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I am a Senior Software Engineer and Full Stack Developer with 7+ years of experience designing, developing, and deploying scalable web applications and distributed systems. I have led the design and implementation of enterprise-grade apps using React, TypeScript, Node.js, Express, and AWS Lambda. I thrive in remote, cross-functional teams and value Agile practices. I have deep expertise in React, Node.js, and AWS Cloud, and I excel in remote, cross-functional teams following Agile methodologies. I enjoy mentoring junior developers and collaborating with product, QA, and DevOps to deliver robust features. I am fluent in English and Spanish.…I am a Senior Software Engineer and Full Stack Developer with 7+ years of experience designing, developing, and deploying scalable web applications and distributed systems. I have led the design and implementation of enterprise-grade apps using React, TypeScript, Node.js, Express, and AWS Lambda. I thrive in remote, cross-functional teams and value Agile practices. I have deep expertise in React, Node.js, and AWS Cloud, and I excel in remote, cross-functional teams following Agile methodologies. I enjoy mentoring junior developers and collaborating with product, QA, and DevOps to deliver robust features. I am fluent in English and Spanish.

Valentin E. Queijeiro

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

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I am a Senior Software Engineer and Full Stack Developer with 7+ years of experience designing, developing, and deploying scalable web applications and distributed systems. I have led the design and implementation of enterprise-grade apps using React, TypeScript, Node.js, Express, and AWS Lambda. I thrive in remote, cross-functional teams and value Agile practices. I have deep expertise in React, Node.js, and AWS Cloud, and I excel in remote, cross-functional teams following Agile methodologies. I enjoy mentoring junior developers and collaborating with product, QA, and DevOps to deliver robust features. I am fluent in English and Spanish.…I am a Senior Software Engineer and Full Stack Developer with 7+ years of experience designing, developing, and deploying scalable web applications and distributed systems. I have led the design and implementation of enterprise-grade apps using React, TypeScript, Node.js, Express, and AWS Lambda. I thrive in remote, cross-functional teams and value Agile practices. I have deep expertise in React, Node.js, and AWS Cloud, and I excel in remote, cross-functional teams following Agile methodologies. I enjoy mentoring junior developers and collaborating with product, QA, and DevOps to deliver robust features. I am fluent in English and Spanish.

Available to hire

I am a Senior Software Engineer and Full Stack Developer with 7+ years of experience designing, developing, and deploying scalable web applications and distributed systems. I have led the design and implementation of enterprise-grade apps using React, TypeScript, Node.js, Express, and AWS Lambda. I thrive in remote, cross-functional teams and value Agile practices.

I have deep expertise in React, Node.js, and AWS Cloud, and I excel in remote, cross-functional teams following Agile methodologies. I enjoy mentoring junior developers and collaborating with product, QA, and DevOps to deliver robust features. I am fluent in English and Spanish.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Senior Software Engineer / Full Stack Developer at Accenture

February 1, 2019 - November 27, 2025

Led the design and implementation of enterprise-grade applications using React, TypeScript, Node.js, Express, and AWS Lambda. Developed and maintained RESTful and GraphQL APIs, integrating legacy systems. Implemented CI/CD pipelines (GitHub Actions, Jenkins, Docker), increasing deployment frequency by 40% and reducing release errors. Collaborated with product, QA, and DevOps to deliver features aligned with business goals and technical standards. Optimized cloud infrastructure using AWS EC2, S3, RDS, CloudFront, and Azure App Service with a focus on scalability and cost efficiency. Conducted code reviews, mentored junior developers, and enforced best practices for clean code and test automation. Participated in Agile ceremonies (Scrum & SAFe), sprint planning, and backlog refinements for distributed global teams.