python English-speaking jobs in Castile and León

Maintains high-performance PostgreSQL databases, ensuring reliability, availability, and scalability. Designs, implements, and optimizes database solutions, collaborating with development teams and managing security controls.

OneStream Specialist needed for optimization and enhancement of a global sustainable energy company's OneStream platform. Responsibilities include platform stabilization, driving improvements, and supporting finance teams. Strong OneStream functional experience (especially FP&A) and understanding of finance processes are required.

Data Engineer needed for a growing consultancy in Madrid. Experience with MongoDB and database optimization required.

Platform/DevOps Engineer will design, build, and operate distributed systems in AWS. Manage and optimize Kubernetes clusters, implement infrastructure as code with Terraform, and automate processes.

Develop and integrate advanced language model capabilities into Ultralytics' ecosystem. Build LLM-powered applications using APIs like OpenAI, Anthropic, and Gemini. Implement RAG systems, data pipelines, and vector storage solutions. Fine-tune LLMs on custom datasets and collaborate with the YOLO development team.

IT Support Field Engineer L2 provides onsite and remote Level 2 support to end users, including troubleshooting hardware, software, and connectivity issues. Requires CompTIA A+ Certification and 2-4 years of experience. Must have strong customer service skills and proficiency in English and Spanish.

Founding GTM Sales Development Representative will own the Spanish sales funnel, driving growth and building a scalable sales process. Requires 2+ years B2B sales experience, native Spanish, and strong English.

Leads commercial efforts to expand renewable energy product sales in Spain and Iberia. Develops sales strategies, builds partnerships, and manages a sales team.

Software Engineer for CRM Marketing Automation on Salesforce Marketing Cloud. Design, develop, and maintain backend systems and services for global platforms. Collaborate with engineers, product managers, and stakeholders to define requirements and prioritize feature development.

Lead and evolve the QA strategy across 35+ teams, encompassing all levels of testing. Build automation infrastructure, promote automation-first approaches, and manage a group of QA Managers.

Leads a global, 24/7 cyber defense and security operations function spanning IT and OT environments. Sets the long-term vision for the Cyber Defense Centre while ensuring seamless day-to-day security monitoring, detection, and incident response. Accountable for service quality, tooling strategy, KPIs, budget ownership, and development of cyber professionals. Represents the CDC internally and externally, contributing to enterprise-wide security initiatives and engaging with the wider cybersecurity community.

Customer Service Representative to provide support for health and travel insurance clients. Handles inquiries, concerns, and issues via phone and email. Requires strong communication, problem-solving, and customer service skills. Bachelor's degree and prior customer service experience preferred.

Senior Market Risk Murex IT Consultant providing specialist support for MUREX projects. Requires 6+ years of experience with MUREX installations and deep knowledge of the MRB MUREX Risk module.

Customer Success Manager will own and grow a portfolio of enterprise accounts across Europe, ensuring customer value and expansion. Responsibilities include onboarding, adoption, retention, and acting as a customer advocate. Requires 4+ years of B2B SaaS Customer Success experience, strong communication skills in English and Spanish, and a proven track record of revenue growth.

Senior React Developer will develop, maintain, and optimize React-based front-end applications. Responsibilities include building reusable UI components, working with JavaScript and TypeScript, implementing testing strategies, and collaborating with cross-functional teams.

Software Engineer to develop core platform using C# .Net in a Microsoft environment. Collaborate with a team to deliver high quality code and work across the full development lifecycle. Must have expertise with C# .Net and a strong academic background.

The HR Cybersecurity Compliance Analyst will support Cyber Security and Privacy compliance for HR processes and supporting applications. Responsibilities include ensuring HR systems comply with data protection regulations, conducting risk assessments, and collaborating with HR and IT teams to implement secure configurations and access controls. The ideal candidate will have a Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field and 3-5 years of experience in cybersecurity, IT audit, or compliance roles.

Mobile Developer to design, develop, and maintain native iOS (Swift) and Android (Kotlin) applications. Requires 3+ years of experience, B2 English, and a university degree in a related field.

SAP EWM Consultant needed for a contract role in Madrid, Spain. Requires 3+ years of hands-on experience in EWM warehouse support or projects. Must have experience integrating EWM with automated systems and other SAP modules. Strong knowledge of IM, EWM, and GXP/SOX requirements is essential.

Senior Multi-Cloud Martech / Salesforce Engineer needed for a long-term engagement in Madrid. Leads technical delivery across Salesforce ecosystems and multi-cloud platforms, designing, developing, and integrating solutions for customer engagement, CRM, and digital marketing.