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Manoj Kumar

@manojkumar42

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Senior Front-End Developer building high-performance Angular and React enterprise apps.

India

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What I'm looking for

I’m looking for a role where I can build secure, high-performance enterprise front ends in Agile teams—using Angular/Next.js, SSR/SEO, and robust payment + REST API integrations—while contributing to architecture and performance optimization.

I’m a Senior Front-End Developer with 9.5+ years of experience building scalable, high-performance enterprise applications. I focus on modern frontend architecture and delivering secure, user-centric experiences across healthcare and educational platforms.

Over the years, I’ve built reusable UI components and improved performance through lazy loading, code splitting, SSR, and SEO optimization (including Lighthouse performance tuning). I leverage Angular Signals, RxJS, Standalone Components, NgRx/Redux, and Context API to deliver responsive, well-structured state management.

I also integrate REST APIs with JWT authentication and secure HTTP interceptors, and I’ve led payment gateway integrations using Stripe, PayPal, and Razorpay. From checkout and subscription handling to payment verification, webhooks, and transaction management, I collaborate closely with backend teams and cross-functional Agile teams to ship reliably.

Experience

Work history, roles, and key accomplishments

Senior Frontend Developer

Source Of Life Technologies Pvt. Ltd.

Dec 2019 - May 2026 (6 years 5 months)

Architected scalable enterprise Angular (13–21) applications with TypeScript, reusable components, lazy loading, and server-side rendering (SSR). Integrated REST APIs with JWT authentication and built secure payment workflows for Stripe, PayPal, and Razorpay, including checkout, subscriptions, verification, and webhook handling.

Angular TypeScript REST APIs JWT Stripe PayPal Razorpay Performance Optimization

UI Frontend Developer

Asearchonline Media Pvt. Ltd.

Oct 2018 - Nov 2019 (1 year 1 month)

Built responsive, SEO-friendly web platforms using HTML5, CSS3, Bootstrap, and JavaScript, implementing dynamic client-side interactions with jQuery and AJAX. Collaborated with designers and backend developers to deliver user-centric solutions.

HTML5 CSS3 JavaScript jQuery AJAX Responsive Web Design SEO Optimization Cross Functional Collaboration

Frontend Developer

Gingerpan Swapcart Pvt. Ltd.

Oct 2016 - Sep 2018 (1 year 11 months)

Developed and maintained React.js salon booking applications and CRM systems, including dynamic forms and business logic functionalities. Enhanced UI responsiveness and ensured cross-browser compatibility across supported browsers.

React JavaScript CRM Systems Browser compatibility Business Logic Implementation