Open to opportunities

Mario Velez

@mariovelez

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Senior Full Stack Developer with expertise in scalable web solutions.

United States

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What I'm looking for

I am looking for a role that challenges my skills and offers opportunities for growth in a collaborative environment.

I am a Senior Full Stack Developer with 7 years of experience in architecting scalable, user-centric web solutions. My expertise lies in leveraging React.js and Vue.js for frontend excellence, complemented by Node.js and PostgreSQL for robust backend development. I have a proven track record of achieving high performance metrics, including 95 Lighthouse scores and supporting over 100,000 monthly users.

Throughout my career, I have successfully optimized healthcare UX efficiency by 30% and enhanced code quality by 25% through the implementation of Test-Driven Development (TDD) and Jest. My experience includes architecting a healthcare SaaS platform that improved order processing UX by 30% and client retention by 25%. I am passionate about delivering high-quality, efficient solutions that drive user satisfaction and engagement.

Experience

Work history, roles, and key accomplishments

Senior Full Stack Developer

Procurement Partners

Nov 2020 - Jan 2025 (4 years 2 months)

Architected a healthcare SaaS platform using React.js, optimizing user experience and client retention. Integrated GraphQL for real-time data rendering and developed responsive frontends with Vue.js, enhancing procurement workflows. Deployed CI/CD pipelines, improving deployment efficiency.

React PostgreSQL GraphQL Vue.Js TypeScript Next.js Jest Docker

Full Stack Developer

ProbablyMonsters

Apr 2019 - Oct 2020 (1 year 6 months)

Engineered a real-time gaming platform with React.js and Redux, optimizing performance and enhancing player engagement. Developed secure RESTful APIs and automated testing, ensuring high uptime and reduced defects.

React PostgreSQL Redux Jest AWS Docker Selenium

Junior Backend and Frontend Developer

Cimpress

Apr 2018 - Mar 2019 (11 months)

Crafted a CRM UI with React.js and Node.js, improving client retention and optimizing data sync. Developed REST APIs and integrated third-party services, enhancing user satisfaction and reducing defects.