factory English-speaking jobs in Castile and León

Persán, a multinational company in home and personal care products, seeks a highly involved intern to support various departments including R&D, Operations, Procurement, IT, Packaging, Finance, and Marketing.

Fullstack AI Engineer will architect and build end-to-end AI applications, fine-tune models using LangChain or LlamaIndex, and write scalable code in Python and TypeScript.

The Senior Supply Planner ensures product availability, balancing cost, service level, and cash flow. Responsibilities include managing purchase orders, inventory levels, supplier relationships, and safety stock strategy. Requires 3+ years of planning experience, a master's degree, and fluency in English.

Guide and mentor an engineering team, architect and design scalable MarTech solutions, and lead technical project implementation. Collaborate with product managers, marketing teams, and stakeholders to align technical strategy with business goals.

System Accountant needed to provide technical support, training, and process improvements for finance systems. Responsible for system compliance, data integrity, and collaborating on projects with IT, operations, and vendors. Requires finance qualification, experience with finance systems, and strong communication and analytical skills.

Client Engagement Manager will work with clients and partners to maximize platform adoption and drive results. Requires 3-5 years of experience in Customer Success, Account Management, or similar roles, fluency in English and Spanish, and experience in a SaaS company.

Glovo's 2026 Tech Grad Program seeks Junior Android Engineers to develop cutting-edge tech solutions. Successful candidates will have a Bachelor's or Master's degree in a related field, or a coding bootcamp certificate with relevant experience. Must have coding experience in Kotlin, Java, or React Native, strong problem-solving skills, and fluency in English.

Designs, implements, and productionizes AI systems for enterprise use cases. Focuses on building reliable AI workflows, developing experimentation frameworks, and optimizing language models.

Booking Manager/Assistant needed for fast-growing holiday rental company. Manage bookings, communicate with guests, coordinate arrivals/departures, and provide administrative support.

Tradebe Health & Nutrition and Tradebe Life Sciences seek a Financial Planning and Analysis Accountant to support financial planning, forecasting, and analysis for the Health and Nutrition and Flavors and Fragrances businesses. The role involves partnering with business units to provide insights into performance, preparing budgets and forecasts, and conducting ad-hoc analysis.

Accounts Receivable Specialist needed to manage customer accounts receivable and credit processes. Responsibilities include applying cash, resolving payment issues, and handling collections. Requires 1-2 years of experience in AR or related finance roles, fluency in English and German, and proficiency with ERP systems.

Customer Service Specialist needed for a dynamic international team in Málaga. Respond to inbound customer calls in German and English, assist with bookings and travel inquiries, and ensure customer satisfaction. Minimum 1 year of sales experience required.

Senior QA Automation SDET will develop and execute test automation strategies for a complex web application built on Java and Angular in an AWS environment. Responsibilities include designing test cases, integrating QA into CI/CD pipelines, mentoring developers on testing practices, and monitoring production issues. Requires extensive experience in Java, TypeScript/JavaScript, and automation frameworks.

Experienced Private Wealth Adviser needed to build and manage relationships with high-net-worth clients, providing comprehensive financial planning and investment advice. Requires Level 4 & CYSEC qualifications and proven success in wealth management.

Develop and own RISC-V MCU value proposition, translate technical specifications into customer benefits, and position products against ARM-based MCUs and other RISC-V vendors. Lead technical go-to-market strategies for new silicon platforms, create marketing collateral, and collaborate with sales, FAEs, and product management.

Content SEO Intern (French Market) will optimize French website content for SEO, conduct keyword research, and monitor performance. Must be a French native speaker with a good level of English or Spanish.

Partner Marketing Manager will manage commercial agreements with partners, own marketing relationships, and plan and execute campaigns across partner channels.

Revelyst seeks a Key Account Manager to drive revenue growth and brand positioning for Fox, Bell, Giro, and Camelbak within Iberian National Key Accounts. This role involves developing and executing account plans, negotiating commercial terms, managing the sales cycle, and representing Revelyst across Spain, Portugal, and Andorra.

Develop and implement regulatory strategies for new and existing products in international markets. Prepare and submit registration dossiers, manage regulatory files, and coordinate with international partners.

Junior Key Account Manager will maintain and develop relationships with key customers, act as a commercial interface, and support the KAM strategy. Requires a university degree in Business Administration or Industrial Engineering, or equivalent experience, and initial experience in sales or key account management within the pharmaceutical or life sciences industry. Must be fluent in English and have excellent communication skills.