frontend developer English-speaking jobs in León

Field Service Engineer needed to provide onsite and remote service and support for Next-Generation Sequencing (NGS) instruments. Troubleshoot, repair, and perform preventive maintenance on NGS systems. Install and decommission systems at clinical sites. Provide technical phone support and training. Develop and update service documentation. Bachelor's degree in engineering, Science, or related field required. Proven experience servicing electro-mechanical systems. Strong communication and customer service skills. Must be proficient in Microsoft Office applications. Willingness to travel. Knowledge of Spanish and English required.

Experienced 3D Artist needed to create photorealistic models of luxury home décor, furniture, and lighting products. Must have 4+ years of experience working with luxury brands and proficiency in ZBrush, Rhino, or equivalent software.

Senior Quality Assurance Specialist ensures compliance with GxP, regulatory, and internal standards within affiliates/subsidiaries. Manages quality documentation, technical agreements, and supports quality teams in resolving issues. Requires a minimum of 2-3 years of experience in quality assurance or quality systems.

Provides administrative and operational support to the Collection Program Manager. Assists with monitoring processes, preparing reports, coordinating activities, and collaborating on projects. Supports the planning, coordination, and management of royalties. Requires a university degree in Finance, Accounting, or related field and at least 2 years of relevant experience.

Clinical Field Specialist to manage and monitor a European-wide clinical study for a novel medical device. Responsibilities include site management, protocol adherence, patient recruitment tracking, and documentation. Requires a Bachelor's or Master's degree in a relevant field, 3+ years of experience in medical device studies, and fluency in English.

Experienced researchers and scientists with a PhD in Catalysis Research are sought to serve as Editorial Board Members for "Current Catalysis" journal. Responsibilities include contributing to journal development, selecting topics, reviewers, and authors, and reviewing submitted articles.

Senior Accountant needed for Family Office team. Responsibilities include performing accounting activities, ensuring compliance with accounting principles and standards, and managing department activities. Requires 8+ years of experience, strong knowledge of accounting and tax regulations, and proficiency in accounting ERPs.

Senior technical leader responsible for shaping, architecting, and winning large-scale Digital Workplace Managed Services and Professional Services deals. Provides technical vision, architectural governance, solution assurance, and executive client engagement.

Junior Operations & Finance Executive to support business growth. Responsibilities include financial administration, operational compliance, KPI tracking, and performance reporting. Must have strong spreadsheet and data analysis skills, be highly organized, and possess a commercial mindset.

IT Technical & Functional PM Sr. Consultant in Payments and Payments Technologies & Standards. Leads projects, ensures alignment across workstreams, and provides expert-level services supporting Payment's initiatives. Defines, refines, and manages project scope and delivery approach, identifying gaps, risks, and mitigation actions. Leads requirements definition and validation activities, engaging with business and operations stakeholders. Coordinates development activities across internal teams and external vendors. Manages Change Management activities, including software deployment changes. Acts as a subject matter expert, providing advanced troubleshooting for complex applications, systems, and integrations. Supports day-to-day processing, resolves functional and technical issues, and addresses user queries. Participates in incidents, problems, and change management processes. Contributes to technical/architectural design proposals. Ensures appropriate knowledge transfer and documentation. Experience working within controlled production environments with strong governance.

Security Engineer, Red Team will conduct penetration tests, vulnerability research, and threat modeling to strengthen defenses against real-world attacks.

The Global VP of Sales will define and execute the international commercial strategy for a fast-growing food & beverage company. This role leads revenue growth, market expansion, and channel development across key international markets.

Senior Voice Account Manager to build, manage, and expand commercial relationships with international telecom operators, carriers, and aggregators.

Power Platform & Power BI Consultant to work on data projects. Requires 3-10 years of experience with Power Apps, Power Automate, connectors, and Power Platform ALM. Strong analytical and communication skills needed.

Financial Controller & Bookkeeper needed for two companies. Manages full accounting cycle, financial operations, and reporting. Requires 3+ years of Big Four audit experience, fluency in English, and strong accounting and tax knowledge. Experience with SAP Business One is a plus.

Growth Marketing Lead (P/T, Remote – ES) for UK-based international company. Define and lead growth strategy across channels, analyze data to identify opportunities, and work with Product, Sales, and Content teams to improve the customer journey.

Functional QA with 3+ years of experience needed for a multinational company's digitalization project. Responsibilities include UAT, business verification, test case design, documentation, and release support. Must have experience in regulated environments (GxP), GAMP5, and structured documentation. Strong communication and attention to detail required. English C1 level mandatory.

Develops sales strategies and action plans to achieve revenue targets. Identifies and converts new business opportunities in the European media, broadcast, and communications industry. Advises customers on solutions and industry trends, building large-scale business solutions. Engages senior executives to secure long-term business opportunities.

Sales Assistant needed for a fashion store in Murcia. The role involves providing excellent customer service, assisting with sales, managing stock, and implementing visual merchandising guidelines. Previous customer service experience and a passion for fashion are required.

Experienced Compliance & Regulatory Lead needed to ensure EMEA operations meet medical device industry standards. Will serve as primary point of contact for regulatory topics, lead regulatory planning, and support new country launches. Requires EU MDR knowledge, experience with local declarations and registrations, and strong cross-cultural communication skills.