react English-speaking jobs in Valladolid

Finance Specialist to review, validate, and create financial content for AI model training. Responsibilities include identifying errors, biases, and hallucinations in financial outputs, designing training datasets, and evaluating AI-generated financial responses. Requires a Bachelor's or Master's degree in Finance, Accounting, Economics, or a related field and strong understanding of core financial concepts.

Akens \ Nordburg seeks a Java Developer to design, develop, and maintain backend systems using Java and Spring Boot. Responsibilities include building reactive applications, implementing event-driven architectures, and integrating databases.

QA Specialist to ensure compliance, product integrity, and operational excellence in a new pharmaceutical facility. Review and approve qualification/validation documents, maintain aseptic techniques, and provide QA oversight for CQV activities.

Graphic Designer needed to define and evolve Vacway's visual identity across all channels. Design marketing materials, website assets, and social media content.

Sets the sales strategy for Xiaomi AIoT products in Spain, ensuring product launch readiness and managing business planning. Responsible for meeting sales and margin guidelines, driving product portfolio decisions, and identifying market opportunities. Collaborates with cross-functional teams to execute GTM strategies and ensure smooth product launches.

Payroll Coordinator will manage end-to-end payroll processing across multiple countries, ensuring compliance with labor and tax regulations. The role involves collaborating with payroll providers, reconciling payroll data, and preparing HR cost reports. Requires 5+ years of experience in payroll and HR controlling, strong analytical skills, and proficiency in English.

Territory Account Manager will drive short to mid-cycle sales opportunities for high-density liquid cooling and intelligent rack power solutions in the Spanish data center market.

Lead local & international insights & strategy projects for international FMCG clients. Manage qualitative & quantitative research projects, analyze data, and present actionable insights. Minimum 15+ years of insight experience in leading FMCG's required.

Data Scientist with 3+ years of experience needed to design, build, and deploy predictive models. Strong quantitative background and Python skills required.

Manage high-volume inbound and outbound sales motions across all stages of the sales funnel via phone, email, video, and social media outreach for B2B. Document prospect and customer interactions on Salesforce and transition qualified leads to the onboarding team.

Regional Key Account Manager will manage and develop sales of dealcoholisation solutions for the wine and spirits production sector. Responsibilities include prospecting new clients, managing existing client relationships, providing technical and commercial advice, and collaborating with internal teams.

Validate power converters and control systems, ensuring product reliability and compliance with international standards. Analyze test results, automate tests, and collaborate with engineering and quality teams.

Lead the development of utility-scale BESS projects in Spain from site identification through financial close. Manage technical, commercial, and regulatory aspects, ensuring alignment with company strategy and investor expectations.

This is a new-business sales role focused on building a partner portfolio from zero. You will prospect, pitch, and close new venue partners across hospitality, F&B, nightlife, and lifestyle.

Data Engineer to design, develop, and maintain ETL pipelines using Azure Data Factory, Databricks, and Spark for a German automotive client.

Field Service Engineer needed for TOMRA Food in Madrid or vicinity. Perform commissioning, operation, testing, integration, optimization, and maintenance of equipment. Collaborate with customers on-site and provide consultancy. Requires 5+ years of field service experience, fluency in Spanish and English, and the ability to travel 80% of the time.

The Clinical Marketing Specialist – Blood Gas develops and executes clinical marketing strategies to strengthen the clinical value and scientific evidence of the Blood Gas portfolio in Iberia. The role translates clinical data and customer needs into impactful value messages, tools, and educational initiatives. The specialist collaborates with sales, service, and medical affairs teams to provide clinical support and training.

Senior Java Developer needed for a global technology organization. Design, build, and maintain high-performance applications. Collaborate with cross-functional teams and mentor junior developers.

IT Support Specialist will provide primary IT support for Spain and other European offices, managing hardware, software, and network issues. Collaborate with the Singapore IT team on end-user support, infrastructure setup, and security compliance. Manage IT assets, provide training, and assist with IT projects.

Datacenter Network Technician will perform fiber testing, cabling, and installation. Support network and server teams with rack and stack, circuit migration, and maintenance. Conduct failure analysis, perform functional testing, and update IT ticketing systems. Experience with server provisioning, troubleshooting, and fiber optic testing is required.