backend developer English-speaking jobs in Castile-La Mancha

Structural Engineer needed for ground-mounted photovoltaic systems. Responsibilities include structural design, analysis, and support for tracker and fixed tilt systems. Must have experience with European, U.S.A., and South America standards and 3D CAD software.

Provides end user support, monitors tickets, and installs/configures devices. Manages printers, performs equipment moves, and analyzes technology needs. Participates in projects and supports mobile devices and warehouse management systems.

Expert UNIX System Administrator needed for Linux, AIX, and Solaris environments. Troubleshoot issues, perform system updates and upgrades, and collaborate with global teams. Requires 5+ years of Linux and AIX experience, 2+ years of Solaris experience, and fluency in English.

Software Engineer for CRM Marketing Automation on Salesforce Marketing Cloud. Design, develop, and maintain backend systems and services for global platforms. Collaborate with engineers, product managers, and stakeholders to define requirements and prioritize feature development.

DevOps Engineer to support operation and development of a text-recognition solution focused on communication with local authorities. Responsibilities include operating, maintaining, deploying, and monitoring the application, enhancing cloud architecture, automating monitoring and incident resolution, and integrating partner systems. Requires 3+ years of experience in a DevOps or Cloud Engineering role, strong GCP expertise, and proficiency with CI/CD workflows, containerization, and Python.

Project Manager for web applications, managing end-to-end project plans, scope, and risks. Coordinates teams, drives stakeholder communication, and ensures delivery quality. Requires experience with web application client-facing portals, repair journeys, and integration architecture. Fluent in English and French.

This internship provides support for marketing and operations teams, bridging creative execution and technical compliance. Responsibilities include campaign support, creative input, event coordination, reporting, and ensuring security and compliance.

Principal/Client Partner/Sales Manager will drive growth by winning and delivering retained executive search assignments. Responsibilities include building client relationships, generating leads, leading searches, and meeting sales targets. Requires 4+ years of full-cycle sales experience in complex solutions and fluency in English. Additional languages are a plus.

Drive commercial expansion for a biotech company developing a liquid biopsy platform. Identify and develop relationships with pharma, biotech, and CRO partners globally. Position the platform as a solution for MRD and ctDNA detection, treatment response monitoring, and companion diagnostics.

Leads the operations of a glass microsphere manufacturing plant, ensuring safety, environmental compliance, and high-quality product delivery. Manages daily operations, production, and personnel, while developing and implementing strategic plans. Requires a university degree in engineering, 5+ years of relevant experience, and fluency in English.

Regional Sales Manager for Geely Auto in Spain. Executes national sales strategy, manages dealer network performance, and provides market insights to support business objectives.

The Senior HR Manager provides human resources leadership and support for multiple countries, including organizational development, employee relations, recruiting, compensation, benefits, performance management, training, and safety. The role requires developing and implementing HR programs and policies, aligning with global mandates, and collaborating with stakeholders to bridge operational gaps. The Senior HR Manager will also analyze data, provide training, and ensure compliance with local labor laws and company policies.

Mobile Developer to design, develop, and maintain native iOS (Swift) and Android (Kotlin) applications. Requires 3+ years of experience, B2 English, and a university degree in a related field.

Customer Service Representative to provide support for health and travel insurance clients. Handles inquiries, concerns, and issues via phone and email. Requires strong communication, problem-solving, and customer service skills. Bachelor's degree and prior customer service experience preferred.

The USP Manufacturing Technician will ensure compliance with the planning of the USP Scale-Up and Manufacturing department. Responsibilities include preparing, controlling, and developing processes for the production of biological molecules, participating in audits, and investigating process improvements.

Administrative & Accounting Assistant to support daily financial operations, including invoice processing, general accounting, and tax matters.

Senior Underwriter to lead the development of a new Renewable Energy underwriting practice. Develop business strategy, underwriting processes, and product offerings. Analyze underwriting submissions, build a book of business, and drive new business growth. Requires experience in Renewable Energy, Power/Energy, or related specialty underwriting. Fluent English & Spanish.

UST seeks a TPH Production Support Specialist to provide technical escalation support for incidents and service disruptions. Responsibilities include incident resolution, technical analysis, system health management, automation, and reporting.

Database Reliability Engineer to design, build, and operate production-ready PostgreSQL environments. Responsibilities include automation, security, and compliance, as well as embedding database capabilities into an Internal Developer Platform. Requires 3+ years of PostgreSQL experience, Kubernetes knowledge, and automation skills.

Full-time Spa Manager and Therapist needed for a 5-STAR RESORT in Mallorca, Spain. Responsibilities include managing daily spa operations, providing treatments, ensuring client satisfaction, and overseeing staff. Proven spa management experience, customer service skills, and skincare treatment proficiency are required.