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React development services

Senior React developer for scalable web products

Frontend architecture, React development, and technical leadership for teams that need reliable software delivery without losing speed.

Alfonso Ruiz

When working together makes sense

How I work

01

Technical diagnosis

I review goals, architecture, risks, performance metrics, and delivery flow to separate real problems from noise.

02

Executable plan

I define priorities, deliverables, and acceptance criteria so the work is measurable and easy to review.

03

Senior implementation

I build, review, and document changes in React, TypeScript, Node.js, Astro, or the layer needed to move the product.

Relevant experience

Frequently asked questions

Can you join an existing team?

Yes. I can work as a senior contributor, frontend architect, or technical partner for product and engineering leaders.

Do you only work in React?

React is my main specialty, but I also work with TypeScript, Node.js, Astro, Next.js, CI/CD, analytics, and performance.

Can you help with technical SEO?

Yes. I can improve semantic HTML, metadata, JSON-LD, Core Web Vitals, sitemap, robots, and tests to prevent regressions.