python English-speaking jobs in Castile and León

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.

Lead the infrastructure direction for a FinTech payment processing holding. Design fault-tolerant architecture, manage multi-account AWS environments, and lead a small DevOps team. Expertise in AWS, Kubernetes, Terraform, and security best practices required.

Develop intelligent sensor inks for food packaging, from formulation to industrial validation. Responsibilities include synthesis, characterization, printing trials, and collaboration with data and computer vision teams.

Founding GTM for Uptail, a company building AI agents for B2C sales. Own the entire sales funnel, build a pipeline of qualified leads, and close deals across Spain and Europe. 2+ years of B2B sales experience required. Fluent in Spanish and English.

Treasury Analyst to support reporting, projects, and bank relationships. Requires 1-2 years of treasury experience, advanced Excel, and English fluency. Experience with TMS, Cash Pooling, and Business Central/Navision/OneStream is beneficial.

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.

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.

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.

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.

Senior Software Engineer with strong AI/ML experience needed to design, deploy, and scale machine learning systems for autonomous robots. Responsibilities include developing ML evaluation frameworks, optimizing models for edge and cloud platforms, and collaborating with cross-functional teams. Requires a degree in Computer Science, Computer Engineering, or similar, along with experience deploying and optimizing ML systems on edge and cloud platforms.

Full-Stack Application Developer will design, develop, and maintain applications for Tier-1 telecommunications operators. Responsibilities include contributing to the functional and non-functional aspects of the application lifecycle, collaborating with international teams, and applying software engineering best practices. Required skills include Java EE, Spring Boot, Angular, Git, Jira, Docker, and Kubernetes.

Leads strategic planning and optimization initiatives across multiple Business Units, driving efficiency and supporting digital transformation. Manages S·TACT process, develops Fully Automated Supply Chain, and coordinates cross-border supply interactions. Analyzes data, identifies improvement actions, and prepares technical documentation. Requires a Bachelor's degree in Industrial Engineering or Finance, 5+ years of experience, and proficiency in supply chain tools and communication.

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.

IAM Engineer to join a team building secure, scalable Identity & Access Management solutions. Responsibilities include running and maintaining application environments, administering IAM content, implementing controls, and reporting data quality. Requires practical experience operating and configuring One Identity Manager, DevOps skills, and solid IAM foundations.

Technical Engineering Director to lead complex ML and LLM projects, translating customer needs into scalable solutions. Oversee end-to-end project delivery, mentor engineering teams, and act as a technical advisor to clients. Requires strong experience with LLMs, applied Machine Learning, and Python.

Accounts Receivable Intern will monitor accounts, investigate outstanding debts, contact clients, and process payments. Requires a finance background, English fluency, and knowledge of billing and collection techniques.

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.

Manage, operate, and improve Dynatrace observability platform in complex enterprise environments. Administer, configure, and monitor Dynatrace, analyze performance issues, and collaborate with teams to ensure service reliability.

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.

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.