React, React Native Engineer

Katapult Labs

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇨🇴 Colombia

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Job Level

Mid-LevelSenior

Tech Stack

JavaScriptNext.jsReactReact NativeTypeScript

About the role

  • Build and iterate quickly on UI/UX changes in React and React Native for both web and mobile apps.
  • Implement and manage A/B testing experiments, growth experiments, and conversion-focused updates.
  • Collaborate directly with the Marketing team to translate ideas and hypotheses into production-ready features.
  • Ship rapid updates and improvements, often within the same day or next day of request.
  • Ensure visual consistency, responsiveness, and high-quality user experience across platforms.
  • Leverage AI tools to accelerate coding, QA, debugging, and experiment analysis.
  • Maintain clean, maintainable code while working in a fast-iteration environment.
  • Communicate effectively with marketing stakeholders, product teams, and engineering leads.

Requirements

  • Excellent English communication skills
  • Expertise in React (hooks, context, state management, performance optimization).
  • Expertise in React Native, including platform-specific components, navigation, animations, and bundling.
  • Hands-on experience with Next.js or similar server-side rendering frameworks.
  • Strong skills in TypeScript (types, generics, utility types, advanced typing).
  • Experience implementing A/B testing using libraries, flags, or experimentation platforms (LaunchDarkly, Optimizely, custom setups).
  • Experience building UI components, product flows, and rapid prototypes.
  • Ability to ship high-quality work quickly in an environment that requires speed and adaptability.
  • Experience integrating with APIs and mobile/web architecture best practices.
  • Comfortable using AI tools (Copilot, ChatGPT, Vercel AI, etc.) to speed up development.
  • Strong ownership mentality and ability to self-manage priorities in a high-velocity environment.
Benefits
  • Work from Anywhere in Latin America
  • 15 Days of PTO per Year
  • Country-Specific Federal Holidays
  • 8 Non-Cumulative Days Off per Year
  • Monthly Payment in USD
  • Contractor Agreement with No End Date
  • BYOD (Bring Your Own Device)
  • Health Insurance Stipend

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
ReactReact NativeNext.jsTypeScriptA/B testingUI componentsAPIsperformance optimizationstate managementrapid prototyping
Soft skills
communicationownership mentalityself-managementadaptabilitycollaboration