frontend developer English-speaking jobs in León

Salesforce Technical Lead needed for a Merkle & Dentsu company specializing in Customer Experience services. Provide technical support, design solutions, and ensure project success. 3+ years of Salesforce implementation experience required, including Sales Cloud, Service Cloud, and Marketing Cloud.

Client Advisor for Emporio Armani corner in El Corte Inglés Marbella. Provide excellent customer service, advise on collections, and build customer relationships. Must have at least 3 years of experience in fashion sales.

Ayesa seeks a Senior Business Developer & Project Manager for transport infrastructure projects in Europe, Middle East, Asia & Africa. Responsibilities include business development, market research, bid management, and project control and management. Requires a Civil Engineering, Architecture, or similar degree and 10-15 years of experience in the engineering sector. High English level required, Portuguese and Italian are valuable.

Industrial Designer to create original product designs for the beverage industry. Translate creative briefs into 3D models, collaborate with global clients, and ensure designs meet aesthetic and production requirements.

Sales Account Manager specializing in polyolefins (PE/PP) to drive business growth and manage key accounts in the Iberian market.

Travel Agent fluent in French and English needed to manage air and train bookings for corporate events. Experience with GDS tools and travel management required.

Experienced real estate agent needed for high value sales in Marbella. Manage client relationships, handle viewings, negotiations, and drive transactions to completion. Proven sales experience and fluency in English required.

Senior Python Developer needed for a cybersecurity startup in Barcelona. Develop and scale a new product line focused on real-time monitoring, telemetry collection, and remote execution. Expertise in Python, asyncio, RESTful APIs, PostgreSQL, Docker/Kubernetes, and event-driven architectures required. English fluency is essential.

Sales Assistant to support the sales team, manage customer accounts, process orders, and handle customer communication. Requires 2+ years of administrative experience, excellent customer service skills, and proficiency in English. Experience with Navision ERP is a plus.

The Winemaker coordinates production, supply chain, and client interface activities at the site. Responsibilities include translating sales forecasts into production plans, leading the supply chain team, and serving as the primary point of contact for clients. The role requires a background in winemaking or related fields, experience in operations and supply chain leadership, and strong communication and financial skills.

Lead packaging process development from concept to market launch, applying Lean Manufacturing and Six Sigma methodologies. Partner with R&D teams to ensure product manufacturability and optimize production cost and performance. Drive cost reduction and process improvement initiatives, resolving packaging issues at manufacturing sites.

Electronics Engineer to design board-level electronic systems for satellite units and RF boards. Focus on power, control circuits, and microcontroller-based systems. Test, validate, and troubleshoot hardware. Collaborate with multidisciplinary teams.

Job SummaryDevelops and performs tasks related to the technical repair, calibration, operation, and maintenance of Werfen Instrument Systems. This includes troubleshooting and diagnosing technical issues, conducting routine, calibrating equipment to ensure optimal performance, and performing necessary repairs to restore functionality.

Manage and grow relationships with iGaming clients, ensuring smooth payment operations and driving revenue growth.

The Field Account On Trade will drive sales and develop strategic relationships with key customers in the assigned area. Responsibilities include implementing the Commercial plan, negotiating Point Sales, and identifying opportunities to maximize Bacardi's performance in the On Trade.

Estimating Engineer for utility-scale PV and BESS projects. Prepares EPC cost estimates, develops CAPEX breakdowns, and coordinates with engineering, procurement, and construction teams. Requires 3+ years of experience in EPC estimating for utility-scale PV projects (≥50 MW) and experience with BESS projects is highly desirable.

Claims Specialist to join Automotive Claims team. Part-time training role initially, transitioning to full-time. Responsibilities include claims processing, liability assessment, repair-cost analysis, and settlement support. Requires strong analytical skills, attention to detail, and fluency in English.

This role involves outbound outreach using LinkedIn Sales Navigator, email, and phone calls to qualify leads and book meetings for senior sales. The BDR will use approved materials and CRM tools to manage leads and track progress.

Lead the management team of a 15-room wellness retreat in Andalucia, Spain. Responsible for the hotel's commercial success, brand standards, and guest experience. Requires strong hotel operations experience, passion for guest service, and leadership skills.

Assures compliance with GMP, regulatory, and internal standards. Develops and reviews SOPs, manages documentation, and supports CAPA, PQR, and Change Control activities. Provides support for audits, inspections, and customer/authority requests.