react English-speaking jobs in Valladolid

Trading Systems Engineer needed to build high-throughput data platforms and trading systems. Responsibilities include designing, developing, and stress-testing systems handling high trade volume. Requires 2+ years of Python/Rust experience, a quantitative background, and strong problem-solving skills.

Shape the strategic direction of META-Xiii, a company focused on mental well-being. Manage business development, marketing, and sales initiatives. Collaborate on innovative projects and drive market expansion.

Technical Integrations Manager needed to act as the main technical point of contact for partners throughout the integration and live phases. Will provide technical guidance, manage relationships, and coordinate with tech teams. Requires broad technical knowledge, proven account management experience, and excellent communication skills.

Senior Credit Analyst will manage credit decisions for regulated funds, including high-risk portfolios. Responsibilities include exercising credit delegation, conducting due diligence, and monitoring risk exposures. Requires a Master's degree in a relevant field and 10+ years of credit/counterparty risk experience.

The Operational Excellence Specialist drives process improvement and efficiency across logistics operations. This role analyzes workflows, implements Lean and Six Sigma methodologies, and collaborates with teams to optimize performance, enhance inventory management, and reduce waste. The specialist ensures compliance with regulations while monitoring KPIs and leading continuous improvement initiatives.

Reservation & Revenue Trainee provides customer service, manages reservations, and assists with guest requests. Analyzes data, monitors market trends, and supports revenue management strategies. Requires a bachelor's degree in hospitality or related field and fluency in English and the local language.

Executive Assistant to the CEO provides administrative support for strategic and operational activities. Responsibilities include document preparation, research, presentation creation, and project coordination. Requires proven experience as an Executive Assistant, strong organizational skills, and fluency in German, English, and Spanish.

Project Leader Installations coordinates international installation projects from preparation to completion. Responsibilities include managing budgets, contracts, client communication, and installer coordination to ensure projects meet timelines, quality standards, and client expectations.

Investor Relations Intern will support the department with tasks including preparing marketing materials, managing the CRM system, and preparing analyses and reports.

Lead end-to-end SAP MDG delivery including design, implementation, and stabilization across key master data domains. Drive data governance initiatives and streamline master data processes.

Dutch or German-speaking Account Executive to own the full sales cycle for SMB clients, developing advertising strategies and managing client portfolios. Requires experience in digital advertising sales, B2B account management, and CRM tools.

Iberia Tech seeks an experienced Senior Network Specialist to design, operate, and evolve hybrid network architectures integrating AWS and on-premise environments. Responsibilities include managing network services, leading projects, and providing technical guidance. Requires +5 years of networking experience, strong AWS knowledge, and experience in enterprise environments.

Manage the full sales cycle for At-Home Sampling, Market Research, and Social-Influencer Services for Food & Beverage brands in the Spanish market. Develop and nurture relationships with partners, identify prospects, and manage the sales pipeline.

Embedded Software Engineer Intern will design and test real-time software for space-grade hardware. Responsibilities include developing embedded software for data acquisition, telecommand, telemetry, and actuator control, as well as integrating and validating communication interfaces.

Medical Doctor specializing in integrative medicine and therapeutic fasting. Provides individualized care, oversees fasting processes, and collaborates with a multidisciplinary team.

Experienced Game Designer sought for core gameplay mechanics in high-action mobile games. Focus on moment-to-moment interactions, pacing, and fun factor. 5+ years experience required, level design background a plus.

Develop and deliver software services, write efficient code, and provide technical solutions. Collaborate with a team to ensure alignment and execution of tasks. Stay current with industry trends and support ongoing maintenance efforts.

Customs Compliance & Operations Manager needed for a new business entity in Zaragoza. Expert customs knowledge and technical support to operational teams are required. Responsibilities include AEO authorization management, relationship with Spanish Customs and Tax administration, and analysis of customs flows and processes. The role requires a university degree in tax & legal or Spanish Customs administration, at least 5 years of customs experience, and fluency in English and Spanish.

The Lifting Appointed Person (AP) plans, organizes, and supervises lifting operations, ensuring safety, regulatory compliance, and adherence to company standards. This role coordinates with engineering, construction, and HSE teams, develops risk assessments, and verifies safe conditions. Requires CPCS A61 or equivalent certification and training in LOLER, Safe Systems of Work/RAMS.

Customer Success Agent will onboard new EF English Live students, provide platform support, and ensure student engagement. Responsibilities include hosting webinars, managing student payments, and resolving technical or teacher-related issues. Must be a native German speaker with advanced English communication skills and a passion for customer experience.