Senior React Developer & Software Architect for Startups and Enterprise

Nice to meet you.👋🏽

Senior software architect and React developer with 15+ years building scalable products for startups and enterprises.

Focused on React, TypeScript, and Node.js, delivering high-performance web apps and clear technical leadership for growing teams.

Alfonso Ruiz
hire React developerLooking to hire a senior React developer? Let's talk.
software development for startupsSenior software development for startups and growth teams
enterprise application developmentEnterprise app development and software architecture
remote tech leadRemote tech lead for high-performing teams
expert React developerExpert React developer with enterprise experience
Node.js expertNode.js expert for scalable backend systems
frontend developerSpecialist in modern front-end development
technical project leadershipTechnical leadership for complex projects
software consulting servicesProfessional software consulting services
full-stack developerFull-stack development with modern technologies
agile team leadershipAgile team leadership and process optimization
modern web applicationsBuilding modern web applications that scale
scalable software solutionsDesigning scalable software solutions
software architecture designSoftware architecture and system design services
startup CTO advisorTechnical advisory services for startups

📁Work Experience

Tr Logo

Staff Software Engineer II | Acting Frontend Engineering Manager

Thomson Reuters

  • Technical leader focused on frontend architecture, platform modernization, and scalable global solutions. I lead 4 distributed teams across Mexico, Canada, and India, aligning complex requirements with technical and business goals.
  • I contribute to the AI Governance group by defining responsible AI adoption practices for engineering. I also drive standards across React, monorepos, micro-frontends, and ViteJS, improving performance by ~20% and strengthening developer experience.
  • I have taken on Frontend Engineering Manager responsibilities, managing 7+ direct reports, performance, talent development, and capacity planning. I have led 120+ interviews, 6 hires, and the first internship program in Mexico.
Lyft Logo

SR Software Engineer

Lyft

  • I supervised and developed new features, gathering requirements from various stakeholders. I proposed data-driven documented solutions, following rigorous approval processes, and finalizing in front-end or back-end development as needed.
BairesDev Logo

Sr React Engineer

BairesDev

  • I contributed to agile projects for Pinterest, developing the front-end and part of the back-end of the 'Help Center' system. I used Storybook, LitElements, and React with Redux for re-branding and improving system performance.
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🧑🏽‍💻Projects

Om Dental dental clinic website

Omdental.mx
Live Site

Astro
PostHog
Map
Tailwind
TypeScript

Development of the official website of Om Dental, integrating data collection services to personalize offers. Focused on optimizing load times, performance, accessibility, and SEO for both mobile and desktop devices, thereby improving visibility in search engines.

Denta Care is a dental clinic website

dentacare.care
Live Site

Astro
Map
Tailwind
TypeScript
Google Analytics

DentaCare is a dental clinic website currently under construction. The project focuses on creating a user-friendly interface that allows patients to easily schedule appointments, access dental care information, and explore available services. The website is being developed with a strong emphasis on performance, accessibility, and SEO optimization to ensure a seamless experience across all devices.

Damsha Yoga Studio website showcasing class schedule and booking interface

Damshayoga.com
No Longer Live Site

Google Analytics
Map
Vercel
Tailwind

The official Damsha Yoga Studio website provides a seamless user experience for mobile and desktop devices. It offers a comprehensive range of yoga classes, including beginner, intermediate, and advanced levels, as well as personalized yoga plans and progress tracking. The website is designed to be user-friendly, accessible, and optimized for search engines.

❓FAQ: Hiring a Senior React Developer

What services do you offer?
What services do you offer?
Senior React and TypeScript development, software architecture, and technical leadership for startups and enterprises. I also handle full-stack work, performance optimization, and SEO-focused web builds.
Are you available for remote projects?
Are you available for remote projects?
Yes. I work remotely with teams worldwide and can overlap with US and Europe time zones while based in Mexico City.
What tech stack do you specialize in?
What tech stack do you specialize in?
React, TypeScript, Node.js, Next.js, Astro, Tailwind CSS, and modern CI/CD with analytics and performance monitoring.
Can you help with software architecture and scaling?
Can you help with software architecture and scaling?
Absolutely. I design scalable architectures, improve reliability, and guide teams through technical decisions as they grow.
How do we start a project?
How do we start a project?
Share your goals, scope, and timeline. I will propose an approach, milestones, and next steps for delivery.
Still have questions? Email me about your project.

💻Technologies and tools I use

Google Analytics
PostHog
ReactJs
Astro
JavaScript
Tailwind
TypeScript
ViteJs
OpenAi
Github
Nextjs
Html5
Docker
Redux
Css3
Git
Cloud
MongoDB
NodeJs
Vercel
Vscode
ReactJs
PostHog
Microsoft Clarity
Astro
JavaScript
Tailwind
TypeScript
ViteJs
OpenAi
Github
Nextjs
Html5
Docker
Redux
Css3
Git
Cloud
MongoDB
NodeJs
Vercel
Vscode