backend developer English-speaking jobs in Castile-La Mancha

Customer Service Representative for the French Market will manage customer service activities, support sales and marketing, and coordinate databases to ensure excellent service.

Data Engineer to build and maintain data pipelines, ensuring reliable and high-quality data for analytics. Requires 3+ years' experience, expertise in SQL and Python, and knowledge of AWS, Redshift/Snowflake, and Airflow.

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.

Salesforce Technical Consultant needed for dynamic, growing company. Define, scope, and implement Salesforce projects, collaborating with internal teams, clients, and developers. Manage client projects, including system testing, user training, and transition to live operations. Bachelor's degree in Computer Science or similar required. Fluent Spanish and English proficiency (B2 or higher) essential.

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.

Provides on-site desktop support, troubleshooting and resolving hardware, software, and network connectivity issues. Experience with Windows operating systems, Microsoft Office Suite, and Cisco Jabber required.

Administrative Technician to support Factory & Manufacturing operations. Manage order information, material consumption entries, and documentation in ERP systems. Coordinate material transfers and review stock levels.

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.

Engineering Project Manager will lead projects for customers, ensuring completion within scope, schedule, and budget. Responsibilities include developing proposals, managing project documentation, and collaborating with stakeholders. Requires a B.S. in Electrical Engineering, 5+ years of project management experience, and fluency in English and Spanish.

The Quality Assurance & Equipment Validation Consultant will ensure compliance with Good Manufacturing Practices (GMP) through validation of facilities, equipment, and processes. Responsibilities include participating in quality assurance projects, internal audits, and qualification projects for various aspects of manufacturing.

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.

Experienced DevOps Engineer to design, build, and maintain scalable cloud infrastructure on Azure. Responsibilities include automating infrastructure with Terraform, optimizing CI/CD pipelines with GitHub Actions, and ensuring infrastructure security and compliance. Requires 4+ years of experience in DevOps/Cloud Engineering with strong hands-on skills in Azure, Terraform, and GitHub Actions.

This 7-month fixed-term, part-time (20 hours/week) position supports online order fulfillment and stock management for the Madrid boutique. Responsibilities include processing online orders, managing stockroom organization, and assisting with stock inventory. The ideal candidate has experience in stock and online fulfillment, strong multitasking skills, and a team-oriented approach.

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 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.

Service Manager to supervise, control, and manage personnel, coordinate customer service, technical support, and incident resolution. Experience in team management, project coordination, and ERP systems required.

The Territory Manager will drive sales strategies and educate clinical stakeholders on Cepheid products. This remote position requires a minimum of 3 years experience in the Spanish healthcare market and knowledge of Microbiology, Molecular biology & Infectious Diseases.

Lead end-to-end IT projects within a global eCommerce environment, ensuring timely delivery of high-quality solutions. Establish governance, communication, and stakeholder management across global teams. Drive continuous improvement and manage project financials, risks, issues, and dependencies. Apply Agile methodologies and data-driven decision making.

Senior marketing leader to own end-to-end marketing strategy and execution for a European B2B SaaS scale-up. Responsibilities include demand generation, product marketing, brand alignment, and team leadership. Must have experience in complex, high-growth B2B SaaS environments with a proven track record of driving revenue growth.

Penresa, a media and communication agency, seeks a Junior Sales Executive for a freelance contract. Responsibilities include identifying clients, scheduling meetings, negotiating branding opportunities, and ensuring client satisfaction.