ruby English-speaking jobs in Stuttgart

Prepare and cook food according to recipes, quality standards, and food preparation checklists. Assist management with hiring, training, scheduling, and motivating employees. Ensure food quality and communicate with service staff about menu specials and out-of-stock items. Follow company and safety policies and procedures.

The Blockchain & Climate Institute seeks a volunteer Principal, Senior, or Legal Advisor/Assistant to provide expert legal advice on matters such as employment, contract, privacy, and competition law. The role involves drafting legal documents, advising on legal risks, and supporting the formulation of internal governance policies.

Principal Consultant leads digital workplace transformation programs, advising clients on strategy and roadmap. Provides architectural guidance and technology consultation to design scalable solutions. Requires strong IT industry experience and expertise in digital workplace technologies.

Manage cross-functional projects for new service and feature introductions. Define, implement, and roll out product features, new destinations, products, or tools. Drive Carbon Report development and support country organizations on sustainability questions. Prepare and conduct training for sales teams on new solutions and sustainability.

Hire Resolve is seeking experienced call centre professionals for mid-to-senior roles in customer operations, service delivery, sales performance, and contact centre leadership. Roles include operational leadership and specialist functions such as contact centre operations, team leadership, quality assurance, training, workforce management, customer experience, and performance optimisation.

Conduct market analysis of composition analysis tools for resilient space flight software. Research language-agnostic tools and the SBOM ecosystem, evaluate select tools, and develop prototype CI workflows.

Co-lead the global OT Security domain, ensuring alignment with IT, Maintenance, Engineering, and Production. Coordinate NIS2 implementation, define OT security standards, and evaluate cybersecurity risks. Support secure integration of machines and systems into the Industrial Data Platform. Provide guidance for global and plant-level rollouts, ensuring compliance with corporate OT security requirements. Conduct training and awareness sessions on secure OT operation, incident response, and best practices.

Lead the IT Finance & Controlling Applications Team, providing technical leadership and managing a virtually extended team. Serve as the IT business partner for worldwide FI & CO departments.

Area Sales Manager (m/f/d) for Latin America and Brazil. Supports dealers and sales companies in sales, marketing, and product training. Requires proficiency in English and Spanish, with Portuguese beneficial.

Support the preparation and implementation of local and global health activities. Assist in the coordination, planning, and implementation of SHE Days. Contribute to the development of a digital health platform and global communication campaigns. Compile and evaluate health data, and prepare results presentations.

Investment Director will lead end-to-end venture debt transactions, including origination, diligence, negotiation, and closing. Responsibilities include structuring deals, developing sponsor relationships, and managing fundraising and LP interactions. Requires a university degree, 8-12+ years of relevant experience, and fluency in English and German.

The Leibniz-Institut für Wissensmedien seeks a Researcher / PhD Position (m/f/d) to join a junior research group focused on digital teaching and learning scenarios. The position involves designing, implementing, and evaluating empirical studies on digital learning technologies in authentic contexts.

Senior Software Engineer needed to develop backends using Kotlin, especially ECS services. Experience with AWS, CI/CD, Docker, React, and TypeScript required.

Working student will contribute to the development of algorithms for autonomous vehicles, focusing on navigating urban areas. Tasks include preparing datasets, developing coding frameworks, conducting literature research, and analyzing algorithm performance.

Studio Partner will provide strategic guidance and business support to game development studios across multiple departments. Responsibilities include supporting teams in developing a strategic vision, communicating with clients and partners, ensuring smooth workflows, and identifying cross-team synergies. Requires 10-15 years of experience, including at least 4 years in the games industry, with expertise in strategy, financial planning, consulting, or project management. Leadership experience in managing or mentoring teams within game studios or creative teams is also required. Fluency in English is required, German is a plus.

Senior Cloud Security Engineer to develop and implement cloud data security strategy, deploy DLP/DSPM solutions, and ensure data protection across cloud environments.

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

Document Controller needed for a major data center project in Frankfurt, Germany. This role ensures project documentation adheres to company standards and the Integrated Management System (IMS). Responsibilities include document distribution, tracking, register maintenance, data analysis, reporting, and liaising with stakeholders. Minimum 2 years' experience in a similar site-based role is required.

Machine Learning Engineer to build and maintain a scalable ML infrastructure for a global consumer platform. Responsibilities include designing, developing, and deploying ML models, collaborating with data scientists, and leveraging cloud technologies. Requires 4+ years of software engineering experience with Python, Java, or Golang, and experience in ML engineering or MLOps.

Communications & Content Manager (m/f/d) will develop and execute external communication strategies, manage owned channels, and support portfolio companies. Responsibilities include shaping messaging, building media relationships, and creating content. Requires 3-5+ years of experience in communications, PR, journalism, brand, or content with a strong understanding of venture capital and the European startup ecosystem.