Cyberhaven

We protect important data other tools can’t see, from threats they can’t detect, across technologies they can’t control.

Senior Software Engineer – Browser Extension

Full-stack EngineerSoftware EngineerFull TimeRemoteTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

65 days ago

Salary

$200K - $235K / year

Bachelor Degree5 yrs expEnglishJava ScriptType ScriptGo

Job Description

• Design, build, and maintain a robust browser extension for Chrome, Edge, and other major browsers using Manifest V3 and modern APIs. • Implement features that securely interact with web content and backend services, ensuring compliance with security best practices. • Optimize performance and reliability across diverse environments and user workflows. • Work closely with the endpoint agent and backend teams to ensure tight integration and consistent functionality across endpoints and services. • Stay ahead of evolving browser APIs, security standards, and extension ecosystem changes. • Participate in code reviews, testing, and continuous improvement of development processes.

Job Requirements

  • 5+ years of software engineering experience, with at least 3 years focused on browser extension development.
  • Strong proficiency in JavaScript/TypeScript, HTML/CSS, and modern web technologies.
  • Deep understanding of browser extension APIs (Chrome Extensions, Manifest V3, etc.) and security implications of interacting with web content.
  • Experience with secure coding practices and handling untrusted data.
  • Background in security tools, SaaS products, or endpoint technologies is a bonus.
  • Knowledge of Go for backend integration is a bonus.
  • Excellent communication skills and ability to work cross-functionally with product, design, and backend teams.

Benefits

  • Cyberhaven is committed to creating a diverse environment and is an equal opportunity employer.

Related Job Pages

More Full-stack Engineer Jobs

Full-stack Engineer65 days ago
Full TimeRemote

As a Software Engineer, you'll design, develop, test, and maintain software applications that support our pest control operations, customer service, and business growth. You'll work closely with cross-functional teams to understand business needs, identify opportunities for innov...

United States

Software Engineer

SOCKET

Unusually good internet, unusually good service. That's Socket.

Full-stack Engineer65 days ago
Full TimeRemoteTeam 51-200Since 1994H1B Sponsor

Software Engineer developing Socket web applications for faster open source code management

ElasticSearchGraphQLJavaScriptNode.jsPostgresReactTypeScript
United States

Staff Software Engineer

SOCKET

Unusually good internet, unusually good service. That's Socket.

Full-stack Engineer65 days ago
Full TimeRemoteTeam 51-200Since 1994H1B Sponsor

Staff Software Engineer developing Socket web applications for security and development teams

ElasticSearchGraphQLJavaScriptNode.jsPostgresReactTypeScript
United States
Full-stack Engineer65 days ago
Full TimeRemoteTeam 11-50H1B No Sponsor

Mid-career Software Engineer at Isaac Health improving brain health access

KotlinReactReact NativeSwift.NET
United States
$120K - $140K / year