Zscaler

3 weeks ago

Sr. 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: 5 hours agoStatus: Live

Job Summary

Join the Frontend Engineering team to build and evolve Zero Trust Browser, a Browser Detection and Response extension that protects users inside Chrome, Firefox, and Safari. You’ll implement in-browser security capabilities—threat detection, enterprise policy enforcement, and real-time content analysis—using highly performant TypeScript. Work end-to-end with UI/UX, backend, and QA, delivering secure, low-latency features supported by rigorous unit and integration testing.

Location: India

Workplace: Hybrid

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Sr. Manager level

Key Responsibilities

•Translate product requirements and UI/UX designs into clean, well-tested, performant browser-extension features spanning user UI to in-browser detection capabilities.
•Implement security-sensitive logic that runs on every page load with minimal overhead, focusing on latency and memory to avoid degrading the browsing experience.
•Write highly readable, modular code and actively elevate team code reviews by following established patterns and conventions.
•Write comprehensive unit and integration tests and debug issues across browser contexts (background scripts, content scripts, popups, and extension pages).
•Collaborate with UI/UX designers, backend engineers, and QA to ship features end-to-end and communicate progress and blockers clearly.

Pay and Benefits

Perks:Health InsurancePaid LeaveParental LeaveLearning BudgetPension

Key Requirements

•2–4 years of professional software development experience building production frontend applications in TypeScript and/or JavaScript.
•Experience developing browser extensions for Chrome, Firefox, and/or Safari, including extension APIs, manifest versions (MV2/MV3), permission models, and script/worker/page separation.
•Strong command of core JavaScript (ES6+) and TypeScript, including async/await, closures, modules, and accurate language mental models.
•Experience with at least one modern frontend framework or reactive UI library (e.g., React, Vue, Svelte) and ability to learn new frameworks quickly.
•Proficiency with HTML5 and CSS3 for responsive, component-based UIs, plus curiosity about AI tools and integrating new technologies into workflows.

Experience:2-4 yearsBrowser extensionsFrontendWeb securityZero Trust

Skills:CollaborationOwnershipAccountabilityProblem-solvingData-driven

Languages:English

Tech Stack:TypeScriptJavaScriptReactVueSvelteHTML5CSS3ChromeFirefoxSafariMV2MV3EsbuildViteRollupWebpackNode.jsXSSCSRF

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

3 weeks ago

Sr. 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: 5 hours agoStatus: Live

Job Summary

Location: India

Workplace: Hybrid

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Sr. Manager level

Key Responsibilities

•Translate product requirements and UI/UX designs into clean, well-tested, performant browser-extension features spanning user UI to in-browser detection capabilities.
•Implement security-sensitive logic that runs on every page load with minimal overhead, focusing on latency and memory to avoid degrading the browsing experience.
•Write highly readable, modular code and actively elevate team code reviews by following established patterns and conventions.
•Write comprehensive unit and integration tests and debug issues across browser contexts (background scripts, content scripts, popups, and extension pages).
•Collaborate with UI/UX designers, backend engineers, and QA to ship features end-to-end and communicate progress and blockers clearly.

Pay and Benefits

Perks:Health InsurancePaid LeaveParental LeaveLearning BudgetPension

Key Requirements

•2–4 years of professional software development experience building production frontend applications in TypeScript and/or JavaScript.
•Experience developing browser extensions for Chrome, Firefox, and/or Safari, including extension APIs, manifest versions (MV2/MV3), permission models, and script/worker/page separation.
•Strong command of core JavaScript (ES6+) and TypeScript, including async/await, closures, modules, and accurate language mental models.
•Experience with at least one modern frontend framework or reactive UI library (e.g., React, Vue, Svelte) and ability to learn new frameworks quickly.
•Proficiency with HTML5 and CSS3 for responsive, component-based UIs, plus curiosity about AI tools and integrating new technologies into workflows.

Experience:2-4 yearsBrowser extensionsFrontendWeb securityZero Trust

Skills:CollaborationOwnershipAccountabilityProblem-solvingData-driven

Languages:English

Tech Stack:TypeScriptJavaScriptReactVueSvelteHTML5CSS3ChromeFirefoxSafariMV2MV3EsbuildViteRollupWebpackNode.jsXSSCSRF

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