Headline

SDE(Frontend) @Simpplr | ex-Razorpay

About

Hello! I am Rohan Mondal, a result-driven Front-end Engineer with nearly 4 years of experience in building scalable dashboards, reusable component libraries, and low-code/no-code integrations. My passion lies in driving innovation and platform excellence, and I am currently seeking advanced roles where I can leverage my skills to make a significant impact. I have a strong foundation in front-end development, particularly with frameworks like React and TypeScript, and I thrive in Agile environments. Throughout my career, I have demonstrated a proven track record in leading end-to-end feature ownership, debugging complex issues, and mentoring teams. I take pride in delivering high-quality systems with 85-90% test coverage, ensuring defensive engineering practices, and improving platform reliability. My hands-on experience in AI-assisted development and accessibility improvements has equipped me to create inclusive and future-ready solutions. Key Achievements: - Received the Best Team Award for the App-Tiles → New Home Experience delivery. - Earned multiple peer recognitions for excellence in front-end development and impactful milestone delivery. - Successfully architected state management foundations and led the implementation of no-code/low-code integrations, significantly reducing integration timelines and enhancing product adoption.

Location

Bengaluru

AI stack

claude code

claude

codex

cursor

opencode

claudecode

Work experience

Software Development Engineer(Frontend) at Simpplr, Jun 2023 - Present · 3 y 5 mo, Gurgaon, Working as a Software Development Engineer at Simpplr, contributing to core enterprise SaaS products used by global organizations, with a focus on frontend architecture, performance optimization, and scalable web applications. **Key Contributions & Achievements:** - **Core Product Architecture:** Co-architected Simpplr's new employee Home dashboard, owning key frontend decisions involving Zustand state management, API payload structures, customizable layouts, and dashboard editing workflows. - **Dashboard Performance:** Improved Grafana-reported page load time by ~23% (11.7s to 9s) through lazy loading of 20+ widget types, code splitting, separating rendering and editing dependencies, and selective icon imports. - **Mobile Performance Engineering:** Optimized third-party application widgets running inside native iOS/Android WebViews, reducing JavaScript bundle size by 81.3% (69.38 MB to 12.96 MB) and bringing observed loading time from over 12 seconds to under 4 seconds, without native application changes. - **Integration Platform:** Owned key frontend workflows of an extensible third-party integration platform, enabling users to connect external applications, configure API actions, and build customizable dashboard widgets using a schema-driven drag-and-drop builder powered by React, TypeScript, and Craft.js. - **Advanced Frontend Engineering:** Worked on Web Worker optimization, complex form validation, accessibility improvements, timezone-aware calendar experiences, and concurrency-safe dashboard editing. - **AI-Assisted Engineering:** Established reusable architectural context for Cursor and Codex, helping AI coding agents account for cross-application dependencies, web/mobile compatibility, and platform-specific edge cases. **Recognition:** Best Team Award for App Tiles → New Home contributions. **Tech Stack:** React.js, TypeScript, JavaScript, Zustand, React Query, React Hook Form, Craft.js, Webpack, Vite, Radix UI, shadcn/ui, Jest, React Testing Library, Grafana, Lighthouse, Cursor, and Codex.

Software Development Engineer (Frontend) at Razorpay, Jun 2022 - Jun 2023 · 1 y, Gurugram, Haryana, India, **Razorpay — Frontend Engineer** June 2022 – June 2023 Worked on Razorpay Capital, building frontend applications for lending and credit products using React, TypeScript, and JavaScript. Focused on end-to-end product development, internal operations platforms, and improving application reliability. **Key Contributions & Achievements:** - **End-to-End Product Development:** Developed frontend workflows for Razorpay Capital's loan and credit-card products, covering loan applications, customer onboarding, and loan disbursement journeys. - **Internal Operations Platform:** Built an operations dashboard for internal teams, supporting customer management, role-based access control, application listings, and lending operations. - **API Integration:** Collaborated with backend engineers to integrate APIs for loan applications, customer data, application status, and disbursement workflows. - **Engineering Quality:** Improved frontend automated test coverage by adding unit and integration tests, strengthening application reliability and maintainability. - **Cross-Functional Collaboration:** Worked closely with product managers, designers, and backend engineers to deliver new features, improve user experiences, and resolve production issues. **Tech Stack:** React.js, TypeScript, JavaScript, REST APIs, Jest, React Testing Library.

Intern at Indraprastha Institute of Information Technology, Delhi, Jun 2019 - Jul 2019 · 2 mos, Greater Delhi Area, Had the opportunity to learn ML methodologies with Python

Education

Bachelor of Technology - BTech, Computer Science, Presidency University, Bangalore