Simera Professional Key (SPK)

David M

Colombia

Senior Frontend Engineer

$ 5,200/month

6 yrs exp

Senior Frontend Engineer with 5+ years of experience delivering scalable, high-performance web applications within agile, multicultural teams. Strong expertise in the React ecosystem, building secure, accessible, and optimized interfaces. Proven ability to mentor and guide developers, elevate engineering standards, and drive technical quality across projects

Skills

  • AWS
  • CI/CD
  • Git
  • GitHub
  • JavaScript
  • React
  • SEO
  • Test Automation
  • Typescript
  • JavaScript ES6
  • API Integration
  • Automation Testing
  • Code Review
  • Firebase
  • GraphQL
  • ReactJS
  • Tailwind
  • HTML/CSS
  • Frontend Development
  • CICD
  • vercel
  • Analytics and Performance Tracking
  • Nest.js
  • Next.js
  • Playwright
  • Supabase
  • Vitest
  • Gituhub
  • CursorAI
  • AI Integration
  • React Testing Library
  • AI-Assisted Productivity (Claude, Gemini, Copilot)
  • Type Script
  • Shadcn UI
  • Agile / Scrum
  • Git/Github
  • Typescrtipt
  • Agile Scrum
  • Javascript

David M

Colombia

Senior Frontend Engineer

$ 5,200 /month

Part Time: $ 4,450/month

6 yrs exp

Senior Frontend Engineer with 5+ years of experience delivering scalable, high-performance web applications within agile, multicultural teams. Strong expertise in the React ecosystem, building secure, accessible, and optimized interfaces. Proven ability to mentor and guide developers, elevate engineering standards, and drive technical quality across projects

Skills

  • AWS
  • CI/CD
  • Git
  • GitHub
  • JavaScript
  • React
  • SEO
  • Test Automation
  • Typescript
  • JavaScript ES6
  • API Integration
  • Automation Testing
  • Code Review
  • Firebase
  • GraphQL
  • ReactJS
  • Tailwind
  • HTML/CSS
  • Frontend Development
  • CICD
  • vercel
  • Analytics and Performance Tracking
  • Nest.js
  • Next.js
  • Playwright
  • Supabase
  • Vitest
  • Gituhub
  • CursorAI
  • AI Integration
  • React Testing Library
  • AI-Assisted Productivity (Claude, Gemini, Copilot)
  • Type Script
  • Shadcn UI
  • Agile / Scrum
  • Git/Github
  • Typescrtipt
  • Agile Scrum
  • Javascript

Senior Frontend Engineer

YellowBird
June 2023 - present

Mentored and managed a team of 4 developers, leading code reviews and enforcing best practices. Implemented a comprehensive testing strategy using Vitest, React Testing Library, and Playwright. Led the adoption of React-Hook-Form and Zod. Drove the upgrade from React Router v5 to v6. Integrated Google Analytics, Sentry, and LaunchDarkly to improve system observability.

Frontend Engineer

Soluntech
August 2022 - May 2023

Led frontend architecture decisions, defining design systems and scalable patterns. Performed performance audits and implemented optimizations including lazy loading, code splitting, and memoization. Migrated UI to shadcn and application codebase from JavaScript to TypeScript.

Frontend Engineer

Sutherland
May 2020 - July 2022

Rebuilt styling architecture with Tailwind CSS. Built scalable React abstractions including utilities, custom hooks, and shared components. Modernized legacy codebases by applying clean code principles.

Smart Scores

Communication
90
Role Fit
100
Adaptability
80
Problem-solving
90

Smart Skills

beta