freelance English-speaking jobs in Bielefeld

Leads the end-to-end real estate lifecycle, including acquisitions, due diligence, and risk assessments. Oversees property-related CAPEX planning, ROI assessments, and lifecycle cost optimization. Develops scalable facility management concepts and manages global facility services and contracts. Conducts workplace audits, manages project reporting, and enforces cost and performance controls. Leads global sustainability and energy management initiatives and oversees global Health & Safety governance. Develops and implements facility management policies and procedures. Collaborates with internal and external stakeholders to ensure high-quality facility management services. Provides leadership and guidance to facility management teams.

Supplier Quality Assurance Engineer will improve supplier quality through strategic assurance, auditing, and internal product testing. Responsibilities include evaluating and monitoring suppliers, conducting root cause analysis, and managing complaints. Requires a technical or skilled trade qualification with experience in quality assurance and supplier management.

A Snapshot of Your Day As a Manufacturing Engineer for Investment Casting, you act as the project lead for product and process qualifications of turbine blades and vanes used in the hot gas section and produced from superalloys using the investment casting process.

Implementation Consultant designs, develops, and deploys CRM and ERP software for clients with 5-500 users. They manage projects, document requirements, and deliver training. Requires 1+ years of SaaS or software implementation experience and 2+ years as a billable consultant. Must be proficient in German and English and have excellent communication skills. Travel up to 40% is required.

Drive European growth for a leading provider of passive cooling solutions for the pharmaceutical and food industries. Build relationships, develop go-to-market strategies, and manage the full sales cycle. Minimum 3-5 years of experience in Pharma, Biotech, Temperature-Controlled Packaging, or 3PL required. Excellent communication and proven sales track record essential.

Risk Manager (m/f/d) to support strengthening risk awareness, internal controls, and governance framework. Will contribute to the implementation of the Group Risk Architecture, monitor regulatory developments, and support risk reporting and management. Experience in ESG risk management, sustainability controlling, financial risk management, compliance, or audit within the financial services industry is required.

Develop technical solutions for wind and electromobility products. Work with customers, create technical lists and drawings, and support sales. Requires a degree in electrical engineering or a related field, experience in the wind industry, and programming experience with IEC61131.

Regional Head of Life Sciences & Healthcare will set and execute global strategy for Air & Ocean, drive vertical growth, and manage key accounts. Requires proven experience in freight forwarding, logistics, and global customer management.

Develop backend systems for an intralogistics product using Java and Spring Boot. Design APIs for web and app interfaces. Contribute to Minimum Viable Products (MVPs) in a fast-paced environment.

PhD position in Computational Biology & Single-Cell Genomics focusing on brain development. Analyze single-cell RNA-seq and scATAC-seq data, process spatial transcriptomics data, and develop bioinformatic pipelines.

Tenure-track professorship in "Mathematics of Machine Learning" at the Technical University of Munich (TUM). The successful candidate will conduct research, teach, and mentor early-career scientists, focusing on integrating mathematical advancements in machine learning into TUM's research and teaching.

Provides support to staff across departments with travel, invoices, refunds, and inventory management. Supports scientific community by assisting with online application procedures for master and Ph.D. students.

Associate Data Engineer to ensure the correctness and reliability of a data platform for equity research and AI-driven analytics. Focus on testing, documenting, and monitoring Python-based ETL pipelines, data quality, and AI-related initiatives. Requires 0-2 years of experience in a data-focused role, strong Python and SQL skills, and experience with AI tools.

Trainee program in IT for 18-24 months with rotations across Uniper's organization. Develop a deep understanding of Uniper's business and contribute to projects in areas like digital solutions, IT system optimization, and digital transformation.

Design and develop advanced device software based on a SECS/GEM-compatible framework (C#). Manage customer interface coordination and adjustments. Assist with software commissioning and provide on-site customer support.

Develop and maintain commercial activities with advertisers, including e-commerce companies, brands, and retailers. Provide tailored solutions, advise on integration into the commerce network, and negotiate partnership contracts. Collaborate with internal teams to ensure partner requirements are met.

Act as a principal subject matter expert for HR & Legal software integrations (esp. Workday Integrations) owning solution design, configuration, testing, deployment, and governance. Develop and maintain integrations using tools such as EIB, Core Connector, Studio and Document Transformation. Provide Level 3 support on Functional topics such as Core HCM, Compensation, Recruiting, Absence, Security etc. Collaborate with cross-functional teams and external vendors to deliver integration solutions.

Postdoctoral position in the project "Making Political Decisions" at the Cluster of Excellence "The Politics of Inequality". The position starts September 1, 2026, for four years. The successful applicant will contribute to research activities using experimental designs to study political decision-making.

Leads a global procurement team to drive cost optimization, supplier innovation, and strategic sourcing initiatives. Collaborates cross-functionally to ensure supply continuity and navigate global challenges. Manages the Automotive BU procurement P&L and directs supplier selection, risk management, and negotiation strategies.

PhD students will conduct research on the zygotene cilium and its role in human spermatogenesis. Responsibilities include experimental work, characterization, identification of genetic factors, and collaboration. Applicants need a Master's degree in life sciences and experience with molecular biology techniques.