frontend developer English-speaking jobs in León

Geotechnical Engineer needed for a major tunnelling and foundation design project in Madrid. Requires 5-10 years' experience in geotechnical & foundation engineering, tunnelling design, and experience with PLAXIS, RS2, Rido, Slide, Swedge, and RocPlane.

Head of Customer Support will lead and supervise the European support team, providing guidance and training. Responsibilities include resolving customer inquiries, fostering a positive team culture, and identifying process improvements. Requires a Bachelor's degree, 8+ years of leadership experience in support or related roles, and previous banking or financial technologies experience.

Lead PK activities across drug development programs. Design, execute, and interpret pharmacokinetic and pharmacodynamic analyses. Prepare protocols and reports, analyze PK data, and provide ADME/DMPK input into study design.

Design, test, and execute marketing automation CRM campaigns. Define workflows and triggers based on customer segments and their journey stage. Ensure campaign quality, deployment, and performance analysis.

Sales Development Representative will initiate conversations with C-Suite executives and owners of small-to-mid-sized companies to discuss strategic partnerships. Responsibilities include executive outreach, lead qualification, and strategy alignment. Must have 6+ months of experience in an SDR or B2B sales role and professional level English.

Designs and develops scalable training solutions, including eLearning, instructor-led training, and other training collateral for the Passenger Portfolio. Collaborates with product managers, solution specialists, and subject matter experts to gather training requirements and translate them into engaging learning experiences.

Leads and executes a complex portfolio of cybersecurity programs across the organization, ensuring strategic alignment and on-time delivery. Oversees infrastructure security, application security, IAM, cloud hardening, and regulatory compliance initiatives. Drives cross-functional coordination and ensures adherence to security standards.

Fractional Product Manager needed for a leading international digital product company. Own product discovery and delivery, translate business needs into product requirements, and collaborate with engineering teams. 6+ years of experience as a Product Manager in digital products required. Solid technical understanding and proven ability to connect product decisions with business impact.

Amusnet seeks a Legal Counsel to handle legal matters including drafting agreements, researching domestic and foreign law, and ensuring legal compliance.

Indra Space seeks a Cybersecurity Engineer to design software architectures using COTS and open-source components. The ideal candidate will analyze cybersecurity requirements, ensure compliance, and collaborate with cross-functional teams. Experience with SW COTS, preferably in the space domain, is required.

Theoretical Physicist specializing in Atomic, Molecular, and Optical (AMO) physics needed to develop models, perform simulations, and provide analytical insight for quantum and optical systems.

Architect needed for a new Barcelona Design Studio supporting international projects. 5-8 years of experience required, including full design cycles using Revit/Rhino and BIM workflows. Fluent English essential, Spanish valued.

Data Architect needed to translate business requirements into scalable data models and architectures. Collaborate with teams to align data products with operational goals and define enterprise data architecture standards.

Senior Machine Learning Engineer will design, build, and maintain machine learning pipelines and infrastructure for both conventional and GenAI models. Collaborate with data scientists to integrate machine learning models, including LLMs, into production systems. Develop and maintain data processing pipelines for structured and unstructured data.

Internal Audit Manager will lead and deliver operational and financial audits across global operations. Responsibilities include planning and executing audits, communicating with stakeholders, and identifying control weaknesses. Requires 7-10 years of audit experience, including at least 2 years as a manager, and strong knowledge of internal controls and risk management.

QA Technician to ensure R&D activities comply with internal SOPs, GMP, and EMEA/FDA legislation. Responsibilities include reviewing and approving documents, performing audits, and collaborating with QA-R&D on client audits and Health Authority inspections. Requires a degree in Health Sciences, fluency in Spanish and English, and 2+ years of Quality Assurance experience.

Part-time licensed psychotherapist needed to provide counseling to adults via a tech-enabled platform. Must have 3+ years of experience, be comfortable with telehealth, and proficient in evidence-based modalities.

Senior Biostatistician to design and execute clinical trials (Phases I-IV) for a leading international pharmaceutical company. Responsibilities include developing protocols, statistical analysis plans, and study reports. Requires PhD (3+ years) or MS (5+ years) in Biostatistics, Statistics, or related field with proven experience in the pharmaceutical industry. Strong proficiency in SAS, R, or Python is essential.

ADP seeks a Digital Sales Representative for the Danish market. The successful candidate will introduce ADP solutions to prospective clients, build relationships, and win new business. Requires 5-8 years of successful B2B sales experience in a large account environment, demonstrated sales aptitude, and fluency in Danish and English.

Event Manager needed for a long-term international campaign in Málaga, Spain. Coordinate all logistical elements of corporate events, from planning to execution. Manage vendor relationships, on-site support, and administrative tasks.