Mod Khalid
Frontend Engineer
Bengaluru,KA
Summary
Software Engineer experienced in building mission-critical applications and dashboards for pan-India dark store operations. Delivered scalable frontend solutions through React, React Native, and TypeScript, addressing complex issues and optimizing performance. Collaborated with cross-functional teams to ensure timely delivery of high-quality, reliable applications.
Overview
6
6
years of professional experience
Work History
Software Development Engineer - II
Swiggy
04.2023 - Current
- Worked on Instamart B2B and supply-chain platforms, maintaining and scaling multiple repositories that power critical business workflows across SCM and operational systems.
- Spearheaded the migration of business-critical features from web to React Native, ensuring seamless feature parity, and a high-quality mobile experience. Contributed to improving application stability, reducing the crash rate from 1% to 0.07%, and drove asset and build optimizations that reduced APK size by more than 18 MB.
- Reduced dashboard time-to-interactive from approximately 200 ms to less than 100 ms by applying lazy loading, rendering improvements, bundle optimization, and frontend caching patterns; improved mobile startup p50 from approximately 4.5 seconds to approximately 3 seconds by removing blocking operations and optimizing asynchronous workflows.
- Worked on and maintained a Node.js BFF layer integrated with gRPC and backend services, improving API reuse, frontend-backend separation, secure auth handling, and reliability across supply chain workflows.
- Spearheaded collaboration across functions, working with product design, QA, backend operations, and support teams to clarify ambiguous business requirements into scalable technical solutions, managing features from design review through production deployment, and operational stabilization.
- Fortified code integrity via Jest and Playwright integrated checks, alongside proactive monitoring of production crashes and AI-supported test/debug procedures.
- Contributed actively to engineering best practices regarding performance, maintainability, observability, and release quality.
- Technologies: React, TypeScript, JavaScript, React Native, Redux, Node.js, Monorepo, Zustand, Jest, Playwright, Next.js, Firebase, Crashlytics, AI.
SDE 1
Swiggy
10.2021 - 03.2023
- Successfully launched the new business line within a challenging time frame of 6 months.
- Worked closely with the tech lead and took ownership of the development of a new business line, handpicked from inception to release, leveraging limited bandwidth and resources.
- Collaborated closely with cross-functional teams, including product managers, designers, and stakeholders, to define project scope, requirements, and timelines.
- Designed and implemented a scalable architecture using modern web technologies, including React, Next.js, Webpack, Lerna, native bridges for devices, Storybook, Jest, etc.
- Developed responsive and intuitive user interfaces, ensuring optimal user experience across different devices and screen sizes.
- Providing a solution, API contract closure, and solution presentation.
SDE 1
OYO
08.2020 - 10.2021
- Implemented Partial Payments feature, enabling users to confirm bookings with minimum upfront payment, enhancing booking flexibility.
- Proposed a solution and implemented a scalable system for influencers, where influencers can request banners/widgets by providing details like channel name, height, width, and custom text over the image. As a result, the system is able to provide HTML snippets and banner images. Influencers can paste the same banner/HTML code to their website, social media, etc.
- Migrated mobile and desktop pods into a unified codebase, reducing maintenance overhead.
- Improved production stability through systematic troubleshooting and implementation of security fixes.
- Proposed and implemented scalable system for influencers to request customizable banners/widgets, streamlining content integration across websites and social media.
Education
B.Tech - Computer Engineering
Jamia Millia Islamia
New Delhi01-2020
Skills
Primary Stack: React, JavaScript, TypeScript, Redux / Zustand, Nextjs, Nodejs, React Native
API development
Key responsibilities: API Design and integration, System Design, Cross-Functional Teamwork, Code/PR
Quality & Ops: Jest, Playwright, Maestro, Bitrise, ESLint, Biome, Prettier, Firebase, New Relic
Build & AI Tools: WebPack, Learna (monorepos), Vite, Cursor, Agentic AI
Native Mobile: Native Modules, Bridging in React Native
Reviews, Release Management, and creation of technical documentation
Timeline
Software Development Engineer - II
Swiggy
04.2023 - Current
SDE 1
Swiggy
10.2021 - 03.2023
SDE 1
OYO
08.2020 - 10.2021
B.Tech - Computer Engineering
Jamia Millia Islamia