ruby English-speaking jobs in Stuttgart

Senior Business Application Engineer for Polarion ALM. Configure, customize, and maintain Polarion ALM solutions for engineering and compliance. Collaborate with stakeholders to gather requirements and support system operations.

Advise clients on US and international tax matters, including PFICs and CFC structures. Requires CPA/US Tax Attorney status, US tax law knowledge, and fluency in English and German.

Lead CBM's refocused Community Based Inclusive Development Initiative. This senior role shapes strategy for Inclusive Community Support, Education, and Livelihood to drive impact for persons with disabilities globally.

Senior Marketing Manager Performance & Growth owns end-to-end UA for web/mobile, managing budgets against ROAS/LTV. Responsibilities include scaling, finding new audiences, and building tracking processes. Requires 5+ years in performance marketing, strong data skills, and fluent English/good German.

Design and implement the ABB Robotics Operating System and enterprise performance framework. This global role establishes management routines, governance, and KPIs to drive fact-based decision-making and execution across the organization.

Advance 300mm epitaxy characterization by establishing new material characterization methods and developing existing ones. Guide engineers in thin film and epitaxy characterization, standardizing measurement processes. Requires 5+ years in semiconductor industry/R&D.

Clean and prepare aerospace components following defined procedures and quality standards. This role requires experience in a controlled environment, attention to detail, and the ability to work independently while completing documentation.

Senior Software Engineer in MDM team. Provide technical direction, own solution design, and develop scalable software for high-volume data processing. Guide customer system migrations and define quality standards.

Working Student for a high-volume recruiting project. Responsibilities include calling applicants, conducting pre-screening interviews, checking requirements, and documenting calls. Requires university enrollment and fluent English.

Warehouse Logistics Associate role available. Opportunities for full-time or part-time positions with fixed schedules. The role involves warehouse logistics operations.

Design and implement enterprise-scale agentic AI systems, translating business needs into scalable multi-agent solutions. Leverage LLMs, RAG, and modern frameworks to build production-ready AI applications.

Marketing Manager to own Hololight's written content and channels. Responsibilities include SEO, paid campaigns, PR, and organic social. Requires B2B marketing experience, HubSpot proficiency, and fluency in English and German.

Software Engineer needed to build and own features across frontend and backend, turning user problems into software. Requires 2+ years of experience shipping web applications and comfort with AI development.

Senior Regulatory Affairs Expert for Biocides (EU & GB) coordinates regulatory activities for insect repellent under EU and GB BPR. This role involves managing authorisations, monitoring developments, and acting as a key regulatory contact.

Business Development Representative Intern to build Juna AI's sales engine. Drive top-of-funnel activities, including lead generation, outreach, and qualifying leads in industrial manufacturing. Requires 1-3 years of B2B sales experience.

Ruby on Rails Engineer to develop and improve the private markets platform end-to-end. Work with Ruby on Rails, Heroku, PostgreSQL, Redis, Sidekiq, Git, and AWS. Design REST APIs and write clean, tested code.

Support Merantix AI Campus operations and events. Own member onboarding, event logistics, and workplace maintenance. Requires 1-2 years in a similar role, excellent English communication, and a hands-on, detail-oriented approach.

Installation Manager to lead mechanical assembly operations for automation equipment. This role involves supervising technical teams, ensuring quality compliance, and driving production goals. Requires mechanical aptitude and 3+ years of relevant experience.

Golang Software Engineer to build and operate scalable backend services for Identity & Access Management. Focus on IAM capabilities like SSO, MFA, and integrating with providers like Amazon Cognito.

Master's thesis on what-if reasoning in LLM agents for HEMS parameter evaluation using Time-Series Foundation Models via MCP. Investigate connecting TSFMs to LLM agents for intelligent energy management.