Apr 2024 – Oct 2025 · 1 yr 6 mos

Jul 2021 – Apr 2024 · 2 yrs 9 mos

• Web Platform team building out the infrastructure and experience for our product teams at PayPal.
• Added features to internal CDN tools so that purging of cache can be done incrementally on different CDNs for each file/bundle upload.
• Currently working on migration of old CDN infrastructure to new.

Apr 2021 – Jun 2021 · 2 mos

Jul 2019 – Apr 2021 · 1 yr 9 mos

• Working with remote team of Mckinsey & co.(client) as a full stack developer and taking part in development as well as agile ceremonies like Scrum, planning, grooming and, team-retro. Moreover, polishing the skill of breaking the task into fragments and estimate their weightage during planning.
• Currently, working on a business intelligence tool named KORU of Mckinsey new ventures. Koru is all based on monte-carlo tree structure to calculate risk and impact which is supported by excel like formula builder and lots of data visualizations along with several many-to-many relational elements as a part of concept.
• Highlights:
• Implemented the monte-carlo simulation
• Working on data visualization
• Implemented user authorization
• Writing unit tests and end to end test cases using sinon, jest, mocha and Enzyme
• Performance improvement for monte-carlo simulation algorithm
• Applied code-splitting and lazy loading (React)
• Created generic libraries
• Ready to use React Presentation Mode which is completely independent and can be use liked a NPM
• Maintaining and improving existing application
• Managing the regular deployments
• General problem solving for end-to-end testing
• Tech Stack:
• Typescript
• React
• Redux
• D3
• Nodejs
• Express js
• Hapi js
• Postgres
• Material-ui
• CSS/SASS
• HTML 5
• AWS
• Devops tools
• selenium
• postman
• circleCI
• docker
• terraform
• helm
• Agile tools
• Jira
• slack
• zeplin
• confluence

Dec 2016 – Jul 2019 · 2 yrs 7 mos · New Delhi Area, India

• Designed and created the code base of a product from scratch. Functionality includes user management, team management, team hierarchy, roles, parcel booking, stationery system etc.
• Developed a customizable form to create custom job templates. It is something like google forms with extra features like creating SOP for job, creating task list, creating custom job flow along with forced properties.
• Introduced web workers to reduce the processing time by a significant amount.
• Developed a mechanism to read the COM port data from an input weight machine for real-time weight readings and averaged out the readings over time using kalman filter algo.
• Introduced a redis caching layer to reduce the load on DB with custom caching strategy.
• Performance optimisation in DB queries, component rendering, data fetching.
• Developed an event driven system and utilised nodejs event emitter to reduce the tight coupling in code architecture, custom event handling, asynchronicity.
• Wrote custom utility components and react router to manage the permissions and role based rendering of nested components with fallback UI.
• Thoroughly followed material.io guidelines/specs to keep the UI consistent and up to date with its pattern. Introduced dark mode in the application.
• Responsible for several libraries upgrade and respective code changes.
• Created general wrapper functions to make REST api calls by injecting the URL literals, methods and URL parameters.
• Created different dashboards, data tables for first, middle and last miles.
• Created large reporting systems using persistent queues and workers.
• Developed data tables which can render large number of data and can perform actions on them.
• Technologies/Libraries: NodeJS, ReactJS, RabbitMQ, Redis, MongoDB, Git, DB Replication, Material-UI, Virtualized components, Ansible, Web components etc.