Onlano
Frontend DevelopmentRemote

Senior Software Engineer, Browser Extension

Keeper Security - Company

US, ๐Ÿ‡บ๐Ÿ‡ธ United StatesFull-time - Senior (4-7 years)0 applicantsCloses Jun 21, 2026

Salary

USD 90,772 - 90,772 / year

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Job description

Job details

  • Location: US
  • Work mode: Remote
  • Employment type: Full-time (Not an internship)
  • Salary: USD 90,772 per year

Role overview

Keeper Security is seeking a Senior Software Engineer to join their Browser Extension team in a fully remote capacity across the US. This role focuses on building and enhancing browser extensions using JavaScript and ReactJS for a leading cybersecurity platform trusted by millions of users and thousands of organizations in over 150 countries.

Job details

This is a full-time, remote position based in the United States. The role offers a competitive salary of approximately $90,772 USD. You will work on developing and executing innovative browser extension features that strengthen Keeper's cybersecurity software, published in 23 languages globally. The position requires senior-level expertise in JavaScript and ReactJS development within a fast-growing cybersecurity company.

Responsibilities

  • Develop and maintain browser extensions using JavaScript and ReactJS
  • Build innovative features for Keeper's cybersecurity platform
  • Collaborate with cross-functional teams on extension architecture
  • Ensure high performance and security standards across browser platforms
  • Contribute to code reviews and technical documentation

Requirements

  • 4+ years of professional JavaScript development experience
  • Strong expertise in ReactJS and modern frontend frameworks
  • Experience building browser extensions for Chrome, Firefox, or Edge
  • Understanding of cybersecurity principles and best practices
  • Excellent problem-solving and communication skills

Benefits

  • 100% remote work flexibility
  • Work on a globally trusted cybersecurity platform
  • Join a fast-growing cybersecurity company
  • Competitive salary package

Keywords

JavaScriptReactJSBrowser ExtensionCybersecurityFrontendRemoteWeb DevelopmentReact