frontend developer English-speaking jobs in León

Fashion Jewellery Designer to create innovative collections, research trends, and collaborate with clients. Requires a Bachelor's degree in a related field, design portfolio, CAD proficiency, and knowledge of jewellery construction.

Senior AI Agent Developer needed for challenging projects. Requires expertise in Python (FastAPI, Pandas, NumPy), Retrieval Augmented Generation (RAG), Prompt Engineering, and LangChain/LangGraph. Experience with Azure cloud services and multi-agent frameworks is beneficial. Strong analytical and communication skills are essential.

Customer Service & After-Sales Technician for the German market. Manage orders, warranty claims, repairs, and technical support. Provide product advice and act as a key contact for dealers and the sales team.

Silbat Energy Storage Solutions seeks a Technical Project Coordinator to monitor project progress, identify challenges, and manage technical procurement. The role requires strong analytical, communication, and project management skills, proficiency in English and Spanish, and familiarity with programming languages.

Technical Responsible for Quality Assurance will build, implement, and run the Quality Management System, ensuring compliance and continuous improvement. Responsibilities include document control, GDP implementation, core QA processes, audit readiness, and cross-functional integration. Requires a Pharmacy degree and 2+ years of experience in Quality Assurance in regulated environments.

Junior Growth Specialist to support retention and loyalty campaigns, manage VIP clubs, and analyze player lifecycle performance. Requires 1-3 years of experience in growth, CRM, or retention, strong analytical skills, and proficiency in Excel/Google Sheets.

Team Assistant to support Palma office operations, including reception, customer service, scheduling, correspondence, and administrative tasks.

Leads and scales global reservations strategy for Zanzibar and Vietnam, focusing on tour operators, DMCs, and B2B distribution. Manages relationships, contracts, and group bookings while optimizing conversion and revenue. Requires experience in tour operator contracting, group management, and international markets.

Atelier Madre seeks a Fashion Designer to join their team in Barcelona. The role involves engaging with customers, sharing expertise, and assisting them in selecting bags.

Plans, coordinates, and executes photo and video productions for hotels and regional projects. Develops production briefs, shot lists, and creative concepts. Manages relationships with external suppliers and oversees post-production processes.

Install and commission Enercon wind turbines at project sites across Europe. Must have 2+ years of Enercon wind turbine installation experience and be familiar with Enercon installation procedures.

The Project Controls Manager leads a team, ensuring accurate cost management, scheduling, and performance tracking for engineering projects. Responsibilities include developing project controls procedures, monitoring KPIs, preparing reports, and coordinating with project teams and other departments. The role requires a Bachelor's or Master's in engineering, 10+ years of experience in project controls, and expertise in cost engineering, planning, scheduling, and contract administration.

Contract Assistant Manager needed with 8+ years of experience in travel agency or hotel contract departments. Must have 4+ years of experience contracting in the German market and strong knowledge of German market trends and competitors.

Power Electronics Design Engineer to design, develop, and qualify advanced power subsystems for spacecraft platforms. Responsibilities include schematic design, component selection, circuit simulation, and thermal/radiation analysis. Requires a Bachelor's or Master's degree in Electrical Engineering, Electronics, or related field and 3+ years of experience in power electronics design.

Technical Support Engineer providing product validation, customer support, and technical expertise for polyurethane viscoelastic foam in home applications.

Leads data strategy for Financial Crime, including Transaction Screening, Transaction Monitoring, Name Screening, KYC/PKYC/CRA, Alerts, cases, SARs, blocks, and regulatory data. Defines data principles, migration approach, and ensures control continuity during migration. Requires experience leading data migrations in regulated financial services.

Strategic Account Manager will manage and grow relationships with key hospitality clients in EMEA. This role involves understanding client needs, providing software solutions, and ensuring successful product implementation. The ideal candidate will have a minimum of 5 years of hospitality experience, including hotel management or supervisory roles, and hands-on experience with Opera PMS.

Develops Python-based GIS pipelines to compare map data against ground truth sources. Calculates quality metrics and implements auto-matching algorithms. Requires 3+ years Python development experience and GIS/spatial data processing expertise.

Manages sales and promotion of Cooler Master's full product range. Responsible for channel program support, sales activities, and achieving revenue targets. Requires 3-5 years of sales/marketing experience, preferably in IT and PC hardware sales. Fluency in English and Spanish is required.

Partner Account Manager for Southern Spain will develop and manage a network of regional sales partners and distributors. Responsibilities include onboarding new partners, conducting training sessions, defining business plans, and representing the company at industry events. Requires 5+ years of IT experience, strong communication skills, and fluency in Spanish and English.