react English-speaking jobs in Valladolid

The Buyer executes purchasing strategies for assigned commodities, manages supplier relationships, and ensures operational performance KPIs are met. The role requires 3+ years of purchasing experience in manufacturing, fluency in English and Spanish, and strong communication and negotiation skills.

Sales Assistant to support Human Nutrition team in Barcelona. Responsibilities include managing purchase and sales orders, handling order queries, and tracking expense forecasts. Requires proficiency in SAP or MS Dynamics F&O, Microsoft Office Suite, and fluency in English, Spanish, and Catalan.

Junior Clinical Data Scientist will develop research study protocols, statistical analysis plans, and analytic strategies. Responsibilities include data cleansing, support in developing NLP models, performing statistical analysis, and presenting results. Requires a strong quantitative background and programming skills in Python.

Junior Payroll Specialist will support multi-country payroll processing, data preparation, and reconciliations. Assist with payroll compliance, documentation, and process improvement. Requires 1-2 years of experience in payroll, HR, accounting, or finance operations.

Proposal Manager will lead the preparation and coordination of proposals for large-scale intralogistics and automation systems. This role involves transforming customer requirements into structured and competitive system solutions, managing bid projects, and coordinating interdisciplinary teams.

Leads user acquisition strategy for a portfolio of mobile games, maximizing ROAS and growing a high-performing team. Designs and implements UA strategies, identifies growth levers, and builds scalable media buying processes.

Manages all aspects of production, including planning, maintenance, personnel, and safety. Coordinates with corporate headquarters and the sales team to ensure production goals are met. Implements and improves production processes and identifies equipment and personnel needs.

Einhell España seeks an experienced E-commerce Manager to lead digital expansion, with a focus on Amazon and online retailers. Responsibilities include developing and executing e-commerce growth strategies, managing the Amazon account, and analyzing key performance indicators.

This role involves managing daily administrative procurement activities for office supplies, IT equipment, facility services, and other operational needs. Responsibilities include supplier sourcing, contract review, order placement, and performance monitoring. The ideal candidate has a Bachelor's degree, 3+ years of experience in administrative procurement, and fluency in Spanish and English.

Quality Assurance Technician will develop and execute supplier audit plans, conduct internal and external audits, and manage supplier technical documentation. Must have a university degree in a related field, strong English and Spanish communication skills, and experience in ISO 9001 auditing.

Account Manager (SaaS) to manage and drive sales engagements with mid to large-size retail accounts and strategic partners. Requires senior sales experience (+4 years), experience with enterprise clients, SaaS environments, and integrations. Spanish and English required.

Senior Fullstack Developer with 7+ years of experience in Telecom, proficient in React, TypeScript, Golang, Node, MariaDB, Elastic Search, Docker, Kubernetes, AWS/GCP, and Github Actions. Experience with practical AI usage in development and quality-driven development practices is required.

Fides, an Italian IT and Cloud consulting company, seeks a Sales Director to lead commercial growth in Spain. The role involves managing the sales team, driving the commercial strategy, and developing new business opportunities. Requires 10-15+ years of experience in IT services/technology consulting, a proven track record in enterprise B2B sales, and leadership experience. Native/fluent Spanish is required, English is preferred.

Support strategic consulting projects for pharmaceutical, biotech, and med tech companies using AI-driven solutions. Translate business problems into AI solutions and communicate technical approaches to non-technical stakeholders. Design and build Python-based data pipelines and automated workflows.

Sales Director to lead a team and drive new business acquisitions and account expansion in the hospitality sector. Requires 4-5+ years of sales leadership experience, experience selling software to hospitality clients, and the ability to manage a sales pipeline.

Data Engineer to design, develop, and maintain data pipelines for a central data platform. Experience with SQL, Python, AWS, and data management technologies required.

Project Engineer needed for 6-9+ month contract in Bilbao, Spain. Focus on design of cooling, boiler, process, and wastewater treatment systems. Experience with membrane technologies (RO, NF, UF, MF) required. Must have Spanish fluency and English B2 communication skills.

Support and grow Glovo's portfolio of specialty shop partners. Onboard new partners, maintain partner information, and build strong relationships. Track partner performance, analyze KPIs, and drive improvements. Collaborate with colleagues to ensure operational efficiency and customer satisfaction.

Senior Client Advisor for Etro's Barcelona boutique. Provide exceptional customer service, product knowledge, and brand expertise. Drive sales, build customer relationships, and contribute to store goals.

Hotel Manager to support the leadership and operational excellence of Casa METT Sitges. This role reports to the General Manager and will oversee the operational, financial, and strategic performance of the hotel.