frontend developer English-speaking jobs in León

Develop and maintain the backend architecture for an LLM-based crisis assistant chatbot focused on flood and wildfire management. Integrate large language models with conversational logic, implement RAG pipelines, and design prompt strategies for safe user interactions. Collaborate with cross-functional teams and document system design and evaluation outcomes.

Executive Assistant to support 3 investment professionals in a global private equity firm. Responsibilities include calendar management, travel arrangements, meeting coordination, and correspondence. Requires 5-10 years of experience supporting senior executives in a global firm, ideally financial or professional services. Fluency in English and professional level Spanish are essential.

Experienced Electrical Engineer (PMC) sought for steelmaking project. Oversee electrical engineering, ensure compliance with standards, coordinate with EPC/EPCM partners, and manage 3D model coordination.

Receptionists provide exceptional customer service as the first point of contact for students, managing inquiries, complaints, and check-in/check-out processes. They ensure smooth operations, handle administrative tasks, and assist with building security.

We are seeking a passionate Assistant Sommelier to support our distinguished wine program. Responsibilities include assisting with wine service, guiding guests through our curated list, and maintaining cellar organization. Previous fine dining experience and strong communication skills are preferred.

Product Engineer to build production-ready features across our stack, from backend services to frontend applications. Drive architecture, align technical decisions with business goals, and partner to establish team goals.

DevOps Engineer to build, operate, and scale cloud infrastructure. Collaborate with engineering teams on deployments, manage CI/CD pipelines, and monitor systems. Experience with AWS, Kubernetes, Docker, Terraform, and scripting is required.

Golfyr seeks a passionate golf enthusiast to represent the brand in Palma, Mallorca. The Golfyr Ambassador will grow brand awareness through local partnerships, events, and community engagement. This flexible, commission-led role is ideal for someone with a strong network in golf, business, luxury, or lifestyle circles.

IT Vendor Risk Analyst will perform risk assessments of third-party vendors, evaluate control environments, and monitor vendor risk throughout the lifecycle. Collaborate with Procurement, IT, Security, and Risk teams to strengthen vendor governance and support regulatory compliance.

The Front Desk Manager leads the Front Desk Team, ensuring a seamless and memorable guest experience. This role requires strong hospitality, communication, and leadership skills, along with the ability to manage financial, development, and training aspects of the team. The Front Desk Manager is responsible for guest satisfaction, team performance, and the overall efficiency of Front Desk operations.

Provides pre-sales technical support for utility-scale solar PV and energy storage projects, including system design and bid analysis. Develops technical proposals and solutions, interprets tender documents, and tracks market and technology trends. Requires 3-5 years of experience in pre-sales, solution engineering, or technical support for PV and energy storage systems.

Volunteer testers needed for Askeal, an AI assistant for cybersecurity operations. Test Askeal in real operational contexts such as threat intelligence gathering, security analysis, and incident response.

Senior Business Development Manager to drive sales and business development of Data Driven Care solutions in the Spanish market. Leads market development efforts, including partner collaboration, product marketing, and sales pipeline building. Requires 5-8 years of experience in B2B/public sector sales of enterprise software solutions, preferably in healthcare.

The BMS Commissioning Engineer will lead the implementation, configuration, and commissioning of BMS systems across projects. This role involves coordinating system integration, reviewing control architectures, and ensuring compliance with project specifications and technical standards.

Data Factory Source needed for a leading pharmaceutical company. Will translate business data needs into structured specifications for data ingestion. Requires 3-5 years of experience in data management, business analysis, or data integration roles. Experience drafting data contracts and working with data dictionaries is preferred. Solid understanding of data architecture, data modeling, and relational databases is required.

Revolut seeks a New Business Account Executive to drive customer acquisition and engagement for Revolut Business in the Iberia market. The role involves prospecting, lead generation, pipeline management, and closing deals.

Expert Space Systems Engineer needed for new and ongoing projects. Define requirements, manage budgets, assess test approaches, and collaborate with cross-functional teams.

Manages the European service team, including recruitment, training, and performance evaluation. Oversees service channels, analyzes data, and collaborates with cross-functional teams. Develops and manages the service operations budget.

Consultant/Manager will lead projects, applying expertise in supply chain and/or procurement to solve client problems. Requires 5-12 years of experience in industry or consulting, strong communication skills, and the ability to manage client relationships.

Supervises installation, commissioning, and maintenance of power transformers and GIS equipment. Provides on-site technical service, troubleshooting, and training. Manages returns, claims, and reports. Requires a degree in Electrical Engineering and 3-5 years of experience. Fluent English required, French or Italian a plus.