Isaí Céspedes Sánchez Valencia

Full‑Stack Software Developer

Tavernes de la Valldigna, ES.

About

Full Stack Software Developer with 4+ years of professional experience building and maintaining scalable SaaS web applications for international, remote-first teams. Frontend-leaning across the stack, with a strong record in TypeScript, React/Next.js, and developer experience. Comfortable owning frontend architecture while contributing across the stack. Available to work fully remotely across US and European time zones.

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Work

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Stack Builders

Software Developer

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Pylon Network

Software Developer

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Volunteer

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Microverse

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Mentor (Volunteer)

Mentored remote students along Microverse’s full‑stack development program, conducting code reviews, aiding debugging, and instilling best practices.

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Education

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Software Engineering / Web Development

Microverse

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Skills

Full‑Stack Development

Ruby on Rails, Node.js, Laravel, Kotlin, PHP, JavaScript, TypeScript

Frontend

React.js, Redux, HTML5, CSS3, Responsive Design, Flexbox

Backend / Databases

RESTful APIs, PostgreSQL, MySQL, MariaDB

Testing & Methodologies

RSpec, TDD, Pair Programming, Agile, Organization, Leadership

Languages

Spanish (native), English (C2 Proficient)

Tools & DevOps

Git, GitHub, Gitflow, Heroku, Netlify, Notion, Claude, GitHub Copilot

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