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Frontend Engineer
Build interactive web apps using React and TypeScript
Develop and maintain frontend components for Sensor Tower's web applications using JavaScript, TypeScript, React, and Redux. Write unit tests with Jest and Cypress, and ensure cross-browser compatibility. Collaborate with backend engineers to integrate frontend features with Ruby on Rails and MongoDB.
Why This Role?
Work on a global platform with direct impact on app performance
Key Responsibilities
- Develop and maintain frontend components using React and TypeScript
- Write unit tests with Jest and Cypress
- Ensure cross-browser compatibility and performance optimization
- Collaborate with backend engineers to integrate frontend features with Ruby on Rails and MongoDB
Requirements
- JavaScript
- TypeScript
- React
- Redux
- Jest
- Cypress
Required Skills
javascripttypescriptreactreduxjestcypressplaywright
Indonesia Context
- Working Hours Overlap:
- Flexible — work your own hours
Keywords
Frontend EngineerReact DeveloperTypeScript DeveloperJavaScript DeveloperRedux DeveloperJest DeveloperCypress DeveloperPlaywright Developer
View Original Description from EchoJobs
Original description from EchoJobs
Level: Mid Level, Senior. Skills: JavaScript, TypeScript, React, Redux, Jest, Cypress, Playwright, Ruby on Rails, MongoDB, Frontend. Locations: Warsaw. Countries: PL
Openness not stated by employer — check the listing
Company
Sensor Tower Source
EchoJobs
Job Type
full time
Location
Remote · Open worldwide
Category
Seniority
mid
Posted
Jun 17, 2026
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