ruby English-speaking jobs in Düsseldorf

Drive new logo acquisition for Check Point's Infinity platform within strategic enterprise accounts in Germany. Build executive relationships, present solutions, and lead negotiations to close deals.

The Chief Operating Officer will orchestrate the company's growth model development and implementation. The COO will represent the company to investors and partners, collaborate with the CEO on strategic direction, and oversee marketing, business development, and customer support. The ideal candidate has experience in the crypto, blockchain, fintech, or DeFi space, strong understanding of blockchain technology and cryptocurrency markets, and experience scaling startups.

Lead the Supply engineering team, shaping the roadmap and ensuring predictable, high-quality delivery. Guide system design, review code, and contribute to continuous improvement. Hire and onboard engineers, collaborate with stakeholders, and advocate for AI-driven engineering practices. Several years of experience leading software engineers in a product-led B2C or marketplace environment is required.

Partner in Business Solutions and Business Development for the insurance industry. Drive co-creation of new products and solutions, analyze processes, and propose business value to North European customers. Minimum 8 years of experience providing IT solutions to insurance companies and a deep expertise in Core Insurance software are required.

Lead Mechanical Engineer to design and deliver mechanical building services for complex industrial, high-tech, and cleanroom projects. Provide technical leadership for HVAC, ventilation, cleanroom, and building services engineering.

Project Manager for climate protection projects, leading technical design, planning, and implementation of initiatives such as renewable energy deployment and carbon reduction programs.

Research Assistant positions available at the Institute for Software and Systems Engineering (ISSE) at Clausthal University of Technology. Focus on AI-based platforms and matching systems for the circular economy. Responsibilities include requirements definition, research project conception, and development of AI-supported solutions. Applicants must have a Master's or Diploma in computer science, software systems engineering, digital technologies, or a related field. Strong knowledge of programming languages, object orientation, machine learning, and both written and spoken English and German are required.

Galaxus seeks a Ramp-up and Integration Lead to manage the commissioning and testing phases of a new logistics system. The role involves coordinating technical activities between engineering, project management, and operations, tracking risks and defects, and ensuring smooth system implementation.

Promote a positive health, safety, and environmental culture across construction projects. Carry out site inspections, audits, and risk assessments. Develop, review, and implement HSE procedures and site-specific documentation. Investigate incidents and ensure corrective actions are implemented. Maintain accurate HSE records and statutory documentation. Liaise with clients, subcontractors, and relevant authorities on HSE matters.

Drives bioprocess channel and direct sales across EMEA. Shapes and executes sales strategies, manages channel partners, and provides technical sales support for upstream bioprocessing.

Sales Consultant to manage sales and customer development activities for cold rolled steel strip products in Germany. Requires minimum 4 years of experience in the flat steel industry with direct customer interaction and fluency in English and German.

Experienced CSA Project Manager needed for a major data centre development in Berlin. Lead delivery of civil, structural, and architectural works, manage subcontractors, and coordinate with design, engineering, and commercial teams.

The Chief Technology Officer (CTO) will define and own the company's long-term technology strategy, design the enterprise target architecture, and drive technical decisions. This role requires extensive experience as a CTO, Chief Architect, or similar senior technology leadership role with proven ownership of enterprise architecture for large-scale software products.

Apply your IFRS expertise to complex accounting topics within a global environment. This role focuses on IFRS 3, IAS 36, and IAS 38, ensuring compliant and timely consolidated financial reporting for the Home Comfort subgroup. You will provide technical guidance to auditors and internal stakeholders, track IFRS developments, and contribute to process improvements.

System and software test engineer to join a team developing the Advantest V93000 SOC test system. Responsibilities include designing, implementing, debugging, and executing manual and automated tests, collaborating with development teams, and improving test approaches. Must have a bachelor's or master's degree in a related field, experience in software development with a focus on testing and automation, and strong understanding of digital electronics and Java.

Lead end-to-end development and operationalization of Machine Learning models within a team. Translate business requirements into technical specifications and present results. Write maintainable code, mentor junior team members, and continuously improve tooling and development practices.

Support brand identity, visual design, layout, image management, and key visual creation. Collaborate with the Creative Director, designers, and media production team. Create and adapt layouts for various materials, adhering to brand guidelines.

Junior Treasury Manager (m/f/d) Liquidity, FX and Working Capital Optimization will support the optimization of working capital structures in a dynamic energy trading environment. Responsibilities include supporting liquidity and collateral management, preparing forecasts and analyses, monitoring FX exposure, and enhancing transparency.

Senior Design Engineer to lead the design and optimization of bespoke aluminium facade systems for complex construction projects. Requires 10+ years' experience designing facade systems, a relevant engineering degree, and proficiency in CAD software.

Lead the strategic and operational growth of a utility-scale battery energy storage systems (BESS) division. Manage a team, develop sales and business strategies, and drive the acquisition of large-scale projects.