frontend developer English-speaking jobs in León

Marketing Manager to design, execute, and optimize B2B marketing strategy for blockchain events. Drive audience growth, sponsorship and ticket sales, and lead generation. Manage email marketing, social media, paid media, and partnerships. Analyze and optimize key metrics. Requires 4+ years B2B marketing experience, understanding of the blockchain ecosystem, and proficiency in marketing automation tools.

Develop and update Solera databases with automotive manufacturer data. Analyze manufacturer data, improve data quality, and collaborate with the Data Development Team.

Senior Java Developer needed for a 6-12 month contract with potential extension. Focus on building, enhancing, and maintaining cloud-native microservices using Java 21, Spring, and Spring Boot.

Risk Analyst will analyze and supervise risks associated with payment services, ensuring compliance with regulations. Responsibilities include reviewing merchant applications, monitoring account activity, investigating unusual patterns, and supporting risk management policies.

Teach English at a well-established international school in Murcia, Spain, starting August 2026. The school offers a bilingual curriculum blending British and Spanish approaches. Successful candidates will have a university degree in English or a related field, a recognized teaching qualification, and experience teaching English at the secondary level, including IGCSE curriculum delivery.

Customer Service Specialist to manage daily email inquiries for the e-commerce platform. Provide prompt and accurate customer support via email and phone, handling returns, exchanges, promotions, refunds, and product-related concerns.

Service Manager to supervise, control, and manage personnel, coordinate customer service, technical support, and incident resolution. Experience in team management, project coordination, and ERP systems required.

Data Engineer to build and maintain data pipelines, ensuring reliable and high-quality data for analytics. Requires 3+ years' experience, expertise in SQL and Python, and knowledge of AWS, Redshift/Snowflake, and Airflow.

Senior Physicochemical Laboratory Technician will plan laboratory activities, ensure compliance, manage resources, and guarantee accurate results. Manage technical documentation, equipment, and investigate OOS/deviations. Requires a university degree in Chemistry, Biochemistry, Biology, or Biotechnology and at least 7 years of experience with GMP regulations, analytical methods, and managing a technical team.

Senior Flutter Engineer to design, develop, and evolve key features of a cross-platform mobile application. Responsibilities include translating designs into reusable components, integrating APIs, optimizing performance, and collaborating on CI/CD pipelines.

Develops high-quality performance materials for footwear, apparel, and accessories. Collaborates with design, sourcing, and development teams to build material libraries and source components. Ensures materials meet quality standards and manages the materials budget and library.

Customer Service Manager to lead and develop a multilingual team supporting European customers. Define processes, monitor performance, and ensure a high-quality customer experience.

Senior Financial Controller needed for a fast-growing international tech company. Prepare and analyze financial statements, manage monthly closings, and conduct variance analysis. Develop financial models and support decision-making. Ensure compliance with tax and accounting regulations. Bachelor's or Master's degree in a related field and 3-5 years of experience required.

ADP is seeking a Dutch-speaking Digital Sales Associate with proven sales aptitude and excellent closing skills. Responsibilities include reaching and exceeding sales goals, building relationships with potential clients, and recommending ADP products and services. Must be fluent in Dutch and English and have excellent systems literacy knowledge in MS Office.

Junior C Programmer to develop and maintain software components for high-performance networking over optical access technologies.

Lead and manage a team of Account Executives for the French and Italian markets, driving sales growth and executing the Go-to-Market strategy.

Visual Merchandiser / Stylist & Trend Forecasting Specialist will develop and execute visual merchandising strategies across e-commerce, retail, and press. Responsibilities include collaborating with the Creative Director and Design Team on collection themes, building seasonal assortments, and styling product photography. The role requires a strong understanding of market trends, competitor activity, and consumer behavior.

Software Security Engineer to integrate security controls throughout the software lifecycle. Identify and assess application vulnerabilities, review architectures, and promote secure coding practices. Requires 2+ years of experience in Application Security, Software Development, or IT Operations, with SAST, DAST, and SCA experience. Programming skills in Java and/or Python are needed. Fluent English required.

SAP Treasury Consultant needed to analyze, design, build, and implement SAP Treasury solutions for European and global clients. Expertise in areas like SAP Cash & Liquidity Management, SAP BCM, SAP TRM, and SAP IHC is required. Minimum 3 years of treasury consulting and/or SAP Treasury system implementation experience is necessary.

Corporate Development Manager will evaluate acquisition opportunities, lead aspects of acquisitions, and coordinate with cross-functional teams.