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I am a Senior Full Stack Developer with 11+ years of experience building enterprise applications in Banking, Insurance and Retail. I specialize in the MERN stack, Next.js, React Native and TypeScript, crafting scalable, secure APIs and cloud-native backends. I enjoy delivering fast, reliable user experiences and collaborating with product and design teams to ship high-performance solutions. I design resilient systems with microservices, real-time streaming, and robust CI/CD pipelines, focusing on security, performance, and maintainability. I thrive in fully remote Agile teams and consistently push for clean code, thorough testing, and measurable business impact.…I am a Senior Full Stack Developer with 11+ years of experience building enterprise applications in Banking, Insurance and Retail. I specialize in the MERN stack, Next.js, React Native and TypeScript, crafting scalable, secure APIs and cloud-native backends. I enjoy delivering fast, reliable user experiences and collaborating with product and design teams to ship high-performance solutions. I design resilient systems with microservices, real-time streaming, and robust CI/CD pipelines, focusing on security, performance, and maintainability. I thrive in fully remote Agile teams and consistently push for clean code, thorough testing, and measurable business impact.

Phanindra Babu Upputuri

Full Stack Developer, Web Developer, Back-End Developer, +4

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I am a Senior Full Stack Developer with 11+ years of experience building enterprise applications in Banking, Insurance and Retail. I specialize in the MERN stack, Next.js, React Native and TypeScript, crafting scalable, secure APIs and cloud-native backends. I enjoy delivering fast, reliable user experiences and collaborating with product and design teams to ship high-performance solutions. I design resilient systems with microservices, real-time streaming, and robust CI/CD pipelines, focusing on security, performance, and maintainability. I thrive in fully remote Agile teams and consistently push for clean code, thorough testing, and measurable business impact.…I am a Senior Full Stack Developer with 11+ years of experience building enterprise applications in Banking, Insurance and Retail. I specialize in the MERN stack, Next.js, React Native and TypeScript, crafting scalable, secure APIs and cloud-native backends. I enjoy delivering fast, reliable user experiences and collaborating with product and design teams to ship high-performance solutions. I design resilient systems with microservices, real-time streaming, and robust CI/CD pipelines, focusing on security, performance, and maintainability. I thrive in fully remote Agile teams and consistently push for clean code, thorough testing, and measurable business impact.

Available to hire

I am a Senior Full Stack Developer with 11+ years of experience building enterprise applications in Banking, Insurance and Retail. I specialize in the MERN stack, Next.js, React Native and TypeScript, crafting scalable, secure APIs and cloud-native backends. I enjoy delivering fast, reliable user experiences and collaborating with product and design teams to ship high-performance solutions.

I design resilient systems with microservices, real-time streaming, and robust CI/CD pipelines, focusing on security, performance, and maintainability. I thrive in fully remote Agile teams and consistently push for clean code, thorough testing, and measurable business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Sr. React/Node.js Developer at Arvest Bank, Bentonville, Arkansas

October 1, 2023 - Present

Led development of scalable web applications using React 18.3.1, Node.js, Express.js, and Next.js with Server Components, SSR, and SSG to boost performance and SEO. Designed and maintained micro-frontend component libraries for cross-team reuse, migrated legacy systems to microservices, and integrated WebSockets for real-time data synchronization in authentication workflows. Built and optimized RESTful APIs, integrated GraphQL, Elasticsearch, and Neo4j for graph-based analytics, and implemented OAuth/JWT security. Documented APIs with Swagger UI, automated CI/CD with GitHub Actions and Jenkins, and extended backend services with NestJS and MongoDB/Mongoose. Implemented serverless and containerized deployments using Docker and Kubernetes (EKS), and contributed to data pipelines with Kafka and Cloud infrastructure on AWS/GCP.

