frontend developer English-speaking jobs in León

Media Planner will develop and execute digital media plans, negotiate media buys, and manage campaign optimization for clients across various industries. Requires proficiency in digital marketing disciplines, strong analytical skills, and experience with advertising market tools.

Electronic Engineer needed for design, testing, and documentation of electronic hardware with a focus on analog/power electronics and mixed-signal systems. Requires 5+ years of hardware and PCB design experience, proficiency in Altium or similar tools, and familiarity with lab equipment.

A Client Advisor is needed for the TAG Heuer Boutique Las Rozas. The role involves achieving sales targets, providing memorable client experiences, and developing lasting client relationships. The ideal candidate has a minimum of 3 years of experience in retail, strong communication skills, and a passion for watches and luxury retail.

Senior Mobile AI-First Engineer will build next-generation mobile applications for restoration professionals. Responsibilities include Kotlin Multiplatform/Compose Multiplatform development, native iOS/Android development, and cross-functional collaboration. Requires 7+ years of experience shipping Android/KMP applications, expertise in Jetpack Compose/Compose Multiplatform, and experience using AI tools like Cursor, Claude Code, or Copilot.

German-speaking Sales Acquisition Specialist needed to identify and engage partners, deliver tailored pitches, and manage sales pipelines. Must have native German, excellent English, 2+ years sales experience, and CRM proficiency.

Field Service Engineer needed for on-site installation, commissioning, and technical support of power equipment. Requires electrical or mechanical engineering degree, 2+ years experience, and fluency in Spanish and English.

Leads strategy, partnerships, and user growth initiatives for mobile games in the Spanish market. Manages game partner operations, including planning, coordination, and co-marketing campaigns. Tracks game performance, analyzes data, and recommends improvements.

Zone Manager to drive new vehicle sales and dealer performance across Stellantis' multi-brand network in Spain. Responsibilities include volume growth, dealer team activation, business reviews, and support for product launches and marketing initiatives. Requires 3-5 years of automotive sales experience, a strong field sales mindset, and data-driven results orientation.

As a Medical Advisor Oncology, you will lead and manage the Oncology Medical team in Spain, developing and executing medical strategies for Oncology initiatives. You will act as the primary Regeneron medical contact for Oncology in Spain, collaborating with internal and external partners to advance patient care.

Senior Enterprise / Solution Architect to design and deliver modern, scalable enterprise systems for a global technology distribution company.

The Engineering Assistant Director supports the Director of Engineering in maintaining the hotel's physical assets to the highest standards. This role involves supervising the engineering team, overseeing preventive maintenance programs, and ensuring compliance with regulations and brand requirements.

Brand Coordinator will manage cultural programming, execute events, and produce content for social media. Responsibilities include handling PR, drafting press releases, and creating brand communications. Requires 2-3 years experience in brand management, communications, PR, or events. Fluency in Spanish and English is required.

Account Executive to drive new business growth in the Italian market. Responsibilities include prospecting, lead generation, pipeline management, and customer relationship building. Requires fluency in English and Italian, 1+ year of sales experience, and strong communication and organizational skills.

Reliability Engineer will implement and improve reliability plans for mechanical seals at customer facilities. Responsibilities include on-site support, equipment inspections, root cause analysis, and documentation. Requires a degree in Mechanical Engineering or related field, experience with pumps and seals, and strong analytical skills.

Senior Data Engineer to design, deploy, and evolve predictive models for adtech systems. Responsibilities include architecting and maintaining data infrastructure, designing feature stores, and building scalable pipelines. Experience with Apache Spark, Airflow, and AWS is required.

The Sales Executive assists the Sales team in driving revenue, identifying business opportunities, and supporting client relationships. This role involves market research, competitor analysis, sales reporting, and collaborating with internal teams.

Designs and validates thermal architectures for optical payloads and satellites to ensure mission success. Performs thermal calculations, simulations, and test planning. Contributes to satellite design, AIT activities, and operational planning.

Lead a team developing cutting-edge AI applications using Large Language Models (LLMs). Design, implement, and deploy production-ready systems integrating LLMs like GPT and Llama. Collaborate with product managers and cross-functional teams to translate business requirements into technical specifications.

Join COLIBRIX ONE – Innovating the Future of Payments At COLIBRIX ONE, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed Electronic Money Institution (FCA Reference No.

Leads and develops a team of Data Operators within Helvetia Baloise Asset Management, ensuring high-quality, reliable data delivery across key domains. Oversees data management processes, acts as a central coordination point between stakeholders, and drives data-driven decision-making.