Junior Front-end Engineer

Date PostedMay 29, 2026LocationSantiago, ChileCompanyKrunchboxSalaryGross salary $1600 - 2400 USD/monthTypeFull-time, Hybrid

Job Summary

You will join the team working on the rebuild of our analytics UI, transitioning from a legacy stack to a modern React + TypeScript application. This is a hands-on role where you will contribute to building Reports and Dashboards, working alongside senior engineers and product teams. You will gain experience in high-performance data visualization, modern frontend architecture, and scalable SaaS product development.

Responsibilities

  • Build/improve frontend using React and TypeScript
  • Migrate legacy code to modern stack
  • Develop dashboards and enterprise reports
  • Collaborate with backend and data teams
  • Maintain high code quality standards

Required Skills

  • JavaScript and React
  • TypeScript
  • API understanding
  • Frontend development experience
  • Problem-solving skills

Job Details

Project / Department You will join the team working on the rebuild of our analytics UI, transitioning from a legacy stack (jQuery/Bootstrap) to a modern React + TypeScript application. This is a hands-on role where you will contribute to building Reports and Dashboards, working alongside senior engineers and product teams. Key Responsibilities - Contribute to building and improving the frontend of our analytics platform using React and TypeScript - Support the migration from legacy code (jQuery/Bootstrap) to a modern frontend stack - Build and maintain dashboards and reports used by enterprise customers - Work with AG Grid and other tools to display and interact with large datasets - Help develop reusable UI components using Tailwind CSS / shadcn/ui - Integrate data visualizations using tools like Plotly - Collaborate with product, backend, and data teams to implement features - Assist in improving performance, usability, and responsiveness of the platform - Learn and follow frontend best practices, testing, and code quality standards Required Qualifications - 0–4 years experience in frontend development (or strong internship/project experience) - Working knowledge of JavaScript and React - Exposure to TypeScript (or willingness to learn quickly) - Basic understanding of APIs and how frontend connects to backend services - Strong attention to detail and willingness to learn in a fast-paced environment - Good problem-solving skills and ability to work collaboratively Nice to Have - Experience with data tables or dashboards - Familiarity with Tailwind CSS or modern UI frameworks - Exposure to data visualization libraries (e.g. Plotly, Chart.js, D3) - Understanding of state management (Context API, Redux, or similar) - Bonus: backend knowledge or experience (APIs, databases, or server-side logic) - Experience working on personal or academic projects involving real data Benefits - Salary: $1,300 – $2,400 USD per month (based on experience) - Opportunity to work on a modern React/TypeScript stack - Hands-on experience building a scalable SaaS platform - Mentorship from experienced engineers - Direct impact on a product used by global retail brands - Fast learning environment with clear growth opportunities Working Conditions - Partially remote (Hybrid) - Computer provided - Informal dress code