frontend developer English-speaking jobs in León

Korean Air seeks a Cargo Traffic Agent for a one-year contract at Madrid Airport. The role involves managing daily cargo operations, handling irregularities, and supervising documentation and loading/unloading processes. Must be legally authorized to work in Spain and possess a bachelor's degree and fluency in English and Spanish.

Support Engineer will provide Level 2/expert customer support for Audience measurement systems, analyzing and resolving issues, and supporting installation and maintenance. Requires technical experience in network distributed architectures, Linux systems, and multimedia applications. Fluent English communication and occasional travel are required.

Job DescriptionWe are seeking a Product Manager with a strong technical background and a deep understanding of the hospitality industry. This individual will oversee the development of our product line, concentrating on the advancement of our Guest Communications and automated cases products.

This role is a Marbella-based Local Producer responsible for the end-to-end physical execution of high-quality YouTube shoots. You act as the bilingual bridge between an English-speaking Creator and local Spanish resources, handling everything from location scouting and permitting to hiring technical crews. Ultimately, you are the "Fixer" who builds the entire production infrastructure so the talent can arrive and start filming immediately.

Acercanza Consulting seeks two Senior Scrum Masters to support multiple Tech & Engineering squads within Receivables Finance at a Tier 1 Bank. Roles are based in Madrid and Málaga and require experience as a Scrum Master supporting multiple technology teams, a strong background in Global Transaction Banking, and Working Capital / Receivables Finance knowledge.

Supply Chain & Packaging Engineer to design and implement efficient solutions for industrial projects, ensuring safety, quality, and cost optimization.

Solutions Architect needed for complex, large-scale IT projects. Requires senior experience in solution architecture, cloud platforms (AWS, Azure), integration architectures, and API paradigms. Must have strong communication and documentation skills.

He/she will be primarily responsible for guiding the Planners through this seasonal process. This position will ensure the Planners will focus on cross-functional and cross-regional partnerships to effectively produce timely forecasts that help align the long-term company goals.

Fullstack Engineer needed to design, develop, and maintain web applications and tools for a space engineering and telecommunications company. Responsibilities include developing front-end and back-end systems, REST APIs, and Python scripts. Requires a computer science or telecommunications degree, 3+ years of experience, and proficiency in JavaScript, Python, and relevant web technologies.

Performs regular and unscheduled maintenance on mechanical aircraft components and installations. Troubleshoots, repairs, and conducts quality inspections on mechanical equipment.

Marketing Content Specialist will create on-brand visual and written content for Paid Social, CRM, and Paid Search campaigns. Responsibilities include developing creative assets, writing copy, and collaborating with channel leads. Requires 3+ years of content creation experience, strong design skills, and proficiency in tools like Figma and Adobe Creative Suite.

At Ames Arquitectos, an architecture studio specialising in high-end residential projects, we are looking to incorporate into our team an Architect with experience in the development of Basic Design Projects, who is keen to join a demanding, collaborative professional environment focused on architectural excellence.

Asset Integrity Project Engineer manages and delivers engineering projects within scope, schedule, budget, and quality. Requires 3+ years energy sector experience, project engineering/management experience, and fluency in English.

Clinical Trial Assistant needed with 2+ years of experience managing TMFs in clinical trials. Responsibilities include overseeing TMF setup, maintenance, and close-out, assisting with document collection and tracking, and providing administrative support to the clinical operations team. Requires a Bachelor's degree in Life Sciences or related field, experience with billing/financial management in clinical trials, and familiarity with SAP.

Executive/Personal Assistant to provide high-touch support blending business operations and lifestyle management for PACO Services in Madrid.

Engineering Manager to lead, coach, and develop a team of engineers. Own technical quality of cloud services, from design to operations. Contribute to architecture decisions, code reviews, and engineering standards.

We seek an SMM Manager to manage daily social media operations, including content publishing, link placement, monitoring, and performance tracking. Requires proven social media management experience, understanding of content workflows, and proficiency with social listening and monitoring tools.

Quality Engineer will design, implement, and maintain automated tests in an agile SCRUM environment. Promote a "quality-first" mindset and collaborate with the team to improve software quality. Requires 3-5 years of experience in software quality, automation tools (e.g., Selenium, JUnit, TestComplete), and CI/CD processes.

Data Scientist to join an international team supporting digital transformation and AI research. Develop advanced data processing, analytics, and visualization solutions. Requires strong Python, Elasticsearch, SQL, and data analytics skills. Experience with NLP, neural networks, and deep learning is essential.

Change Lead will translate global change strategies into local execution, ensuring business readiness for new ways of working. Responsibilities include leading local communications, stakeholder engagement, training, and monitoring change progress.