Kaustubh Saxena

CTO

Delhi, India8 yrs 9 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Led the development of BrowserStack Accessibility Toolkit.
  • Created a global state management system as an alternative to Redux.
  • Spearheaded initiatives to enhance developer workflows at BrowserStack.
Stackforce AI infers this person is a SaaS-focused Frontend Engineer with extensive experience in accessibility and developer tools.

Contact

Skills

Core Skills

Node.jsFrontend DevelopmentCode AnalysisAccessibilityBackend Development

Other Skills

A11Y scannerAWSAdobe IllustratorAmazon Web Services (AWS)Babel.jsCascading Style Sheets (CSS)Chrome DevToolsChrome ExtensionCloudflareCodeigniter (HMVC Architecture)CodeignitorCognitive Complexity CheckerCore PythonEsbuildFrontend Infrastructure

About

As a Lead Engineer at BrowserStack, I build and maintain web/desktop applications and their infrastructure that enable cross-browser testing and debugging for millions of developers worldwide. I work with JavaScript, Python, PHP, and various frameworks and libraries, such as React, Vue, Svelte, TypeScript, GraphQL, Node.js, and Chrome Extension and more. I have over 8 years of experience as a software engineer, working for leading companies and organizations, such as BrowserStack, The Economist Intelligence Unit, Paytm, LambdaTest, and Etelligens Technologies. I have contributed to the design, development, and deployment of multiple products and features, such as BrowserStack Accessibility Toolkit, EIU Viewpoint, Paytm Business Khata, Paytm Insurance Reseller, Paytm Insurance POS, and LambdaTest Automation and Integrations. I have also built my own in-house global state management system as an alternative to Redux, which is currently in powering EIU viewpoint. I am passionate about learning new technologies and solving challenging problems with creativity and innovation.

Experience

8 yrs 9 mos
Total Experience
1 yr 9 mos
Average Tenure
4 yrs 7 mos
Current Experience

Browserstack

3 roles

Senior Technical Lead

Nov 2025Present · 6 mos · Remote

Engineering Team Lead

Promoted

Nov 2023Nov 2025 · 2 yrs · Remote

  • As Team Lead of the Central-Frontend team comprising 12 talented individuals, I spearhead initiatives that streamline developer workflows, enhance product performance, and drive innovation. I manage quarterly roadmaps for three additional teams beyond my core team, ensuring strategic alignment across engineering functions.
  • Developer Experience & Tooling:
  • We developed the Frontend-CLI, a Node.js tool that automates redundant tasks and boosts developer efficiency. The Frontend Devtools provides package monitoring and system health tracking. I created the Cognitive Complexity Checker, a VSCode extension that analyzes code complexity and provides refactoring insights.
  • Infrastructure & Platform Engineering:
  • I maintain our frontend infrastructure using Terraform and led the migration from Node 12 to Node 20.9. We transitioned from Jenkins to locally-powered deploys, eliminating costly EC2 staging environments. Our AWS cost tracker enables granular expense tracking per product, improving financial visibility.
  • Design System & Innovation:
  • I built a Design System adoption engine that accelerates adoption and governance across products. For our Low Code automation product, we created deploy versioning capabilities. The Frontend Notifier serves as our centralized notification hub for organizational communication.
  • Performance & Security:
  • We integrated Cloudflare to enhance security and accelerate page load times. We've researched Small and Large Language Models to optimize workflows and automated infrastructure setup for new products, reducing time-to-market.
  • Through these initiatives, my team consistently demonstrates commitment to technological advancement and delivering exceptional results.
Node.jsTerraformCloudflareFrontend-CLICognitive Complexity CheckerAWS+1

Senior Software Engineer

Oct 2021Nov 2023 · 2 yrs 1 mo · Remote

  • As a Senior Software Engineer, I have consistently demonstrated my expertise in delivering innovative solutions and driving technological advancements.
  • One of my notable achievements is the creation of the BrowserStack Accessibility Toolkit, a powerful Chrome extension developed from scratch. This tool serves as a cornerstone for enhancing accessibility across various platforms.
  • I played a pivotal role in developing the A11Y scanner core, which serves as the backbone for BrowserStack Accessibility Automation. This cutting-edge technology empowers organizations to streamline their accessibility compliance processes, ensuring inclusive and user-friendly digital experiences.
  • Throughout my tenure, I have worked closely with the Enterprise Side team, contributing to critical features such as Multi-Factor Authentication (MFA), Audit Logs, and Teams management. My contributions have significantly enhanced security, compliance, and collaboration capabilities for enterprise clients.
  • Currently, I am an integral part of the FE Central Squad, a team dedicated to maintaining and enhancing the Frontend Infrastructure, Design Systems, and Third-Party Services. In this role, I leverage my technical expertise to ensure the seamless integration and optimal performance of our frontend ecosystem, enabling efficient and scalable development processes.
  • With a deep understanding of accessibility standards, security best practices, and cutting-edge technologies, I consistently strive to deliver high-quality solutions that meet the evolving needs of our clients and users. My ability to work collaboratively with cross-functional teams, combined with my passion for continuous learning and innovation, allows me to drive impactful contributions and shape the future of our digital landscape.
Chrome ExtensionA11Y scannerMulti-Factor AuthenticationFrontend InfrastructureFrontend DevelopmentAccessibility

The economist intelligence unit (the eiu)

Software Engineer L2

Aug 2020Oct 2021 · 1 yr 2 mos · Gurugram, Haryana, India · Remote

  • Building EIU Viewpoint. Worked from scratch on the Frontend built on React. Contributed to design system and built our own in-house Global State Management System as an alternative to Redux, currently which is deployed in production. Currently working on specific feature sets for the product
ReactGlobal State Management SystemFrontend Development

Paytm

Software Engineer

Jun 2019Aug 2020 · 1 yr 2 mos · Noida Area, India

  • Software Engineer. Worked on React/Redux, Webpack, Vanilla JS, SASS. Core Frontend Engineer for Paytm Business Khata, Paytm Insurance Reseller, Paytm Insurance POS
ReactReduxWebpackFrontend Development

Lambdatest

Member Of Technical Staff

Sep 2018May 2019 · 8 mos · Noida Area, India · On-site

  • Worked on React.js, Node.js, Laravel, Python, Vanilla.js. Core Frontend Engineer for Lambdatest Automation. Author of Nuisance.js
ReactNode.jsLaravelPythonFrontend Development

Etelligens technologies pvt.ltd.

Software Engineer

Jul 2017Sep 2018 · 1 yr 2 mos · Noida Area, India

  • Worked on PHP - Laravel, Codeignitor, Yii2, NodeJs. Was Core developer for Yoghurt.io, The TravelNet, V-sign Management
PHPLaravelCodeignitorYii2Backend Development

Education

Kurukshetra University

Bachelor of Technology - BTech — Computer Science

Jan 2013Jan 2017

Stackforce found 100+ more professionals with Node.js & Frontend Development

Explore similar profiles based on matching skills and experience