Hi, I'm Francisco Perez, a Full Stack Software Engineer specializing in MERN stack. I enjoy building real-world, meaningful projects with Next.js, Express, Node.js, and MongoDB, always focusing on delivering great user experiences. Based in Los Angeles, I've led frontend to full-stack initiatives at Vistora Technologies and delivered numerous freelance projects, containerized applications with Docker, and deployed on cloud platforms like Google Cloud and AWS.

Francisco Perez

Hi, I'm Francisco Perez, a Full Stack Software Engineer specializing in MERN stack. I enjoy building real-world, meaningful projects with Next.js, Express, Node.js, and MongoDB, always focusing on delivering great user experiences. Based in Los Angeles, I've led frontend to full-stack initiatives at Vistora Technologies and delivered numerous freelance projects, containerized applications with Docker, and deployed on cloud platforms like Google Cloud and AWS.

Available to hire

Hi, I’m Francisco Perez, a Full Stack Software Engineer specializing in MERN stack. I enjoy building real-world, meaningful projects with Next.js, Express, Node.js, and MongoDB, always focusing on delivering great user experiences.

Based in Los Angeles, I’ve led frontend to full-stack initiatives at Vistora Technologies and delivered numerous freelance projects, containerized applications with Docker, and deployed on cloud platforms like Google Cloud and AWS.

