ruby English-speaking jobs in Düsseldorf

Fund Controller accountable for financial matters of European and global funds. Manage accounting, budgeting, reporting, tax, and compliance for real estate funds. Support portfolio and transaction management. Requires finance experience and fluency in German and English.

Market Development Representative responsible for generating qualified opportunities and pipeline in the DACH region. Requires 1+ years of experience, fluency in German and English, and skills in outbound prospecting.

Develop and improve a global product compliance framework, focusing on substance regulations. Manage the global compliance organization across EMEA, Americas, and APAC, monitoring international legislative developments. Requires a relevant degree and 5+ years of experience in regulated industries.

Develop and maintain web application features using Java/Spring and TypeScript/React. Take ownership from ideation to deployment, ensuring code quality through unit tests and secure practices.

Drive education excellence for PET/MR solutions globally. Lead internal and customer training, develop educational materials, and support the global education strategy. Requires a Master's degree and MRI experience.

Lead the security design team, managing resources and prioritizing initiatives. Oversee external providers and develop company-wide IT security concepts. Requires knowledge of IT-Grundschutz and ISO 27001, plus fluency in German and English.

Head of Marine, Vetting & HSSQE Department to uphold safety and compliance across the fleet. Responsibilities include maintaining IMS, conducting audits, and overseeing operational safety. Requires Master Mariner experience and HSEQ/HSSQE expertise.

Run structured outbound campaigns via cold calls to identify target companies and decision-makers across Europe. Generate qualified leads and book meetings for Account Executives while maintaining accurate CRM data. Native-level English is required.

Process Manager (m/f/d) for DSP at Rentschler Biopharma. Responsible for designing and developing scalable downstream processes for biopharmaceuticals across the product lifecycle. Requires experience in DSP development and knowledge of biopharmaceutical lifecycles.

Senior Medical Science Liaison in Northwest Germany focusing on gynaecological malignancies. Requires advanced scientific/medical degree and minimum 2 years of MSL experience. Conduct scientific exchange and support clinical trials.

Reliable couriers needed for a leading food delivery platform. Deliver food and drinks in Karlsruhe using an E-Bike. Must be 18+, confident cycling in city traffic, and have good communication skills in English or German.

Support the Technical Planning Team by steering workload and workforce processes across Air Power Engineering. This role involves workload planning, reporting, and scheduling for key programs. Requires a Master's degree and experience in technical or operational planning.

Senior Machine Learning Engineer to design, build, and productionize ML systems for a global delivery platform. Develop solutions for supply and demand challenges and optimize logistics algorithms. Requires strong Python coding skills and experience with real-time data streaming on AWS or GCP.

Drive complex, high-stakes programs from development to market across Hardware, Software, and AI. Architect delivery plans, manage cross-functional dependencies, and mitigate technical risks in a fast-scaling environment.

Assembly and Production Operator needed for production and assembly tasks. Responsibilities include operating machines, assembling components, and conducting quality inspections. Technical training is an advantage.

Support passive microwave imaging missions through scientific and technical work on product generation, calibration, and validation. Requires a relevant degree, strong Python skills, and experience with Level 1/2 data processing.

Develop, optimize, and implement ELISA methods. Plan experiments, troubleshoot assays, and document workflows. Requires experience in ELISA method validation and automated pipetting systems.

Senior Digital ASIC Design Engineer Verification role involves creating next-gen semiconductor testing technologies. Responsibilities include RTL coding, verification, and documentation for complex mixed signal ASICs. Requires EE background and experience in Verilog/System-Verilog.

R&D Mechanical Engineer to design and implement custom mechanical tooling and processes. Responsibilities include leading design projects, applying GD&T, and overseeing manufacturing. Requires 5+ years in mechanical design with precision machining expertise.

German-speaking Telesales Agent for a clean energy company. Conduct high-volume outbound calls to agents and brokers, pitching a partnership model. Requires prior B2B sales experience and fluency in German.