Sr. React/Node.js Developer at Carefirst Inc., Baltimore, MD

September 1, 2023 - September 24, 2025

Proficient in MERN stack to build scalable APIs and dynamic UIs. Created secure CRUD APIs using Node.js, Express.js, NestJS, MongoDB, and Mongoose; leveraged Next.js for SSR and SEO. Implemented JWT/OAuth-based authentication, OpenAPI/Swagger for API documentation, and automated testing with Jest, Mocha, Chai, Cypress. Built cross-platform features with React Native, implemented real-time dashboards with GraphQL, and integrated Redis caching to improve response times. Containerized applications with Docker, deployed via CI/CD pipelines using GitHub Actions and Jenkins, and managed cloud resources on AWS/Azure.

MERN Developer at Radian Group, Philadelphia, PA

June 1, 2021 - September 24, 2025

Developed full-stack healthcare/finance-focused applications using the MERN stack, with server-side rendering via Next.js and performance optimizations. Built RESTful and GraphQL APIs, managed PostgreSQL and MongoDB schemas with Mongoose, and implemented Redis caching. Added real-time features with WebSockets, integrated with Kafka for event-driven data processing, and supported ML microservices in Python. Containerized services with Docker and orchestrated via Kubernetes; automated deployments with GitHub Actions/Jenkins; collaborated with data science teams on risk scoring and triage analytics.

Sr. Full Stack Developer at Burlington, Dallas, Texas

September 1, 2019 - September 24, 2025

Architected end-to-end MERN/MEAN stacks for vehicle inventory and customer management. Built microservices with Node.js and Express, leveraged Next.js for SSR, and implemented complex data visualizations with D3.js. Integrated Neo4j for relationship-based queries, used Hibernate ORM (Java) for legacy components, and deployed microservices with Docker/Kubernetes (EKS). Implemented JWT/OAuth security, RESTful APIs, and GraphQL for efficient data access; automated CI/CD with Jenkins and GitHub Actions; developed serverless components on AWS.

UI/UX Developer at People Tech, India

November 1, 2016 - September 24, 2025

Delivered frontend UI/UX for online platforms using HTML5, CSS3, JavaScript, jQuery, and SPA frameworks. Implemented Next.js-based dynamic rendering for faster page loads, built reusable UI components with React, Redux, and Vue.js, and collaborated with backend teams to ensure real-time data synchronization via RESTful APIs and WebSockets. Focused on responsive design, mobile-first approaches, and automated testing (Jest, Mocha, Selenium/Cypress). Managed AWS EC2 deployments and S3 storage for assets.

Sr. React/Node.js Developer at Arvest Bank

October 1, 2023 - Present

Built scalable web applications using React 18.x, Node.js 19, Express.js, and Next.js with Server Components, App Router, SSR, and SSG to improve performance and SEO. Designed and maintained a micro-frontend component library for seamless cross-team integration. Migrated legacy services to microservices and implemented WebSockets for real-time data synchronization in authentication workflows. Developed and optimized RESTful APIs, integrated GraphQL, Elasticsearch, and Neo4j for advanced querying, and implemented OAuth/JWT for API security. Documented APIs with Swagger/OpenAPI and automated builds with GitHub Actions and Jenkins. Implemented TypeScript for type safety and used NestJS for modular backend services. Built data-driven features with MongoDB + Mongoose; deployed containerized services on Kubernetes (EKS).

Sr. React/Node.js Developer at Carefirst inc.

September 1, 2023 - September 24, 2025

Developed secure CRUD APIs with Node.js, Express.js, and NestJS; implemented RESTful and GraphQL endpoints, with JWT/OAuth for authentication. Built cross-platform UIs using React 18.x, React Native, and Next.js for SSR and SEO optimization. Created healthcare workflows such as appointment scheduling and patient records management; integrated PostgreSQL, Redis caching, and Neo4j for analytics. Documented APIs via Swagger/OpenAPI, automated CI/CD using GitHub Actions and Jenkins, and containerized services with Docker. Collaborated with cross-functional teams in an Agile environment and ensured accessibility and security in a HIPAA-compliant domain.

MERN Developer at Radian Group

June 1, 2021 - September 24, 2025

Developed MERN stack applications with a focus on scalable APIs and real-time data features. Built microservices with NestJS, Docker, and Kubernetes (EKS), and managed data with PostgreSQL and MongoDB; enabled real-time data processing with GraphQL and Kafka. Created dashboards with React and D3.js; integrated Neo4j for graph-based analytics. Worked on server-side rendering with Next.js for performance, and deployed services via CI/CD pipelines using GitHub Actions and Jenkins. Collaborated with data science teams to deploy Flask-based ML microservices and built ML-enabled data processing pipelines.

