Diljit VJ

Principal / Staff Frontend Engineer • AI Developer Tools • 12+ yrs
LinkedIn Github
diljitvj@gmail.com
+91-9663186565
Bengaluru

Professional Summary

Principal/Staff-level Frontend Engineer with 12+ years building complex web platforms and developer-facing tools. Strong track record shipping AI-powered product experiences (multi-turn chat, grounding/citations, evaluation loops), and leading frontend architecture across performance, reliability, and UX at scale.

Technologies

Languages: JavaScript (ES6+), TypeScript, Java, HTML5, CSS3
Frontend: React, Next.js, Angular, Vue
Web Platform: Performance profiling, Web APIs, Service Workers/PWA, Accessibility (WCAG)
Build & Quality: Webpack, Rollup, Testing frameworks, CI/CD pipelines
AI: OpenAI, Anthropic, LangChain; RAG patterns, prompt evaluation/iteration, production AI UX
Backend: Node.js, GraphQL, REST, Java
Data: PostgreSQL, MongoDB, MySQL
Observability: PostHog, SigNoz, OpenTelemetry

Work History

Frontend Lead, Eudia
2025 - Present
  • Led frontend architecture for an enterprise AI contract platform spanning Web and Microsoft Word add-in environments, aligning product, platform, and security on shared foundations.
  • Delivered the “Single Plugin” consolidation: one organisation-aware Word add-in with secure authentication, organisation switching, and parallel multi-org sessions.
  • Built reusable AI Q&A foundations (multi-turn conversations, shared conversation state/history, response pagination) adopted across Insights, Sigma, and M&A to reduce duplication and improve consistency.
  • Established production-grade frontend observability across Web + Word runtimes (error tracking, logs, distributed tracing) to speed up incident triage and improve reliability.
  • Owned stabilisation of authentication/session behaviour across desktop Word and Word Web App, addressing cross-environment edge cases impacting enterprise users.
Staff Engineer, Appsmith
2023 - 2025
  • Led high-impact initiatives across AI and performance as a Staff Engineer, setting technical direction for developer-facing product experiences.
  • Pioneered the Appsmith AI Assistant, improving builder velocity by 35%+ via natural-language generation of bindings/queries/functions; built prompt evaluation layers and quality iteration loops.
  • Built in-house AI capabilities including RAG-style retrieval with PostgreSQL-based vector storage, OCR pipelines, and entity extraction to convert unstructured input into actionable behaviour.
  • Drove a multi-phase frontend performance revamp, reducing paint metrics by 70%+ through intelligent asset chunking, caching, and critical render path optimisation.
Lead Engineer, Drip Capital
2022 to 2023
  • Led a team of 6 engineers delivering low-latency, high-availability products across Next.js/React/Vue and React Native.
  • Owned end-to-end architecture and delivery of OAuth-based authentication for a core web application.
  • Built a 0→1 server-side rendered Next.js application and CI/CD workflows (lint/test/build/deploy) using GitHub Actions.
  • Shipped reusable platform components: published a UI component library (Rollup) and built a Node.js + Puppeteer service to automate real-time shipping updates from carrier portals/APIs.
Senior Frontend Engineer, Locus.sh
2020 to 2021
  • Developed a large scale geo-spatial visualization of a supply chain network using React JS and Deck.gl with non-render blocking scripts to efficiently process large data sets on the front end.
  • Led technical design and architecture of splitting monolith frontend to micro-frontends using Webpack module federation
  • Led the rewrite and refactor of legacy React 15 class based components to React 17 hooks and functional components
Lead Engineer, Springboard
2019 - 2020
  • Led the E2E architecture and development of content management platform using Gatsby, ReactJS, Google App Engine, and Storyblok, allowing the marketing team to easily edit, save, and deploy marketing websites using a headless CMS
  • Integrated Gatsby with the chosen headless CMS (Storyblok) and developed a deployment pipeline that can be triggered from the CMS and hosted via Google App Engine.
Technical Lead, Y Media labs
2019
  • Led the E2E architecture and development of desktop application for peer-to-peer communication on the same WiFi network using Electron JS, React JS, and Node JS and social media application using ReactJS
  • Optimized architecture and API integrations improving page load speed by 75% and response times by 50%.
Software Developer Engineer 2, Pikkol
2018 - 2019
  • Built Customer Delight CRM and B2B vendor marketplace web application using React, Node JS, GraphQL, Apollo, and MySQL in a full stack developer capacity
  • Worked on the conceptualization and schema design for the application, including the creation of a backend API and a UNIX-based authorization system
  • Enhanced the application with features such as ticket creation, status tracking and resolution tracking
Senior Software Engineer, Rentongo
2017
  • Developed Web UI and Mobile app for inventory and vendor management software for Rentongo a rental marketplace using Angular 5, Typescript, Ionic, and Sass and Angular CLI as a task runner
  • Implemented Progressive Web App concepts like service workers, push notifications and responsive design
  • Optimized performance and responsiveness of existing Rentongo websites using PHP and JavaScript improving page load speed by 45% that increased page views by 782%
  • Assisted with the continuous upgrade and maintenance of Rentongo web application by adding new features and enhancements.
UI Developer, Finovera
2016 - 2017
  • Developed the Web UI and Finovera app for iOS and Android using Framework: Cordova/Phonegap, Kendo UI Mobile, jQuery, JavaScript ES6, HTML, Less, Build tool: Gulp and Bower as task runners.
  • Designed and integrated a bill payment module and push notification modules for Web, iOS and Android
  • Implemented cross-device and phone OS version compatibility for the mobile client code
Freelance Web Developer
2014 - 2016
  • Developed and maintained web and mobile application (android and iOS) for helicopter booking system for Helitaxii and Thumby Aviation using vanilla JavaScript, Node.js, MongoDB
  • Implemented a payment gateway integration using Razorpay
Piping Engineer, EIL
2009 - 2013
  • Worked as a Piping Engineer responsible for design and layout of Compressor Unit and Heat Exchangers in Ethylene Cracker unit for Brahmaputra Cracker and Polymer Limited

Education