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I’m a senior software engineer based in Barcelona, focused on building and evolving high-impact web front ends and scalable UI components. With experience across component architecture, migrations, and web performance optimization, I enjoy turning complex product needs into reliable, modular solutions that work smoothly in real production environments.…

Irene Bertolin

Software Engineer, Front-End Developer, Full Stack Developer, +2

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I’m a senior software engineer based in Barcelona, focused on building and evolving high-impact web front ends and scalable UI components. With experience across component architecture, migrations, and web performance optimization, I enjoy turning complex product needs into reliable, modular solutions that work smoothly in real production environments.…

Available to hire

I’m a senior software engineer based in Barcelona, focused on building and evolving high-impact web front ends and scalable UI components. With experience across component architecture, migrations, and web performance optimization, I enjoy turning complex product needs into reliable, modular solutions that work smoothly in real production environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

Catalan; Valencian

Fluent

English

Advanced

German

Beginner

Work Experience

Senior DCR Software Engineer at Schneider Electric

January 1, 2026 - Present

Spearheaded the architectural migration of 15+ core web components from Stencil.js to Svelte and SvelteKit, ensuring modularity, architectural consistency, and zero-downtime transitions during feature handovers. Provided tier-3 technical support for production issues, improving overall system reliability and reducing incident turnaround time through thorough troubleshooting and resolution.

Software Engineer (DCR) at Schneider Electric

January 1, 2024 - December 1, 2025

Designed and implemented new application features using TypeScript and Stencil, driving measurable web performance improvements and enhancing the user experience. Led page migrations to an architecture built with Svelte and SvelteKit to ensure an efficient and functional transition. Engineered automated unit and functional test suites with Jest, increasing code coverage by ~20% and reducing production regressions. Participated in Agile project management activities, contributing to planning, tracking, and continuous improvement.

Software Engineer Intern at Schneider Electric

June 1, 2023 - January 1, 2024

Developed and updated features in existing applications, optimizing performance and improving the user experience. Conducted unit and integration tests to increase code coverage and contribute to improved product quality and stability.

Full-Stack Developer Intern at Consorcio para la Construcción, Equipamiento y Explotación del Laboratorio de Luz Sincrotron ALBA

October 1, 2022 - April 1, 2023

Developed full-stack solutions using Django and Python for both front-end and back-end needs, contributing to application features and integration across layers.