Sr. Full Stack Developer at Burlington

September 1, 2019 - September 24, 2025

Developed end-to-end vehicle inventory management applications using the MERN stack; migrated monoliths to microservices using Docker and Kubernetes (EKS/AKS). Built React and React Native UIs with responsive, mobile-first design and implemented server-side rendering with Next.js. Created real-time inventory features via WebSockets and built predictive analytics dashboards with D3.js; integrated Neo4j for relationship queries; used Hibernate ORM in Java-based backends; implemented CI/CD with Jenkins and Terraform for deployment. Ensured secure APIs using OAuth2/JWT and integrated microservices with AWS Lambda and API Gateway.

UI/UX Developer at People Tech, India

November 1, 2016 - September 24, 2025

Designed and delivered UI/UX for web applications using HTML5, CSS3, and JavaScript with AngularJS, Vue.js, and React. Built reusable components and design systems, implemented Next.js for dynamic rendering, and conducted thorough testing with Jest and Mocha. Deployed on AWS EC2 and S3 for scalable hosting and asset storage, and collaborated in Agile teams to ensure timely feature delivery.

Sr. React/Node.js Developer at Arvest Bank

October 1, 2023 - Present

Led development of scalable web applications using React 18, Node.js, Express, and Next.js, implementing micro-frontends, SSR/SSG, and real-time data synchronization via WebSockets. Designed and maintained component libraries for cross-team reuse, migrated legacy systems to a microservices architecture, and integrated GraphQL, ElasticSearch, and Neo4j for advanced data queries and graph analytics. Implemented OAuth and JWT for API authentication, documented APIs with Swagger/OpenAPI, and automated build pipelines with GitHub Actions and Jenkins. Built data pipelines on GCP and AWS, containerized deployments with Docker, and orchestrated services on Kubernetes (EKS). Optimized GraphQL queries to improve response times and leveraged Material-UI for consistent UI components. Developed cross-platform mobile features with React Native and contributed Python-based microservices with Flask for rapid prototyping.

Sr. React/Node.js Developer at CareFirst Inc.

September 1, 2023 - September 24, 2025

Developed secure, scalable MERN stack web applications with Next.js SSR, RESTful and GraphQL APIs for patient records. Built secure CRUD APIs using Node/Express and MongoDB, with JWT/OAuth authentication and OpenAPI/Swagger documentation. Created responsive UIs with React 18/Redux/TypeScript and React Native, enabling cross-platform experiences. Implemented microservices with Flask/Django, containerized via Docker, and deployed on Kubernetes with CI/CD pipelines (GitHub Actions, Jenkins, Bamboo). Modeled PostgreSQL and Redis caching for performance, integrated third-party APIs (Twitter, YouTube), and enabled real-time features via WebSockets. Collaborated on cloud integrations with AWS/Azure and data workflows using Kafka and EventBridge.

MERN Developer at Radian Group

June 1, 2021 - September 24, 2025

Developed full-stack MERN applications, built RESTful and GraphQL APIs, and designed schemas for MongoDB/PostgreSQL. Implemented Next.js SSR for performance and SEO, and integrated Neo4j for graph-based data relationships. Built microservices with NestJS, Dockerized services, and deployed on Kubernetes (EKS). Implemented real-time capabilities with WebSockets and Kafka-based data pipelines, and orchestrated CI/CD with GitHub Actions/Jenkins. Created dashboards and data visualizations with D3.js, and leveraged Azure/AWS cloud services and Redis caching to optimize response times.

