Vaibhav Kumar profile photo 1 on Tal

Vaibhav Kumar

Senior Software Engineer | MERN | React | TypeScript | Node.js | AI-Assisted Development | Full Stack Engineering

Greater Hyderabad Area

4+ years of work experience

WebileApps (India) Pvt. Ltd. (A KFin Technologies company)
Mar 20251 yr 9 mosPresent

Hyderabad, Telangana, India

Architecting and developing frontend solutions for a Wealth Management System serving 100K+ users with role-based access control using React, TypeScript, JavaScript, and MUI. Built 25+ reusable UI components and delivered 20+ end-to-end features and third-party integrations, reducing development effort for new screens by 40%. Led frontend development for an RM Portal and contributed to a cross-platform investor application, creating shared component libraries and validation logic. Improved Core Web Vitals (LCP, INP) by 15% through lazy loading, code splitting, memoization, and optimised state management. Implemented accessibility best practices using semantic HTML, ARIA attributes, and WCAG-compliant designs. Collaborated with clients, backend teams, and designers to streamline requirements and deliveries, while mentoring junior developers through code reviews and pair programming.
Swift Security(acquired by Concentric AI)
Oct 20246 mosMar 2025

Fremont, California, United States

Developed a feature to capture prompts and responses from AI websites by intercepting their APIs, enhancing data visibility and workflow efficiency. Spearheaded the development of customer extensions for Swift Security, a SaaS platform specializing in secure and automated online workflows. Authored TypeScript scripts to automate website events like Enter, Submit, Download, and Print, leading to a 10% improvement in workflow efficiency. Collaborated with cross-functional teams to align frontend functionalities with business objectives, ensuring seamless and timely delivery of impactful features.
Tata Consultancy Services
Jan 20222 yrs 9 mosSep 2024

Kolkata, West Bengal, India

Client: Pfizer Inc Designed and built UI interfaces for the Data Management Platform (DMP), integrating 25+ REST APIs and improving feature delivery speed by 50%. Led Agile efforts for a 7-member team, delivering user stories with 20% faster turnaround using Jira and implementing daily stand-ups that improved cross-team communication. Developed 30+ reusable React.js components with Tailwind CSS, reducing development time by 30% and establishing a component library that standardized UI across the platform. Optimized frontend performance through code splitting and lazy loading techniques, achieving a 40% improvement in page load times and enhancing overall user experience.
Skyfi Labs
Aug 20203 mosOct 2020

India

1. Spearheaded initiatives to foster practical knowledge among engineering students through engaging webinars and personalized sessions, aiming to bridge the gap between academia and industry. 2. Cultivated awareness and enthusiasm for practical learning methodologies, leveraging effective communication and collaborative skills. Engaged and impacted over 250 students, igniting their passion for hands-on learning and skill development.
GitHub
@vaibhavkumarswe
LeetCode
@vaibhavkumarswe
Personal portfoliovaibhavkumar.in

Vaibhav’s AI Stack

claude code
claude code
cursor
cursor
kiro
kiro
lovable
lovable
notion
notion

Education

Bhagalpur College of Engineering

Bachelor of Technology - B.Tech, Mechanical Engineering

Bhagalpur College of Engineering

20174 yrs2021
Bosscoder Academy

Full Stack Development, Computer Science

Bosscoder Academy

20231 yr2024

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Headline

Senior Software Engineer | MERN | React | TypeScript | Node.js | AI-Assisted Development | Full Stack Engineering

About

Hi, I'm Vaibhav Kumar, a Senior Software Engineer at WebileApps (a KFin Technologies company) with 4+ years building (and occasionally breaking) scalable, responsive solutions that users love. I specialize in frontend technologies, with hands-on fullstack (FE + BE) projects under my belt. My experience spans web apps, NPM packages, browser extensions, and fullstack SaaS platforms—always with a focus on secure, AI-driven features and lightning-fast performance. Tech Stack: React.js, TypeScript, JavaScript, Node.js, Express.js, Redux, RTK Query, MongoDB, SQL, HTML/CSS. I thrive on those head-scratching challenges that keep me debugging late into the night, turning complex ideas into smooth, scalable realities.

Location

Greater Hyderabad Area

AI stack

claude code

cursor

kiro

lovable

notion

Work experience

Senior Software Engineer at WebileApps (India) Pvt. Ltd. (A KFin Technologies company), Mar 2025 - Present · 1 yr 9 mos, Hyderabad, Telangana, India, Architecting and developing frontend solutions for a Wealth Management System serving 100K+ users with role-based access control using React, TypeScript, JavaScript, and MUI. Built 25+ reusable UI components and delivered 20+ end-to-end features and third-party integrations, reducing development effort for new screens by 40%. Led frontend development for an RM Portal and contributed to a cross-platform investor application, creating shared component libraries and validation logic. Improved Core Web Vitals (LCP, INP) by 15% through lazy loading, code splitting, memoization, and optimised state management. Implemented accessibility best practices using semantic HTML, ARIA attributes, and WCAG-compliant designs. Collaborated with clients, backend teams, and designers to streamline requirements and deliveries, while mentoring junior developers through code reviews and pair programming.

Senior Frontend Engineer at Swift Security(acquired by Concentric AI), Oct 2024 - Mar 2025 · 6 mos, Fremont, California, United States, Developed a feature to capture prompts and responses from AI websites by intercepting their APIs, enhancing data visibility and workflow efficiency. Spearheaded the development of customer extensions for Swift Security, a SaaS platform specializing in secure and automated online workflows. Authored TypeScript scripts to automate website events like Enter, Submit, Download, and Print, leading to a 10% improvement in workflow efficiency. Collaborated with cross-functional teams to align frontend functionalities with business objectives, ensuring seamless and timely delivery of impactful features.

Software Engineer at Tata Consultancy Services, Jan 2022 - Sep 2024 · 2 yrs 9 mos, Kolkata, West Bengal, India, Client: Pfizer Inc Designed and built UI interfaces for the Data Management Platform (DMP), integrating 25+ REST APIs and improving feature delivery speed by 50%. Led Agile efforts for a 7-member team, delivering user stories with 20% faster turnaround using Jira and implementing daily stand-ups that improved cross-team communication. Developed 30+ reusable React.js components with Tailwind CSS, reducing development time by 30% and establishing a component library that standardized UI across the platform. Optimized frontend performance through code splitting and lazy loading techniques, achieving a 40% improvement in page load times and enhancing overall user experience.

Skyfi Labs Student Leader Program at Skyfi Labs, Aug 2020 - Oct 2020 · 3 mos, India, 1. Spearheaded initiatives to foster practical knowledge among engineering students through engaging webinars and personalized sessions, aiming to bridge the gap between academia and industry. 2. Cultivated awareness and enthusiasm for practical learning methodologies, leveraging effective communication and collaborative skills. Engaged and impacted over 250 students, igniting their passion for hands-on learning and skill development.

Education

Bachelor of Technology - B.Tech, Mechanical Engineering, Bhagalpur College of Engineering

Full Stack Development, Computer Science, Bosscoder Academy

Public links

github: https://github.com/vaibhavkumarswe

leetcode: https://leetcode.com/vaibhavkumarswe

vaibhavkumar.in: https://vaibhavkumar.in/