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RenanAugusto, Senior Frontend Developer

São Paulo, Brazil · Remote or hybrid

I build interfaces and web systems with React, Next.js and TypeScript: from corporate dashboards to AI products, from component to deployment.

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Role
Senior Frontend
React · Next.js · TypeScript
Experience
8 years
since October 2018
Industries
8 companies
e-commerce, education, health, telecom, industry and logistics
Education
AI postgrad
Data Science, in progress

// Companies I have worked with

Expertise

From the interface to the infrastructure that ships it.

I work where the product meets the user, paying attention to what happens before and after the screen.

Interfaces and product

Fast, accessible and responsive applications and websites, from component to complete flow.

  • React and Next.js
  • TypeScript
  • Tailwind CSS and Shadcn/UI
  • Accessibility and UI/UX

Dashboards and integrations

Dashboards that organize operational data and connect to APIs and corporate systems.

  • Data dashboards
  • REST APIs
  • JWT authentication
  • Legacy modernization

Delivery and applied AI

Pipelines that ship code to production, and AI used where it brings real gains.

  • CI/CD and Azure DevOps
  • Docker and Azure
  • Claude Code, Gemini and Copilot
  • Prompt engineering and RAG

Featured projects

Work you can open and check.

Systems, demos and products with links to the source code or the live version.
View all projects

AI and data science

Postgraduate degree in Artificial Intelligence and Data Science

I am pursuing this postgraduate degree at Universidade São Judas Tadeu. It adds to what I already do every day: using AI in my engineering workflow and building interfaces for products that rely on models.
  • Interfaces for AI products, treating model output as data to be validated. See VisionStock
  • Semantic search and RAG to query documents in natural language. See Gemini Beyond Prompts
  • Claude Code, Gemini and Copilot in the development workflow, with human review.
See AI projectsAI automation
 Hover to decode.

  1. Data

    collection, preparation and analysis

  2. Models

    learning and inference

  3. Product

    interfaces that use AI

For companies

Have a problem to solve with software?

Four lines of work, with scope agreed before we start.
View services

  • Frontend consulting

    Architecture, performance, accessibility and modernization of existing React applications, alongside your team.

  • API and systems integration

    Connecting frontends, REST APIs, authentication and corporate systems so data flows without rework.

  • AI automation

    Assessing repetitive tasks and building AI-powered flows and assistants integrated with your company's systems.

How I work

A simple, transparent process.

  1. Discovery

    I learn about the goal, the audience and what success looks like.

  2. Scope

    A proposal with clear deliverables and stages before we start.

  3. Development

    Frequent deliveries with typed, tested code.

  4. Launch

    Deployment, documentation and follow-up as the project evolves.

Contact

Let's talk?

Recruiters

Senior frontend roles with React, Next.js and TypeScript. See the full career history and résumé.

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Companies and partners

Tell me what needs to be built or improved. I'll reply with questions and next steps.

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