Senior React Developer
Lean TechMedellín, Antioquia, Colombia
Posted December 5, 2025
Full Time
About the Company
Lean Tech is a rapidly expanding organization situated in Medellín, Colombia, that prides itself on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors.
Job Description
Lean Tech is a rapidly expanding organization situated in Medellín, Colombia, seeking a Senior React Developer with 5+ years of professional experience to lead architectural decisions, mentor other developers, and collaborate closely across teams to deliver high-quality, maintainable software solutions.
Requirements
- 5+ years of experience in React and JavaScript (ES6+) development
- Advanced knowledge of React performance optimization and state management (Redux Toolkit, Zustand, or Jotai)
- Experience with Next.js or similar SSR/SSG frameworks
- Proficiency with modern styling solutions (CSS-in-JS, Tailwind, CSS Modules)
- Experience with CI/CD pipelines and build tools (Vite, Webpack, esbuild)
- Familiarity with containerization (Docker) and micro-frontend architectures
- Experience integrating AI-assisted tools like GitHub Copilot or ChatGPT into daily workflows
- Solid understanding of cross-browser compatibility, PWA development, and web performance monitoring tools (Sentry, LogRocket)
- Proven experience with component architecture design patterns (Compound Components, HOCs, Render Props)
Benefits
- Professional development opportunities with international customers
- Collaborative work environment
- Career path and mentorship programs that will lead to new levels