Sr. Full Stack Developer at Burlington

September 1, 2019 - September 24, 2025

Developed end-to-end MERN stack applications for vehicle inventory and customer data, architecting microservices for scalability. Built dynamic UIs with React/Redux and React Native, implemented real-time features with WebSockets and D3.js visualizations, and designed RESTful APIs with Node/Express and PostgreSQL. Migrated monolithic apps to Docker/Kubernetes, implemented Next.js SSR for SEO, and integrated GraphQL for efficient data retrieval. Used Neo4j for graph-based queries and Kafka for data streaming. Established CI/CD pipelines with Jenkins and GitHub Actions, deployed on AWS (EC2/S3), and implemented monitoring with CloudWatch. Documented APIs with Swagger/OpenAPI and maintained secure authentication with OAuth/JWT.

UI/UX Developer at People Tech

November 1, 2016 - September 24, 2025

Developed front-end interfaces using HTML5/CSS3/JavaScript, jQuery, Bootstrap, and a range of frameworks (AngularJS, Vue.js, React). Built responsive, mobile-first UIs with Next.js SSR and implemented CRUD functionality via RESTful APIs. Created reusable UI components, studied design systems, and collaborated with backend teams to ensure real-time data synchronization. Automated tasks with Grunt/Gulp, performed cross-browser testing, and deployed on AWS EC2 with secure asset storage on S3. Contributed to dynamic product and inventory UI features with TypeScript enhancements and data visualizations using D3.

Sr. React/Node.js Developer at Arvest Bank

October 1, 2023 - Present

Built scalable web applications using React 18, Node.js, Express.js, Next.js, and server-side rendering strategies. Designed and maintained component libraries for micro-frontends, migrated legacy systems to microservices, and integrated real-time data synchronization via WebSockets. Optimized API layers with GraphQL, Elasticsearch, and Neo4j; implemented OAuth/JWT security and Swagger/OpenAPI documentation; automated builds and deployments with GitHub Actions and AWS CDK.

Sr. React/Node.js Developer at Carefirst inc.

September 1, 2023 - September 24, 2025

Developed secure, scalable MERN stack applications, built responsive UIs with React and React Native, and implemented server-side rendering with Next.js. Created secure CRUD APIs using Node.js/Express.js/NestJS, integrated OpenAPI/Swagger for documentation, and containerized services with Docker and Kubernetes. Conducted extensive testing with Jest/Mocha/Cypress and built data schemas with PostgreSQL, MongoDB, and Redis caching; leveraged Kafka for data pipelines and implemented cloud-based deployments.

MERN Developer at Radian Group

June 1, 2021 - September 24, 2025

Developed full-stack financial applications using MERN stack and GraphQL, designed scalable microservices with NestJS, and integrated Neo4j for relationship-based data queries. Implemented real-time features with WebSockets, built predictive analytics and dashboards with D3.js, and deployed services via Docker/Kubernetes (EKS). Automated CI/CD with GitHub Actions and Jenkins, and managed data pipelines using Kafka and cloud services (AWS/Azure).

Sr. Full Stack Developer at Burlington

September 1, 2019 - September 24, 2025

Led end-to-end development of vehicle inventory and financial workflows using Node.js, Express.js, React, and MongoDB. Built real-time inventory synchronization with WebSockets, implemented server-side rendering with Next.js, and created data visualizations with D3.js. Migrated monolithic apps to microservices with Docker/Kubernetes (EKS), implemented RESTful and GraphQL APIs, and established CI/CD pipelines.

UI/UX Developer at People Tech, India

November 1, 2016 - September 24, 2025

Developed responsive UIs using HTML5/CSS3/JavaScript, jQuery, Bootstrap, and SCSS; integrated Next.js for dynamic rendering and improved SEO. Built and optimized CRUD operations with AngularJS/Node.js, introduced Vue.js components for real-time UI improvements, and contributed to server-side rendering and cloud deployment. Participated in Agile processes and implemented automated testing with Jest, Mocha, and Selenium.

