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Senior Software Engineer (React + Node.js)
Professional Summary
Senior Software Engineer with 10+ years of experience designing and scaling high-performing web and mobile applications using React and Node.js. Proven record leading cross-functional teams and delivering SaaS products that improved client retention and efficiency by up to 25%. Passionate about building maintainable systems, mentoring developers, and driving technical excellence in modern JavaScript ecosystems.
Technical Skills
Front-End: React.js, Next.js, React Native, Angular, Tailwind CSS, Ionic, Gatsby, Hugo Back-End: Node.js, Express.js, Nest.js, KeystoneJS, LoopBack, Python (Django), PHP (Laravel) Databases & APIs: PostgreSQL, MySQL, MongoDB, Prisma, GraphQLCMS: WordPress, Sanity, Strapi, Prismic, OctoberCMS *Cloud & DevOps: AWS, DigitalOcean, LinuxOther: Agile/Scrum, Git, REST API Design, CI/CD, Testing (Jest, Vitest)
Professional Experience
Senior Software Engineer — Happy Software (Remote)
2019 – 2025
Led end-to-end development of SaaS platforms for clients in E-commerce, Hospitality, and Education, using React.js, Next.js, and Node.js. Mentored junior developers and spearheaded the Reacttiv initiative—an on-demand React.js agency—boosting team delivery speed by 30%. Architected and optimized high-traffic web applications with Next.js and Nest.js, improving performance and scalability; achieved 95+ Lighthouse scores and 20% client retention growth.
Modernized a hotel group’s mobile app from PhoneGap + PHP to React Native + Laravel, reducing crash rates by 40% and improving UX. Built internal tools and CMS-integrated sites using KeystoneJS, Sanity, and GraphQL, enabling non-technical users to manage content efficiently. Collaborated directly with product owners and clients using Agile methodologies, ensuring strategic alignment and on-time releases.
Front-End Engineer — Koneksys (Remote)
2017 – 2018
Developed web apps for Linked Data Systems using React.js and Angular. Built RDF data visualization tools with React, streamlining the analysis process for enterprise clients. Designed and launched the OSLC community website using Hugo, enhancing visibility and community participation.
Full-Stack Developer — Agile Kitchen (Remote)
2015 – 2017
Delivered scalable e-commerce and mobility apps using Angular, Ionic, and Node.js. Developed and deployed WordPress themes and plugins tailored to client branding and performance goals. Built an MVP for a transportation startup that attracted seed funding within six months.
Web Developer (Freelance) — Mexico
2010 – 2015
Designed and deployed responsive websites for local businesses using HTML, CSS, JavaScript, and WordPress. Migrated legacy PHP/HTML sites to modern CMS platforms, increasing page speed and SEO rankings. Provided client training and documentation, empowering business owners to manage digital content independently.
Leadership & Community
Founder, XalapaCode (2015–Present)
Created a local developer community to promote web technologies and digital culture. Organized 40+ workshops and meetups, fostering collaboration among 300+ developers, designers, and entrepreneurs.
Education
Instituto Tecnológico de OrizabaIngeniería en Sistemas Computacionales, 2008–2012