backend developer English-speaking jobs in Castile-La Mancha

Machine Learning Platform Engineer to design, deploy, and operate production-grade AI systems. Responsibilities include building automated pipelines, running ML workloads on cloud platforms, and improving reliability and performance. Strong Python engineering background and experience supporting ML systems required.

As our first Medical Science Liaison in Spain, you will act as a scientific and medical expert, fostering collaborations with healthcare professionals and Thought Leaders in oncology and non-oncology areas. You will conduct scientific exchanges, provide non-promotional information, and develop Local Medical Plans and Publication Plans.

Manage social media and content for a global online travel business, focusing on the DACH market. Responsibilities include content creation, community management, video editing, and tracking KPIs. Requires fluency in German and English, strong storytelling skills, and a passion for travel.

Analyze and provide feedback on texts, pages, images, and other information for top search engines. Improve the user experience by reviewing and rating search results for relevance and quality. Must have excellent communication skills in English and Catalan, be a resident in Spain for the last 5 years, and have familiarity with current and historical Spanish affairs.

Senior Azure Data Platform Engineer with AI knowledge needed to build and maintain a leading Azure environment for GenAI workloads. Responsibilities include designing, developing, and optimizing cloud platforms, implementing CI/CD pipelines, and managing Azure OpenAI and Azure Machine Learning environments. Strong technical knowledge in Terraform, Azure Services, and scripting is required.

Drive sales growth by advising prospective students on English learning solutions. Conduct online sales consultations, convert leads into contracts, and nurture student relationships.

Staff Mobile Engineer to build next-generation mobile applications. Lead technical planning and execution of mobile features, mentor teammates, and collaborate with product and design partners. 9+ years of iOS native mobile development experience required.

Revenue & Reservations Trainee will manage room reservations, optimize rates, and support revenue strategies. Responsibilities include handling bookings, updating rooming lists, and analyzing data. Requires fluency in Spanish and English, and a positive, proactive attitude.

Provide administrative and operational support for global leasing operations. Onboard customer projects, consult on processes, and monitor service levels. Analyze customer and process challenges, and participate in customer meetings. Fluent in English and French required.

Lead engineering activities for new product development projects from initiation to start of production. Manage engineering scope, budgets, and resources. Coordinate cross-functional teams and ensure projects meet technical, quality, cost, and timing requirements.

Field-based sales engineer responsible for achieving sales and profit growth within a specific territory in Southern Spain. Manages a portfolio of 'value-add' customers, building relationships and providing consultative solutions. Requires a Diploma or Graduate Engineer with 2+ years of technical sales experience, knowledge of steam and condensate systems, and control valves. Must possess strong communication, interpersonal, and organizational skills, and be proficient in Microsoft Office and English.

Manages and oversees the full accounts payable process, including invoice processing, vendor payments, and reconciliations. Leads, coaches, and develops the accounts payable team. Ensures compliance with company policies, accounting standards, and regulations.

Senior Rentals Agents will identify and secure luxury properties for rent in Barcelona. Responsibilities include negotiating agreements with property owners, managing the rental cycle, and collaborating with marketing to promote listings. Candidates should have proven experience in real estate, strong business acumen, and proficiency in English and Spanish.

Provides support to Private Bankers and management on client-focused operations. Assists with client administration, workflow organization, and ensuring timely and efficient processes. Handles client requests, processes orders, and liaises with internal service providers. Supports Private Bankers with administrative duties, account opening, and monitoring. Contributes to business development activities, prepares client reports, and supports legal and compliance functions.

DevOps Engineer to design, build, and maintain scalable cloud infrastructure. Experience with AWS, Terraform, Kubernetes, and PostgreSQL required.

Experienced SAP Consultants with 5+ years of experience in one or more modules (e.g., S/4HANA, FI/CO, MM, SD, PP, BW, ABAP, Basis) are sought for ongoing projects across Spain, with a focus on Barcelona.

Demand and S&OP Manager will lead the end-to-end Group demand planning and S&OP cycle, standardize processes, and improve systems. The role requires 5+ years of planning experience, 2+ in demand planning, team management experience, ERP proficiency, and advanced Excel skills. Fluent English is required, with Dutch, French, or Spanish a plus.

The PPA Manager will lead the identification, negotiation, and execution of Power Purchase Agreements (PPAs) for renewable energy assets. This role involves market analysis, commercial strategy, and risk management, collaborating with internal and external stakeholders.

Develop high-impact presentations for senior leaders, investors, and customers. Transform complex information into clear, compelling narratives using the Pyramid Principle. Ensure presentations reflect brand standards and visual identity. Coach internal teams on presentation best practices.

Digital Sales Associate fluent in Dutch with inbound experience is needed. Responsibilities include reaching sales goals, building relationships with potential clients, and recommending ADP products and services. Must have excellent closing skills, be goal-oriented, and possess strong time management abilities. Fluency in Dutch and English is required.