Hi, I’m Sebastián Marín. I’m a full-stack software engineer with nine years of experience, with a strong focus on React and TypeScript. I bring a background in animation and creative production that informs interaction, usability, and visual quality, and I enjoy AI-assisted development workflows to improve speed and quality. I’ve built cross-platform applications and prototyped ideas to reduce technical risk, while collaborating across design, product, and engineering teams. Lately I concentrate on rapid prototyping and proof-of-concepts to validate ideas fast, translating research and creativity into solid, production-ready solutions. I value curiosity, clear communication, and a continuous-improvement mindset, and I’m motivated by turning ambitious ideas into reliable software that users love.

Sebastián Marín

Hi, I’m Sebastián Marín. I’m a full-stack software engineer with nine years of experience, with a strong focus on React and TypeScript. I bring a background in animation and creative production that informs interaction, usability, and visual quality, and I enjoy AI-assisted development workflows to improve speed and quality. I’ve built cross-platform applications and prototyped ideas to reduce technical risk, while collaborating across design, product, and engineering teams. Lately I concentrate on rapid prototyping and proof-of-concepts to validate ideas fast, translating research and creativity into solid, production-ready solutions. I value curiosity, clear communication, and a continuous-improvement mindset, and I’m motivated by turning ambitious ideas into reliable software that users love.

Available to hire

Hi, I’m Sebastián Marín. I’m a full-stack software engineer with nine years of experience, with a strong focus on React and TypeScript. I bring a background in animation and creative production that informs interaction, usability, and visual quality, and I enjoy AI-assisted development workflows to improve speed and quality. I’ve built cross-platform applications and prototyped ideas to reduce technical risk, while collaborating across design, product, and engineering teams.

Lately I concentrate on rapid prototyping and proof-of-concepts to validate ideas fast, translating research and creativity into solid, production-ready solutions. I value curiosity, clear communication, and a continuous-improvement mindset, and I’m motivated by turning ambitious ideas into reliable software that users love.

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Experience Level

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

Spanish; Castilian
Fluent
English
Fluent

Work Experience

Software Developer at Zeppelin Labs
January 1, 2023 - January 1, 2025
I have built interfaces for various industries primarily using React and Web Components. In addition, I have developed CRUD services using Express.js and Nest.js, which are used by the front-end of the applications.
Front-end Engineer at Cornershop by Uber
January 1, 2022 - January 1, 2023
Responsible for developing and validating innovative solutions through proof-of-concepts and experimentation, reducing risks and uncertainty in product development. Actively contributes to prototyping and product creation processes, transferring knowledge and technical insights to teams.
Web UI Developer at Globant
January 1, 2021 - January 1, 2022
I have created websites for multiple companies starting from scratch, using HTML, CSS, and JavaScript. I have integrated these websites with different content management systems (CMS) such as WordPress, Shopify, and Squarespace. I have also incorporated frameworks like React and Next.js.
Lead Front-end Developer at 360 PMI
January 1, 2020 - January 1, 2021
Led front-end development across projects, focusing on performance, quality and user experience; contributed to architecture decisions and code reviews.
Lead Front-end Developer at PMI
January 1, 2020 - December 31, 2021
Led front-end development, focusing on performance, accessibility, and maintainability, collaborating with designers and product teams to deliver high-quality interfaces.
Lead Front-end Developer at PMI
January 1, 2019 - January 1, 2021
Led a team of front-end developers, overseeing code quality, task delegation, and technical direction. Built websites from scratch for multiple companies using HTML, CSS, JavaScript, React, and Next.js. Integrated projects with WordPress, Shopify, and Squarespace, enabling clients to manage content independently. Acted as the technical point of contact between the dev team and clients.

Education

Add your educational history here.

Qualifications

Computer Systems Technician
January 1, 2007 - January 1, 2008
Computer Systems Technician
January 1, 2007 - December 31, 2008
Computer Systems Technician
January 1, 2007 - January 1, 2008
Computer Systems Technician
January 1, 2007 - December 31, 2008
Computer Systems Technician
January 1, 2008 - April 12, 2026

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Computers & Electronics, Retail