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I am an experienced software developer with over 12 years specializing in MERN and MEAN stack technologies. I have deep expertise in JavaScript frameworks including React.js, Angular.js, Node.js, and Express.js, and a strong focus on building scalable, high-performance web applications. I enjoy crafting modular and reusable components and leveraging modern development best practices to deliver maintainable and efficient software. Throughout my career, I have worked extensively with both frontend and backend technologies, cloud platforms such as AWS, Azure, and GCP, and have integrated a variety of services including GraphQL APIs, RESTful endpoints, and real-time data pipelines. I take pride in continuously improving code quality and collaborating with cross-functional teams to align technology solutions with business goals.…I am an experienced software developer with over 12 years specializing in MERN and MEAN stack technologies. I have deep expertise in JavaScript frameworks including React.js, Angular.js, Node.js, and Express.js, and a strong focus on building scalable, high-performance web applications. I enjoy crafting modular and reusable components and leveraging modern development best practices to deliver maintainable and efficient software. Throughout my career, I have worked extensively with both frontend and backend technologies, cloud platforms such as AWS, Azure, and GCP, and have integrated a variety of services including GraphQL APIs, RESTful endpoints, and real-time data pipelines. I take pride in continuously improving code quality and collaborating with cross-functional teams to align technology solutions with business goals.

Sai Teja Mallineni

Web Developer, Programmer, Full Stack Developer, +3

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I am an experienced software developer with over 12 years specializing in MERN and MEAN stack technologies. I have deep expertise in JavaScript frameworks including React.js, Angular.js, Node.js, and Express.js, and a strong focus on building scalable, high-performance web applications. I enjoy crafting modular and reusable components and leveraging modern development best practices to deliver maintainable and efficient software. Throughout my career, I have worked extensively with both frontend and backend technologies, cloud platforms such as AWS, Azure, and GCP, and have integrated a variety of services including GraphQL APIs, RESTful endpoints, and real-time data pipelines. I take pride in continuously improving code quality and collaborating with cross-functional teams to align technology solutions with business goals.…I am an experienced software developer with over 12 years specializing in MERN and MEAN stack technologies. I have deep expertise in JavaScript frameworks including React.js, Angular.js, Node.js, and Express.js, and a strong focus on building scalable, high-performance web applications. I enjoy crafting modular and reusable components and leveraging modern development best practices to deliver maintainable and efficient software. Throughout my career, I have worked extensively with both frontend and backend technologies, cloud platforms such as AWS, Azure, and GCP, and have integrated a variety of services including GraphQL APIs, RESTful endpoints, and real-time data pipelines. I take pride in continuously improving code quality and collaborating with cross-functional teams to align technology solutions with business goals.

Available to hire

I am an experienced software developer with over 12 years specializing in MERN and MEAN stack technologies. I have deep expertise in JavaScript frameworks including React.js, Angular.js, Node.js, and Express.js, and a strong focus on building scalable, high-performance web applications. I enjoy crafting modular and reusable components and leveraging modern development best practices to deliver maintainable and efficient software.

Throughout my career, I have worked extensively with both frontend and backend technologies, cloud platforms such as AWS, Azure, and GCP, and have integrated a variety of services including GraphQL APIs, RESTful endpoints, and real-time data pipelines. I take pride in continuously improving code quality and collaborating with cross-functional teams to align technology solutions with business goals.

Skills

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Expert

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Intermediate

Work Experience

Senior ReactJS Developer at Charter Communications

February 1, 2025 - Present

Developed modular and reusable ReactJS components using Material-UI for scalable, accessible UI. Managed state with Redux and React Context, optimized performance with lazy loading and memoization. Integrated RESTful and GraphQL APIs, worked with PostgreSQL and Redis caching for high-speed operations. Implemented secure SSO authentication and conducted comprehensive testing with Jest, React Testing Library, and Cypress. Collaborated with DevOps on CI/CD pipelines and participated in sprint planning and code reviews.

Senior ReactJS/NodeJS Developer at Webster Bank

January 31, 2025 - September 2, 2025

Built full-stack MERN applications with TypeScript, Redux, and Flux, creating reusable components and custom hooks. Developed backend RESTful APIs and GraphQL services with Node.js, Express, MongoDB, and PostgreSQL. Worked extensively with Azure CosmosDB, Kafka, Nest.js, and integrated Power BI dashboards. Employed OAuth, JWT, and OKTA for authentication, and containerized applications with Docker and Kubernetes. Implemented CI/CD using Jenkins, Azure DevOps, and Bamboo alongside comprehensive automated testing.

NodeJS Developer/React Developer at Texas Health Resources

March 31, 2023 - September 2, 2025

Developed REST APIs using Node.js and Express.js, implemented JWT authentication integrated with AWS. Migrated React Class Components to Functional Components with hooks and optimized performance with Next.js server-side rendering. Created reusable components using Redux, Redux Saga, and Redux Thunk. Developed backend services integrating AWS Lambda, EC2, S3, Athena, Glue, and Nest.js. Conducted extensive testing with Jest, Mocha, and Cypress. Managed cloud infrastructure and collaborated in Agile teams.

