Samuel's PortfolioFront-End Developer+ 9 years experience
I'm a Senior React Front-End Developer with a passion for building pixel-perfect, high-performing web applications. I focus on best practices, clean code, UX/UI principles, SEO optimization, and scalable architecture. Expert in React, JavaScript, HTML, and CSS. I have work experience in FinTech, building startups, and developing web applications for small to medium-sized businesses.
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My Projects
DoIt4Jesus
Description: DoIt4Jesus app helps Catholics pray the rosary together. This is a social app that shows every user that is currently logged in. Users can listen to the rosary, change settings and submit their prayers.
Objective: Allow users to stay online and send messages while listening to audio at the same time.
Languages: Next.js, JavaScript, TypeScript, React, CSS, Styled-Components, HTML, Git, Github and other third-party APIs.
DJTip.me
Description: DJs can accept song requests and tips from the audience in real-time. Request your favorite song and boost its priority with a tip!
Objective: Request & Tip Your Favorite Songs
Languages: Firebase Realtime Database, Firebase Auth, Stripe (payment systems), Next.js, React, JavaScript, TypeScript, CSS, HTML, Vercel(hosting), Git and other third-party APIs.
AlliesPro
Description: AlliesPro is a gig search and payment web-app that started off as a simple chat to send and receive money. However, has evolved into a payment system that allows freelancers and clients to match, collaborate, and securely make money transactions. Freelancers can apply to gigs around their area and get paid on-time.
Objective: Send invoices that hold the client's money for a period of time. After any given date or goal has been reached the money will be deposited into the user's bank account.
Languages: HTML, CSS, JavaScript, Vue, Nuxt.js, Node.js, Firebase and other third-party APIs.
Awards & Blogs
Medium Post - Using Micro Front-Ends (MFEs)
Migrating a monolithic, tangled codebase is never easy, but with Micro Frontends and a modular approach, we turned an unmaintainable mess into a scalable, developer-friendly system. And the best part? No more merge conflict nightmares.Read more...
FITHER - Video Game
An Obesity Prevention Game. First-place winner in “Shape of Health- An Obesity Prevention Game” by OWH Shape of Health competition, U.S. Department of Health and Human Services.Read more...
THE PIONEER NEWSPAPER
East Bay University newsaper coverage. Samuel Ruiz Geronimo, an undergraduate senior majoring in Computer Science at California State University, East Bay launched AlliesPro on April 15.Read more...
Samuel RuizAbout
I bring a strong technical foundation, a collaborative spirit, and a commitment to exceeding client expectations. - Proven Results: Consistently delivered high-quality work, meeting and exceeding project deadlines. - Technical Expertise: Expert in React and JavaScript. - Full-Stack Development: Experience with Node.js, Express, Supabase, Firebase, APIs and Postgres. - Innovation & Learning: Continuously seeking new technologies and approaches to improve performance and efficiency. - Test Driven Development: Strong understanding of TDD and BDD. - Entrepreneurial Background: Founder of AlliesPro and Bond.tech firsts employee. (B.S. Computer Science, California State University)
Front-End Languages
React, JavaScript & TypeScript
Material UI & Styled-Components
CSS, SCSS & HTML
Jest & React Testing Library
Back-End Languages
Node.js & Express
Restful APIs & GraphQL
SQL & NoSQL Databases
Terminal/Command Prompt
Overall
Problem Solver
Creative
UI & UX Designer
System Architecture Designer