frontend developer English-speaking jobs in León

Office & Management Support will ensure the smooth operation of the company's office. Responsibilities include managing maintenance, suppliers, materials, and administrative tasks. The role also involves coordinating events, managing visitor access, providing administrative support to the management team, and overseeing procurement and supply chain.

Coordinates shorebase logistics activities for an Oil & Gas project. Responsibilities include managing vessel operations, yard and warehouse activities, and logistics documentation. Requires a logistics, maritime, or engineering background and 5-7 years of relevant experience.

Instructional Designer will design and develop scalable training solutions, including eLearning, ILT/VILT, tutorials, simulations, and job aids for the Passenger Portfolio. Collaborate with product managers, solution specialists, and SMEs to gather training requirements and translate them into engaging learning experiences.

Business Development Executive identifies, qualifies, and strategizes leads for Account Executives. Engages B2B prospects through various channels, connects with C-level executives, and schedules meetings. Requires fluency in French and professional English proficiency.

Talent Acquisition Internship at Persán, a multinational company in the home and personal care industry. Collaborate in defining processes, data migration, documentation, and recruitment support.

Theoretical Physicist specializing in Atomic, Molecular, and Optical (AMO) physics needed to develop models, perform simulations, and provide analytical insight for quantum and optical systems.

Architect needed for a new Barcelona Design Studio supporting international projects. 5-8 years of experience required, including full design cycles using Revit/Rhino and BIM workflows. Fluent English essential, Spanish valued.

As a Client Advisor, you will represent the Miu Miu brand, maximizing sales by building customer relationships and providing a unique in-store experience. You will assist customers, maintain visual displays, and ensure a secure environment.

Integrations Engineer needed to build scalable solutions, reporting, and automations within the Atlassian ecosystem. Requires advanced SQL, relational data modeling, and JavaScript skills. Experience with Jira Software, Atlassian Analytics, Looker, Tableau, and Google Sheets is essential.

Leads and manages technology transfer projects, providing project management, scientific, and technical expertise in quality, technology transfer, and regulatory affairs.

Embedded Software Architect to drive architectural decisions and implementation strategy for embedded software stack in a clinical-stage medical device company.

Senior Software Engineer to build scalable web solutions. Focus on backend development, API architecture, and collaborating with cross-functional teams. Strong TypeScript experience and understanding of interface-driven design required.

Senior DevOps Engineer to design, operate, and evolve CI/CD platforms and cloud-native infrastructure solutions for Santander CIB's digital platforms. Responsibilities include developing and maintaining CI/CD pipelines, deploying and managing AWS infrastructure, operating container environments, and collaborating with development, SRE, and security teams.

HR Generalist to manage end-to-end HR operations in Spain. Responsibilities include people administration, Spanish labor law compliance, and recruitment. Requires 3-5 years of HR experience, strong knowledge of Spanish labor law, and fluency in Spanish and English.

Sales Representative to build relationships with healthcare professionals, promote pharmaceutical products, and achieve sales targets. Requires a bachelor's degree, sales experience, strong communication skills, and proficiency in CRM software.

The Process Data Analyst supports biosimilar development programs through advanced data evaluation. This role applies statistical methodologies to support decision-making, analyzes and interprets data to identify process variables impacting yield and quality, and prepares reports for management.

Global OT Security Engineer interim will ensure the protection and maintenance of Operational Technology (OT) environments and industrial assets. Responsibilities include coordinating OT patching and upgrades, implementing hardening measures, and supporting the deployment of OT security tooling. The role requires 4+ years of experience in IT/OT security, IEC 62443 Cyber Fundamentals Specialist and GICSP certifications, and expertise in asset discovery, vulnerability scanning, and risk management.

Senior Accountant provides accounting, reporting, and client/supplier management support. Responsibilities include posting invoices, managing client and supplier accounts, financial reporting, payment forecasting, and reviewing due dates. Requires 3+ years of accounting experience, a bachelor's degree in a related field, and fluency in English, Spanish, and Catalan.

Software Development Engineer will design, build, and deploy distributed software systems for a global customer base. Responsibilities include developing software for various sensors, mobile clients, and cloud server systems, collaborating with engineers and applied scientists, and improving existing technical services. Requires a Bachelor's degree in Computer Science or related field, 3+ years of professional software development experience, and proficiency in Java, Python, React, and AWS Serverless technologies.

Contract Administrator with German manages the full contract lifecycle, including renewals, amendments, pricing, and billing. Coordinates cross-functional approvals and ensures billing readiness. Requires 1-4 years of experience in contract, deal desk, or commercial operations within a SaaS environment.