Skip to content
View gbelther's full-sized avatar
225 followers · 715 following

Achievements

Achievement: Pull Sharkx4Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLO

Achievements

Achievement: Pull Sharkx4Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLO

Block or report gbelther

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
gbelther/README.md

A/B Testing, Conversion Funnel Optimization, User Behavior Analysis, conversion lifts up to 40%.

Full-Stack Developer (Front-End Focus) | React, Next.js, TypeScript, Node.js | Performance, CRO & Technical SEO

5+ years building scalable, high-performance, accessible, and secure web solutions. Specialized in React, Next.js (SSR/App Router), TypeScript, and Node.js. Track record in technical SEO, Core Web Vitals optimization, and conversion rate optimization (CRO) that drives measurable business impact.

Core Competencies Front-End Stack: React, Next.js (SSR/App Router), TypeScript, HTML5, CSS3 (Tailwind, Styled Components, SASS, CSS Modules). Back-End & APIs: Node.js, Express, RESTful APIs, Web Security, API Optimization. Performance & SEO: Core Web Vitals Optimization (LCP, FID, CLS), Technical SEO, Page Speed Optimization, Lighthouse. CRO & Testing: A/B Testing, Conversion Funnel Optimization, User Behavior Analysis, conversion lifts up to 40%. Headless CMS: Payload CMS Architecture, Next.js Integration, Edge Delivery. Cloud & Infrastructure: Cloudflare (Workers, Pages, D1, Durable Objects, Edge Computing), AWS (EC2, AppRunner, RDS), CI/CD via GitHub Actions. Quality & Architecture: TDD, Jest, Cypress, React Testing Library, Clean Code, Clean Architecture, Design Systems (Monorepo).

Currently architecting headless CMS solutions delivered via CDN/Edge, empowering marketing teams to launch high-converting, performant landing pages.

Previous experience includes building complex, large-scale platforms—such as live-streaming systems, occupational health solutions, call center software, and enterprise dashboards. Built and maintained a company-wide Design System using a monorepo architecture hosted on AWS EC2, significantly boosting front-end team productivity. Mentored intern and junior developers while contributing to architectural decisions across cross-functional teams.

Specialties Front-end Performance Optimization | Server-Side Rendering (Next.js) | Technical SEO Optimization | Web Accessibility (WCAG) | Core Web Vitals | CRO & A/B Testing | Edge Computing | Caching Strategies | Full-Stack Development | CI/CD Pipelines & Automation

📞 Contatos:
Linkedin: https://www.linkedin.com/in/gabrielbelthersantos/
Email: belthergabriel@gmail.com

Pinned Loading

  1. jewelry jewelry Public

    TypeScript