react English-speaking jobs in Valladolid

Lead the digital sustainability strategy implementation for a client, bridging the gap between sustainability and IT teams. Translate ESG objectives into technical requirements, design data tools, and ensure compliance with IT standards and regulations.

Native German speaker needed for Pre-Sales Specialist role. Conduct outbound calls, generate leads, and introduce products. Experience in telemarketing, customer service, or sales required.

Penetration Tester (Mid-Level) for long-term onsite project in Madrid. Lead and execute penetration testing across web, cloud, and internal networks. Identify vulnerabilities using tools like Burp Suite and OWASP. Collaborate with stakeholders to explain risks and support remediation efforts.

Drive sales growth and strategic partnerships for an innovative mobile communications company. Focus on IoT connectivity, eSIM, and secure networking solutions. Secure enterprise clients and navigate both short and long sales cycles.

Provides in-house Health & Safety expertise for renewable energy projects and operational assets. Ensures compliance with legislation, company standards, and the Health & Safety Management System. Supports construction and operational teams, coordinates with contractors, and promotes a strong preventive culture.

Senior Markit EDM Developer will design, develop, enhance, and support Markit EDM solutions. Responsibilities include developing workflows, rules, jobs, and data models, configuring EDM components, and integrating EDM with upstream/downstream systems. The role requires strong development skills, deep understanding of EDM data models, and collaboration with Business Analysts.

Head of Operations will design and implement corporate structures for proprietary trading across multiple jurisdictions. Responsibilities include managing relationships with exchanges, brokers, and tax authorities, establishing transfer pricing policies, and monitoring regulatory developments.

Enable high-performing Agile teams across transformation and operations initiatives. Facilitate sprint ceremonies, remove impediments, and foster continuous improvement within distributed, cross-functional teams.

Administration Assistant needed for a multinational ICT company. Supports business process development, monitors workflow, manages data and communication. Requires a degree in a related field, 1-3 years of experience, and fluency in English, Spanish, and Chinese.

Independent Sales Partner sought for Europe (Germany, France, UK) to drive commercial expansion with oil majors, fuel distributors, and terminal operators. Commission-based role with regional exclusivity. 15+ years in downstream oil & gas required.

Data Platform Engineer needed to support and evolve Azure Databricks environments. Focus on platform engineering, operations, automation, and Unity Catalog management. Requires 3-5+ years of experience with Azure Databricks and Unity Catalog.

Portfolio Manager will plan, analyze, and coordinate projects within the development and commercial portfolio. Responsibilities include preparing strategic materials, performing portfolio analyses, and coordinating with cross-functional teams.

Huawei seeks a Solar Service Team Intern for a 6-month, full-time paid internship in Madrid. Interns will gain hands-on experience with the operation of a large-scale PV plant, including panels, inverters, and monitoring systems. Responsibilities include installation training, start-up instructions, operating instructions, troubleshooting, and ticket management.

Senior Functional Tester with +5 years of experience in functional testing and strong SAP SD knowledge. Validate data flows, identify issues, and collaborate with developers and product teams.

Customer Operations Specialist needed for multilingual team in Barcelona. Manage customer service requests, including order status, repair/calibration requests, and product returns. Resolve customer issues and interface with various stakeholders. Must be bilingual in German or Nordics and English with 3+ years of experience in a fast-paced customer service environment.

Director of unit to lead and manage the Biofabrication Unit, overseeing R&D&I projects and defining the unit's scientific and technological roadmap. Requires PhD in a relevant field, experience managing companies or business units, and grant management experience.

The MOC Fleet Engineer monitors and manages deferred fleet defects in AMOS, ensuring timely resolution planning and liaising with the Operational Control Centre on limitations and operational restrictions. The role involves technical consultations with manufacturers, processing MEL and non-MEL extension requests, and supporting MEL usage and troubleshooting processes.

Lead product development (TRL 4-5) transforming materials and concepts into scalable products. Define electrode architecture, performance, and operating limits.

Senior Engineer to design and build core systems for an autonomous voice agent platform. Responsibilities include real-time voice pipelines, LLM orchestration, telephony integrations, and CRM connectors. Requires 5+ years of backend systems experience (Node.js, Python, Go), Twilio, and voice infrastructure expertise. Full stack capability and strong systems thinking are essential.

Project Development Manager will support the development of Wind, PV, BESS, and CDPs projects in Spain from early stage to construction. Responsibilities include permitting, land acquisition, and stakeholder management. Requires 3-4 years of experience in renewable energy project development in Spain, including RTB and COD processes. Fluency in Spanish, English, and Catalan is required.