ruby English-speaking jobs in Düsseldorf

Resident Engineer (m/f/d) supports a major OEM customer in southern Germany, acting as a central point of contact between the customer and TE Connectivity's engineering departments for high-voltage projects.

As Head of IT, you will own and improve the company's corporate IT environment, leading internal IT operations across service management, workplace technology, user access, and vendor management. You will ensure core IT services are reliable, scalable, and well governed, while balancing user experience, security, innovation, and cost. You will also drive adoption of AI tools and establish guardrails for secure, compliant, and responsible use.

Engineer IT/OT Systems ensures stable, secure, and connected IT/OT systems in a manufacturing environment. Collaborates with production teams to solve connectivity issues, support applications, and contribute to IT/OT infrastructure development.

Process Engineer provides engineering support for manufacturing operations, analyzes process data, and executes projects to improve efficiency. Requires a bachelor's or master's degree in a relevant engineering field and 2+ years of experience in a regulated industry. Fluency in English and German is required.

Senior Back End developer needed for a 7+ month remote contract. Design and develop scalable Back End services using C#/.NET Core, REST/SOAP APIs, SQL Server, and MongoDB. Experience with CI/CD, Azure, Docker, Kubernetes, and AI-supported development tools required.

Sales Representative to drive new client acquisition globally for a Fintech and Trading Technology firm. Focus on educating entrepreneurs and traders on SaaS solutions for launching prop firms. Minimum 2+ years of sales experience in dynamic industries like SaaS, Fintech, or iGaming required.

Frankfurt International School seeks a highly motivated Elementary School Teaching Assistant for German (80%) to support students in grades 2-5. The successful applicant will assist the teacher, provide student support, and teach one regular German class (20%).

Felipillon seeks a Board-certified Orthopaedic Surgeon to diagnose and treat musculoskeletal disorders, perform surgeries, and collaborate with medical professionals in Berlin.

The Strothoff International School is a bilingual, international school. In our pedagogical concept, we follow both the Hessian education plan and the international IB curriculum. On our family-friendly and modern campus in Dreieich (near Frankfurt), we offer around 400 children

Publicis Sapient seeks a Manager/Senior Manager with a proven track record in the DACH utilities industry. The role involves driving digital transformation projects, developing go-to-market strategies, and fostering relationships with senior clients. Candidates should possess strong consulting skills, industry thought leadership, and experience in growing revenues.

Working Student Social Media Producer will create and publish content across various platforms, including blog posts, LinkedIn articles, Instagram posts, and TikTok. Responsibilities include translating ideas into visually strong formats, analyzing social media metrics, and refining content strategies. Must be a current student in communications, marketing, media, design, or a related field with a passion for social media and strong visual taste. Native-level English fluency is required.

Junior Mental Health Professional to assess patients in initial chat interviews, assign appropriate services, and support the Operations department. Requires a degree in Clinical Psychology, license to practice, minimum six months experience, and fluency in Italian, Spanish, and English.

As Client Principal for Energy & Natural Resources, you will guide Fortune 500 energy companies through AI-driven transformation. You will build relationships with senior executives, develop strategic account plans, and lead consultative sales conversations. You will identify high-impact AI use cases and collaborate with technical teams to implement scalable solutions.

Drive the future of spinal deformity therapy in Germany as a Sales Representative. Combine your sales expertise with clinical understanding to establish innovative solutions in the market. Collaborate with leading spine surgeons, support complex procedures, and contribute to improved patient outcomes.

Experienced finance leader to manage group accounting, tax, and compliance functions. Oversee consolidated reporting, ensure financial governance, and support international subsidiaries.

Working student to support daily operations of Corporate Communications EMEA. Manage communication channels, conduct research, and assist with campaign development.

Junior Commercial & Billing Manager (f/m/d) needed for a 2-year fixed-term contract. The role involves preparatory accounting tasks, data maintenance for billing, spreadsheet management, client reporting, and dunning. Requires proficiency in MS Office or Google Workspace, strong analytical and communication skills, and experience in a comparable role.

Develops and executes go-to-market strategies for home robotics products across European markets. Leads product launches, collaborates with global and regional teams, and analyzes market dynamics. Requires 3+ years of experience in GTM, R&D, or product marketing in Europe, with a focus on consumer electronics or home robotics.

Junior GTM Engineer will lead client projects, building signal-based outbound pipelines for B2B DACH clients. Responsibilities include TAM sourcing, campaign operationalization, performance analytics, and reporting. Requires experience with Clay, outbound tools, list building, and LLMs. Strong analytical skills and fluency in German and English are essential.

Assists with planning, designing, and evaluating global employee onboarding. Maintains the Learning Management System and supports the implementation of learning strategies. Monitors and evaluates the effectiveness of onboarding and training initiatives.