MERN Stack Developer at Progressive Insurance

April 30, 2021 - September 2, 2025

Gathered requirements and translated business needs into MERN stack solutions. Configured AWS cloud infrastructure for scalable deployments. Developed real-time data pipelines with Kafka and Spark Streaming, designed optimized GraphQL queries, and managed databases MongoDB and PostgreSQL. Implemented OAuth authentication and containerized applications using Docker and Kubernetes. Performed front-end development with React.js and Bootstrap, and ensured high-quality through automated testing with Jest and Cypress. Managed CI/CD pipelines and cloud monitoring for reliability.

FullStack Developer at State of Ohio

August 31, 2018 - September 2, 2025

Developed UI pages and single-page applications using ReactJS, Angular, and Typescript with responsive designs. Implemented client-side routing with React Router and Angular Router. Built backend services with Spring Boot, Hibernate, and GraphQL integrated with PostgreSQL and MongoDB. Applied OAuth for authentication, and employed agile practices for project delivery. Managed Azure cloud infrastructure deployments and CI/CD with Azure DevOps. Conducted unit, integration, and end-to-end testing using Jest, Mocha, Enzyme, and Cypress.

UI Developer at Softura

October 31, 2015 - September 2, 2025

Developed dynamic UI using HTML5, CSS3, Angular, JavaScript, and TypeScript. Implemented responsive design and component-based architecture with Angular, utilizing lifecycle hooks and routing. Integrated third-party APIs and real-time data updates with D3.js. Managed cloud resources and security on AWS. Participated in code reviews, agile ceremonies and delivered high-quality scalable front-end solutions.

Senior ReactJS Developer at Charter Communications, Denver, CO

February 1, 2025 - Present

Developed modular and reusable ReactJS components with Material-UI for scalable web applications. Implemented state management with Redux and React Context and optimized UI responsiveness and accessibility. Handled API integration using Axios and Fetch API with RESTful and GraphQL endpoints. Improved performance through lazy loading and virtualization, and implemented Elasticsearch for real-time search and log monitoring with Kibana. Conducted comprehensive testing using Jest, React Testing Library, and Cypress. Worked closely with DevOps for CI/CD and continuous improvement through code reviews and sprint planning.

Senior ReactJS/NodeJS Developer at Webster Bank, Stamford, Connecticut

January 31, 2025 - September 2, 2025

Built full-stack MERN applications using ReactJS 18, TypeScript, and Node.js with Express and MongoDB. Implemented Redux and Flux architectures for scalable state management. Integrated Power BI and Apache Superset for real-time dashboards. Developed RESTful and GraphQL APIs, secured applications with OAuth, JWT, and OKTA. Utilized Azure CosmosDB and GCP for scalable backend and deployed cloud functions. Developed containerized microservices with Docker and Kubernetes. Applied extensive testing and CI/CD pipelines using Jenkins, Bamboo, and Azure DevOps.

NodeJS Developer/React Developer at Texas Health Resources, Arlington, Texas

March 31, 2023 - September 2, 2025

Developed RESTful APIs and secure OAuth/JWT authentication integrated with AWS services. Migrated React class components to functional components using hooks for better maintainability and performance. Created dynamic single page applications with React Router and Next.js for server-side rendering. Built reusable React components, optimised performance with Suspense and lazy loading, and managed state with Redux and Redux Saga. Automated builds with Grunt and Gulp, optimized PostgreSQL queries, and developed backend services using Spring Boot and Hibernate. Executed testing with Jest, Mocha, Cypress, and Selenium.

MERN Stack Developer at Progressive Insurance, Mayfield Village, OH

April 30, 2021 - September 2, 2025

Led requirements gathering and developed MERN stack applications, managing AWS cloud infrastructure with EC2, S3, ELB, and Elastic Beanstalk for scalable deployments. Implemented security groups and automated data backups. Designed and optimized real-time data pipelines using Kafka and Spark Streaming storing data in MongoDB. Built dynamic and responsive front-end UI with React.js and Bootstrap. Implemented OAuth security and TypeScript for type safety. Used Docker, Kubernetes for container orchestration, and CI/CD pipelines with Jenkins and GitHub. Developed REST APIs with Nest.js following industry best practices.

FullStack Developer at State of Ohio, OH

August 31, 2018 - September 2, 2025

Developed comprehensive UI using ReactJS, Angular, and Typescript with responsive mobile design. Migrated React class components to hooks and used Redux and Context Providers for state management. Created custom Angular components and routes, built dynamic time picker components, and managed RESTful API integrations with PostgreSQL and Spring Boot backend. Employed OAuth security, unit/integration testing, and server-side rendering with Next.js. Managed Azure cloud deployment, CI/CD pipelines with Azure DevOps, and collaborated within Agile teams to deliver timely solutions.

