freelance English-speaking jobs in Mannheim

Design, implement, and optimize end-to-end AI pipelines integrating Large Language Models (LLMs) into semiconductor testing workflows.

As a Working Student - Product Management, you will support the optimization of search and recommendation functionalities on the HeyJobs Talent Platform. You will collaborate with product managers, data scientists, and engineers to improve AI-driven solutions and ensure high-quality datasets.

Create and innovate AI-generated visual content (images, short-form video, copy) for various platforms, including social media, paid ads, and websites. Think critically, experiment with new AI tools, and optimize workflows for efficiency and quality. Collaborate with teams to ensure brand consistency across all content.

Postdoctoral researcher to investigate genomic and post-transcriptional processes in pancreatitis and pancreatic cancer. Requires a doctoral degree and knowledge of cancer genomics, proteomics, and molecular cell biology. Experience with computational platforms for single-cell and spatial omics data analysis is encouraged.

Project Manager responsible for managing interfaces between internal and external stakeholders, overseeing project execution, defining KPIs, and analyzing company-wide processes. Requires a master's degree in a relevant field, several years of senior project management experience, and fluency in German and English.

Postdoctoral researcher sought for a 4-year DFG-funded project focused on functional genomics of acute leukemias. The position involves analyzing high-dimensional data sets to identify oncogenic vulnerabilities and therapeutic targets.

The Hochtaunuskreis District Council seeks a Team Leader for IT at Digital Schools to manage the IT team, design and develop school IT equipment, and coordinate IT procurements.

Retail Intern to support a team in a high-class luxury brand. Responsibilities include customer service, operational support, and stock organization. Must have a passion for luxury retail, creativity, and fashion. Fluent in German and English.

Finance Transformation & Development Manager will support and drive finance transformation initiatives, focusing on the company's move to SAP S/4HANA Public Cloud. The role involves designing, improving, and implementing finance processes in SAP Public Cloud, collaborating with various finance departments to translate business needs into practical solutions. The ideal candidate will have experience in finance, controlling, accounting, finance transformation, and SAP Finance, with a strong understanding of finance processes, reporting structures, and accounting principles.

Director of Procurement will lead procurement strategy and supply chain execution for Germany & Austria, managing a €50 million spend across direct & indirect materials.

Supports the Sales organization by identifying and qualifying potential Enterprise customers in the DACH region. Engages and qualifies potential customers, follows up on leads, and sets up discovery meetings for the Sales team. Tracks leads, activities, and outcomes in Salesforce. Fluent in German and English required. Prior experience in a BDR/SDR role or similar customer-facing position preferred.

Lead SAP TM workstream in a global transformation program for a leading life sciences client. Drive greenfield SAP TM implementation, manage teams, and oversee advanced TM capabilities.

Freelance online English language trainer for adult learners. Provide virtual 1:1 and group sessions via platform. Must be a proficient English speaker (CEFR C2), hold a TEFL/TESOL/CELTA certificate (minimum 120 hours), and have experience teaching English online to adults.

Leads strategic network planning and design for fulfillment centers, sortation hubs, transportation, and last-mile operations across Europe. Develops scalable infrastructure strategies, including site selection and operational flow design. Drives optimization initiatives across cost, capacity, service, and efficiency.

IT Internship or Bachelor/Master Thesis opportunity with P&G. Work on projects with high autonomy or write a thesis on a topic aligned with P&G's needs. Areas include End to End Supply Chain, Industry 4.0, Commercial Domains, and Data & Analytics.

Senior Application Engineer to support Siemens EDA Design for Test (DFT) products. Responsibilities include product presentations, customer evaluations, and design methodology support. Requires wide technical experience with large IC digital designs, DFT knowledge, and excellent communication skills.

Service Technician for the Nordseecluster offshore wind farm. Responsibilities include maintenance of electrical and mechanical systems, inspections, repairs, and component replacement. Must have vocational training in electrical engineering, electronics, or a comparable field and strong English skills.

Builds and manages a portfolio of 20 client relationships within a defined technical vertical. Leads the commercial lifecycle from introduction to repeat business. Acts as a strategic advisor, offering data, insight, and market perspective. Identifies and pursues new opportunities within existing accounts.

Financial Accountant needed for a part-time, fixed-term position. Supports the finance team in providing expertise and guidance for business models and practices.

Experienced QHSE Professional to provide support and guidance across Health & Safety, Quality, and Environmental activities.