freelance English-speaking jobs in Mannheim

Motivated tutors are sought to provide private lessons in Business, Management, Economics, Marketing, and Finance. Knowledge in these fields is required, but no prior teaching experience is necessary.

Credit Manager role ensuring timely invoice payment and mitigating financial risks from customer insolvencies. Responsibilities include managing customer credit, analyzing payment data, and handling collections.

Executive Director Market Insight's leads global competitive intelligence across trials and market developments. This role generates insights to support brand strategy, forecasting, and financial planning, requiring 10+ years of pharma/biotech commercial experience.

Site Manager for utility-scale BESS projects, leading on-site delivery from equipment receipt to handover. Responsibilities include managing safety, schedule, quality, and coordinating all site interfaces. Requires a relevant engineering degree and 5+ years in power/BESS projects.

Clinical Trial Liaison supporting global development in Austria, Germany, and Switzerland. This role involves interacting with investigator sites, providing regional insights for feasibility and recruitment, and managing site issues. Requires 8+ years of relevant industry experience.

This role involves shaping the hardware evolution and industrialization of a real-time, onboard Orbit Determination and Time Synchronisation product for LEO satellites. Responsibilities cover electronic architecture, PCB design, and production flow.

Support coordination for PRIME-ARI and LEAPS-TECH projects, including developing training material and managing industrial outreach. Monitor work plans, liaise with partners, and consolidate technical contributions. Requires relevant project coordination experience and excellent English.

Lead Global Partnerships and Fundraising to drive funding pipeline expansion and strategic relationships. Responsibilities include securing major grants, negotiating complex deals, and managing C-level donor relationships globally. Requires 7+ years in high-level fundraising or partnership development.

Postdoctoral Researcher or PhD Student to study early Alzheimer’s using smartphone-based assessments. Tasks include data preparation, applying mixed-effects models, and collaborating on research. Requires a relevant PhD and experience with longitudinal data analysis.

Mid-level Legal Counsel needed to support IGNIS's German business. Focus areas include administrative law, renewable energy project development, and corporate matters. Requires 3+ years of experience, German law knowledge, and fluency in German and English.

Product Security Senior Specialist for Sovereign Cloud. Drive compliance controls for LeanIX Enterprise Architecture, focusing on FedRAMP or equivalent standards. Translate regulations into technical tasks and manage certification efforts.

Creative & Motion Designer develops high-quality, on-brand advertising assets from concept to final asset. Responsibilities include creating scroll-stopping content for digital products, using tools like Photoshop and generative AI, and applying a performance-driven mindset. Fluent German is required.

Drive development and stability of the IBM Planning Analytics (TM1) ecosystem. Design technical solutions, optimize planning/reporting, and ensure integration between TM1 and corporate systems. Requires 3+ years in finance systems.

Manager Merchandising Originals FTW DTC CS - Europe prepares channel assortments and contributes to OTB planning. Responsibilities include executing in-season trading decisions, managing inventory, and analyzing sales data. Requires relevant experience and a university degree in business.

Buyer responsible for sourcing and procuring technical components for railway diagnostic and measurement systems. Requires 3-6 years of procurement experience, knowledge of railway safety standards (EN 50126, EN 50128), and fluency in German and English.

Drives service growth and process excellence for an international B2B technology business. Develops profitable aftersales offerings, designs scalable service structures, and harmonizes commercial processes across sales and service.

PhD student position investigating Tm-based solid-state lasers at 820 nm. Research focuses on spectroscopic and laser properties of Tm3+-doped crystalline fluoride and oxide gain materials. Requires MSc in physics, optical engineering, or related field.

Support the Accounting and Controlling team during a 12–15 month SAP transformation. Tasks include statutory accounting (US GAAP), AR/AP, and driving automation in Controlling and reporting. Degree in Accounting or related field required.

Senior Data Engineer will build and scale real-time streaming data pipelines for production ML systems. Responsibilities include developing feature engineering infrastructure, optimizing ETL and streaming workloads, and collaborating with Data Science and Backend Engineering teams. Requires 5+ years of experience building production data platforms with Apache Flink, Kafka, and real-time streaming architectures.

Experienced Full-Stack Software Engineer needed for an AI training project. Responsibilities include developing, debugging, and evaluating front-end/back-end applications, APIs, and data models. Requires skills in Python, React, JavaScript, Java, Node.js, Rust, Go, and TypeScript.