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Recognized cybersecurity employer, mid-level frontend title, and broad applicant pool increase competition despite niche extension skills.
Core frontend skills transfer across industries, but browser-extension and security specialization limit portability.
Explicit 2–4 years plus mandatory TypeScript/React and browser-extension expertise creates stringent shortlisting.
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Develop and maintain browser-extension features for Chrome, Firefox, and Safari, implementing security capabilities that operate in real time across multiple execution contexts.
Translate product requirements and UI/UX designs into secure, performant TypeScript code for use by millions of users, ensuring minimal impact on browsing experience.
Collaborate cross-functionally with UI/UX designers, backend engineers, and QA to deliver end-to-end features with thorough testing and rigorous debugging.
2–4 years of professional software development experience with production frontend applications in TypeScript and/or JavaScript.
Experience with browser-extension development for Chrome, Firefox, and/or Safari including working knowledge of extension APIs, manifest versions (MV2/MV3), permission models, and scripting contexts.
Strong command of JavaScript (ES6+) and TypeScript, including async/await, closures, and modules.
Experience with at least one modern frontend framework or reactive UI library (e.g., React, Vue, Svelte).
Comfortable working on browser-level security features within extensions targeting major browsers and reconciling engine API differences.
Focuses on building secure, scalable solutions at scale with attention to performance and resource efficiency in client-side environments.
Demonstrates a data-driven approach to decision making and actively integrates AI tools or new technologies to enhance development workflows.