ruby English-speaking jobs in Stuttgart

Tester Work seeks QA testers and tech enthusiasts in Germany for project-based opportunities. Perform test case executions, functional exploratory tests, and usability tests. Payments are made via PayPal, Wise, or Upwork within two weeks of project completion.

Leads the end-to-end real estate lifecycle, including acquisitions, due diligence, and risk assessments. Oversees property-related CAPEX planning, ROI assessments, and lifecycle cost optimization. Develops scalable facility management concepts and manages global facility services and contracts. Conducts workplace audits, manages project reporting, and enforces cost and performance controls. Leads global sustainability and energy management initiatives and oversees global Health & Safety governance. Develops and implements facility management policies and procedures. Collaborates with internal and external stakeholders to ensure high-quality facility management services. Provides leadership and guidance to facility management teams.

Development Engineer (m/w/d) responsible for the entire product lifecycle, from ideation to marketing. Develops new product ideas, implements prototypes, and participates in production structure development. Requires a completed engineering or natural science degree, several years of relevant experience, and strong CAD skills.

This role supports strategic and operational price management in the eMobility business area. Responsibilities include conducting market, competitive, and potential analyses to inform pricing decisions, supporting pricing controlling, and monitoring implemented pricing strategies. The role also involves contributing to the optimization of automated, price-relevant processes and collaborating with departments such as Sales, Product Management, and Operations.

Manages and develops the own White Goods business, including growth targets, integration of CatMan, and international project support. Leads the MDA team, coordinates stakeholders, and drives business development. Requires a degree in economics, fluency in English and German, and strong leadership and communication skills.

Develop and maintain commercial activities with advertisers, including e-commerce companies, brands, and retailers. Provide tailored solutions, advise on integration into the commerce network, and negotiate partnership contracts. Collaborate with internal teams to ensure partner requirements are met.

Drive the commercial success of digital healthcare solutions, focusing on nursing care. Collaborate with sales, marketing, and digital experts to launch and support solutions in real markets. Analyze sales results, gather customer feedback, and contribute to continuous improvement.

Provides support to staff across departments with travel, invoices, refunds, and inventory management. Supports scientific community by assisting with online application procedures for master and Ph.D. students.

Leads and oversees the global Digital Trust Product Certification (DTPC) portfolio, driving commerciality and creating go-to-market plans. Responsible for meeting sales targets and objectives across various DTPC services, including cybersecurity testing and certification, digital identity, and software cybersecurity. Identifies new market opportunities and develops strategies. Provides training on Digital Trust products.

The University of Duisburg-Essen and the Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V. are offering 11 PhD positions in various departments and institutes. Successful candidates will conduct high-level interdisciplinary experimental research projects in the RTG 2989 «Targeting cellular interfaces in Reperfused Acute Myocardial Infarction (TCI repAMI)».

The Bundesanstalt für Materialforschung und -prüfung (BAM) seeks a Postdoctoral Researcher to investigate PFAS-free membranes in redox flow batteries. Responsibilities include designing and setting up a test bench, planning and implementing pilot and test phases, and analyzing membrane materials.

This 12-week internship, starting mid-June 2026, is for university students graduating with a Bachelor's or Master's degree in 2027. The program provides in-depth learning and hands-on experience in cloud sales and AWS services. Interns will work on a business project utilizing innovative approaches and cutting-edge AI-first solutions.

Postdoctoral Researcher (gn*) in the Sánchez Lab at the European Institute for Molecular Imaging. Focus on plexin receptors, combining single-molecule localization methods and cell biology to decipher their stoichiometry, dynamics, and role in various biological processes. PhD in life sciences required, experience in cell and molecular biology, and microscopy methods.

As a Field Application Engineer, you will bridge the gap between customers, sales, and product teams for the Renesas 365 platform. You will deliver product demonstrations, develop tailored solutions, and ensure successful customer onboarding.

The University of Potsdam and the Leibniz Institute for Research on Society and Space seek a Professor for Urban and Regional Policy to head the "Policy and Planning" research area and establish a new research group.

The CRC 1756 "Chemical and Biological Principles of Cellular Trigger Responses" seeks 20 doctoral researchers to investigate molecular mechanisms of cellular responses to chemical and physical triggers.

Application Manager (m/w/d) for Ivalua / Procurement needed for a well-known international energy company. Must have experience in purchasing, supplier relationship management, and Ivalua. The position is part-time (32 hours/week) and remote with occasional in-office meetings.

Account Executive will drive new business development, own customer pilot projects, and contribute to a collaborative sales team. Responsibilities include identifying customer needs, progressing sales opportunities, and translating technical results into business impact. Must be a motivated team player with strong communication and customer-centric skills. Fluent in English and German is required.

Lead sales activities in the DACH region, developing strategies and managing customer relationships. Collaborate with internal teams on bids, offers, and project handovers. Represent Nuventura at customer meetings and industry events.

Lead and transform the global Hydraulic business unit (H+L) to achieve profitability exceeding 10% EBIT. Define and implement a global strategy, identify growth opportunities, and streamline operations. Oversee site-level operations and provide functional leadership for multiple international locations.