frontend developer English-speaking jobs in León

Network Engineer Expert to design, implement, and maintain complex network infrastructure. Responsibilities include network performance analysis, device configuration, issue resolution, documentation, and security. Requires experience with NSX-T, Terraform, Python, and network protocols. CCNP or JNCIA certifications are desirable.

Investigate fraud activity, develop detection rules, and research emerging threats. Collaborate with product teams and support client investigations. Prepare reports and analyze user behavior to identify fraudulent activity.

Creative Designer & Paid Media Intern will design ads for Meta, edit videos, and use AI tools to optimize campaigns. Must have strong creative judgment, video editing skills, and understand Meta advertising.

The ACS Squad within Deutsche Telekom Technik GmbH is seeking a motivated engineer to join their team. The team is responsible for the full lifecycle of critical IMS components, including the development of a new AI Calling system. The role requires experience with cloud-native technologies, Kubernetes, IMS architectures, and CI/CD pipelines. Familiarity with real-time systems, SIP debugging tools, and scripting languages is also necessary.

WSO2 seeks a Channel Account Director to lead and expand its partner ecosystem across Southern Europe. This role focuses on driving joint business growth with System Integrators and Cloud Partners, enabling them to deliver WSO2's digital platforms to enterprise customers.

Freelance innovation consultant needed for Horizon Europe Programme applications. Experience in writing proposals, business plans, and technical reports required. Bachelor's degree in a technical field and fluency in English are essential.

Executive Assistant to support the Executive Committee, managing schedules, organizing meetings, coordinating travel, and handling administrative tasks. Requires 5+ years of experience, native-level English, proficiency in MS Office, and strong organizational and communication skills.

The Scientific Product Manager owns the strategy, roadmap, and delivery of scientific workspace products. Defines product requirements, aligns cross-functional teams, and drives successful adoption for scientists. Requires a Bachelor's or Master's degree in a scientific discipline plus 5+ years of product management experience.

Information Security Professional will contribute to customer projects and internal security strategy development. Responsibilities include developing security guidelines, managing risks, and implementing an information security management system. Requires experience in information security, IT security consulting, and knowledge of standards like ISO 27001 and NIS/NIS2.

This internship provides hands-on experience supporting European digital campaigns. Tasks include reviewing campaign materials, tracking deadlines, managing communication, and writing copy in English and Italian. Applicants must be currently enrolled in university and have a university internship agreement.

Assists in developing product features and enhancements. Collaborates with designers, product managers, and engineers. Conducts discovery sessions, analyzes data, and prepares reports. Supports product marketing and customer support efforts.

Lead a team focused on AI video creation, visual storytelling, and copywriting to produce content that explains the product, drives acquisition, and shapes the Memorae brand. Manage a team of designers, AI video creators, editors, and creative producers while defining workflows, production pipelines, and creative standards.

The Account Director AOR (Healthcare/Pharma) leads and manages client accounts totaling $4-6M+ in agency fees. They are the primary point of contact for clients, providing strategic recommendations and influencing client decision-making. The role requires strong communication, leadership, and financial management skills.

Experienced Accounting Lead with finance transformation expertise needed for the integration of a new Spanish subsidiary. Responsibilities include process analysis, migration support, and user acceptance testing for Oracle ERP.

Security Architect for enterprise applications. Define secure architecture patterns, lead threat modeling and security reviews, and champion secure coding practices. Must have 5+ years in cybersecurity with application security focus, software development or penetration testing background, and fluency in secure coding standards.

Contract Clinical Science Specialist to support global Phase II-III clinical trials. Responsibilities include clinical trial design, data interpretation, and cross-functional collaboration. Requires MSc or PhD in a scientific discipline and experience in biotech drug development.

Medical Science Liaison (MSL) specializing in onco-hematology and multiple myeloma needed to cover Catalonia, Aragon, and Northern Spain. Engage with healthcare professionals, identify patient profiles, and provide scientific support. Requires a scientific background, proven therapeutic expertise, and strong communication skills.

Executive Assistant to support senior tech leaders in a European team. Organize priorities, track progress, and facilitate communication between engineering groups.

Lead technology and data projects in the Financial Crime domain. Experience in Financial Crime data migration, Transaction Monitoring, and regulatory controls. Strong end-to-end delivery capabilities across complex initiatives. Coordinate multidisciplinary teams, manage dependencies, and work with stakeholders.

Uptime Institute seeks a Sales Director to expand global sales activities across its data center services portfolio in Spain. The role focuses on promoting and closing contracts for services including Tier Certification, Operational Sustainability, Due Diligence, and Management & Operations.