Software Development Engineer III

Job description

Job Description
What qualities are we looking for?

*Proficient understanding of Web Fundamentals - HTML5, CSS3, JavaScript

*Proficient understanding of CSS pre-processing platforms, such as LESS and SASS or CSS in JS

*Proficient understanding of at least one modern UI framework React (preferred), Vue, Angular, or similar; experience with TypeScript is expected

*Experience with modern state and data-fetching patterns TanStack Query, Redux Toolkit, Zustand, or m equivalent and monorepo tooling (Turborepo, Nx, pnpm workspaces)

*Experience with Webpack, Vite, TurboRepo, npm/pnpm, and CI/CD pipelines.

*Sound knowledge of design patterns and practices for writing clean, linted, maintainable and reusable code.

*Strong understanding of RESTful APIs, GraphQL, micro-frontends, and server-side rendering (SSR) vs. static site generation (SSG).

*Proficient understanding of cross-browser compatibility issues and ways to work around them.

*Strong grasp of performance engineering Core Web Vitals, bundle budgets, rendering performance — and accessibility (WCAG) as first-class requirements

*Experience with TDD and unit/integration testing libraries (Vitest, Jest, Testing Library, Playwright/Cypress)

*Proficiency with AI-assisted development tools (Claude Code, Cursor, Copilot, or similar) — not just autocomplete-level usage, but agentic workflows for large refactors, test generation, and code migration

*Strong judgment in reviewing and hardening AI-generated code: catching hallucinated APIs, security issues, subtle correctness bugs, and architectural drift

*Ability to establish AI usage practices for a team prompt/context conventions, guardrails, tool evaluation, and mentoring engineers on effective and safe AI workflows
What will you get to do here?
*Own end-to-end frontend architecture decisions rendering strategy, module boundaries, design systems for complex, high-scale consumer products.

*Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.

*Lead the team's adoption of AI tooling: define usage guidelines, evaluate new tools, and raise the bar for how AI-assisted code is reviewed and verified.

*Develop user-facing features and apps, using AI tooling to move fast without compromising on quality.

*Build reusable code, libraries, and design systems for future use.

*Ensure the technical feasibility of UI/UX designs, using AI prototyping tools to explore and validate ideas quickly

*Be extremely detail oriented to strive for pixel-perfect implementation across devices and viewports.

*Optimize applications for maximum speed and scalability, with measurable performance budgets.

*Understand the internals of third-party libraries being used, and know when to build vs. adopt

Qualifications
*Own end-to-end frontend architecture decisions rendering strategy, module boundaries, design systems for complex, high-scale consumer products.
*Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.

Additional Information
Visit our tech blogs to learn more about some the challenges we deal with: https://medium.com/swiggy-bytes
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, disability status, or any other characteristic protected by the law.

Company Description
ABOUT THE TEAM & ROLE:
At Swiggy, SDE III(s) play an integral role in owning end-to-end Design/Architecture of complex systems.They co-own the technology vision of the respective team and significantly contribute to the overall success of the team. They partner with the product/business teams to understand the product features and specifications, translate them into high level and low-level design thereby facilitating the team in design and development of mission critical applications.

Interview problems reported for SWIGGY

Reported by candidates and public write-ups, not by SWIGGY. Practise each one here:

• Best Time to Buy and Sell Stock — Easy
• Course Schedule — Medium
• Longest Substring Without Repeating Characters — Medium
• Longest Consecutive Sequence — Medium
• Minimum Window Substring — Hard
• Longest Palindromic Substring — Medium
• Maximum Product Subarray — Medium
• Maximum Subarray — Medium
• Merge Intervals — Medium
• Sum of Two Integers — Medium

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