backend developer English-speaking jobs in Castile-La Mancha

The Planning Sr Manager develops and implements demand and supply plans for all EU channels. This role guides planners, ensures cross-functional alignment, and participates in key meetings to achieve company goals. The individual will focus on improving forecast accuracy and collaborating with teams to integrate strategic plans.

Drive commercial growth by developing existing clients and opening new business opportunities for a sustainable product company. Manage B2B, retail, and key accounts, identify new markets, and negotiate agreements.

Senior Associate / Associate Director – Investment will execute real estate transactions across the EMENA region, from sourcing to exit analysis. Responsibilities include underwriting, financial modeling, transaction analysis, and due diligence management.

Leads the development and execution of integrated marketing and communications strategies for Continental Europe, spanning 14 countries. Manages a team of 10 across media relations, marketing, and internal communications. Drives brand awareness, lead generation, and customer engagement. Oversees B2B marketing programs, campaigns, and thought leadership initiatives. Responsible for executive positioning, issues management, and stakeholder engagement.

Freelance Project Planner needed for industrial and EPCM projects in Italy. Develop integrated project plans, define project structure and milestones, and analyze dependencies and risks using Primavera P6 and MS Project. Bachelor's degree in engineering, Project Management, or related field required. At least 5 years of experience in project planning within industrial, EPCM, or infrastructure environments. Fluent in Spanish; English and/or Italian a plus.

Experienced Application Security Consultant needed for long-term contract. Focus on WAF, Layer 7 security, and application performance in large enterprise environments. Requires 5+ years in customer-facing roles with strong networking and WAF experience.

Nextmol seeks an HPC Sysadmin to manage and evolve on-premise HPC clusters. Requires 4+ years of experience with hardware lifecycle, networking, high availability, monitoring, and performance optimization. Strong expertise in Slurm administration and tuning, distributed storage, and automation tools. Expert Linux system administration skills and strong collaboration skills are essential.

Nae seeks a B2B specialist consultant with 7+ years of experience in the telecommunications sector. The consultant will analyze market trends, support service line development, and participate in consulting projects for Telco clients.

Solutions Architect needed for complex, large-scale IT projects. Requires senior experience in solution architecture, cloud platforms (AWS, Azure), integration architectures, and API paradigms. Must have strong communication and documentation skills.

Executive/Personal Assistant to provide high-touch support blending business operations and lifestyle management for PACO Services in Madrid.

HR Business Partner with 2-3 years of talent acquisition experience needed to support the development and implementation of HR strategy. Responsibilities include talent acquisition, onboarding, offboarding, and managing employee relations. Must have fluency in Spanish and English.

Claims Specialist to manage transactional risk claims from notification to resolution. Responsibilities include coverage analysis, liability and quantum assessment, claims strategy development, and settlement discussions. Requires experience in W&I or transactional risk claims, M&A disputes, or complex financial lines claims.

Marketing Specialist to develop and execute creative campaigns across digital channels. Experience with paid media (Meta, Google) and e-commerce (Shopify) required. Fluency in English and Spanish essential.

Experienced IT Network & Cloud Engineer needed for a 2-year assignment in Madrid. Manage Palo Alto firewalls, LAN/WiFi, AWS cloud instances, and provide technical support. Requires expertise in network setup, routing, VLAN management, AWS, and security. Excellent communication skills in Spanish and English are essential.

Postdoctoral Researcher to conduct finite element simulations of thermal segments in an energy storage system. Validate simulations through laboratory work and collaborate with manufacturers and research institutions. Produce reports and scientific articles. PhD in a relevant field and experience with finite element simulations required.

Data Scientist to join an international team supporting digital transformation and AI research. Develop advanced data processing, analytics, and visualization solutions. Strong Python, Elasticsearch, SQL, and data analytics skills required. Experience with NLP, neural networks, and machine learning algorithms is essential.

Corporate Director of Sales Europe & Americas - Key Account Management will develop and execute a global sales strategy for luxury hotels & resorts, focusing on consortia, travel agencies, and tour operators. The role requires 8+ years of luxury hospitality sales experience, a deep understanding of the global luxury hotel market, and fluency in English.

This role focuses on the continuous improvement, validation, and optimization of power electronics products. The R&D Product Enhancement Engineer will design, improve, and optimize power electronics systems, perform product enhancement activities, and support validation activities.

Fullstack Engineer needed to design, develop, and maintain web applications and tools for a space engineering and telecommunications company. Responsibilities include developing front-end and back-end systems, REST APIs, and Python scripts. Requires a computer science or telecommunications degree, 3+ years of experience, and proficiency in JavaScript, Python, and relevant web technologies.

The Front Desk Manager leads the Front Desk Team, ensuring a seamless and memorable guest experience. This role requires strong hospitality, communication, and leadership skills, along with the ability to handle escalated guest concerns and manage team performance. Must have at least 4 years of experience in a similar role in a 4-5 star hotel.