backend developer English-speaking jobs in Castile-La Mancha

TransPerfect's Digital department seeks an experienced Regional SEO Team Lead to oversee SEO services (Technical, On-Page, AIO/GEO/LLM) across a key global region (Americas & LATAM OR EMEA & APAC). This senior leadership role ensures high-quality delivery within global SEO frameworks, drives innovation, and maintains strong commercial health across client engagements. The Regional SEO Team Lead reports to the Global Director of Digital Strategy, bridging strategic direction with regional execution.

Visual Merchandiser / Stylist & Trend Forecasting Specialist will develop and execute visual merchandising strategies across e-commerce, retail, and press. Responsibilities include collaborating with the Creative Director and Design Team on collection themes, building seasonal assortments, and styling product photography. The role requires a strong understanding of market trends, competitor activity, and consumer behavior.

Junior C Programmer to develop and maintain software components for high-performance networking over optical access technologies.

Develop and update Solera databases with automotive manufacturer data. Analyze manufacturer data, improve data quality, and collaborate with the Data Development Team.

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.

Pre-Sales Engineer to provide technical support for EV charger proposals. Develop technical aspects of commercial proposals, present solutions to clients, and coordinate project implementation. Requires engineering degree, 2+ years pre-sales experience, and fluency in English and Spanish.

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.

Senior Legal Counsel providing strategic and day-to-day legal support to a leading European hospital group. Duties include contract drafting and negotiation, M&A support, company secretarial matters, legal risk management, and training. Requires a Spanish Law Degree, 8+ years PQE, and experience advising on commercial law in Europe.

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.

SAP Treasury Consultant needed to analyze, design, build, and implement SAP Treasury solutions for European and global clients. Expertise in areas like SAP Cash & Liquidity Management, SAP BCM, SAP TRM, and SAP IHC is required. Minimum 3 years of treasury consulting and/or SAP Treasury system implementation experience is necessary.

Release & Project Manager to own and manage end-to-end delivery for the SAP SuccessFactors platform. Coordinate global releases, enhancements, and system changes. Act as a key interface between HR, IT, vendors, and business stakeholders.

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

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.

Power Electronics Modelling & Simulation Expert to design, simulate, and validate power conversion systems for renewable energy and energy storage. Requires a BSc or MSc in Electrical Engineering, Electronics, or related field, and proven experience in power electronics design and simulation tools.

The British International School of Marbella seeks a Secondary Teacher of Mathematics with UK or International experience teaching IGCSE and A level Mathematics.

Senior AI Architect to design enterprise-scale AI architectures, lead engineering teams, and advise clients on AI strategy. Experience with cloud AI platforms (Azure, AWS, Google Cloud) and machine learning engineering required.

IT Project Manager to lead end-to-end telecom network deployment projects. Coordinate with engineering, operations, and vendors to ensure on-time, on-budget delivery. Manage project plans, schedules, budgets, risks, and resources. Bachelor's degree in telecommunications, engineering, IT, or equivalent experience required. 3+ years of project management experience in telecom, network deployment, or infrastructure rollout projects. Strong knowledge of telecom networks. Fluent English.

The British International School of Marbella seeks a Secondary Teacher of Mathematics with UK or International experience teaching IGCSE and A level Mathematics.

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.

Product Assurance/Quality Assurance Engineer will ensure the highest quality, safety, and reliability of optomechanical instruments for space missions. Responsibilities include developing and maintaining PA processes, identifying and mitigating risks, and overseeing supplier quality compliance.