Sr. React/Node.js Developer at Arvest Bank

October 1, 2023 - Present

Responsibilities include building scalable web applications with React 18.3.1, Node.js 19, Express.js, and Next.js, leveraging Server Components, App Router, SSR, and SSG to enhance performance, SEO, and user experience. Designed and maintained component libraries for micro-frontends, migrated legacy systems to a microservices architecture, integrated WebSockets for real-time data sync, developed RESTful APIs, graph queries with GraphQL/Elasticsearch/Neo4j, implemented OAuth/JWT security, documented APIs with Swagger/OpenAPI, and automated testing with Postman/Jenkins. Utilized TypeScript, NestJS, MongoDB/Mongoose, and built cross-platform mobile apps with React Native. Automated build pipelines with Grunt/Gulp; containerized with Docker; deployed on Kubernetes (EKS). Built data pipelines with GCP (Cloud Functions, Pub/Sub, BigQuery) and AWS (Glue, Athena). Integrated Kafka for messaging and optimized GraphQL queries, improving performance by ~30%. Used Material-UI and Mercury.js for U

Sr. React/Node.js Developer at Carefirst Inc.

September 1, 2023 - September 24, 2025

Proficient in the MERN stack for developing scalable APIs, dynamic UIs, and real-time features. Built responsive UIs with React 18.x, React Native, Redux, TypeScript, React Router, and Material-UI with reusable components and custom hooks. Developed cross-platform appointment booking apps with real-time calendar sync. Used Next.js for SSR/SEO; optimized dashboards with Webpack code-splitting and Lodash. Created secure CRUD APIs with Node.js/Express.js/NestJS, MongoDB/Mongoose, and JWT-based authentication. Developed RESTful and GraphQL APIs for patient records; OpenAPI/Swagger UI for docs. Backend services with Flask and Django; automated frontend tasks with Grunt/Gulp; testing with Jest/Mocha/Cypress/Enzyme. Validated REST APIs with Postman. Integrated Twitter/YouTube APIs. Designed PostgreSQL and MongoDB schemas; Redis caching; Neo4j for relationships. Built ETL pipelines with Apache Kafka; serverless/event-driven workflows with AWS/Azure. Dockerized/microservices with Kubernetes (EK

MERN Developer at Radian Group

June 1, 2021 - September 24, 2025

Developed full-stack MERN applications with scalable CRUD operations; built dashboards and microservices with NestJS; containerized with Docker and orchestrated via Kubernetes (EKS/AKS). Migrated monolithic banking apps to microservices; built React Native mobile features; Next.js for SSR; data visualizations with D3.js. Integrated Neo4j for graph relationships and used GraphQL for data access. Built predictive analytics dashboards and integrated Azure Blob Storage/Azure Functions; Kafka with Spring Boot; CI/CD with Jenkins and GitHub Actions; monitoring with Azure Monitor. Implemented OAuth2/JWT, code-splitting, and performance optimizations.

Sr. Full Stack Developer at Burlington

September 1, 2019 - September 24, 2025

Developed end-to-end MERN applications; architected scalable inventory management workflows; migrated to microservices. Built Node.js backends, React-based UIs, and React Native mobile features. Implemented real-time inventory with WebSockets, RESTful APIs, and GraphQL for efficient data access. Integrated Neo4j for relationship queries; Hibernate ORM in Java-based services; Next.js for SSR; server-side rendering for SEO improvements. Deployed with Docker and Kubernetes (EKS), implemented OAuth2/JWT security, performed code-splitting and lazy loading with Webpack, and built centralized logging with AWS CloudWatch/ELK. Collaborated in Agile teams and delivered features via CI/CD pipelines (Jenkins, GitHub Actions).

UI/UX Developer at People Tech

November 1, 2016 - September 24, 2025

Developed UI/UX using HTML5, CSS3, JavaScript; utilized jQuery/Bootstrap with responsive design. Implemented Swagger UI for API docs, enhanced performance with TypeScript, and applied mobile-first design. Built CRUD operations for product inventory with AngularJS and Node.js; real-time updates with Vue.js and Next.js for dynamic content. Implemented automated testing (Jest, Mocha) and deployed on AWS EC2/S3; contributed to responsive UI components, real-time inventory synchronization, and cross-browser compatibility. Integrated Next.js for dynamic rendering and SEO improvements.

