react English-speaking jobs in Valladolid

Partner to the CEO, owning people operations and execution as a product. Build and scale people systems, embed execution discipline, and lead recruitment.

Provide technical assistance for clean energy and climate-related infrastructure projects in developing countries. Services include sector assessments, project preparation, environmental and social advisory, climate risk assessments, and capacity building.

Junior Project Manager to manage multi-laboratory projects, ensuring on-time delivery, high quality standards, and excellent customer satisfaction.

Leads United Imaging's Iberia region growth strategy across radiology, cardiology, oncology, and AI. Responsible for P&L, compliance, team leadership, and customer relationships. Requires 15+ years of healthcare technology leadership, with 8-10 years in commercial management and deep Iberian market knowledge.

Expert Engineer in Carbon Capture needed to develop and implement carbon capture systems. Requires 10+ years of experience in the carbon capture value chain, including CC projects. Proven experience in developing conceptual studies, basic engineering or FEED for Carbon Capture technologies.

Experienced Procurement Manager needed to develop and deploy European Packaging category strategy, optimizing TCO and value across sub-categories.

Provides operational support for the Cybersecurity Portfolio, standardizing processes, tracking resource allocation, and generating reports for executive oversight.

Power Electronics Design Engineer to design, develop, and qualify advanced power subsystems for spacecraft platforms. Responsibilities include schematic design, component selection, circuit simulation, and thermal/radiation analysis. Requires a Bachelor's or Master's degree in Electrical Engineering, Electronics, or related field and 3+ years of experience in power electronics design.

Lead Product Designer to guide complex client projects from ideation to launch. Strong visual design skills and experience leading multidisciplinary teams are essential.

Innovation Manager will partner with the Innovation Director to execute and scale innovation initiatives in Spain and internationally. The role involves translating strategy into roadmaps, designing and testing products and services, and supporting the adoption of AI in business processes.

Senior Project Manager to lead medium to large-scale investment accounting & administration projects. Requires 10-15 years of experience managing multi-functional, multi-geography projects in financial institutions, including 3 years with scrum/agile methodology. PMP or similar certification and fluency in English are required.

Impress, a European direct-to-consumer teeth-aligner startup, seeks a Health & Safety Specialist. The role involves ensuring compliance with regulations across all Spanish locations, preparing risk evaluations and prevention plans, managing inspections and training, and collaborating on health and safety campaigns.

The Chief Operating Officer will lead global operations and execution across product, AdTech, and mobile gaming business units. The COO will partner with the CEO and Board to scale the organization while maintaining speed, accountability, and a strong product-driven culture.

This unpaid internship offers a 10-week virtual experience focused on investment banking skills development. The program includes two weeks of intensive training led by industry experts covering financial modeling, valuation analysis, and research strategies. Interns then work on live projects with a Managing Director or Partner at a boutique investment bank partner for eight weeks.

Junior Assistant Designer to contribute to global collections. Assist with trend research, fabric sourcing, sample development, and technical documentation. Recent graduate in Fashion Design or related field required.

Temu seeks a Business Development Manager with 5+ years of experience in brand management or platform operations. The role involves recruiting and developing partnerships with merchandise partners, guiding their growth on the platform, and conducting market analysis to inform strategy. Strong data analysis, problem-solving, and communication skills are essential.

The Carlos Simón Foundation seeks an Administrative/Accounting professional to support the Finance and Administrative Department. Responsibilities include general accounting tasks, invoicing, tax preparation, administrative support, and process improvement. Two years of experience in a similar role is required.

Designs and delivers technical solutions for energy storage systems, including BESS, PCS, and EMS components. Analyzes customer requirements, evaluates technical feasibility, and prepares technical documentation and proposals. Collaborates with cross-functional teams and serves as a technical point of contact for customers.

Program Manager – M&A Integration will plan, drive, and execute post-merger integration of acquired companies, ensuring alignment with business objectives and synergy targets.

Leads and manages EU regulatory activities for Active Substances, substance defense, and related dossiers. Ensures compliance with EU regulatory systems and frameworks. Prepares, reviews, and manages regulatory dossiers and technical documents. Collaborates with cross-functional teams on regulatory initiatives.