frontend developer English-speaking jobs in León

The Digital Hub Manager establishes, operates, and grows the SUEZ Digital Solutions hub in Alicante, Spain. Responsibilities include financial and project budget management, office operations, people leadership, and cross-functional coordination. The role requires fluency in English, Spanish, and French, as well as strong project management, collaboration, and communication skills.

Technical Responsible for Medical Device Manufacturing needed to support production of high-quality medical devices. Experience with medical devices using liquid nitrogen for cryopreservation and tissue conservation is required. Responsibilities include ensuring regulatory compliance, reviewing finished products, coordinating qualification and validation activities, and providing technical guidance to production and quality teams.

Site Manager needed for photovoltaic projects. Responsibilities include ensuring project completion, monitoring progress, coordinating with internal departments, and managing the site team. Requires experience in construction project management and strong communication skills.

Senior Mobile Engineer (L4) to lead technical planning and execution of mobile features and projects. Serve as technical point of contact, mentor engineers, and collaborate with product and design teams. Must have 6+ years of experience in mobile software development with experience acting as a technical lead on mobile projects. Strong experience in native mobile development (Android: Kotlin, Jetpack Compose; iOS: Swift, SwiftUI). Solid understanding of data structures, system design, and mobile architectures. Bachelor's Degree in Computer Science, Software Engineering, or related field. Fluent English.

QA Manual will contribute to end-to-end testing activities across complex projects. Responsibilities include designing and executing test strategies, performing manual and API-based testing, and using Azure DevOps for test tracking and reporting. Requires 5 years of experience as a Software Tester or QA Engineer, strong proficiency with Azure DevOps, Postman, and Katalon, and advanced proficiency in Spanish, English, and French.

Technip Energies seeks a Quality Engineer to support document control, implement quality processes, and collaborate on documentation, audits, and quality control. Requires a bachelor's degree in Engineering and a master's degree in Quality Management, plus one year of experience as a Quality Engineer, preferably in the Oil & Gas industry. Fluency in English (C1 level) is required.

As a Global Partner Marketing Manager at Group-IB, you will design and scale the global partner marketing program, driving measurable growth across regions. You will build co-marketing campaigns with top-tier partners, elevate Group-IB's brand within the partner ecosystem, and support partner recruitment strategies.

Leads and manages an end-to-end testing team for SaaS Transportation Management System (TMS) implementations. Owns testing strategy for customer configurations, integrations, and workflows. Plans and executes functional, integration, regression, and UAT support testing. Coordinates testing activities with Engineering, Product, and Customer teams.

Experienced SAP S/4HANA Developer needed to build and optimize solutions using Fiori, ABAP OO, BTP, Java, and OData. Collaborate with teams to ensure seamless system integration and deliver new business requirements. Strong troubleshooting and problem-solving skills required. Fluent English essential.

Junior Brand Designer to support brand consistency across all channels. Responsibilities include creating assets, maintaining the website, and ensuring visual consistency. Experience in brand/visual design, video production, and HTML/CSS is required.

Leads the development of software applications for configuring and planning military communication equipment. Requires 5+ years of experience in electromechanical design and power systems for aerospace or defense, proficiency leading software development teams, and knowledge of industry standards. Must have C/C++, Java proficiency, English fluency, and eligibility for NATO clearance.

Director of Engineering to lead and coordinate multi-disciplinary engineering teams across mechanical, electrical, and systems domains. Translate strategic objectives into executable engineering plans and drive a culture of accountability and problem-solving.

International Product Manager will work in a global environment, collaborating with Area and Store Managers to implement commercial strategies. Responsibilities include analyzing sales data, identifying opportunities, and coordinating product distribution. Requires a minimum of 2 years of experience as a Product Manager, fluency in Spanish and English, and strong analytical skills.

The AMD Physicochemical Laboratory Technician will coordinate the development, implementation, qualification, and transfer of physicochemical analytical methods. Responsibilities include designing experiments, reviewing documentation, generating protocols and reports, supervising sample analyses, and developing standard operating procedures.

Mechanical Design Engineer needed for R&D Center. Responsibilities include designing non-standard automated systems for fruit and vegetable sorting and processing. Develop mechanical structures, create 3D models and drawings, and collaborate with cross-functional teams. Requires a Bachelor's degree in Mechanical Engineering or related field and 10+ years of experience in mechanical design.

Tooling / Mold Engineer needed for automotive industry. 5+ years experience in plastic injection molding, mold design, and repair required. Must have CAD proficiency (NX, CATIA, SolidWorks) and upper-intermediate English.

Drives operational excellence for global payments delivery across multiple regions, currencies, and partners. Monitors performance, investigates failures, and leads process improvement initiatives. Requires 5-7 years of payments operations experience, strong analytical and stakeholder management skills, and fluency in English & Spanish.

Lead Data Scientist to own AI initiatives from discovery to delivery. Translate business problems into scalable AI solutions and lead multidisciplinary teams.

Lead BIM projects, ensuring on-time and on-budget delivery while acting as the primary client contact. Manage the project lifecycle, identify growth opportunities, and demonstrate the ROI of BIM workflows.

Process Engineer will provide technical support, drive continuous improvement initiatives, and optimize plant performance.