frontend developer English-speaking jobs in León

Sales Process Engineer will identify and develop business opportunities in industrial sectors, offering turnkey engineering projects focused on optimizing energy utilization. Responsibilities include establishing client relationships, proposing solutions, leading contract negotiations, and collaborating with engineering teams. Requires a degree in Chemical or Industrial Engineering, relevant experience in process engineering or sales, and strong technical and commercial skills.

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.

QA Technician to ensure compliance with GMP, regulatory, and internal standards. Responsibilities include CAPA, CC, and complaint management, PQR preparation, supplier homologation, and audit support. Requires a degree in Pharmacy, Chemistry, or Sciences, 3+ years of experience, and knowledge of EU & US GMPs.

Territory Manager to lead sales of POS solutions and payment devices, build and manage a team of Field Sales Representatives, and expand market presence.

Scientific Advisor Trainee to support planning, implementation, and follow-up of clinical studies. Contribute to medical plans, provide scientific support to cross-functional teams, and interact with healthcare professionals. Degree in Medicine, Pharmacy, or Life Sciences required. Previous experience in healthcare, clinical research, or pharmaceutical environment is a plus. Strong communication and presentation skills essential.

Pre-Sales Consultant needed to secure complex TMS deals in France and Spain. Shape scope and value, design demos, and lead tender responses. Requires transport, supply chain, or logistics experience plus consulting, project, or pre-sales experience. Fluency in Spanish is essential.

Country Services Director for multinational company providing engineering, architecture, and civil engineering solutions. Requires proven experience in business management, team leadership, and service delivery within a multinational environment.

International Purchasing Specialist will lead the implementation of a unified travel booking tool and policies across International 1. This role involves collaborating with stakeholders, training users, and managing vendor relationships to optimize travel costs and service quality.

Experienced sales professional to drive growth for ion exchange resins, membranes, specialty chemicals, and water treatment solutions in Spain and across Europe.

This 12-month internship provides practical experience in HR administration and support for the Managing Director. The role involves payroll processing, employee lifecycle support, recruitment assistance, and managing administrative tasks for the Managing Director.

Elysian Tales seeks a City Manager in Barcelona to coordinate local operations, build partnerships, and ensure seamless execution of gastronomic experiences.

Field Sales Engineer needed to manage existing accounts, identify new market opportunities, and lead the sales process. Requires a degree in electrical engineering or a related field, industry knowledge in industrial automation, and strong communication and negotiation skills.

Account Manager will commercialize SaaS software solutions for EDI, electronic invoicing, and tax compliance to multinational companies. Responsibilities include prospecting, solution presentations, contract negotiation, and account management. Must have a university degree, strong communication and negotiation skills, and advanced English proficiency.

Solutions Architect specializing in Cloud Infrastructure and MLOps will design, architect, and implement high-performance cloud solutions for enterprise clients. Responsibilities include acting as a trusted technical advisor, running proofs of concept, and collaborating with customers to understand business requirements. Requires 5 years of experience in a technical role, strong hands-on experience with Infrastructure as Code, Kubernetes, and Python, and a solid understanding of GPU computing for ML workloads. Fluency in French, Spanish, or Portuguese is required.

Account Executive will acquire new clients, manage existing portfolios, and provide training and consulting to clients in the wedding industry.

DFT & Post-Silicon Validation Engineer to develop and implement DFT methodologies, support post-silicon validation, and analyze silicon test results. Requires 5+ years of experience in DFT, silicon validation, or related roles and strong knowledge of DFT methodologies.

Lead system engineering and architecture of innovative automotive systems, translating customer needs into specifications and system documents.

Regional Sales Manager to drive growth of workflow automation and print software solutions across Spain. Manage the full sales cycle, build relationships with printing industry clients, and represent ECO3 at industry events.

Leads, coordinates, and supervises pharmaceutical development projects outside Spain and with external partners. Manages formulation, analytical, and process development activities, ensuring compliance with regulatory requirements and project deadlines. Supervises a team, reviews project documentation, and drives technology transfer to the flagship plant in Spain.

Coordinate and conduct clinical research studies, ensuring compliance with protocols, GCP, and regulations. Recruit, screen, and enroll patients, obtain informed consent, and administer investigational drugs. Monitor participants for adverse events and maintain accurate documentation.