Zscaler

1 day ago

Staff Software Development Engineer (React/Typescript/Browser Extension Development)

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 2 hours agoStatus: Live

Job Summary

Join the Frontend Engineering team to build and evolve a Zero Trust Browser extension (Browser Detection and Response) that protects users inside Chrome, Firefox, and Safari. You’ll turn product requirements and UI/UX designs into high-performance, secure TypeScript features, implement low-overhead security logic for every page load, and partner with UI/UX, backend, and QA to ship end-to-end capabilities. You’ll also write rigorous unit/integration tests and debug complex extension contexts.

Location: Bengaluru

Workplace: Hybrid

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Mid level

Key Responsibilities

•Translate product requirements and UI/UX designs into clean, well-tested, high-performance browser-extension features across UI and in-browser security/detection modules.
•Implement security-sensitive logic that runs on every page load with minimal overhead, focusing on latency and memory consumption.
•Write maintainable, modular code and actively participate in elevating team code reviews.
•Develop comprehensive unit and integration tests and debug issues across extension contexts using browser developer tools.
•Collaborate with UI/UX designers, backend engineers, and QA to ship features end-to-end and communicate progress and blockers.

Pay and Benefits

Perks:Health InsurancePaid LeaveParental LeaveRetirementLearning Budget

Key Requirements

•5+ years of professional software development experience building production frontend applications in TypeScript and/or JavaScript.
•Hands-on browser-extension development for Chrome, Firefox, and/or Safari, including extension APIs, manifest versions (MV2/MV3), permission models, and separation of content scripts/background/service workers/extension pages.
•Strong JavaScript (ES6+) and TypeScript fundamentals, including types, async/await, closures, and modules.
•Experience with a modern frontend framework or reactive UI library (e.g., React, Vue, Svelte), with the ability to quickly learn new frameworks.
•Proficiency with HTML5 and CSS3 for responsive, component-based UIs.

Experience:5+ yearsCybersecurityBrowser extensionsFrontend engineeringZero Trust

Skills:CollaborationOwnershipAccountabilityProblem-solvingData-driven

Languages:English

Tech Stack:ReactTypeScriptJavaScriptChromeFirefoxSafariES6Async/awaitHTML5CSS3MV2MV3Node.jsXSSCSRFContent isolation

Company Brief

Zscaler

Provides cloud-native security platform delivering secure access, threat protection, and zero trust services to organizations, enabling secure internet and private application access without traditional network appliances.

Industry: Cybersecurity

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Public Company

Valuation: Public Company (Market Cap in USD)

Funding: IPO / Publicly Listed

Headquarters: San Jose, United States

Founded: 2007

Website LinkedIn

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Zscaler

1 day ago

Staff Software Development Engineer (React/Typescript/Browser Extension Development)

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 2 hours agoStatus: Live

Job Summary

Location: Bengaluru

Workplace: Hybrid

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Mid level

Key Responsibilities

•Translate product requirements and UI/UX designs into clean, well-tested, high-performance browser-extension features across UI and in-browser security/detection modules.
•Implement security-sensitive logic that runs on every page load with minimal overhead, focusing on latency and memory consumption.
•Write maintainable, modular code and actively participate in elevating team code reviews.
•Develop comprehensive unit and integration tests and debug issues across extension contexts using browser developer tools.
•Collaborate with UI/UX designers, backend engineers, and QA to ship features end-to-end and communicate progress and blockers.

Pay and Benefits

Perks:Health InsurancePaid LeaveParental LeaveRetirementLearning Budget

Key Requirements

•5+ years of professional software development experience building production frontend applications in TypeScript and/or JavaScript.
•Hands-on browser-extension development for Chrome, Firefox, and/or Safari, including extension APIs, manifest versions (MV2/MV3), permission models, and separation of content scripts/background/service workers/extension pages.
•Strong JavaScript (ES6+) and TypeScript fundamentals, including types, async/await, closures, and modules.
•Experience with a modern frontend framework or reactive UI library (e.g., React, Vue, Svelte), with the ability to quickly learn new frameworks.
•Proficiency with HTML5 and CSS3 for responsive, component-based UIs.

Experience:5+ yearsCybersecurityBrowser extensionsFrontend engineeringZero Trust

Skills:CollaborationOwnershipAccountabilityProblem-solvingData-driven

Languages:English

Tech Stack:ReactTypeScriptJavaScriptChromeFirefoxSafariES6Async/awaitHTML5CSS3MV2MV3Node.jsXSSCSRFContent isolation

Company Brief

Zscaler

Industry: Cybersecurity

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Public Company

Valuation: Public Company (Market Cap in USD)

Funding: IPO / Publicly Listed

Headquarters: San Jose, United States

Founded: 2007

Website LinkedIn