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Experience Level

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

English
Fluent

Work Experience

Frontend Developer at Vistora Technologies
March 1, 2025 - Present
Spearheaded the design and development of responsive, production-grade landing pages, authentication flows, and dashboards using React.js, Tailwind CSS, and Figma, transforming ideas into pixel-perfect user interfaces. Built and maintained scalable UI components with clean architecture, reusable code, and mobile-first responsiveness, ensuring consistent user experience across devices. Integrated Firebase Authentication and Firestore to manage secure user sign-up, login flows, and dynamic data rendering. Proposed and implemented a Redux-based global state architecture to handle authentication, user sessions, and UI behavior across multiple pages. Led frontend Git workflow including structured branching, pull requests, and merge strategies, improving team collaboration and deployment readiness. Collaborated cross-functionally with founders and senior engineers to align UI/UX implementation with product and business goals. Mentored junior developers during weekly stand-ups, clarifying fro
Frontend Developer Internship at Frontend Simplified
December 1, 2024 - September 17, 2025
Transformed a completely static HTML, CSS, JavaScript, and React single-page application into an interactive UI using animations, transitions, and carousels. Processed API requests with Axios to dynamically represent data from a cloud server and represented it through skeleton loading states, pagination, and dynamic routing. Utilized Git version control and GitHub to collaborate in a virtual and collaborative team environment.
Freelance Frontend Engineer at Self-Employed
August 1, 2025 - September 17, 2025
Delivered professional, production-grade websites for small businesses and organizations, translating business needs into modern, scalable web applications that improved client acquisition, retention, and operational efficiency. Notable projects include LA SC Youth Soccer Club website serving 200+ families with enhanced UI/UX and CMS integration; Trilogy Soccer marketing and enrollment site delivering a 5x increase in registrations and 75% boost in conversions within 90 days; Implemented responsive UI with performance optimizations (image compression, lazy loading) enabling direct online program sales. Delivered frontend on Vercel and backend on Render for scalable performance and seamless content workflows.
Frontend Developer at Visitor Technologies
March 1, 2025 - Present
Led the design and development of responsive, production-grade landing pages, authentication flows, and dashboards using React.js, Tailwind CSS, and Figma; built scalable UI components with clean architecture and mobile-first responsiveness; integrated Firebase Authentication and Firestore; proposed and implemented a Redux-based global state to manage auth and UI across multiple pages; led the frontend Git workflow and collaborated with founders and senior engineers to align UI/UX with product goals; mentored junior developers.
Frontend Developer Internship at Frontend Simplified
December 1, 2024 - September 17, 2025
Transformed a completely static HTML, CSS, JavaScript, and React single-page application into an interactive UI using animations, transitions, and carousels. Processed API requests with Axios to dynamically render data from a cloud server and displayed it through skeleton loading states and dynamic routing. Used Git and GitHub for version control in a collaborative team environment.
Freelance Frontend Engineer at Self-Employed
August 1, 2025 - September 17, 2025
Delivered production-grade websites for small businesses and organizations, translating business needs into modern, scalable web applications. Notable projects include LA SC Youth Soccer Club website (responsive site serving 200+ families) with a Strapi CMS integration, deployed on Vercel (frontend) and Render (backend); Trilogy Soccer marketing site updates that led to a 5x increase in registrations and a 75% boost in conversions within 90 days. Implemented responsive UI with performance optimizations (image compression, lazy loading) and enabled direct online program sales.
Frontend Developer at Vista Technologies
March 1, 2025 - Present
Led the design and development of responsive, production-grade landing pages, authentication flows, and dashboards using React.js, Tailwind CSS, and Figma, turning ideas into pixel-perfect UI. Built and maintained scalable UI components with clean architecture and mobile-first responsive design to ensure consistent UX across devices. Integrated Firebase Authentication and Firestore to manage secure sign-up/login and dynamic data rendering. Proposed and implemented a Redux-based global state architecture to handle authentication, user sessions, and UI behavior across multiple pages. Led frontend Git workflow with structured branching, pull requests, and merge strategies, improving team collaboration and deployment readiness. Collaborated cross-functionally with founders and senior engineers to align UI/UX implementation with product and business goals. Mentored junior developers during weekly stand-ups, clarifying frontend requirements and improving component-level development quality.
Frontend Developer Internship at Frontend Simplified
December 1, 2024 - September 17, 2025
Transformed a completely static HTML, CSS, JavaScript and React single-page application into an interactive UI using animations, transitions, and carousels. Processed API requests with Axios to dynamically represent data from a cloud server and render it through skeleton loading states, pagination and dynamic routing. Utilized Git version control and the GitHub interface to collaborate on a project in a virtual team environment.
Frontend Engineer at Self-Employed (Freelance)
August 1, 2025 - September 17, 2025
Delivered professional, production-grade websites for small businesses and organizations, translating business needs into modern, scalable web applications that improved client acquisition, retention, and operational efficiency. Created responsive, accessible UIs and implemented CMS integrations to enable independent content management for teams, news, and events. Deployed on Vercel (frontend) and Render (backend) for scalable performance and seamless content workflows.
Full Stack Developer at Vistora Technologies
September 1, 2025 - September 1, 2025
Led design and development of responsive, production-grade landing pages, authentication flows, and dashboards using React.js, Tailwind CSS, and Figma; evolved role from frontend to full stack, building and maintaining a Node.js/Express backend to handle secure data processing and API integrations; developed custom API routes for submitting claim metadata and user data to MongoDB with middleware for business logic, HIPAA compliance, and request validation; containerized the backend with Docker and hosted on Google Cloud Platform, utilizing Google Cloud Storage Buckets for secure uploaded documents.
Freelance Developer at Self-Employed
March 1, 2025 - March 1, 2025
Delivered production-grade, SEO-optimized websites for small businesses using React.js and Next.js; built responsive sites for LASC Youth Soccer Club serving 200 families with Strapi CMS for content management and API-driven data handling; deployed on Vercel/Render; redesigned Trilogy Soccer site to increase registrations and conversions by optimizing lazy loading, image compression, and backend data flow.

Education

B.A. - Applied Mathematics (with focus in Computer Science) at University of California, Berkeley
January 11, 2030 - September 17, 2025
Frontend Developer Bootcamp at Frontend Simplified
June 1, 2024 - December 1, 2024
Frontend Developer Bootcamp at Frontend Simplified
June 1, 2024 - December 1, 2024
B.A. Applied Mathematics (with focus in Computer Science) at UC Berkeley
January 11, 2030 - September 17, 2025
Frontend Developer Bootcamp at Frontend Simplified
June 1, 2024 - December 1, 2024
Bachelor of Arts in Applied Mathematics (with focus in Computer Science) at University of California, Berkeley
January 11, 2030 - September 17, 2025
B.A. at UC Berkeley
January 11, 2030 - November 14, 2025

Qualifications

Frontend Developer Bootcamp
June 1, 2024 - December 1, 2024
Frontend Developer Internship Certificate
August 1, 2024 - December 1, 2024
Frontend Developer Bootcamp Certificate
June 1, 2024 - December 1, 2024
AWS Certified
January 11, 2030 - November 14, 2025

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Education