react English-speaking jobs in Valladolid

Lead engineering projects for plant modifications, improvements, and new equipment installations across manufacturing sites. Manage cross-functional teams, ensuring projects are completed on time, within budget, and in compliance with regulations.

Project Document Admin & Controller supports Renewable Fuel projects in the Netherlands. Responsibilities include document control system management, document creation and processing, distribution and archiving, quality and compliance, collaboration and communication, and project schedule control.

Sales Representative to promote and sell properties in the Axarquía region, assisting international clients with buying and selling homes.

Senior Mobile Product Manager to own mobile product strategy (iOS-first) and build end-to-end mobile funnels. Drive activation, conversion, monetization, retention, and recurrence. 5+ years in digital product management with B2C mobile app experience required.

Opdenergy seeks an Asset Management professional in Sevilla or Madrid to support project construction and operational performance. Responsibilities include monitoring project performance, ensuring compliance with financing contracts, preparing financial reports, and analyzing project income and costs.

Senior React Developer needed to design, develop, and deploy scalable front-end solutions. Collaborate with product, design, and backend teams to deliver high-quality user experiences. Must have 8+ years of experience as a React Developer with strong experience in React, Next.js, CSS-in-JS solutions, and accessibility standards (WCAG 2.1 AA).

Entry-level Sales Development Representative (SDR) for a fast-growing SaaS startup. Focus on outbound calls to eCommerce brands, qualifying prospects, and booking meetings. Fluent English required, based in Madrid.

Account Manager will drive client success by managing the customer journey, building relationships, and ensuring maximum value from Carts Guru's marketing automation platform. Responsibilities include onboarding, account management, and identifying growth opportunities. Requires 3-4 years of account management experience in tech, native French fluency, and strong English skills.

The National Sales Manager will lead sales strategy and revenue performance across Spain, managing regional sales teams and building relationships with hospital executives. This role involves capital equipment sales, national account strategy, and people leadership.

Lead and architect large-scale SAP S/4HANA transformations and SAP Business AI initiatives for global clients. Define enterprise SAP architecture roadmaps and drive AI strategy, use-case identification, and adoption.

Product Line Manager for Agriculture and Industrial Biotech will define product vision, roadmap, and strategy. Lead market research, competitive analysis, and cross-functional stakeholder alignment. Engage with clients, develop commercial materials, and ensure regulatory compliance. Requires a Bachelor's degree in a relevant field, 3+ years of industry experience, or 2+ years as a product manager. Strong communication, quantitative, and organizational skills are essential. Fluency in Spanish and/or Portuguese and English is required. Willingness to travel is necessary.

Develops testbenches, writes test cases, and simulates, debugs, and analyzes functional coverage for IC and SoC validation. Utilizes tools from Cadence/Synopsys, scripting (Python/TCL), and expertise in SystemVerilog, UVM, and communication protocols. Requires 5+ years of experience and strong people management, communication, and collaboration skills.

FO Agent Trainee provides customer and supplier support via phone, email, and ticketing systems. Resolves issues, manages invoices, and analyzes accounts. Requires strong communication, problem-solving, and organizational skills. Must be proficient in English and have basic SAP and MS Office experience.

Senior Sales Account Executive will manage the full sales cycle, from prospecting to closing, and build long-term client relationships. Responsibilities include acquiring new customers, managing a sales pipeline, and engaging with senior stakeholders.

Data Engineer/Developer to design, develop, and maintain data solutions for energy trading operations. Responsibilities include developing Python tools, collaborating with traders, and deploying cloud-native applications on AWS. Requires expertise in Python, AWS, API integrations, and CI/CD.

IT Project Manager to support and collaborate on telecom network deployment projects. Coordinate deliveries, ensure quality, timelines, and budget control. Experience in telecom, network projects, or technical environments required. Fluent English.

Software Engineer to design, implement, and maintain features for a platform using AI-first engineering principles. Collaborate with the product team on system design and mentor peers. Requires a Bachelor's degree in a relevant field, deep understanding of cloud infrastructure, and strong communication skills in English.

Perform vulnerability analysis and penetration testing on hardware and software products. Analyze source code and use reverse engineering techniques. Minimum requirements include high level of English, self-study skills, and experience in HackTheBox/TryHackme type labs.

Provides administrative support to the HR department for Spain and Germany. Tasks include drafting employment letters, preparing contracts, managing payments, and maintaining reports. Requires a bachelor's degree, fluency in Spanish and English, and experience in an administrative role.

Lead the technical strategy for a self-hosted AI analytics platform serving the European mid-market. Build and manage the engineering team, close enterprise deals, and drive product growth.