ruby English-speaking jobs in Düsseldorf

Bioleaching Scientist to design and execute experiments on minerals, concentrates, and industrial residues. Optimize leaching performance and build mass balances. Analyze leach liquors using ICP-OES/ICP-MS, titration, HPLC/IC. Collaborate with TU Berlin on integrating leachates with separation concepts.

Vice President to manage cross-border M&A and ECM transactions, advise clients, prepare pitches, and mentor junior team members. Requires 6-10 years of experience in M&A/ECM/Corporate Finance, strong modeling and analytical skills, and fluency in German and English.

The Operations Finance Manager leads the financial function for Operations Finance, including the Leuna facilities. The role provides strategic financial guidance to support the business in achieving its financial targets and driving overall performance and profitability. Responsibilities include collaborating with Supply Chain, manufacturing site leadership, and European Finance to ensure financial performance accountability, managing internal financial reporting and compliance, and partnering with the team to achieve cash flow objectives. The role also includes managing the budget and forecasting process, cost accounting, inventory management, and month-end close activities.

The Institute for Medical and Pharmaceutical Examination Questions seeks a 2nd Level IT Infrastructure System Administrator to design, monitor, and develop IT infrastructure. Responsibilities include planning, setting up, and administering servers, networks, virtualization, and storage systems, as well as implementing and operating IT security measures.

This 24-month graduate program provides structured experience in Controlling & Finance, including international placement. You will gain hands-on experience in financial processes, analyses, reporting, and process improvement. The program includes mentoring, feedback, and a clear development path leading to a key role after completion.

DevOps Engineer to build, integrate, and evolve a Kubernetes-based Application Tier for research applications. Experience with Kubernetes, Terraform, Helm, and cloud networking is required.

DYWIDAG seeks a Civil Engineer / Construction Technician to manage wind tower projects in Northern Germany. Responsibilities include project preparation, scheduling, resource planning, cost monitoring, and customer coordination. Requires a relevant degree, experience in construction, proficiency in PC applications, and strong communication skills.

Lead Developer Engineer (m/f/d) will design and implement a cloud-native, multi-tenant, secure asset monitoring platform for distributed fiber optic sensing solutions. You will build robust platform components, data models, interfaces, and APIs. You will evolve the application platform architecture to support field applications. You will engage with application teams to understand their needs and provide technical leadership.

Thesis student in the Charging Interfaces Team will investigate and implement a charge communication controller as a software component for electric vehicle charging.

The General Project Manager leads cross-functional projects, ensuring alignment and delivery across all workstreams. Responsibilities include defining project scope, managing budgets and timelines, and coordinating with stakeholders and external partners.

Software Engineering Intern will design embedded software and development tools for testing products. Responsibilities include planning and executing software projects, designing and implementing hardware and software, and documenting work. Must have a degree in a related field, proficiency in C programming, and knowledge of software engineering processes.

Business Development Representative will develop and execute sales plans to achieve targets and expand the enterprise customer base. The ideal candidate will have 2-3+ years of B2B sales experience in tech, fluent German (native speaker level), and a proven track record of meeting or exceeding sales targets.

Supplier Development Manager evaluates and qualifies global suppliers, driving improvements in scalability, cost-efficiency, and delivery reliability. Analyzes supplier processes and KPIs, implements risk reduction measures, and ensures supply chain compliance.

Lead development efforts for the AUGENTIC software platform "Qomitto". Balance strategic leadership with technical oversight, ensuring a team of 20 developers operates efficiently. Design, optimize, and manage the full software development life cycle. Drive the ScrumBan model and manage release cycles. Maintain technical proficiency and supervise testing strategies.

The Scientist - Field Applications provides technical support and education to customers, ensuring successful adoption of Archer's NGS product lines. This role involves conducting trainings, troubleshooting issues, and providing pre-sales technical consultation.

Genmab seeks a Medical Science Liaison (MSL) / Senior MSL to provide scientific expertise and medical/scientific exchange on hematology and oncology products in Southwest Germany. The role requires a strong clinical/scientific background, excellent communication skills, and fluency in German and English. Responsibilities include building relationships with healthcare professionals, providing clinical information, gathering insights, and supporting clinical trials.

Head of R&D for low-voltage cable accessories up to 1 kV. Manage a team of three, lead new development and optimization projects, and create 3D designs. Requires a mechanical engineering degree, CAD expertise (Creo), and knowledge of relevant testing standards.

The Development Program Lead (DPL) manages the strategic and operational aspects of drug development programs from early stages to approval. The DPL collaborates with cross-functional teams, oversees implementation, and serves as the central point of contact for the Steering Committee and external partners.

Operates CNC machines to produce high-precision components, ensuring parts meet exact specifications and quality standards. Requires vocational training as a CNC machinist or similar, experience in CNC operation, and the ability to read technical drawings. Must understand tolerances, work precisely, and adhere to processes. Willingness to work shifts between 6am and 10pm, Monday-Friday, is required.

As Senior Talent Acquisition & Employer Branding Specialist, you will manage the full recruitment process, build a talent pipeline, and act as the company's voice in the talent market. You will develop and execute employer branding activities, partner with hiring managers, and ensure a positive candidate experience.