This 12-24 month Sales & Marketing Junior Manager Program offers rotations in Sales and Online Marketing, both domestically and abroad. Participants will support the implementation of digital sales channels, boost brand visibility, and acquire new customers digitally.

Manages multiple field crews for highway, street, and parking lot grading projects. Oversees subcontractors and coordinates all grading operations. Requires a bachelor's degree in Civil Engineering or Construction Management and 5+ years of grading industry experience.

Research Assistant (m/f/d) for a 3-year project focused on numerical simulation of microbial transport in porous media and carbonate mineral precipitation. Responsibilities include developing numerical models, presenting research results, and carrying out administrative tasks.

Manage financial processes within SAP FI/CO, including Controlling, Contract Accounts, General Ledger, and Accounts Payable. Execute projects, provide support, and collaborate with internal stakeholders.

We are seeking a motivated Acoustics Engineer to contribute to innovative projects in consumer electronics and IoT. You will develop characterization methods for acoustic transducers, model, characterize, and validate MEMS devices, and provide consultation on measurement methods.