backend developer English-speaking jobs in Castile-La Mancha

Innovation Manager will partner with the Innovation Director to execute and scale innovation initiatives in Spain and internationally. This role focuses on translating innovation strategy into tangible products, projects, and programs, leveraging AI and digital tools to solve business challenges.

Supervises spare parts management, including inventory control, procurement, and supplier relations. Requires 3-5 years of experience in the metallurgical or industrial sector and proficiency in ERP systems.

Senior R&D Scientist or Engineer to develop next-generation sensing, optoelectronic, and AI-enabled technologies. PhD in Physics, Optics, Electronics, or Telecommunications Engineering required. Expertise in sensors, photonics, electronics, and regulated environments is essential.

Senior Incident Responder to lead Blue Team and Incident Response, taking operational ownership of incidents and L1/L2 tickets.

AI Engineer will design, build, and operate conversational and cognitive systems for an AI companion platform. Responsibilities include developing LLM-based capabilities, dialogue orchestration, memory management, safety guardrails, and evaluation frameworks. Requires strong software engineering experience in Python, hands-on experience with LLMs, and practical experience with RAG, embeddings, and vector databases.

EU Business School seeks an Academic Counselor to provide personalized advice, monitor student progress, and support academic success. The role involves collaborating with students, interpreting policies, and assisting with orientation. Native or advanced English, international experience, and proficiency in Microsoft Office are required.

The Analytics Implementation Specialist will design and implement digital tracking for Dow Jones' digital products. Responsibilities include partnering with development teams, managing tag management systems, ensuring data quality, and documenting processes. The ideal candidate has experience with SQL, data collection, and web development.

Business & Recruitment Consultant to manage client portfolios, develop commercial activity, and execute full recruitment processes.

Senior Global Procurement Manager to design and implement procurement strategy across Logistics Capex, MRO, Facilities Management, Site Services, and Maintenance. Lead a team, drive process improvements, and oversee KPI implementation. Requires expert procurement knowledge, strategic sourcing experience, and strong stakeholder engagement skills.

ADP is seeking a Dutch-speaking Digital Sales Associate with proven sales aptitude and excellent closing skills. Responsibilities include reaching and exceeding sales goals, building relationships with potential clients, and recommending ADP products and services. Must be fluent in Dutch and English and have excellent systems literacy knowledge in MS Office.

Teach English at a well-established international school in Murcia, Spain, starting August 2026. The school offers a bilingual curriculum blending British and Spanish approaches. Successful candidates will have a university degree in English or a related field, a recognized teaching qualification, and experience teaching English at the secondary level, including IGCSE curriculum delivery.

Operations Engineer needed to maintain equipment and facilities, ensuring peak performance and compliance with standards. Responsibilities include developing maintenance plans, resolving incidents, and coordinating with suppliers. Requires a bachelor's degree in engineering and operational skills. CAD proficiency is preferred.

Salesforce Administrator needed to manage and maintain the Salesforce platform. Responsibilities include designing and implementing Flows, creating reports and dashboards, and managing user accounts. Requires 1 year of Salesforce Administrator experience, proficiency in Spanish and Catalan, and English at a B2 level or higher.

Senior HVAC Engineer to develop HVAC system designs, specifications, and calculations. Requires a Master's degree in Industrial Engineering, 10+ years of experience, English proficiency (B2 minimum), and HVAC software knowledge. Experience in steel mill projects is highly valued.

MLOps Engineer to build and operate end-to-end ML pipelines for large enterprise customers. Responsibilities include deploying production-grade AI systems, designing automation, monitoring model performance, and collaborating with ML researchers and DevOps engineers. Requires 3+ years' experience in MLOps, ML engineering, or LLM-focused roles with strong experience running ML workloads in public cloud environments.

Senior Flutter Engineer to design, develop, and evolve key features of a cross-platform mobile application. Responsibilities include translating designs into reusable components, integrating APIs, optimizing performance, and collaborating on CI/CD pipelines.

Customer Service Specialist to manage daily email inquiries for the e-commerce platform. Provide prompt and accurate customer support via email and phone, handling returns, exchanges, promotions, refunds, and product-related concerns.

Senior Software Engineer to design and implement backend solutions for Satellite Ground Software. Responsibilities include requirements analysis, software design, implementation, and testing. Requires 8+ years of software engineering experience, 4+ years in satellite ground segment solutions, and proficiency in Java.

Associate Data Research Analyst will process data across global markets, ensuring accuracy, completeness, and timeliness. Responsibilities include data collection, maintenance, analysis, and communication with fund companies and data providers. Fluency in Japanese and English is required.

Trina Tracker seeks a Key Account Manager Spain to develop and manage business relationships with new and existing customers in Spain and Europe. Responsibilities include sales planning, contract negotiation, customer communication, and reporting. Requires 5+ years of experience in the PV sector, a bachelor's/master's degree, and strong customer service, communication, and negotiation skills.