frontend developer English-speaking jobs in León

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.

Administrative Procurement Specialist / Manager will handle daily procurement activities, including sourcing, quotation requests, contract review, and supplier management. Requires a Bachelor's degree, 3+ years of experience in administrative procurement, and fluency in Spanish and English.

Senior Project Engineer to coordinate engineering activities across three industrial construction projects (~€100M combined value) in Spain.

Receptionists provide exceptional customer service as the first point of contact for students, managing daily operations, handling inquiries, and resolving issues. They ensure smooth check-in and check-out processes, process payments, and assist with administrative tasks.

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. Strong documentation and communication skills are essential.

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.

Sales Development Representative to achieve sales targets and maximize sales opportunities. Requires Swedish (C2) and English (C1) fluency, previous sales experience, strong communication skills, and a goal-oriented mindset.

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. Fluency in Spanish and English, 1+ year of commercial experience, and excellent communication skills are required.

Sales Development Representatives (m/f/d) are needed to identify and engage German business customers, introduce SAP's digital solutions, and drive lead generation.

Telecommunication/electrical engineer to coordinate subcontractors, integrate measuring devices, and maintain electronic systems. Requires an engineering degree, knowledge of energy and communication management, and experience with cabinet design and assembly.

Coordinates domestic and international inbound and outbound shipments, ensuring timely and cost-effective deliveries. Manages transport orders, communicates with carriers and stakeholders, and resolves operational issues. Analyzes transport data, tracks costs, and supports continuous improvement initiatives.

Industrial Maintenance Technician needed for a permanent position in Martorell. Responsibilities include performing preventive and corrective maintenance on production equipment, diagnosing faults, and carrying out repairs. Requires a Higher Vocational Training in Electromechanics, Industrial Mechatronics, or similar, and a minimum of 4 years of experience in industrial maintenance.

Medical Affairs Scientific Partner will build scientific relationships with key opinion leaders in pathology, oncology diagnostics, and laboratory medicine across Germany, the UK, and Spain. The role involves supporting the implementation of diagnostic platforms and digital pathology systems, providing scientific education, and interpreting scientific literature.

This Legal Counsel role is responsible for managing all legal affairs for Spanish operations, including contract drafting and negotiation, risk management, compliance, and supporting new business ventures in Portugal. The position requires strong project management, legal research, and communication skills.

This 6-month internship supports the Marketing team in creating and adapting graphic materials for internal and external projects. The Graphic Designer Trainee will design banners, brochures, catalogs, presentations, and social media assets, ensuring brand guidelines are followed. Proficiency in Adobe Creative Suite and Microsoft Office is required.

Remote, project-based opportunity for language-savvy individuals to review bilingual scripts and audio recordings to ensure quality and accuracy.

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.

Senior QA Technologist will lead quality investigations, process validation, and manufacturing control reviews. Experience with GFSI standards, HACCP, TACCP, and VACCP is required. Must have strong analytical and communication skills and be fluent in Spanish.

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

Designs and delivers robust, scalable satellite-to-ground connectivity solutions across Europe, Africa, and Asia. Shapes gateway architectures, integration patterns, and technical workflows. Collaborates with project managers, delivery teams, and engineering to ensure technically sound and operationally sustainable solutions.