I'm Ignacio Cañadilla León, a frontend software engineer with over 4 years of experience in the full high-performance web application development lifecycle. I specialize in Clean Architecture, legacy code refactoring, and scalability optimization. I have a proven track record migrating complex tech stacks and managing technical debt to improve maintainability. I'm currently focused on the React/TypeScript ecosystem and full-stack development (Node.js/Python), integrating AI tools to boost productivity.

Ignacio Cañadilla León

I'm Ignacio Cañadilla León, a frontend software engineer with over 4 years of experience in the full high-performance web application development lifecycle. I specialize in Clean Architecture, legacy code refactoring, and scalability optimization. I have a proven track record migrating complex tech stacks and managing technical debt to improve maintainability. I'm currently focused on the React/TypeScript ecosystem and full-stack development (Node.js/Python), integrating AI tools to boost productivity.

Available to hire

I’m Ignacio Cañadilla León, a frontend software engineer with over 4 years of experience in the full high-performance web application development lifecycle. I specialize in Clean Architecture, legacy code refactoring, and scalability optimization. I have a proven track record migrating complex tech stacks and managing technical debt to improve maintainability.

I’m currently focused on the React/TypeScript ecosystem and full-stack development (Node.js/Python), integrating AI tools to boost productivity.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Frontend Software Engineer (Mid/Senior) at Plenitas
October 1, 2023 - Present
Leading the comprehensive refactoring of a platform with high technical debt, applying Clean Architecture and DDD principles. Designing and refining Video on Demand (VOD) platforms and SmartTV applications, collaborating on CMS integration for high-level clients in entertainment and media. Executing the technological migration of frontend architecture (Legacy to Modern Stack), optimizing performance and adherence to SOLID principles. Designing & optimizing critical web services in collaboration with the backend, achieving a 40% increase in user satisfaction. Implementing advanced SEO and Accessibility strategies, raising web performance metrics by 70%. Serving as technical lead and mentor, onboarding and task coordination for the development team.
Full-Stack Developer at Viewnext
July 1, 2023 - October 1, 2023
Developed and maintained critical functionalities for a banking application, reducing operational errors by 25%. Implemented Full-Stack secure financial transactions, covering database design to business logic in Java (Spring) and the presentation layer. Authored standardized technical documentation, increasing team productivity by 20%.
JavaScript Developer at Ernst & Young
December 1, 2021 - July 1, 2023
Developed and maintained high-traffic web portals for hospitality clients, ensuring high availability. Implemented automated testing suites with Jest and Cypress, improving software quality by 30%. Optimized existing code by 15% through refactoring and technical review.

Education

Bachelor's Degree in Computer Engineering at University of Córdoba
January 1, 2015 - January 1, 2021

Qualifications

IELTS Certificate - English B2 Level
January 11, 2030 - January 6, 2026
Tizen Application Design for SmartTV
January 11, 2030 - January 6, 2026

Industry Experience

Financial Services, Media & Entertainment, Travel & Hospitality, Professional Services, Software & Internet, Other