react English-speaking jobs in Valladolid

Senior ML Security & Robustness Engineer will design, test, and deploy secure and resilient ML systems. Responsibilities include developing adversarial defenses, securing ML artifacts, implementing privacy-preserving learning techniques, and collaborating with research and product teams.

The IT Client Service Owner, Associate monitors SNOW tickets, manages ServiceNow functionalities, and oversees approvals. They prepare reports, support audits and compliance, coordinate maintenance, and provide project support. The role requires strong communication, problem-solving, and technical skills.

FP&A Manager needed to lead financial planning, budgeting, and forecasting for a fast-growing technology group. This role focuses on post-merger integration, financial process standardization, and performance tracking across multiple business units. Requires 5+ years of FP&A experience, including company integrations, and proficiency in financial modeling and Excel.

Nae seeks a B2B specialist consultant with 7+ years of experience in the telecommunications sector. The consultant will analyze market trends, support service line development, and participate in consulting projects for Telco clients.

The Event Operations Manager plans and delivers DCD's live events across LATAM. Responsibilities include venue and exhibition management, AV and production, stakeholder coordination, and overall customer experience. The role requires strong organizational, administrative, and problem-solving skills, as well as fluency in English, Spanish, and Portuguese.

The European Training Foundation (ETF) is seeking Migration and Labour Mobility experts for project-based assignments across Europe. Applicants must have a Master's degree or higher and relevant professional experience.

Firmware Engineer will capture software component requirements, propose functionality, develop, test, and integrate assigned components. Responsibilities include bug fixing, documentation, and utilizing programming technologies such as C, C++, Python, TCL, and Qt-QML.

QA Automation Engineer specializing in mobile applications (Kotlin & Swift). Design, develop, and maintain automated test scripts. Collaborate with teams to ensure high product quality.

Freelance SAP Logistics Consultant needed for ECC to S/4HANA transition. Support and improve SD, MM, WM, and EWM processes. Ensure seamless Order to Fulfillment integration.

Develop and maintain customer-facing web applications and backend services. Integrate Large Language Models (LLMs) using frameworks like LangChain to create innovative AI solutions. Experience with React, TypeScript, Node.js, and cloud technologies like Google Cloud Platform is required.

Finance Trainee to support daily accounting and financial operations at a luxury hotel. Assist with revenue control, accounts payable and receivable, audits, and financial reporting. Must have a Bachelor's degree or ongoing studies in Finance, Accounting, or related field. Fluency in English and basic Spanish required.

As a 3D Visualiser, you will create photorealistic renderings, animations, and flythroughs of commercial interior projects. You will translate design concepts into compelling visuals for RFPs, presentations, and client communication.

Experienced SAP Central Finance Consultant needed to support design, implementation, and optimization of Central Finance solutions. Expertise in SAP S/4HANA, Intercompany Reconciliation (ICMR), and financial processes required.

Clinical Trial Assistant needed with 2+ years of experience managing TMFs in clinical trials. Responsibilities include overseeing TMF setup, maintenance, and close-out, assisting with document collection and tracking, and providing administrative support to the clinical operations team. Requires a Bachelor's degree in Life Sciences or related field, experience with billing/financial management in clinical trials, and familiarity with SAP.

Service Engineer for Mobile Cranes provides on-site and remote technical support, performing commissioning, maintenance, and repair of crane equipment.

Freelance Project Planner needed for industrial and EPCM projects in Italy. Develop integrated project plans, define project structure and milestones, and analyze dependencies and risks using Primavera P6 and MS Project. Bachelor's degree in engineering, Project Management, or related field required. At least 5 years of experience in project planning within industrial, EPCM, or infrastructure environments. Fluent in Spanish; English and/or Italian a plus.

Native or bilingual English teachers with afternoon availability needed for a fast-growing academy in Madrid. Small groups (max 8 students), 100% English immersion, and a dynamic, gamified methodology focused on communication and real results.

AMS Business Quality Operations Specialist ensures cybersecurity compliance for a leading international telecommunications company. Responsibilities include producing monthly cybersecurity reports, conducting internal audits, identifying and resolving compliance issues, and managing daily task progress.

This role supports a global HR compliance initiative by locating, organizing, and reviewing historical employee records for accuracy. Requires strong organizational skills, attention to detail, and the ability to work independently.

We seek an SMM Manager to manage daily social media operations, including content publishing, link placement, monitoring, and performance tracking. Requires proven social media management experience, understanding of content workflows, and proficiency with social listening and monitoring tools.