ruby English-speaking jobs in Düsseldorf

Contribute to groundbreaking research at Boeing's Innovation Lab in Frankfurt. This mandatory internship for Master's or Bachelor's students focuses on future flight operations, cabin accessibility, urban air mobility, and more.

Working Student will join the Consulting Operations team to review and develop the operational backbone database. Responsibilities include identifying improvement potentials, implementing solutions, and developing ideas for database enhancements.

DYWIDAG seeks a Civil Engineer / Construction Technician to manage wind tower projects in Northern Germany. Responsibilities include project preparation, organization, execution, scheduling, resource planning, cost monitoring, and customer coordination.

Drive the acquisition and growth of strategic art sellers in Germany as a Sales Representative for the DACH region. Structure high-value deals and build long-term partnerships with galleries, dealers, and artists.

Daqo Group seeks a Delivery & Service Manager to lead project execution and ensure successful delivery, commissioning, and lifecycle support of power distribution solutions across Europe. The role involves managing project delivery, coordinating installation and commissioning, and providing after-sales service for MV switchgear, transformers, RMUs, and related systems.

The Head of Accounting will oversee the company's accounting function, ensuring accurate financial reporting, strong internal processes, and collaboration with external partners. Responsibilities include managing financial processes within SAP S/4HANA Public Cloud, leading audits, and collaborating with tax advisors.

Danaher seeks experienced HR professionals for a Talent Pool. We are looking for HR Business Partners and Generalists with a minimum of 3 years of experience as a Generalist or 5 years as an HRBP. Must have a university degree or vocational training in HR Administration & Management, strong knowledge of German Labor and Social Law, and fluency in German and English.

Manage and grow customer relationships in the Automotive Fluids Independent Aftermarket, focusing on coolant/antifreeze and brake fluid products. Negotiate contracts, steer technical and commercial projects, and acquire new business opportunities.

Provides administrative support in a technical environment. Manages correspondence, schedules appointments, and handles other administrative tasks.

Regional Tax Director EMEA will oversee direct and indirect tax matters across the EMEA region. Responsibilities include transfer pricing, tax accounting, compliance, digitalization of tax processes, and supporting business changes from a tax perspective. Requires a university degree, tax qualification, 10+ years of experience, and strong communication skills.

The Quality Assurance Lead Nurse champions high standards of patient care and drives continuous service improvement. This home-based role involves leading quality initiatives, overseeing service recovery, analyzing provider data, and supporting audits to ensure safe and effective service delivery.

The Group CFO will partner with the CEO, leading financial performance, operational efficiency, and finance, IT, and controlling functions. Responsibilities include strategic business partnering, finance transformation, operational and sector excellence, and performance-driven leadership.

The Catholic Administrative Pastoral Life Coordinator supports the USAG Rheinland-Pfalz Religious Support Office by coordinating and administering Catholic ministry activities. Responsibilities include developing the monthly Catholic community calendar, preparing materials for Mass services, and coordinating event logistics.

The Technical Director – Construction (EMEA) ensures technical integrity, constructability, quality, and performance of hyperscale data center projects across EMEA. This senior role bridges design, engineering, construction, commissioning, and operations, ensuring facilities meet design specifications, performance requirements, and regional regulations.

Leads colleagues on client-facing supply chain projects, including performance issues, strategy development, cost optimization, and transformation programs. Manages multiple projects and staff, assuming cost and implementation responsibility. Requires a strong academic background with extensive experience in supply chain consulting or project management. Native or business fluent German and English are essential.

The Managing Editor maintains and evolves the Design Hotels brand voice through writing, editing, and storytelling. This role connects the brand to the creative travel community and member hotels, supporting creative and marketing initiatives. The Managing Editor contributes to positioning, copywriting, and content development for client-facing projects, translating creative concepts into compelling narratives.

Continental seeks a Tax Compliance Manager to ensure adherence to German and international tax regulations. Responsibilities include developing and implementing tax compliance strategies, managing risk reports, and coordinating with internal and external stakeholders.

We design the system, steer the output, and take responsibility for what we ship. Fast where it makes sense. Careful where it matters. Activities Take JavaScript beyond the browser - run it on Smart TVs, HbbTV, CTV, and DVB devices. Join a guild of JS veterans building frameworks and SDKs that run everywhere - Web, Mobile, TV.

As Chief of Staff, you will work directly with the Founder and leadership team to drive company priorities, ensure execution, and accelerate AI adoption. You will lead cross-functional initiatives, improve leadership effectiveness, and solve company-wide problems.

Leads market expansion by securing bus stop and station locations, managing government relationships, and driving operational success in a regulated environment. Develops strategic partnerships, navigates government processes, and ensures compliance.