lucastelles.dev
Profile

Engineering interfaces that
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I'm Lucas Telles — a Frontend-focused Software Engineer. I architect accessible, pixel-perfect applications that ship fast and scale reliably.

Prompt Engineering • Embeddings • Vector Store • Next.js • React.js • React Native • TypeScript • Tailwind CSS • Redux • Zustand • Storybook • Prompt Engineering • Embeddings • Vector Store • Next.js • React.js • React Native • TypeScript • Tailwind CSS • Redux • Zustand • Storybook • Prompt Engineering • Embeddings • Vector Store • Next.js • React.js • React Native • TypeScript • Tailwind CSS • Redux • Zustand • Storybook • 
LLM Integration • RAG • LangChain • AWS • CI/CD • Node.js • Bun.js • SQL Server • MongoDB • Firebase • TanStack Query • LLM Integration • RAG • LangChain • AWS • CI/CD • Node.js • Bun.js • SQL Server • MongoDB • Firebase • TanStack Query • LLM Integration • RAG • LangChain • AWS • CI/CD • Node.js • Bun.js • SQL Server • MongoDB • Firebase • TanStack Query • 

WhatIDeliver

Technical expertise for projects that demand precision

01
Open to new opportunities

Frontend Engineering

I build responsive, production-grade interfaces using modern frameworks and proven architectural patterns.

  • React.js & Next.js
  • TypeScript-first Development
  • Performance Optimization
  • WCAG Accessibility
02
Open to new opportunities

Mobile & AI Integration

I develop cross-platform mobile apps and integrate LLM-powered features—from semantic search to RAG pipelines.

  • React Native (Expo)
  • Offline-first
  • Cross-platform Architecture
  • LLM & RAG Systems
03
Open to new opportunities

Design Systems

I create component libraries and design tokens that ensure visual consistency and accelerate team velocity.

  • Component Libraries
  • Tailwind CSS & Shadcn/ui
  • Storybook Documentation
  • Figma-to-Code Workflows

SelectedWork

A showcase of recent projects and technical challenges I've solved

Available for projects

Curiousaboutme?

I am a Frontend-focused Software Engineer with over 3 years of experience building scalable web applications. I specialize in architecting responsive, production-grade interfaces using React.js and TypeScript, ensuring pixel-perfect fidelity and WCAG accessibility compliance.

Profile Background

My track record includes accelerating feature delivery by 3x through AI-assisted development and optimizing system performance—reducing API response times by 60% via TanStack Query. I have led frontend teams to successful MVP launches, translating complex designs into robust component libraries.

Frontend Engineering
LLM Integration
Component Libraries
Automated Testing

I enforce code quality through comprehensive automated testing suites using Playwright and Cypress. Beyond standard development, I engineer LLM-integrated solutions, implementing RAG pipelines and vector search to expand application capabilities without compromising system stability.

Frontend Architect

Let's build something together

Have a project in mind? I deliver production-ready frontend solutions—from architecture to deployment.

contact@lucastelles.dev