freelance English-speaking jobs in Bielefeld

PhD research position focusing on Representation and Active Learning for Multi-Scale Scientific Imaging. The role involves developing and applying ML methods to extract insights from complex imaging data within the Institute for Materials Data Science and Informatics.

Site Process Engineer drives process stabilization and continuous improvement for the EU Customer Fulfillment Network. This role deploys EU-wide initiatives, analyzes process performance, and implements improvement action plans.

E-Commerce Manager to control, develop, and optimize the internet booking dialogue. Responsibilities include using web analytics, implementing direct marketing, and identifying AI use cases. Requires E-Commerce training or a marketing degree.

Senior DevSecOps Engineer to build secure CI/CD pipelines and strengthen cloud-native security. Own complex security topics, embedding security into development across Kubernetes and containerized environments.

IT Working Student supports the IT team up to 20 hours weekly. Tasks include hardware setup, technical support for employees, asset management, and ticketing system assistance. Candidates should study IT-focused degrees and know Microsoft/Apple products.

Manage IT Service Management for cloud service delivery, ensuring ITSM process quality and SLA compliance. Requires experience in service delivery, IT governance, and knowledge of AWS/Azure.

Post-Doctoral Researcher needed for a 2-year funded project focusing on microbial degradation of bioplastics. Tasks include identifying microbes, establishing screening platforms, and applying ALE to improve degradation efficiency. Doctoral degree in related fields with ALE experience is required.

Web Design Tutors are needed to provide private lessons to students of all ages and skill levels. Responsibilities include teaching web design fundamentals, structure, layout, and UX through personalized lessons and practical projects. Knowledge of Web Design or related fields is required.

Oversee global ID card supply and access control services for Siemens Real Estate. Drive security standardization, manage vendors, and ensure compliance across worldwide hubs. Requires experience in access control and ID systems.

Accountant for General Ledger & Fixed Assets. Responsibilities include asset invoice processing, asset creation, end-to-end fixed assets accounting, and subledger reconciliation. Requires GL/Fixed Asset expertise and SAP FI/FI AA experience.

Data Scientist role focused on using IoT, ML, and AI to solve global challenges. Requires 3+ years in ML/AI application development, data/ML pipeline building, and processing structured/unstructured data. Secret clearance is required.

Marketing Communications Specialist to support product launches and develop marketing campaigns across Europe. Requires fluent German and English, experience in marketing communications, and understanding of digital marketing for technical, B2B products.

DevOps Engineer to support cloud applications across the lifecycle and optimize efficiency. Responsibilities include designing CD pipelines, implementing automation, and advising on cloud topics like Kubernetes. Requires Azure experience and proficiency in Python, Go, or Shell.

(Senior) SAP Application Consultant to plan, manage, and implement SAP projects focusing on LE, TM, and SD-FT in ECC and S/4HANA. Advise stakeholders, optimize processes, and configure SAP systems.

HR Business Partner collaborates with executives on HR matters, supporting team leads across the employee lifecycle. Responsibilities include talent development, operational HR, and shaping HR processes. Requires relevant degree and several years of HR experience.

Design scalable Customer Configurator (Camos) solutions within Digital Commerce platforms. Define technical solutions aligning with Conga CPQ and back-end systems like SAP. Translate requirements into detailed functional and technical specifications.

Define and implement global standards for tax-related reporting. Embed compliance across tax, legal, and financial reporting processes. Manage reporting requirements and drive continuous improvement with stakeholders.

Inside Regional Account Manager focusing on Churches & Welfare. This quota-carrying role drives direct sales into public sector accounts by developing executive relationships and achieving revenue targets.

Senior Project Manager to own complex client projects end-to-end in consulting. Lead teams, manage scope, budget, and quality while working AI-first. Requires experience in classical/agile methods and confident German communication.

Lead country development strategy, defining market priorities and pipeline growth for offshore wind. Oversee permitting, stakeholder engagement, and risk management. Requires advanced degree and senior experience in renewable energy.