frontend developer English-speaking jobs in León

Business Development Representatives drive rapid market expansion in new regions and segments. Focus on SMB and mid-market in e-commerce, retail, and service industries. Build a pipeline through outbound outreach, leverage personal networks, and close deals.

Lead Electronic Engineer needed for hardware conception, design, and build of new products and systems. Responsibilities include electronic circuit design and analysis, PCB layout, simulations, and leading development teams. Requires proficiency in Cadence Allegro and experience with RF and matching network design. Fluent English required.

Leads technical and analytical work on power system modeling, grid connection assessments, and strategic grid planning for renewable energy projects across Europe. Evaluates grid hosting capacity, connection feasibility, and system flexibility to support investment decisions. Monitors regulatory and technological developments and engages with industry stakeholders.

Drives sales growth of utility-scale solar PV and energy storage projects in Europe. Develops and manages relationships with named accounts, leading projects from early engagement to contract signing. Collaborates with technical teams on pre-sales activities, bid preparation, and project delivery. Requires 5+ years of experience in utility-scale ground-mounted projects and renewable energy sales.

Controlling & Cash Manager for international consumer goods organization. Focus on financial steering, cash forecasting, working capital optimization, and overhead control, including personnel costs. Requires 8-12 years of finance experience, strong analytical skills, and proficiency in SAP and Excel.

International Logistics & Purchasing Lead for a fast-scaling furniture and home décor brand. Manage and optimize international purchasing and logistics, including import/export, supplier relationships, and shipment coordination.

Calypso Functional Senior Consultant needed for a major international initiative incorporating new Equities & Equity Swap module into the Calypso v17+ platform.

Impress seeks a Group Financial Control Director to lead global consolidation and IFRS compliance. The role involves automating accounting processes, mentoring a team, and serving as the primary contact for external auditors. Requires 10+ years of experience as a Group Controller in multinational environments, IFRS expertise, and leadership skills.

TAG Heuer Client Advisor needed for boutique in Las Rozas. Minimum 3 years experience in retail. Passion for watches, luxury retail, and client development. Fluent in English and Spanish. Strong sales skills and knowledge of KPIs. Must embody the TAG Heuer brand and provide exceptional customer service.

Account Executive to drive the full sales cycle for a SaaS search solution for e-commerce stores. Requires 2+ years of B2B SaaS sales experience, fluency in Polish (C2) and English (B2), and a results-driven mindset.

Maintains inventory records, receives and verifies merchandise, and ensures timely dispatch. Organizes and labels goods, processes documentation, and participates in fiscal inventories. Supports sales by providing product presentations and assisting with customer service.

Highly ambitious Founder Associate to drive company strategy, finance, and operations. Own high-stakes projects, build financial models, analyze markets, and support business development. Minimum 2+ years experience in a high-performance environment. Proven ability to design and deploy AI-powered automation systems.

Sales Assistant Intern will support the Store Manager and boutique team in achieving sales goals, providing excellent customer service, and developing client relationships.

Customer Service Specialist acts as a liaison between customers and the company, ensuring excellent service standards and resolving customer issues. Provides accurate information, identifies customer needs, and collaborates with internal teams. Requires 5+ years of experience in a similar role, fluency in Spanish or Catalan, and proficiency in Office Tools.

Programmatic & Full-Funnel Media Manager to plan, activate, and optimize Amazon DSP campaigns across the full funnel. 3-5 years of experience in programmatic media or retail media with hands-on experience in Amazon DSP required.

Java Support Analyst needed for a stable international project in Madrid. Responsibilities include platform monitoring, incident resolution, debugging support, and proposing service improvements.

Iberostar Hotels & Resorts seeks a Teppanyaki Specialist to prepare and cook dishes, interact with diners, and maintain a clean and safe work environment. Experience in Teppanyaki service, excellent customer service skills, and knowledge of food safety are required.

Javascript Developer will analyze, develop, and track requirements for A/B tests on web platforms. Responsibilities include unit and manual testing, cross-functional collaboration, and code reviews. Requires 5+ years of experience as a Frontend Engineer with in-depth knowledge of JavaScript, TypeScript, HTML, and CSS.

Event and Travel Manager to manage pharma client projects from planning to execution. Responsibilities include budgeting, client communication, travel arrangements, and ensuring project profitability. Requires 3+ years experience as a MICE and Travel Specialist in the pharma industry, fluency in Portuguese and English, and expertise in Amadeus.

Analyst will work in BCG's People & Organization Practice and Tech and Digital Advantage areas, focusing on (Gen)AI and digital transformation. Responsibilities include providing expert advisory, analysis, and insights, developing intellectual property, and supporting commercialization efforts. Requires 1+ year of experience in a leading consulting or technology firm, or 1+ year of industry experience. Strong understanding of (Gen)AI market trends, use cases, and enabling technologies is necessary. Excellent communication and collaboration skills are essential.