frontend developer English-speaking jobs in León

Company Description About Liberté Essentiel: Liberté Essentiel is a contemporary womenswear brand with Scandinavian roots, operating internationally across wholesale and leading online marketplaces. We create clean, feminine collections with strong focus on fit, quality, and timeless design.

Senior Customer Success Manager (CSM) – Mobile Device Management (MDM) Madrid, Spain | Hybrid About Applivery Applivery helps modern organizations simplify, secure, and scale how they deploy applications and manage devices across their workforce.

MyMediaConnect is revolutionizing the packaging industry with our cutting-edge SaaS platform. We streamline the entire graphic chain—from artwork approvals and version comparisons to OCR-powered checks for colors, barcodes, and compliance—for leading FMCG, pharma, and electronics brands like Central Lechera Asturiana, Florette, Pascual, Bluesun, Europastry, and Chupa Chups. Our mission?

Vetpharma is the veterinary division of Chemo, part of the Insud Pharma group, providing Animal Health solutions. We are located in Barcelona, where the group was founded in 1977. In Vetpharma we are a highly qualified team. We have extensive experience in development, registration and marketing veterinary medicinal products, API’s and nutraceuticals.

Our client, a leading global ICT company, is recruiting for a Project Control Manager to join their business in Spain.

Company DescriptionWholesaler and Distributor of Branded ProductsRole OverviewElectro Shiva S. L. is looking for a proactive and detail-oriented Marketing Assistant to join our team at our Fuenlabrada (Madrid) office. This role is ideal for someone passionate about marketing, communication, and digital trends.

Global Head of Business Development (Textile Manufacturing Marketplace)Ivy DecarbCompetitive compensation packageMadrid - Hybrid role, you should be able to commute to Madrid a few days a week if not travelling(You should be able to speak English fluently, any other languages are an advantage)This exciting role requires someone who can demonstrate a strong commercial and technical understanding of

About Skrumble: Skrumble is a review and comparison platform for brokers, prop firms, crypto exchanges, and cross-chain bridges. We publish independent reviews based on real testing and provide comparison tools to help traders make informed decisions. Our platform attracts visitors researching their next trading platform.

Software Quality Assurance Engineer - AI / LLM / Machine Learning We're hiring for an experienced Software Quality / QA Engineer with experience in AI / ML / LLMs for a rapidly expanding deep tech company that is backed by major global investors. In this position, you will be responsible for ensuring reliability, performance and robustness for AI driven solutions and applications.

We are seeking a Senior Data Scientist/AI Engineer specializing in AI Safety (to be located either in Vitoria -Basque Country- or Barcelona) to lead adversarial testing, risk assessment, and safety evaluations for LLM- and agent-powered chatbot systems. This role focuses on ensuring that AI technologies are safe, reliable, and aligned with business and user needs across high impact use cases.

Are you looking for a new challenge abroad? At Hays, we’re partnering with a leading company in the consumer goods sector to recruit a Maintenance Engineer for one of its production plants located in Northern Europe. If you have experience in industrial maintenance and want to lead and optimize operations in a multinational environment — this is your chance!

Senior Rust Engineer (Rust/C++) Core Trading Infra We are partnered exclusively with a top-tier digital asset exchange. They have a global presence, and are renowned for their security and platform performance. The team are looking to bolster their Rust Engineering team in Europe.

Our mission is to simplify disease management through accurate, real-time data, enabling better decisions for patients, healthcare professionals, and health systems. Following CE MDR certification and successful commercialization, Hippo has established distributor partnerships across multiple European countries and is now entering the next phase of its European growth.

About the Company Hello! Welcome to Plaza Premium Group, we're people passionate about "Making Travel Better". We are a global company with team members from all walks of life, together we are #PPGFamily, together we are building a legacy. You don't need to be from this industry, you do need to be passionate.

Carrots is a fast‑moving studio building and scaling consumer subscription apps (iOS/Android). We manage meaningful monthly budgets and operate with a strict payback mindset . We’re now hiring a Motion Graphics Designer (Internship) to partner hand‑in‑hand with our UA team —turning ideas into high‑performing creatives for Meta, TikTok, Snap, and UGC .

At DAVANTIS Technologies, we are international leaders in the development of innovative technological solutions for electronic security. At DAVANTIS Technologies, we are international leaders in developing technological solutions for AI-driven intelligent video surveillance.

At ASTEK Iberia, we are looking for an experienced Program Manager – M&A Integration in Madrid to join a leading global technology company in the travel industry. Main responsibilities:In this role, you will be responsible for planning, driving and executing the post-merger integration of acquired companies, ensuring alignment with business objectives, governance standards and synergy targets.

We are looking to hire a Service Desk Technician to join a dynamic and international technological environment. The selected candidate will actively participate in incident management and resolution, ensuring compliance with service levels and collaborating with various technical teams to drive continuous service improvement.

We are seeking a highly skilled Systems Administrator to manage and optimise our main technology platforms, including Dynamics 365, Office 365, Power Apps and property management systems (PMS). This role is essential to ensuring the proper functioning, integration and security of technology systems in a dynamic and constantly evolving business environment.

**Please submit your English CV with a complete educational background (starting from Bachelor's degree)** TrinaTracker, a global leader in tracker solutions and a business unit of Trina Solar, is looking for professionals to participate in its international growth. Trina Tracker is positioned among the top 5 global tracker companies, with projects deployed in more than 40 countries.