Sr. React/Node.js Developer at Arvest Bank

October 1, 2023 - Present

Led development of scalable web applications using React 18.x, Node.js 19, Express.js, and Next.js, leveraging Server Components, App Router, SSR, and SSG to enhance performance, SEO, and user experience. Designed and maintained component libraries for micro-frontends, enabling seamless integration and reducing cross-team dependencies. Migrated legacy systems to a microservices architecture, optimizing backend services in Node.js and integrating WebSockets for real-time data synchronization in authentication workflows. Built and optimized RESTful APIs, integrated GraphQL, Elasticsearch, and Neo4j for real-time queries and graph analytics. Implemented security via OAuth and JWT; documented APIs with Swagger/OpenAPI; automated testing and CI with Postman and Jenkins. Used TypeScript for type safety and NestJS for modular backend design. Implemented MongoDB with Mongoose, and built real-time data features across platforms. Created cross-platform mobile apps with React Native; automated bu

Sr. React/Node.js Developer at Carefirst inc.

September 30, 2023 - September 24, 2025

Proficient MERN stack developer delivering secure, scalable web applications. Built responsive UIs with React 18.x, React Native, Redux, TypeScript, and Material UI; implemented Next.js for SSR and SEO optimization; created secure CRUD APIs using Node.js, Express.js, and NestJS with MongoDB/Mongoose; implemented JWT-based authentication and custom middleware. Designed RESTful and GraphQL APIs to manage patient records; documented using OpenAPI/Swagger UI. Built back-ends with Flask and Django for lightweight services; automated tasks with Grunt/Gulp; managed dependencies with NPM. Integrated third-party APIs for social features; designed PostgreSQL and MongoDB schemas; implemented Redis caching; connected Neo4j for graph-based patient analytics. Built data pipelines with Kafka and integrated event-driven workflows with AWS EventBridge, SQS, SNS; containerized with Docker and deployed via Kubernetes (EKS). Implemented CI/CD with GitHub Actions, Jenkins, Bamboo, Terraform; orchestrated c

MERN Developer at Radian Group

June 30, 2021 - September 24, 2025

Developed MERN stack applications and microservices for financial systems; built scalable RESTful and GraphQL APIs; merged NestJS microservices with Spring Boot/Hibernate for hybrid architectures. Containerized services with Docker and orchestrated via Kubernetes (EKS/AKS). Deployed on AWS/Azure and leveraged CI/CD (GitHub Actions, Jenkins) for rapid deployments. Implemented Neo4j graph databases for relationship-based queries; integrated Kafka for real-time event processing; used OpenAPI/Swagger for API documentation. Designed data pipelines with Apache Kafka, AWS Glue, Athena, and GCP BigQuery for analytics. Worked with PostgreSQL, MongoDB, and Redis caches; implemented serverless components with AWS Lambda, Pub/Sub; utilized cloud-native storage (S3, Azure Blob) and API Gateways. Collaborated with data science teams on Flask-based ML microservices for risk scoring and triage predictions; optimized GraphQL queries for performance.

Sr. Full Stack Developer at Burlington

September 30, 2019 - September 24, 2025

Developed end-to-end MERN stack applications (MongoDB, Express.js, React.js, Node.js) with scalable CRUD operations and real-time data synchronization via WebSockets. Built dashboards with Next.js and D3.js; migrated to microservices using Docker and Kubernetes (EKS/AKS) for auto-scaling. Created reusable UI components and design systems with React, Redux, and Storybook; integrated Vue.js for dynamic interfaces; used GraphQL for efficient data retrieval and PostgreSQL, MongoDB for storage. Implemented server-side rendering with Next.js; implemented CI/CD with Jenkins and GitHub Actions; containerized with Docker and deployed on AWS EC2/EKS. Implemented OAuth 2.0/JWT for secure authentication; built real-time inventory management system with WebSockets and MongoDB; integrated Neo4j for relationship-based queries; built admin panels; logging via AWS CloudWatch/ELK; used Kafka for real-time data pipelines. Worked in Agile environments.

UI/UX Developer at People Tech

November 30, 2016 - September 24, 2025

Developed and maintained user interfaces with HTML5, CSS3, and JavaScript; ensured cross-browser compatibility and responsive design. Built interactive UI elements using jQuery, Bootstrap, and CSS animations; leveraged TypeScript to improve maintainability. Implemented mobile-first design with Bootstrap and SCSS; developed dynamic UI components with JavaScript and real-time data synchronization using RESTful APIs. Added Vue.js components for real-time updates; used Next.js for dynamic rendering and SSR to improve speed and SEO. Implemented automated testing with Jest and Mocha; deployed on AWS EC2 with S3 for assets; collaborated with backend teams for seamless API integration. Employed Kubernetes (EKS) for auto-scaling and maintained CI/CD pipelines with Jenkins, Git, and Docker.

