Are you a frontend developer with strong JavaScript skills and an interest in building high-quality digital experiences? JioStar, the company behind JioHotstar, is hiring for a Software Development Engineer I position in Bengaluru. The role is focused on frontend engineering, browser technologies, reusable components, UI/UX implementation, accessibility, performance and cross-browser compatibility.
๐ Job Details
๐ข Company: JioStar / JioHotstar
๐ผ Role: Software Development Engineer I
๐ Job ID: JR12321
๐ Location: Bengaluru โ We Work
๐ป Domain: Frontend Development / Software Engineering
๐จโ๐ป Experience: 1โ3 years as per the shared post; official detailed listing states 0โ2 years
๐ Education: Bachelor’s/Master’s in Computer Science or related field
๐ Primary Skill: JavaScript
โ๏ธ Frameworks: React, AngularJS or similar
๐ Core Areas: Browser Internals, Architecture, UI/UX, Performance
๐ง Tools: Git, Grunt/Gulp
๐จโ๐ผ Reporting To: Engineering Manager
๐ข About JioStar & JioHotstar
JioStar is a media and entertainment company created through the merger of Viacom18 and Star India. Its portfolio spans television and digital entertainment, while JioHotstar was launched in February 2025 through the coming together of JioCinema and Disney+ Hotstar. JioStar says its television network and streaming service reach more than 800 million viewers every week.
๐ป What Will You Work On?
As an SDE I, you will be expected to own and deliver end-to-end frontend features. The official JD specifically highlights performance, accessibility and cross-browser compatibility. You will collaborate with product stakeholders, translate UI/UX designs into technically feasible implementations and create reusable code and libraries for the company’s in-house design system.
Documentation is another part of the role, including DFDs, code comments and demonstrations of technical solutions. You will also participate in code reviews and follow clean, efficient and maintainable coding practices.
๐ Why This Role Is Good for Experience
This position can provide practical exposure across several important frontend engineering areas. You would work on user-facing products where performance, accessibility, browser compatibility and reusable component design are explicitly part of the responsibilities.
The role can help strengthen experience in JavaScript architecture, frontend frameworks, design systems, UI implementation and engineering collaboration. JioHotstar’s scale also means developers are working within a product ecosystem built for a large streaming audience; JioStar describes JioHotstar as having 450 million monthly average users and more than 300,000 hours of programming.
For someone building a career in frontend engineering, the combination of JavaScript fundamentals, browser knowledge, reusable components and production-oriented development can add meaningful depth to a resume.
๐ง Skills Required
โก JavaScript: ES6+, closures, scope, promises, async/await, event loop, prototypes and DOM manipulation.
๐ Browser Internals: Rendering pipeline, DOM/CSSOM, layout, paint, compositing, caching and browser storage.
โ๏ธ React/Angular: Components, state management, lifecycle concepts, routing and reusable architecture.
๐๏ธ Design Patterns: MVC, Observer, Factory, Singleton and component-oriented design concepts.
๐จ UI Engineering: Responsive design, accessibility and translating Figma/UI designs into functional interfaces.
๐ Performance: Lazy loading, code splitting, asset optimization, caching and minimizing unnecessary renders.
๐ Git: Branching, merging, pull requests, rebasing and resolving conflicts.
๐ ๏ธ Build Tools: Basic understanding of Grunt/Gulp and modern frontend build concepts.
๐งฉ Testing: Unit testing, component testing and browser-based testing are useful additions.
๐ก Open Source: Contributions are not mandatory, but a visible contribution can demonstrate practical engineering habits.
๐ฏ Expected Interview Rounds
For this SDE I role, candidates can prepare for:
๐ป Technical JavaScript Round: Core JavaScript, coding, event loop, closures, promises and browser concepts.
๐งฉ Frontend/Machine Coding: Building a reusable UI component and explaining design decisions, edge cases and state handling.
๐๏ธ Architecture Discussion: Design patterns, component architecture, framework selection and reusable code.
๐ Browser & Performance Discussion: Rendering, accessibility, caching, performance optimization and cross-browser issues.
๐ Manager/Behavioral Round: Project ownership, collaboration, learning mindset and communication.
๐ฐ Salary Range
The vacancy itself does not disclose a salary/CTC. Public salary data for JioStar currently includes limited employee-submitted figures, but the available data does not provide a reliable SDE I-specific range for this exact requisition. For example, Glassdoor currently lists submitted compensation for several JioStar roles, including Senior Software Engineer, but those figures should not be treated as the salary for JR12321.
๐ฅ Preparation Tip
โก Go deeper than React: The JD specifically asks whether you understand why a framework is necessary. Be ready to compare vanilla JavaScript with React/Angular and explain componentization, state management and maintainability.
๐ Study browser rendering: Revise DOM, CSSOM, render tree, layout, paint, compositing and the critical rendering path.
โฑ๏ธ Master the event loop: Practice explaining synchronous execution, callbacks, promises, microtasks and macrotasks using real code examples.
๐งฉ Build a reusable component: Create a dropdown, modal, autocomplete or carousel with keyboard accessibility, configurable props and clean state handling.
๐ Optimize a slow page: Prepare a practical answer covering lazy loading, code splitting, image optimization, caching and unnecessary JavaScript execution.
๐๏ธ Revise architecture patterns: Understand when patterns are useful rather than memorizing definitions.
๐ฑ Think cross-browser: Know how you would investigate a feature working in Chrome but failing in another browser.
๐ Resume Tips
Put JavaScript, React/Angular, Browser Internals and Frontend Development prominently near the top of your resume. Your project bullets should demonstrate engineering depth rather than simply listing technologies.
Instead of writing โBuilt React website,โ describe the actual engineering work: reusable components created, performance improvements, accessibility implementation, API integration, state management or cross-browser fixesโusing genuine metrics where available.
Mention Git, frontend build tools and design patterns if you have practical experience. If you have contributed to GitHub/open-source projects, add the repository link and briefly explain your contribution.
๐ฉ How to Apply
๐ Application Link: Click Here
Candidates interested in the Software Development Engineer I โ JR12321 opportunity should apply through the official JioStar careers portal:
๐ Apply for JioStar Software Development Engineer I โ JR12321
Before applying, verify your experience against the official listing because the shared post says 1โ3 years, while the detailed official description states 0โ2 years of professional frontend experience.
