frontend developer English-speaking jobs in León

Drives adoption of Revolut's payments-as-a-service offering with enterprise customers in the German market. Collaborates with Product, Sales, and Business Development to deliver solutions, win accounts, and expand Revolut's footprint.

Amelia Hub is a technology company developing hardware, software and drone-based solutions for the renewable energy sector. Within our solar division we have developed Hincator, a unique solution that combines hardware and software to measure and control the precision of pile installation during the construction of large-scale photovoltaic parks.

Power BI Developer will contribute to the development of client-facing FMCG data insights products. Responsibilities include data pipeline development, UI integration, and data science model integration. Requires 3+ years of experience as a data analyst/BI developer, proficiency in DAX, SQL, and data visualization tools.

We are seeking a skilled frontend developer with 5+ years of experience to build the Wasmer website. You will develop UI components, ensure code quality, and collaborate with technical teams. Proficiency in JavaScript, TypeScript, React, NextJS, GraphQL, Relay, Tailwind, and CSS Modules is required. Strong communication and teamwork skills are essential.

Senior Project Engineer to coordinate engineering activities across three industrial construction projects (~€100M combined value) in Spain. Focus on technical alignment between engineering, procurement, and construction teams during the construction phase.

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.

Customer Service Supervisor to support European markets. Supervise customer and distributor service operations, act as escalation point for complex cases, and coordinate with teams in Mexico City and Poland. Must be bilingual in German & English and have experience working with distributed teams.

Manage and expand FIT tours sales in Spanish and international markets. Identify business opportunities, develop tour packages, and handle client inquiries and sales.

The Head of Operational Excellence will lead the transformation of the Services organization toward consistent, predictable, and efficient Operations in O&M. This role will define, deploy, and embed processes, KPIs, systems, and behaviors needed to achieve Operational Excellence across the global Services business.

Hispasat seeks a Project/Procurement Manager for the IRIS2 project. Responsibilities include consortium organization, contractual setup, project management, risk identification, and reporting. Requires a Master's degree in a relevant field, PMP certification, 10+ years of experience in project management within space or similar domains, and fluency in English. Must be a native of an EU member state and willing to undergo EU secret clearance.

Java Developers (Mid-Level and Senior Back-end) sought for international projects. Develop containerized applications using modern Java technologies and contribute to all phases of software development using Scrum.

Manages and processes claims for damaged, lost, or delayed shipments. Investigates claims, coordinates with relevant departments, and assesses liability and compensation. Prepares reports, ensures timely resolution, and handles disputes.

CyberArk PAM Engineer needed with 3+ years of experience in Windows Server or Linux environments. Extensive knowledge of CyberArk Password Vault administration and scripting languages (PowerShell, Python, Bash) required. Experience with CI/CD pipelines and Agile development methodologies is a plus. Fluent English (B2 level) is essential.

QA Manual Engineer will collaborate with Data Engineers, Tech Lead, and Product Expert to ensure test coverage across unit, integration, System, and E2E levels. Responsibilities include designing test cases, preparing test datasets, executing testing, and tracking defects. Requires 2+ years of experience in QA Manual, System, Regression, and End-to-End testing. Basic knowledge of automation testing is desired.

Drive revenue growth and position Vestige Collection as a luxury hospitality benchmark. Develop a strategic portfolio of high-value clients and partners, ensuring the right business at the right price through long-term relationships.

Account Executive to build and maintain client relationships with hotel partners, supporting business development and revenue growth.

Real Estate Advisor needed for a growing agency specializing in exclusive residential properties in Mallorca. Manage client portfolios, identify properties, advise on sales/rentals, and negotiate deals.

Production Supervisor needed to ensure compliance with production plans, optimize team organization, and manage material resources. Responsibilities include scheduling, directing, and controlling production activities, leading team development, and analyzing production indicators. Requires technical training, 5+ years of experience, and knowledge of aeronautical assemblies.

Leads a design team to shape the end-to-end customer experience for sports betting platforms. Translates business goals and user needs into design strategies that differentiate products and foster user engagement.

iOS Engineer to design, implement, and maintain the italki mobile application. Requires 4+ years of experience with iOS frameworks, C/C++, Objective-C, and Swift.