python English-speaking jobs in Castile and León

ESSP seeks a Performance Tools Manager to ensure the smooth operation of mission performance tools. Responsibilities include maintaining tools, managing obsolescence, developing new software, and coordinating a team of four. Requires 5+ years of GNSS experience and 3+ years in software and tool development.

AI Solutions Engineer will design, build, and deploy AI Agents across voice, chat, and messaging for enterprise customers. Responsibilities include developing MCP servers, building conversational AI assistants, deploying serverless architectures, and leading technical engagements.

The Nando and Elsa Peretti Foundation seeks a Program Manager to manage the administrative lifecycle of grants, ensuring compliance and reporting. The role involves partner relations, documentation, and portfolio support.

Software Development Engineer needed for contract role in Madrid, Spain. Diagnose and resolve defects, perform debugging, and create technical documentation. Experience with Java, cloud-native technologies (Docker, Kubernetes, microservices), and Agile Scrum is required.

Lead technology strategy and delivery for a high-growth aviation technology scale-up. Deep technical expertise and enterprise delivery experience required. Proven track record in rapidly scaling product or platform businesses, with aviation technology experience essential.

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.

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

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.

Data Scientist needed to analyze large datasets, develop machine learning models for ad targeting and campaign performance, and collaborate with teams to improve advertising impact. Requires 5+ years of data science experience, 3+ years in AdTech, and proficiency in Python, SQL, and ML frameworks.

HR Intern to support recruitment and training initiatives. Responsibilities include recruitment cycle support, training management, and employer branding activities. Must be fluent in English and pursuing a Bachelor's or Master's degree in a related field.

Leads Supply Chain projects, including system deployments and data structure implementation. Develops and implements commercial and factory-based projects to meet business needs. Establishes, leads, and manages the Supply Chain PMO, setting governance and reporting standards. Drives the planning, execution, and delivery of strategic supply chain initiatives in Europe. Identifies risks and develops mitigation strategies to ensure business continuity. Collaborates with global teams to ensure resource availability and remove blockers for supply chain projects.

Junior Finance Analyst to support the full finance cycle, including invoice processing, payments, bank reconciliations, and financial reporting. Requires 2+ years of experience in administration, proficiency in Excel, and fluency in Spanish and English.

Digital Brand Designer to create visually strong and on-brand designs for a vitamin brand across digital and offline touchpoints. Requires proficiency in Figma and Adobe Suite, experience with AI-powered design tools, and a strong design portfolio. Must be able to balance creativity with brand consistency and thrive in a fast-paced environment.

The Engineering Manager leads and develops a team of 20 engineers, ensuring the execution of multiple concurrent R&D projects. Responsibilities include project planning, resource allocation, team management, and communication with customers and stakeholders.

Provides legal advice to business units on M&A, corporate, commercial, and civil matters. Advises on the legal implications of company strategy and initiatives. Supports M&A transactions, including drafting and negotiating transaction documentation.

Livit is a global leader in creating innovative food & beverage concepts, transforming ideas into reality—from design and operations to the full customer experience. We collaborate with some of the most exciting brands in restaurant, retail, hospitality, and cruise sectors, helping them evolve, grow, and stand out. Want to learn more? Visit us at www. livit. design.

This Business Analyst role focuses on data mapping, UAT, and defect resolution for new country and compliance requirements. You will ensure smooth system integration and releases. Experience with data mapping, UAT, defect tracking, and working across business, IT, and vendor teams is essential.

Provide customer support for the evoke brand across multiple communication channels. Resolve customer issues, collaborate with internal departments, and ensure a positive customer experience while adhering to regulatory standards.

As a Test Development Engineer, you will design, develop, and implement Automated Test Equipment (ATE) and test programs to ensure product quality. You will specialize in either hardware or software, focusing on test architecture, development, and integration. Responsibilities include solution architecture, end-to-end development, strategic planning, debugging, and technical representation.

Experienced Regulatory Affairs Manager needed to define and execute regulatory strategies, manage documentation, and ensure compliance across the product lifecycle.