Shivam Kumar

AI/ML • Mumbai, India • UTC+05:30 • Work permits: India • Available now

Frontend Developer

11+ years exp

Python

JavaScript

TypeScript

Node JS

Active 2 days ago

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Overview

Technical skills

Timeline

Roles

Overview

Staff-level frontend engineer with 11 years of experience building high-performance enterprise applications using React, Next.js, and Node.js. Focuses on modern frontend architecture, SSR/performance optimization, and integration of real-time and REST services. Has led distributed teams and improved delivery pipelines and migration efforts for large partner ecosystems.

Technical skills

Python

JavaScript• 11y+

TypeScript• Junior • 8y+

Node JS• Junior

AI/ML

Claude

Copilot

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Claude Code

Frontend

Material UI

Sass

Webpack

Angular• 10y+

Preact• 8y+

React.js• 8y+

Next.js• 7y+

Redux• 7y+

React Query

Redux Toolkit

DevOps

Datadog

Docker

Kubernetes

WebRTC• 8y+

WebSockets• 8y+

Buildkite• 7y+

CI/CD• 7y+

GCP• 7y+

Google Cloud Run• 7y+

Rest API

Design

Canva

Jest

Timeline

Principal Frontend Engineer • Lead

Intertrust Technologies • Full-Time

Apr 2024 to Oct 2025 1 Year 6 Months Mumbai Partially remote

Architected frontend and integration layers for a greenfield music monetization platform, building UI flows with React, TypeScript, Redux Toolkit, and React Query alongside Node.js REST services. Partnered with backend teams on high-throughput API contracts, JWT-based authentication, and real-time data ingestion to ensure reliable interoperability. Led a distributed team of 6 engineers and optimized Nx monorepo CI/CD pipelines to reduce build and deployment times substantially.

React.js

TypeScript

Redux Toolkit

React Query

Node JS

Rest API

CI/CD

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Claude Code

Senior Software Engineer • Senior

Bluecore • Full-Time

Mar 2019 to Mar 2024 5 Years New Delhi In office

Led migration of core platform features to Next.js, improving SEO performance, SSR efficiency, and Core Web Vitals for high-traffic marketing applications. Built a campaign builder experience for non-technical users using React and Redux, and implemented an asynchronous image processing pipeline on GCP using Cloud Run. Reworked CI/CD with Buildkite to reduce build times and used automation to support large-scale partner configuration migrations.

Next.js

React.js

Redux

GCP

Google Cloud Run

Buildkite

CI/CDsince 2019

Software Engineer • Middle

Paytm • Full-Time

Apr 2018 to Mar 2019 11 Months New Delhi In office

Managed migration of enterprise merchant applications from Angular to a Preact/React front end with TypeScript, improving load performance for low-bandwidth users. Developed merchant transaction summary functionality and built high-scale Video KYC capabilities using WebSockets and WebRTC to support thousands of daily verifications. Coordinated end-to-end delivery for the migrated user experiences and real-time flows.

Angular

Preact

React.jssince 2018

TypeScriptsince 2018

WebSockets

WebRTC

Senior Frontend Developer • Senior

Betaout Software • Full-Time

Aug 2015 to Mar 2018 2 Years 7 Months Noida In office

Developed a drag-and-drop template editor using JavaScript/AngularJS, streamlining campaign creation for enterprise clients. Improved usability and engineering efficiency by reducing time required to build templates and campaign content. Contributed to frontend development for high-volume marketing workflows.

JavaScript

Angularsince 2015