Himanshu Sojitra

Leading frontend development for a large-scale e-commerce platform for a US-based retailer using Next.js, React, Redux Toolkit, and Tailwind CSS. Building and maintaining responsive, high-performance user interfaces with a focus on scalability, accessibility, and user experience. Implementing state management solutions using Redux Toolkit and optimizing application performance across key customer journeys. Collaborating with product managers, designers, and backend engineers to deliver new features and enhancements. Leading and mentoring an offshore frontend team of 3 engineers, providing technical guidance, conducting code reviews, and supporting professional development. Managing sprint planning, task allocation, and project delivery to ensure high-quality and timely releases. Driving frontend best practices, code quality standards, and reusable component-based architecture across the team.

Improved Interaction to Next Paint (INP) by 42% by memoizing expensive computations and eliminating redundant JSON.parse calls across event handlers and lifecycle hooks, significantly reducing main-thread blocking and improving UI responsiveness. Strengthened application type safety by introducing strict TypeScript typings for component props, state, and Redux store eliminating ~130 "any" occurrences and improving long-term code robustness. Developed a browser-based video editor powered by FFmpeg WebAssembly and HTML5 Canvas, delivering real-time text and image overlay capabilities without server-side processing. Implemented an application-wide Activity Tracker using React Context API and custom data attributes to monitor and capture user interactions across the app. Eliminated technical debt by updating deprecated npm dependencies and removing unused packages, improving build stability and reducing potential security vulnerabilities.

Developed web based email client using Preact (lightweight alternative to React), React Redux, Apollo Client, Less CSS. Reduced end-to-end test suite runtime by 35% by leading migration of 120+ desktop tests from the deprecated Spectron framework to Playwright, unblocking CI/CD pipeline reliability for the team. Drove WCAG AA accessibility compliance across 25+ UI components, directly contributing to expanded enterprise customer adoption by meeting contractual accessibility requirements. Reviewed 60% pull requests per sprint and created documentation to help devs avoid repetitive comments which resulted in reduction of review comments by 8%. Engineered a real-time attendee availability feature for the calendar module, surfacing statuses and location data to meeting organizers, reducing scheduling friction for thousands of enterprise users. Engineered an intuitive drag-and-drop calendar rescheduling feature used by thousands of enterprise users, handling edge cases including timezone normalization, recurring event conflicts, and optimistic UI updates for low-latency feedback.

Led front-end development of a subscription management platform for a multinational legal services client, enabling users to purchase and renew product licenses across 3+ tiers, built with React, TypeScript, and Styled Components with a Storybook-driven component library. Expanded unit test coverage by 10% by authoring and refactoring 15+ tests using Jest and Enzyme, improving regression detection for the subscription management module. Developed a Moderated Chat application for clients internal use using: Angular, AngularFire, Bulma. Built and maintained UDI scanner app for a MNC client in the healthcare domain. It allows service engineers to keep track of serviced Magnetic Resonance Imaging machines using Backbone, jQuery, JavaScript, CSS.

Built user interface for a retail analytics software using AngularJS, Restangular, Bootstrap, JavaScript, CSS.

Built front end components for a HR software and developed APIs to communicate with Google App Engine datastore using JavaScript, Python, jQuery, CSS, HTML. Modernized a legacy jQuery front-end codebase to AngularJS, reducing DOM manipulation complexity and improving maintainability for a team of 5+ engineers.