Senior Full Stack Developer at ARVEST BANK

October 1, 2023 - October 28, 2025

Designed and developed scalable full-stack applications using React 18.3, Next.js, React Native and TypeScript; built RESTful and GraphQL APIs with Node.js, Express.js and NestJS; implemented Swagger/OpenAPI for API documentation; designed and maintained databases (MongoDB, Neo4j, ElasticSearch, PostgreSQL); implemented microservices with Node.js, NestJS, Flask and Python; developed real-time data streaming using WebSockets, Kafka and GCP Pub/Sub; deployed serverless functions with AWS Lambda and GCP Cloud Functions; automated ETL/analytics with AWS Glue and Athena; containerized with Docker and Kubernetes (EKS); configured CI/CD with GitHub Actions and Jenkins; cloud-native infrastructure with AWS CDK; implemented TDD and automated testing with Jest, Mocha, Chai, Enzyme and Cypress.

Senior Full Stack Developer at CAREFIRST INC.

September 1, 2023 - September 1, 2023

Built interactive React UIs with 18.2, Redux and React Native; implemented cross‑platform appointment booking with real‑time calendar sync and push notifications; leveraged Next.js for SSR/SEO; designed secure RESTful and GraphQL APIs with Node.js, Express.js and NestJS; backend services using Flask and Django; optimized PostgreSQL and MongoDB schemas with Redis caching; authored OpenAPI/Swagger documentation; implemented Kafka-based ETL and event-driven workflows with AWS EventBridge, SNS/SQS and Azure Event Grid; containerized with Docker and Kubernetes (EKS); automated CI/CD with GitHub Actions, Jenkins, Bamboo and Terraform; HIPAA-compliant API delivery; automated testing with Jest, Mocha, Cypress and Enzyme.

Senior Full Stack Developer at RADIAN GROUP

June 1, 2021 - June 1, 2021

Developed scalable banking applications using MERN stack; engineered NestJS microservices and integrated them with Spring Boot & Hibernate; migrated monoliths to AKS-based microservices; delivered cross‑platform mobile features with React Native; implemented server-side rendering with Next.js; built data visualizations with React & D3.js; implemented GraphQL to optimize data delivery; leveraged Neo4j for relationship analytics and fraud insights; real-time streaming with Apache Kafka and Spring Boot; authored Swagger/OpenAPI docs and Postman collections; automated CI/CD with Jenkins and GitHub Actions; monitoring with Azure Monitor and ELK Stack.

Full Stack Developer at BURLINGTON

September 1, 2019 - September 1, 2019

Developed end-to-end MERN stack applications (Node.js, Express.js, React.js, MongoDB) with Next.js SSR and D3.js visualizations; architected scalable inventory/workflow microservices; implemented RESTful APIs and GraphQL endpoints; real-time inventory updates via WebSockets; implemented OAuth2/JWT authentication; built admin dashboards; deployed serverless components with AWS Lambda and API Gateway; hosted on AWS EC2/EKS; integrated Kafka for asynchronous messaging and Neo4j for relationship queries; automated CI/CD with Jenkins and GitHub Actions; logging/monitoring with AWS CloudWatch and ELK Stack.

Frontend Developer at PEOPLE TECH, INDIA

November 1, 2016 - November 1, 2016

Delivered responsive UIs with HTML5, CSS3, JavaScript, TypeScript; worked with jQuery, Bootstrap, Vue.js and AngularJS; built real-time features with WebSockets; implemented API documentation via Swagger/OpenAPI; optimized performance with Webpack code-splitting and SSR; developed secure auth flows using OAuth2 & JWT; created internal dashboards and admin panels; deployed on AWS with CI/CD pipelines; collaborated in Agile/SCRUM environments.