frontend developer English-speaking jobs in León

SAP EWM Consultant with 7+ years of experience required. Must have experience integrating EWM with automated systems, MES, and S4 modules. Strong knowledge of IM, EWM, and integration with SD, MM, PP, and QM. Experience in a highly regulated environment and working with incident management and testing tools is essential. Must be fluent in Spanish and willing to work in shifts, including night shifts.

Data Scientist (Mid-Senior) will develop AI solutions for a large hospitality chain, focusing on pricing, revenue optimization, and AI initiatives. Responsibilities include building and deploying models, designing pricing strategies, and collaborating with stakeholders to translate business strategy into data science solutions. Must have strong data science experience, Python skills, and experience with cloud platforms. Fluent in English and Spanish required.

Principal/Client Partner/Sales Manager will drive growth by winning and delivering retained executive search assignments. Responsibilities include building client relationships, generating leads, leading searches, and meeting sales targets. Requires 4+ years of full-cycle sales experience in complex solutions and fluency in English. Additional languages are a plus.

Expert UNIX System Administrator needed for Linux, AIX, and Solaris environments. Troubleshoot issues, perform system updates and upgrades, and collaborate with global teams. Requires 5+ years of Linux and AIX experience, 2+ years of Solaris experience, and fluency in English.

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.

This is a fixed-term contract until July 2026 for a Machine Learning Platform Engineer to design, deploy, and operate production-grade machine learning and AI systems. Responsibilities include deploying models, building automated pipelines, and improving reliability and performance of ML services. Strong Python engineering background and experience running production services on cloud platforms are required.

Regional Sales Specialist will drive sales performance across assigned European markets, supporting distributors and dealers. This role requires 10+ years of sales experience, preferably in automotive, with proven experience working with distributor networks. Fluency in English and Spanish is required.

Project Documentation Intern to support the Greenfield & Operation Department. Assist with organizing, classifying, and archiving project documentation. Maintain document registers and filing systems. Coordinate with project engineers and team members. Support documentation packages for audits and reviews. Bachelor's degree in Engineering, Business Administration, or equivalent experience required. Chinese mother-tongue, business fluency in English, and fluency in Spanish preferred.

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.

Engineering Manager to lead the strategic direction and day-to-day performance of the cloud platform function. Shape the future architecture of the company's AWS environment and define the technical direction for the platform team. Manage a group of infrastructure and platform engineers, ensuring consistent delivery and operational excellence.

The USP Manufacturing Technician will ensure compliance with the planning of the USP Scale-Up and Manufacturing department. Responsibilities include preparing, controlling, and developing processes for the production of biological molecules, participating in audits, and investigating process improvements.

Freelance remote project assessing online advertisements for relevance, language, and cultural appropriateness. Must be fluent in English and Catalan, a resident of Spain for the past 3 years, and have access to a computer, smartphone, and internet connection.

The Incident, Problem & Change Manager ensures service stability, fast recovery, and controlled change enablement. Responsibilities include managing major incidents, driving problem resolution, and overseeing change enablement processes.

Booking & Guest Relations Executive Junior will manage apartment availability, prospect leads, and interact with customers to achieve revenue and occupancy KPIs.

Iberia Tech seeks an experienced Platform Architect to ensure the technical integrity and long-term health of enterprise platforms, primarily ServiceNow. You will define platform standards, guide technical decisions, and implement governance models.

DevOps Engineer to establish and manage Azure DevOps function, automating infrastructure and CI/CD pipelines. Requires expertise in Azure DevOps, software engineering, scripting (PowerShell), Docker Orchestration (Kubernetes), and public cloud technologies (Azure preferred).

As a Software Consultant, you will leverage your intralogistics software knowledge to support the sales cycle, from initial pitches to presenting final offers. You will act as a technical advisor for clients and the internal sales network.

The Senior Data Analyst & Clinical Data Manager analyzes clinical trial data, develops reporting and visualization strategies, and ensures data management compliance. This role leads data management activities from study start-up to database lock, optimizing data workflows and collaborating with cross-functional teams. Requires a Bachelor's Degree in Life Science or Health Informatics, fluency in English, and 5+ years of experience in the pharmaceutical sector.

Part-time English Teacher needed for kids and teens in Sabadell. Responsibilities include planning and delivering engaging lessons, assessing student progress, and creating a positive classroom environment. Must have a CELTA or equivalent qualification and experience in lesson planning and classroom management.

Logistics Manager needed to oversee daily operations, including inventory, warehousing, and distribution. Develop logistics strategies, manage vendor relationships, and ensure timely deliveries. Minimum 3 years of experience in logistics, supply chain, or operations required. Fluent in Spanish and English.