freelance English-speaking jobs in Bielefeld

Groundwater Modeling & Environmental Data Management Consultant needed to develop, calibrate, and interpret groundwater flow and contaminant transport models. Requires 2+ years of experience and proficiency with modeling software like MODFLOW.

Own property deal execution by leading lease transactions, negotiating commercial terms, and delivering property due diligence for a multi-site occupier. Requires hands-on transaction experience and proficiency in English and German.

Support regulatory compliance across 30+ jurisdictions in a part-time internship. Responsibilities include sales support, governance, policy maintenance, and client asset oversight. Requires basic compliance understanding and strong organizational skills.

Market Development Representative responsible for generating qualified opportunities and pipeline in EMEA. Requires 1+ years of experience, fluency in German and English, and experience with outbound prospecting.

Experienced Medical Science Liaison specializing in Oncology sought. Responsibilities include establishing scientific collaborations, engaging healthcare providers, disseminating scientific information, and managing research interests. Requires a life sciences degree, 3 years of medical affairs experience, fluent German, and professional English.

Zerspanungsmechaniker*in to manufacture large components for space programs like Ariane 6 and SLS. Responsibilities include machine setup, production inspection, and simple maintenance.

As a Claims Adjuster III in the Property Department, you will process home contents and personal liability claims for USAA members in Europe. Duties include recording reports, checking coverage limits, and providing claims process answers, with significant correspondence in English.

Senior SAP Solution Architect specializing in MM/SD and GTS. Architect and implement solutions using modern ABAP, RAP, CDS, and SAP BTP, adhering to Clean Core principles. Requires 8-10+ years of experience.

Production Machine Operator needed for a 10/5 working time model. Responsibilities include operating, monitoring, and setting up machinery, quality checks, and maintaining work areas. Requires experience as a machine operator and technical understanding of production machinery.

Lead development and industrialization of SiC MOSFET and GaN HEMT technologies. Drive process integration, define roadmaps, and ensure robust processes for high-volume manufacturing. Requires expertise in semiconductor fabrication.

Werkstudent (m/w/d) Logistik role. This part-time position involves working up to 18 hours per week. The role offers opportunities for career development and thesis writing.

Assembly & Production Assistant role focused on hands-on manufacturing support, including wire assembly and component preparation. Requires good manual skills, attention to detail, and proficiency in German or English.

Lead Continuous Improvement transformation across EMEA (Germany & France) to build operational excellence. Define and deploy CI strategy, embedding Lean, TPM, and Six Sigma across manufacturing and supply chain.

Head of Group Accounting & Finance Transformation to build and evolve the financial backbone. Own accounting, treasury, and tax, ensuring IFRS/HGB compliance while driving finance transformation using automation and AI.

BBIS seeks experienced, reliable Substitute Teachers for on-call assignments in an inquiry-based IB Primary School. Support learning for ages 3-11, deliver lesson plans, and ensure student safety. Requires proven educational experience and C2 English fluency.

Embedded Systems Engineer to strengthen interdisciplinary development in optical measurement technology. Design, develop, and test analog/digital circuits, and develop embedded functionality with microcontrollers.

Expert Hardware Engineer develops control electronics and system architectures for new hardware solutions. Requires 4+ years in embedded hardware/control electronics, knowledge of EMI/EMC, and automotive standards.

Senior Change Manager to shape and improve Digital Technology operations at E.ON Energy Markets. Drive change governance, ensure transparency, and manage business continuity within a SAFe/DevOps approach.

Seasonal Stock Associate responsible for receiving, organizing, and maintaining store inventory. Duties include keeping the floor stocked, assisting with shipping/receiving, and providing customer service. Requires physical strength and attention to detail.

Senior Hardware Engineer for Drone Port at Quantum Systems. Guide hardware development from concept through validation, supporting the product lifecycle. Technical point of contact for core hardware topics.