UI Developer at Softura, Chennai India

October 31, 2015 - September 2, 2025

Developed responsive UI pages with Angular, JavaScript, and TypeScript using ES6 and JSON. Created single page applications with Angular components, services, and dependency injection. Managed application state with NgRx, integrated third-party APIs using HttpClientModule, and implemented real-time animations with D3.js. Managed build tasks using Node.js and NPM. Developed CRUD operations with SQL database integrations and managed AWS services like Route 53 and IAM roles. Collaborated with teams, conducted code reviews, and participated in Agile ceremonies to ensure project success.

Senior ReactJS Developer at Charter Communications, Denver, CO

February 1, 2025 - Present

Developed modular and reusable ReactJS components using Material-UI to ensure consistency and scalability. Managed state efficiently with Redux and React Context. Optimized UI responsiveness with grid systems and accessibility standards. Handled backend API integration including RESTful APIs and GraphQL. Implemented Elasticsearch for real-time search functionality and Redis for caching. Conducted comprehensive testing with Jest, Cypress, and React Testing Library. Collaborated with DevOps for CI/CD pipelines and performed code reviews to improve quality and performance.

Senior ReactJS/NodeJS Developer at Webster Bank, Stamford, Connecticut

January 31, 2025 - September 2, 2025

Built reusable ReactJS components and custom hooks with TypeScript. Developed full-stack MERN applications using MongoDB, ExpressJS, ReactJS, and NodeJS. Implemented Redux and Flux architectures with middleware and performed API consumption using Fetch API and third-party integrations. Leveraged Azure CosmosDB for scalable backend services and integrated Power BI and Apache Superset dashboards. Created backend APIs using Nest.js with MVC architecture and employed Kafka for real-time data pipelines. Developed and secured applications with OAuth, JWT, OKTA, and SSO. Utilized Docker and Kubernetes for containerization and deployment. Performed testing with Jest, Mocha, Cypress, and Selenium. Managed CI/CD via Jenkins and Azure DevOps.

NodeJS Developer/React Developer at Texas Health Resources, Arlington, Texas

March 31, 2023 - September 2, 2025

Developed REST APIs using Node.js and Express.js with JWT-based authentication integrated with AWS services. Migrated React class components to functional components and React Hooks for better performance and maintainability. Created single-page applications with React Router and Next.js to optimize SEO and user experience. Built reusable custom React components and implemented Redux for state management. Used AWS Lambda, EC2, S3, Athena, Glue, and API Gateway for backend infrastructure. Developed GraphQL schemas and queries and secured applications with OAuth and JWT. Automated front-end builds with Grunt and Gulp. Conducted extensive testing with Jest, Mocha, Cypress, and Enzyme. Collaborated with cross-functional teams and followed Agile methodologies.

MERN Stack Developer at Progressive Insurance, Mayfield Village, OH

April 30, 2021 - September 2, 2025

Gathered requirements and developed MERN stack applications. Managed AWS cloud infrastructure for hosting applications with services like EC2, S3, ELB, and CloudFront. Configured AWS Security Groups and S3 backups for failover and recovery. Developed real-time data processing using Node.js, Kafka, and Spark Streaming stored in MongoDB. Designed GraphQL queries and optimized PostgreSQL. Built responsive UI with React.js and Bootstrap. Implemented OAuth for authentication and built scalable REST APIs with Node.js and Nest.js. Automated frontend tasks with Grunt and Gulp and containerized deployments with Docker and Kubernetes. Managed CI/CD and conducted thorough API and performance testing. Led sprint planning and backlog grooming.

FullStack Developer at State of Ohio, OH

August 31, 2018 - September 2, 2025

Developed responsive UI using ReactJS, Angular, TypeScript, and ES6 with a focus on mobile and desktop responsiveness. Migrated applications from class components to functional components with hooks and Redux state management. Built dynamic single-page applications with routing and modular components. Integrated backend using Spring Boot, Hibernate, and PostgreSQL. Developed GraphQL APIs and implemented OAuth-based authentication. Created Angular time picker components and performed comprehensive testing with Jest, Mocha, Enzyme, and Cypress. Managed Azure cloud infrastructure with App Services and Blob Storage. Automated deployment pipelines using Azure DevOps and collaborated across teams using Agile workflows.

UI Developer at Softura, Chennai India

October 31, 2015 - September 2, 2025

Developed dynamic single page applications using Angular, JavaScript, TypeScript, HTML5, and CSS3. Utilized Angular components, services, dependency injection, and lifecycle hooks to deliver maintainable modules. Created responsive layouts with media queries and Bootstrap. Integrated RESTful and SOAP web services with XML and JSON data handling. Developed real-time data visualizations using D3.js. Maintained project dependencies using Node.js and NPM. Employed AWS services for deployment including Route 53, IAM, and EC2 with secure access. Collaborated in Agile teams with code reviews and sprint ceremonies to deliver quality software.