freelance English-speaking jobs in Bielefeld

Software Engineer in Telemetry Team. Develop solutions to collect, transfer, process, and analyze telemetry data for V93000 test systems. Requires systems programming, data engineering skills, and knowledge of Linux.

ISPOR seeks a Chief Financial Officer to lead finance and accounting. This role involves financial strategy, multi-year forecasting, risk management, and ensuring compliance with nonprofit regulations.

PhD Student Mineralogy research involves studying Fe-bearing materials under in-situ conditions relevant to planet formation. Participants will engage in X-ray scattering R&D and dynamic compression experiments.

Solutions Engineer BESS evaluates and sources utility-scale Battery Energy Storage Systems. This role bridges engineering and procurement, translating technical requirements into optimized commercial configurations while managing supplier relationships.

Define and drive enterprise data architecture strategy, establishing scalable governance and MDM frameworks. Design modern data platforms for secure integration across ERP, CRM, and PLM systems. Requires a degree and experience in Data Architecture and Data Management.

Digital Forensic Analyst investigates and reconstruct information security incidents using advanced tools. Responsibilities include evidence collection, threat hunting, and reporting to improve security posture. Requires relevant experience and knowledge of EU regulations.

As Sales Transformation & Strategic Initiatives Lead, you will drive execution and alignment across the Sales organization. You will support leadership decision-making on strategic initiatives and business-critical topics.

Lead Civil Engineer for data centre projects in Germany. Responsibilities include civil design (RIBA Stages 1–4), technical leadership, and managing permitting with local authorities. Requires Civil Engineering degree and extensive German project experience.

VP, Partner Ecosystem to shape and execute partner strategy, driving growth by scaling alliances in technology. Responsibilities include managing channel programs, developing go-to-market activities, and evaluating EdTech partnerships.

Director Global Quality will shape the global quality strategy for Thermal Solutions. This role establishes unified quality frameworks, drives digital transformation, and ensures high product quality across international operations. Requires a Master's degree and fluency in German and English.

As Head of Europe, you will lead a team of 150 colleagues across nine countries, driving business performance and ensuring sustainable growth. You will share P&L responsibility for the region and translate global strategies into regional actions.

Manages project costs, ensures budget adherence, and identifies cost-saving opportunities. Develops project plans, schedules, and resource allocation. Tracks project progress, resolves construction issues, and ensures compliance with safety, quality, and environmental regulations.

Accountant Trade Invoicing Services supports trade invoicing within the O2C process. Responsibilities include E2E monitoring, SAP topic analysis, and creating sales/KPI reports. Requires 2-5 years in AR/Invoicing, ideally with SAP R/3 or S4/HANA experience.

Entry-level Warehouse Staff positions are available. Opportunities include full-time and part-time shifts with fixed schedules. Wage details are provided for day, night, and guaranteed increases.

PLC-Programmer needed to design, program, test, and commission PLC-based control systems for the shipping industry. Requires a degree in a related field and experience with IEC 61131-3 and CODESYS.

Scientific Programmer to contribute to large-scale ICON simulations with the Cleo model. Requires strong programming skills, experience in HPC, and collaboration.

A leading transatlantic investment bank seeks a highly motivated M&A Associate to join its Munich office. The role involves leading deal execution, managing client relationships, and collaborating with senior bankers.

Lead Source-to-Pay solution design using SAP S/4HANA, covering purchasing, sourcing, and Ariba integration. Responsibilities include template adoption, delta design, and ensuring design quality gates. Requires excellent English.

Senior CMO Manager to contribute to global strategic CMO management and oversee all CMO developments across the lifecycle. Requires a Master's degree in a relevant field and at least 7 years of professional experience.

For our secondary school in Heilbronn and Erlenbach we are looking for a Biology Teacher (Bilingual: German & English) (in part-time or full-time)