ruby English-speaking jobs in Stuttgart

Spare Parts Administrator (m/f/d) will prepare spare parts quotations, develop sales campaigns, obtain technical information, negotiate orders, process orders, and handle commercial aspects. Requires a successfully completed technical business administrator training, several years of experience, product knowledge in electrical products, and strong communication skills in German or Norwegian and English.

Launch lead responsible for opening and stabilizing the first flagship quick service restaurant in Germany. Coordinate all workstreams from market analysis and site selection to people, supply chain, and tech setup. Extensive operational experience in Germany within QSR, fast casual, or multi-site restaurant/retail concepts required. Native-level German and fluent English. Proven track record launching or scaling sites/projects.

Lead and develop a B2B sales team focused on new logo acquisition across the DACH region and international markets. Drive revenue growth and implement scalable GTM strategies.

Develop and debug firmware for soil measurement devices. Interface sensors to MCUs, manage data acquisition, and ensure reliable communication in demanding agricultural environments. Collaborate with hardware and software engineers on system design and troubleshooting.

Fullstack AI Engineer (Python, JS) to develop and implement AI-powered Legal Tech solutions for a leading law firm. Responsibilities include designing, building, and maintaining AI-driven software applications, collaborating with interdisciplinary teams, and staying abreast of emerging AI innovations. Requires strong Python and JavaScript skills, experience with CI/CD pipelines, cloud environments, and prompt engineering. Fluent German and English (B2+) are essential.

Research Scientist (f/m/x) for electromagnetic exploration. Responsibilities include planning and executing magnetotelluric and controlled source EM measurements, processing and archiving data, numerical modeling, and interpretation of results. Requires a MSc in Physics, Mathematics, or Geosciences with a focus on Geophysics, experience with electromagnetic methods, programming, and field measurements.

Quality Management Specialist will maintain and develop the QMS, create and update procedures, lead CAPA processes, and support audits and change management. Requires in-depth knowledge of ISO 13485, MDSAP, and EU MDR 2017/745, experience in quality positions within the medical device sector, and strong communication and interpersonal skills.

Lead Full Stack Developer will design, develop, and implement new features for the company's website and business processes. Responsibilities include API design, code quality assurance, infrastructure optimization, and team collaboration.

Working student providing support for J-SOX compliance and auditing, including self-assessment process, IT controls framework establishment, and automation. Assists with policy and process management, technology innovation, project support, and reporting.

As Corporate Secretary and Governance, you will ensure compliance with corporate, legal, and regulatory requirements for European SPVs. You will coordinate board meetings, collaborate with stakeholders, and maintain corporate records.

Senior Machine Learning Engineer to design, build, and deploy predictive models for a programmatic advertising platform. Responsibilities include developing scalable data pipelines, defining experimentation frameworks, and ensuring production-grade MLOps. Requires 5+ years of experience in machine learning with a proven track record of deploying and maintaining ML systems. Strong Python skills and knowledge of statistics, experimentation design, and model evaluation are essential.

The Regional Delivery Assurance Manager ensures projects follow defined delivery assurance processes, from risk management in the presales phase to project delivery. Responsibilities include implementing and executing delivery assurance processes, conducting risk reviews, and managing risk mitigation activities. The role requires 5+ years of experience in SAP project delivery, 3+ years in risk management and quality assurance, strong communication and stakeholder management skills, and fluency in English. Willingness to travel 20-40% is required.

The Regional Account Director – DACH (m/f/d) will strategically develop and manage customer relationships across the DACH region. This remote role focuses on expanding existing business and developing new opportunities to deliver customer value and drive revenue.

Senior Manager/Director leads buy-side and sell-side M&A mandates, managing end-to-end transaction processes and client relationships. Requires 8-10 years of experience in M&A, corporate finance, or transaction advisory with strong technical skills and fluency in German and English.

Experienced SAP IBP Consultant needed for a 12-month international pharmaceutical project. Provide expertise in planning processes, system configuration, and integration with SAP S/4HANA. Collaborate with global stakeholders to design, implement, and optimize planning solutions.

Experienced scientist to operate and maintain chemical aerosol instrumentation at the Schmücke Cloud Observatory as part of the ACTRIS research infrastructure. Responsibilities include operating online and offline instruments, implementing quality assurance measures, processing and submitting data, and participating in ACTRIS workshops and events. PhD in natural sciences, experience with mass spectrometry and field campaigns required.

Co-Development Manager will identify and negotiate solar and energy storage projects and M&A opportunities. Responsibilities include managing deals from acquisition to closing, analyzing economic viabilities, and coordinating with development and country manager teams.

International Associate Sales Manager responsible for sales of raw materials for pharmaceutical applications and development of existing and new customers in the EMEA area. Requires a chemical or biological-technical education with 4-6 years of experience in pharmaceutical sales or marketing.

Senior Industrial Designer / Team Lead will drive design projects from ideation to production, ensuring user-centered design principles are implemented. Experience in B2B product design, robotics, and leading creative teams is required.

Freelance Machine Learning Tutor to deliver 2-4 hours/week of group tutoring sessions via Zoom to learners enrolled in the Thrive program (May-August 2026). Support learners applying Python, machine learning, and AI Engineering concepts. Must have experience with scikit-learn, PyTorch, Hugging Face, Git, and strong English communication skills.