Rahil Manzar

• Developed performant and extremely fast web trading terminal all from scratch in just 3 months of time. Worked on core optimization of application resulted into reducing app size to 200 KB total app size. Tech Stack used are solid js, tailwind, workers, websockets.
• Developing and Leading Spark Lite team where we are building PWA version of trading application Spark all from scratch supporting offline access, 70kb Gzipped bundle size. Realtime app updates using FCM, in house streamer service for price updates , webSocket handling for order management. PWA score currently is 92 on lighthouse.
• Developed light-weight KYC web application for smooth onboarding of customer. Complete migration from existing system to new system happened in just 4 months. Tech Stack - Vue js, Javascript, Node, Cypress E2E testing
• Creating HLD/LLD , design decision , mentoring team of 8 along with feature development is my day to day work.

Staff Engineer (May 2022 - Present)

Senior Software Engineer (May 2020 - April - 2022)

• Working on a project where we are bringing multiple stand alone Apps together into one single app leading to a unified associate journey. Being part of mobile platform team I have designed and implemented various sharable libraries and apps that are used by multiple tenants within Walmart.
• I have created modules and libraries like HTTP network library, app configuration module, app navigation, local storage, pin security, telemetry, state management and various hybrid react native apps that are shared across multiple standalone apps for store systems.
• My work involves end to end delivery from creating design ADR (HLD & LLD), code implementation till deployment.
• Test driven development for all modules with at-least 90% coverage using enzyme, jest, react- test-renderer, react-testing-hooks.
• Mentored a team of 4 engineers and helping them in technical solutions and decisions.

• Responsible for making Myntra and Jabong's progressive web application which is highly performant using Preact , workbox for service workers, web workers and dynamic module bundling using webpack, pre-caching, preloading and many more performance related tasks.
• Worked on open source project called @js-factory/one-js, A unified Javascript framework for building a high performance web application. Worked on performance the PWA app like Hybrid rendering, prefetching , preloading, font face observer implementation, HTTP2 server push, dynamic and lazy loading of components to name few of them.
• Reviewed project specifications and designed technology solutions that exceeded performance expectations.

• Built an on-boarding application for merchants across India to do business with Paytm known as DIY Paytm business application.
• Developed an in-house on-boarding engine panel for audits and records. Built KYC web flow on Paytm website wherein a person can do KYC on Paytm web app (Previously it was only through Paytm app).

• Designing of API and UI development. Re-architecture of website from java to node js (site migration and rebranding). Migrated all 12 sites including web & mobile into react framework from existing jQuery and native javascript.
• Built In-house publisher dashboard an isomorphic application which serves merchants's feed. Technology used were java, node js , react js , redux, babel, gulp.