backend developer English-speaking jobs in Castile-La Mancha

Customer Service Agents provide support to customers via phone, email, chat, and other channels. They resolve issues, ensure customer satisfaction, and contribute to service quality improvement. Native French speakers with 3+ years of customer service experience are required.

Support day-to-day office and administrative operations, including client invoicing, supplier payments, and record keeping. Provide administrative support to the team and act as a point of contact.

Account Executive to join a hybrid team in Spain. Develop sales strategies, nurture leads, and present solutions. Proven B2B SaaS sales experience, strong communication skills, and fluency in English are required. Experience with the UK/Ireland market is preferred.

QuiverTree Media seeks a Key Account Manager to manage and grow strategic airline relationships. This role involves account ownership, internal coordination, client presentations, and project management.

Assembly Technician needed for a leading space engineering and telecommunications company. Responsibilities include operating technical equipment, performing maintenance, fault finding, soldering, and assembling mechanical structures. Requires vocational training in electronics, experience in manufacturing and testing, and strong communication skills.

Sales Representative / Business Developer responsible for developing new business and managing client accounts in Northern Spain and the Central region.

Experienced SAP SuccessFactors Consultant needed to lead global implementations, optimizations, and support. Configure and design SuccessFactors modules, translate business requirements into technology solutions, and manage integrations.

Junior RF Engineer (Chinese) needed for radio network optimization, data analysis, and digital platform maintenance. Must have a science or engineering background, strong logical thinking, and fluency in Chinese.

Experienced employment lawyer to lead a team of 8, providing strategic legal counsel and managing labor relations for a multinational technology company.

The Customer Administration Specialist (Billing) will review billing volumes, analyze and manage billing rules, and interact with other departments to resolve incidents and modify contract conditions. The role requires proficiency in English, strong analytical skills, and experience with administrative tasks.

Growth Marketing Manager will own end-to-end growth strategy, execution, and optimization across paid, organic, lifecycle, and partnerships. Responsibilities include defining and executing growth strategy, managing acquisition channels, designing and running experiments, and collaborating with product and data teams.

Sales Associate for Emporio Armani women's corner store in Plaza Cataluña. Provides excellent customer service, advises on collections, and builds customer relationships. Minimum 2 years of fashion sales experience required.

Data Analyst needed for a foundation focused on innovation and R&D. Responsibilities include defining, monitoring, and analyzing KPIs to evaluate product and service performance. Experience with large datasets, Python, and Power BI is required. Fluent English is essential.

Customer Support Agent needed to provide phone, email, and in-person support to clients. Responsibilities include managing client issues, providing information about processes, and coordinating with other departments. Fluency in English and Spanish is required.

HR Business Partner within the Organization/IT team. Collaborates with HR and IT to define and integrate new functionalities in HR processes. Acts as the end-to-end coordinator of HR initiatives, translating business needs into system and product requirements. Manages the HR product backlog, defines and executes testing activities, and provides user training and support.

HSE Design Specialist needed for a global EPC company. 5+ years experience in a similar role required. Responsibilities include hazard identification, risk mitigation, and ensuring design compliance with standards and regulations. Strong English (C1 level) required.

This entry-level position supports global research initiatives by gathering and organizing market and client intelligence. The role involves data collection, entry, and basic visualization to ensure accurate business insights.

Provides operational and technical support in the laboratory, performing chemical tests and contributing to project development. Prepares laboratory equipment and documentation, and supports the efficient operation of the laboratory.

Senior IT Analyst will analyze, design, maintain, and optimize corporate technological solutions. Responsibilities include translating requirements into technical specifications, leading incident analysis, and designing scalable architectures. Requires Advanced Vocational Training in Software Development or Computer Application Development, minimum 5 years of experience, and C1-level English proficiency. Technical skills include PHP, JavaScript, Bash, PowerShell, T-SQL, and more.

Sales Broker needed for energy sector specializing in biomethane commodities. Fluent Dutch and English required. Experience in sales, brokerage, or trading desired. Build customer relationships, identify solutions, and negotiate deals.