ruby English-speaking jobs in Düsseldorf

Field CTO / Head of Technical Evangelism to lead technical conversations in enterprise sales cycles. Translate architecture into business value and build a team of evangelists. Must be comfortable speaking with CIOs and engineering teams.

Shape the future employee experience at Redcare Pharmacy, Europe's No.1 e-pharmacy. As the first dedicated Modern Workplace Engineer, define the roadmap, modernize workplace technologies, and drive the transition to a cloud-first environment.

Lead multiple software development teams, fostering innovation and collaboration. Establish AI-native engineering practices leveraging Claude Code and similar tools. Ensure adherence to quality, security, and regulatory standards. Synchronize product requirements with business objectives and communicate progress to executive management.

Support the Global Talent Acquisition team in developing and implementing recruiting initiatives and projects across different countries and regions. Assist in optimizing global recruitment processes, standards, and tools.

Hardware System Engineer responsible for customer interface, system requirements engineering, and electronics design for automotive electronics. Requires 3+ years of experience in a team environment, PCB layout, and automotive interface design. Must have strong documentation and project management skills. Proficiency in English is required, German is a plus.

Hybrid–Frankfurt | Munich | Nuremberg | Stuttgart | Cologne Go To Market – Sales / Full-time / Hybrid Company Overview Siemens Digital Industries Software is a leading provider of solutions for the design, simulation, and manufacture of products across many different industries.

Founding Product Engineer / CTO to build and lead the technical foundation of a new AI-powered financial assistant for people under financial stress. Architect and build the mobile product (React Native, TypeScript, Tailwind), define backend architecture, and design infrastructure for secure financial data handling. Work with the CEO to turn complex financial data into intuitive user experiences.

We are looking for an experienced Executive Assistant to support senior leadership within a global manufacturing organization. Executive Support Provide day-to-day support to senior executives and directors. Manage complex calendars, meetings, and executive schedules. Organize international travel, including bookings and logistics.

Leads a team of Data Scientists, Operations Research Scientists, and Machine Learning Engineers to maximize the impact of real-time courier incentive systems. Owns the data science strategy for courier compensation models, dynamic boost and surge mechanisms, and engagement incentives. Drives critical business outcomes by taking ownership of key courier supply metrics. Designs the conceptual framework for real-time incentive engines, balancing model sophistication with latency and reliability constraints. Oversees the development of predictive models to address local supply-demand imbalances and optimize real-time boost levels. Ensures pay models are rigorous, auditable, and free from unintended bias. Leads the design and execution of complex marketplace experiments to measure the real-world impact of pay and incentive changes. Directs the modeling of courier behavior and builds frameworks to maximize the ROI of incentive spend.

The Custody Tax Product Manager (Senior Vice President) defines and executes the product roadmap for tax services delivered to cross border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations applicable to taxation of securities and fluency in German and English.

The successful candidate will be responsible for developing and managing relationships with institutional investors across Germany, Austria and Switzerland, driving fundraising activities across the firm's private markets platform, with a particular focus on private equity fund-of-funds strategies and senior direct lending/private credit solutions.

Lead the development of intelligent systems that operate in the real world. Define AI and robotics strategy, build and scale multidisciplinary teams, and drive the development of autonomous systems.

Thomas Wacker joins maincubes as Chief Development Officer, focusing on construction, strategic planning, and execution of data center development projects.

Global Head of Legal (International) for a premium outdoor lifestyle brand. Leads international legal framework, including franchise, wholesale, and distribution agreements. Oversees anti-counterfeiting, IP enforcement, GDPR compliance, and ESG obligations. Serves as primary legal liaison between international and Asian business units.

Operate, maintain, and repair rail grinding, milling, and planing machines. Install and assemble equipment on railway tracks across Europe.

General Manager – Domains Business & Vice President Product Management The Opportunity We are looking for an exceptional executive to lead our Domains Business and shape the future of our product portfolio.

The Technical Content Writer creates clear, engaging, and technically accurate content for the Güntner Group. Responsibilities include writing and editing product copy, simplifying complex information, and collaborating with various teams to ensure content accuracy and commercial relevance.

The Chief Operating Officer / Chief Financial Officer (COO/CFO) is a senior leadership role responsible for translating the company's strategic plan into operational reality. The COO/CFO will own financial strategy, manage profitability, and oversee all accounting and reporting. They will also design and implement scalable processes, manage team and resources, and ensure legal and data compliance.

Dynamic CFO/SVP Finance to build a finance function, implement SaaS metrics, and lead funding rounds for a fast-expanding SaaS scale-up. Must have experience raising Series A or B funding for SaaS companies and be based in Berlin.

Develop control software for next-generation lithography systems, implementing embedded control systems on bare metal and Linux. Contribute to software architecture and design, create test infrastructure, and work in an agile team.