frontend developer English-speaking jobs in León

Leads technology transfer and process development projects in the pharmaceutical industry. Manages project execution from initiation to completion, ensuring alignment with objectives and client communication. Monitors performance, identifies deviations, and implements corrective measures.

Packaging Material Specialist needed with 5+ years experience in developing blister, carton, and shipping packaging. Responsibilities include material qualification, supplier management, documentation, and technical support for quality issues. BS/MS in a scientific or engineering discipline required. Fluent Spanish, English preferred.

Provides administrative and operational support to the Regulatory Affairs team. Organizes documentation for registrations and approvals. Maintains regulatory databases and files.

Product Manager will own the monetization strategy for a leading EdTech platform, including pricing, packaging, and A/B testing. Requires 3-5 years of B2C product management experience, hands-on A/B testing, and data fluency.

The Night Manager oversees all hotel operations during the overnight shift, ensuring smooth running and guest satisfaction. Responsibilities include supervising the housekeeping team, coordinating with departments, handling guest requests, and managing emergencies.

SAP Order-to-Cash Business Analyst to support and improve Order-to-Invoice processes in a global SAP S/4HANA environment. Analyzes business requirements, translates them into functional specifications, and coordinates with development teams to deliver system improvements.

Business Analyst to support global Marketing IT applications (OneMRM & Symphony). Manage demand intake, incident coordination, backlog management, and continuous improvement. Requires 5+ years experience as a Business Analyst, Demand Manager, or Product Owner in IT environments. Strong experience in application support, incident management, and change management. Must have English B2+/C1.

Think Ahead Education seeks Exam Invigilators to support A-Level and IGCSE exams from May 7th to June 18th. Successful candidates will supervise students during exam sessions, ensuring exam regulations are followed. Minimum B2 English level required.

Dog Friendly Co. seeks a Social Content Lead to own organic content strategy and execution across platforms like Instagram, TikTok, and YouTube. This role involves developing scalable content formats, managing creators, and driving business impact through content.

Senior Product Manager will own a part of MAKE's roadmap, focusing on areas like payouts, multi-currency accounts, virtual cards, and crypto. This role requires 5+ years of product management experience in fintech, neobanking, or payments, with a strong technical background and experience in API integrations.

Public Affairs Officer to support EU and international public policy strategy. Monitor regulatory developments, produce insights, and engage with policymakers and stakeholders. Requires 3-5 years of experience, a Master's degree, and fluency in English.

Account Executive to drive the full sales cycle for a SaaS e-commerce search solution. Requires 2+ years of B2B SaaS sales experience, fluency in German (C2) and English (B2), and strong communication skills.

Senior R Developer to migrate SAS applications into scalable R packages, ensuring functional equivalence and contributing to validation processes. Requires a Master's degree or PhD, 7+ years of experience in statistical software development, advanced R programming skills, and experience in SAS to R migration.

As a Purchaser & Technical Support, you will ensure the availability of parts and components for after-sales service projects. You will define purchasing and outsourcing solutions, manage supplier relationships, and provide technical support.

Senior Product Manager to own vision, strategy, and roadmap for a core product area. Requires experience in data-informed decision making, customer insight, and market research. Proven ability to lead cross-functional teams and influence stakeholders. Strong communication skills essential.

Founder's Associate needed for AI-driven airline operations solutions. 2-4 years of aviation experience (pilot, OCC, dispatch, ATCO) required. Support operations, sales, customer success, and marketing. Part-time with growth potential, hybrid/remote in Europe.

This role supports Glow by Hormone University's operations, customer service, and marketing teams. Responsibilities include process improvement, data analysis, customer support, and website maintenance. The ideal candidate is detail-oriented, organized, and proficient in digital tools.

Digital Nomad Visa Consultant needed to manage visa applications, provide immigration and tax advice, and ensure compliance with regulations. Must be a Spain resident with a law degree and fluency in English and Spanish.

Technical Aerothermal Engineer sought for a leading renewable energy platform in Spain. Core responsibilities include providing technical expertise during sales, developing B2B opportunities, designing solutions, and managing projects. Requires engineering degree, experience with aerothermal systems, and some commercial experience.

Cybersecurity Engineer L2 + Linux experience required. Conduct advanced threat analysis, investigate incidents, and develop security measures. Proficient in Linux systems administration, DFS, SIEM, and EDR tools. Strong analytical and communication skills needed.