Chrome Extension Engineer

LandEarly; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

LandEarly is seeking a Chrome Extension Engineer to build and grow the free LandEarly browser extension for Chrome and Edge. The role focuses on shipping a fast, secure extension that turns new tabs into live job feeds and decodes listings into plain-language summaries for job seekers.

You will design, implement, and maintain the extension, ensuring cross-browser compatibility and compliance with store policies, while collaborating with backend and product teams to keep data in sync with

Qualifications

• Experience shipping browser extensions for Chrome/Edge.
• Strong JavaScript/TypeScript with Manifest V3 knowledge.
• Experience parsing web pages to extract structured data.

Responsibilities

• Design, build, and maintain LandEarly Chrome/Edge extension and posting decoder features.
• Implement content scripts and background logic to surface job postings from sites.
• Sync extension data with LandEarly web and mobile apps with backend teams.
• Optimize performance, load time, and memory for high-frequency new-tab usage.
• Handle authentication and secure data flows between extension, sign-in, and user accounts.
• Maintain compatibility with Chrome Web Store and Edge Add-ons policies.

Skills

JavaScript

TypeScript

Content scripts

Background scripts

Browser APIs

DOM parsing

Permissions scoping

CSP

REST APIs

GraphQL API

Cross-browser

Job description

LandEarly is looking for a Chrome Extension Engineer to build and grow the free LandEarly browser extension for Chrome and Edge, which turns every new tab into a live feed of fresh job postings and decodes job listings into plain-language summaries for users. This is a hands-on engineering role focused on shipping a fast, reliable, and secure extension used by job seekers every day.

What you'll do

• Design, build, and maintain the LandEarly Chrome/Edge extension, including the new-tab experience and posting decoder features
• Implement content scripts and background/service worker logic to detect, parse, and surface job postings from third-party sites
• Work closely with backend and product teams to sync extension data with the LandEarly web and mobile apps
• Optimize extension performance, load time, and memory usage across high-frequency new-tab usage
• Handle authentication and secure data flows between the extension, sign-in state, and user accounts
• Monitor and maintain compatibility with Chrome Web Store and Microsoft Edge Add-ons policies and review processes

What we're looking for

• Professional experience building and shipping browser extensions, ideally for Chrome and/or Edge
• Strong JavaScript/TypeScript skills, with solid understanding of Manifest V3, content scripts, background/service workers, and browser extension APIs
• Experience with DOM parsing and scraping techniques for extracting structured data from varied web pages
• Familiarity with extension security best practices, including permissions scoping, CSP, and secure messaging between extension contexts
• Comfort working with REST/GraphQL APIs to sync extension state with backend services
• Ability to debug cross-browser quirks and maintain compatibility across Chrome and Edge releases

Nice to have

• Experience publishing and maintaining extensions through the Chrome Web Store and Microsoft Edge Add-ons store
• Familiarity with building companion mobile or web apps that sync in real time with a browser extension
• Background in job search, recruiting, or productivity tools