Summary
Overview
Work History
Education
Skills
Accomplishments
Hobbies and Interests
Timeline
Ritesh Kumar

Ritesh Kumar

Bengaluru

Summary

Experienced Senior Frontend Engineer with 11+ years of expertise in architecting high-performance UI platforms using JavaScript/React. Optimized complex architectures by implementing React memoization, Webpack bundling, and SW caching, improving page load times by 40% and render efficiency by 25%.

Proficient in micro-frontend architectures, having successfully segregated IAM UI Authn and Authz codebases, deploying bundles via Node servers in IAM containers. Reduced IAM UI memory usage by 36% (from ~63 MB to ~41 MB) by optimizing middleware, minimizing file operations, and adopting async file handling.

Adept at Webpack analysis, cutting bundle size by 30% and enhancing user experience with Lighthouse optimizations. Proven ability to mentor teams, streamline CI pipelines with CircleCI, and lead cross-functional collaboration for scalable, customer-centric solutions.

Overview

11
11
years of professional experience

Work History

Senior Member Of Technical Staff

Nutanix
08.2016 - Current
  • Micro-Frontend Architecture:Separated IAM UI’s Authn (legacy) and Authz (React) codebases, served through Node UI server running inside IAM containers.
    Improved container memory usage by 36% (from ~63 MB to ~41 MB) through optimized middleware and async file handling, addressing 503 errors during concurrent logins.
  • Performance Optimization:Implemented React.memo and useCallback hooks, improving render efficiency by 25%.
    Used Webpack Bundle Analyzer to eliminate redundant SDKs, reducing bundle size by 30% and improving FCP and TTI.
    Leveraged Lighthouse audits, maintaining 90+ scores across performance, accessibility, and SEO.
  • Caching and API Optimization:Developed a Service Worker-based caching solution for sub-apps, reducing network overhead by 35%.
    Designed configurable API middleware, streamlining caching and expiration policies across clients.
  • CI and Delivery:Configured CircleCI pipelines for smooth integration and faster delivery.
    Led cross-functional teams, ensuring on-time delivery aligned with business objectives. Mentored junior engineers, fostering a learning culture and ensuring the adoption of best coding practices. Conducted code reviews focused on security (OWASP) and performance optimization, maintaining code quality and scalability.

Member of the Technical Staff

Calm.io
08.2015 - 08.2016
  • Design, build, and maintain UI components for the platform, ensuring user-friendliness, efficiency, and visual appeal in collaboration with product and design teams
  • Perform regular code reviews and testing to ensure the high quality of UI components
  • Stay current with UI trends and technologies, integrating them into the UI component library while actively participating in team meetings, scrums, and other development activities.

Software Engineer

Tricon Infotech
06.2013 - 08.2015
  • Led app development projects, coordinating efforts with teams across various offices
  • Defined project requirements, conducted research, and identified optimal development techniques
  • Developed hybrid apps for Android and iOS using AngularJS and Node.js, handling both front-end and back-end development, and creating Proof of Concepts aligned with the software strategy.

Education

EMBA - Product Leadership

Institute of Product Leadership, Bengaluru, Karnataka
08.2020

Bachelor of Technology - Electrical Engineering

IIT Bhubaneswar, Bhubaneswar, Odisha
06-2013

Skills

  • Frontend: HTML5, CSS3, JavaScript (ES6), ReactJS, Redux, TypeScript, Nodejs
  • Build Tools & Performance: Webpack (Bundle Analyzer), Rollup, Lighthouse, Service Workers, CircleCI
  • Testing: Jest, React Testing Library
  • Soft Skills: Leadership, Problem Solving, Collaboration, Communication

Accomplishments

  • Patent Granted: US 16273178
  • Filed Feb 12, 2019 - Providing control to tenants over user access of content hosted in cloud infrastructures.
  • Hackathon Winner: Overall winner of Nutanix Hackathon 8.0 (2022).
  • Appathon Finalist: Finalist in the 1st GoK 10x Appathon by the Government of Karnataka (Dec 2015).
  • Academic Excellence: Recipient of the Merit Cum Means Scholarship issued by the Central Government of India and IIT Bhubaneswar for all four years of college.
  • CBSE Merit Certificate: Received CBSE Merit certificate for being among the top 0.01% of students who appeared in the Class X maths exam (C.B.S.E Board).
  • Top District Rank: Secured first district rank in Giridih district, Jharkhand, in the Class X examination (2007).
  • Top 100 Student Selection: Selected as one of the top 100 students from the state of Bihar and Jharkhand for CPYLS-2007 (March 2007).

Hobbies and Interests

  • Playing tennis ball cricket
  • Badminton
  • Chess

Timeline

Senior Member Of Technical Staff - Nutanix
08.2016 - Current
Member of the Technical Staff - Calm.io
08.2015 - 08.2016
Software Engineer - Tricon Infotech
06.2013 - 08.2015
Institute of Product Leadership - EMBA, Product Leadership
IIT Bhubaneswar - Bachelor of Technology, Electrical Engineering

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Ritesh Kumar