Gagan Bhullar

Designed microservices in Java 11 and Node.JS with UI frameworks such as React and Vue.JS. Worked on enterprise projects such as ticketing management system and developing MFA for enterprise apps. Developed video communication app using WebRTC. Used Azure cloud provider to deploy and manage the applications. Used Azure services such as Virtual networks, Virtual machines, Storage accounts (File storage and blob storage), Azure Bastion and load balancers. Used Azure DevOps services such as boards, pipelines and repos. Used Apache Kafka to ingest and process real-time data. Used GRPC for communication between microservices. Used micro-frontend architecture with React to design UI and Tailwind.css to create UI. Worked with react testing library and Jest for TDD development. Worked with Project Reactor with Java for reactive programming. Used Gradle and Webpack as build tools.

Design and develop microservices in Node.JS and Java with UI in React. Worked with AWS step functions, lambda, API gateway to design processing pipelines. Involved in creating devops pipelines using Gitlab and terraform. Created an end to end app in Rust from scratch. Created iOS app using Swift UI and end to end deployment pipeline using fastlane. Built push notification capability in iOS app using Firebase. Used Github actions to deploy applications to Azure. Worked with LLMs using LLamaIndex and RAG technique. Used CircleCI for CI/CD pipelines. Worked extensively with Azure services such as Azure function apps, Azure cognitive services, AppConfig, Azure web apps etc.

Involved in the architecture and development of video-based product. Handled complex requirements and developed end-to-end flows. Developed a RESTful and GraphQL API with microservices architecture in Node.js, improving scalability and reducing latency. Developed a modular, single-page web application in React.js that incorporated responsive design principles. Worked with developing neural networks using PyTorch and LLM models such as OpenAI and Langchain. Used blockchain to store user content to improve privacy. Developed smart contracts in Solidity and deployed on Ethereum and Theta blockchains. Developed migration scripts to migrate data from the legacy environment using Python. Used MongoDB to store user profile data. Used Google Pub/Sub to ingest and process real-time messages. Used serverless framework to create video converter and other functionalities. Used AWS services such as S3, Cloudfront, Lambda, API gateway, AWS Rekognition, AWS cognito, IAM etc. Created devops pipelines