Frontend developer

Ranadheer K

Contact: +1-336-***-****

Email: ************@*****.***

LinkedIn:linkedin.com/in/ranadheer-chowdary-kolla-633032281

Professional summary:

10+ years of experience in full stack development, covering all phases of the software lifecycle, including Design, Development, Implementation, and Testing of web-based applications.

Proficient in creating User Interfaces (UI) for Rich Web Applications using modern Front End/UI Technologies such as HTML5, CSS3 (Sass, LESS), Bootstrap, JavaScript, TypeScript, jQuery, and AJAX, effectively managing all aspects and pipelines of application development.

Expert in React.js, leveraging Virtual DOM and component-based architecture for high-performance rendering and interactive user interfaces.

Extensive experience developing complex front-end screens and reusable components using React.js with TypeScript and modern JavaScript ES6+ features, following best practices for modular design and maintainability.

Skilled in managing application state using Redux for global state management and integrating Redux Thunk for handling asynchronous actions.

Utilized the React Hooks API for managing component lifecycle, state, and side effects, enabling cleaner and more readable functional components.

Integrated React Router for seamless navigation within Single Page Applications (SPAs), optimizing user experience across different routes.

Proficient in Redux Toolkit for simplifying state management and eliminating boilerplate code, and experienced in building middleware for handling side effects.

Experienced in optimizing React applications for performance using techniques like code-splitting, lazy loading, and leveraging React's Context API to minimize prop drilling.

Deep expertise in integrating RESTful APIs with React applications, handling asynchronous data fetching with Axios or Fetch API.

Hands-on experience with modern build tools such as Webpack, Parcel, and Rollup for optimizing builds, handling static assets, and automating tasks such as transpilation and minification.

Experienced in testing React applications using Jest for unit tests, Enzyme for component testing, and Cypress for end-to-end testing to ensure robust and error-free applications.

Skilled in debugging and improving the performance of React applications using React DevTools and Chrome Developer Tools.

Proficient in version control systems like GIT and experienced with GitLab, Bitbucket, and GitHub for managing repositories, branching, and versioning in collaborative environments.

Strong understanding of Core Java concepts, including Streams API, Time API, Functional Interfaces, Multithreading, Transaction Management, Exception Handling, Lambda functions, Generics, and Collection API.

Deep experience with relational and NoSQL databases, including PostgreSQL, MySQL, MongoDB, Cassandra, CouchDB, Redis, and DynamoDB.

Expertise with ORM frameworks like Hibernate and Spring Data.

Skilled in implementing Spring frameworks such as Spring MVC, Spring IOC, Spring REST, Spring AOP, Spring Transaction Management, Spring Data, Spring Security, and Spring Boot.

Experience in developing microservices-based architecture using Spring Boot, interacting through REST APIs.

Hands-on experience with Docker and Kubernetes for containerization and orchestrating microservices-based architectures.

Experienced in CI/CD pipelines using Jenkins, GitLab CI, and CircleCI to automate deployment workflows.

Experience with cloud-native development and deploying applications on cloud platforms such as AWS, Azure, and Google Cloud Platform (GCP).

Skilled in using monitoring and logging tools such as ELK Stack (Elasticsearch, Logstash, Kibana) and Prometheus for maintaining application performance and reliability.

Technical skills

Languages: HTML5, CSS3 (Sass, LESS), JavaScript (ES6+), TypeScript

Frameworks/Libraries: React.js, Redux, Angular, jQuery, Bootstrap, AJAX

React.js Tools: React Hooks, React Router, Redux Thunk, Redux Toolkit, Context API

Build Tools: Webpack, Parcel, Rollup

UI Testing: Jest, Enzyme, Cypress

State Management: Redux, Redux Thunk, Redux Toolkit

Component Styling: Styled Components, CSS Modules

Languages: Java, Node.js, Python, Scala

Frameworks: Spring Boot, Spring MVC, Spring REST, Spring Security, Hibernate

Microservices Architecture: Spring Boot, REST APIs, OAuth 2.0, JWT, OpenID Connect (OIDC)

Web Services: RESTful Services, SOAP, WSDL, JAX-WS, Swagger/Open API

Messaging Queues: RabbitMQ, ActiveMQ, Apache Kafka

Design Patterns: MVC, Singleton, Factory, DAO, Service Locator, Front Controller

Relational Databases: PostgreSQL, MySQL, Microsoft SQL Server

NoSQL Databases: MongoDB, DynamoDB, Cassandra, CouchDB, Redis

ORM Tools: Hibernate, Spring Data

Containerization: Docker

Orchestration: Kubernetes

CI/CD Tools: Jenkins, GitLab CI, CircleCI

Version Control: Git (GitHub, GitLab, Bitbucket)

Build Tools: Maven, Gradle

Cloud Providers: AWS, Azure, Google Cloud Platform (GCP)

Cloud Services: AWS Lambda, API Gateway, DynamoDB, AWS Glue, Amazon Redshift

Tools: ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana, New Relic

Unit Testing: JUnit, Mockito, Sonar

End-to-End Testing: Cypress, Jest

Test-Driven Development (TDD)

Data Processing: Apache Spark, Apache Flink

Data Ingestion/ETL: AWS Glue, Apache Kafka, Scala

Data Warehousing: Redshift, DynamoDB

Design & Architecture: UML, RAD, Design Patterns, Business Rules Management Systems (BRMS) with Drools

Professional experience

Client: Motorola August2019- Present

Role: React js developer

Developed multiple interactive and responsive front-end screens and reusable components using React.js, ensuring compatibility with the latest versions of TypeScript and Webpack for optimal performance and scalability.

Utilized modern React hooks (useState, useEffect, useReducer) and Context APIs to efficiently manage complex state and side effects across components, resulting in cleaner, more maintainable, and scalable codebases.

Built and optimized reusable, modular components using React.js and TypeScript, enabling faster development and easier maintenance across different parts of the application.

Implemented component-based architecture in React.js to facilitate code reusability and modularity, improving development efficiency and reducing duplication across multiple projects.

Leveraged React’s Virtual DOM and component lifecycle methods to optimize rendering, resulting in faster performance and enhanced user experience, especially in applications with high interactivity.

Integrated Material-UI and other component libraries from NPM to enhance UI/UX design, ensuring a consistent, visually appealing look and feel across the application with a mobile-first approach.

Implemented Redux for efficient state management, significantly improving scalability and maintainability by centralizing application state and enabling seamless communication between components.

Developed and configured Redux middleware for handling asynchronous operations, such as Redux Thunk and Redux-Saga, ensuring the application’s state remains consistent and predictable even in complex scenarios.

Optimized React components using techniques like code splitting, lazy loading, and memoization, improving performance by reducing initial load times and minimizing unnecessary re-renders.

Utilized Redux DevTools for easier debugging and state management, identifying issues quickly during the development process and ensuring a smoother debugging experience.

Designed and implemented React form components with custom validation logic and integrated them with Redux Form to maintain state consistency and improve user experience.

Leveraged React Router for client-side routing, enabling seamless navigation between different views in single-page applications (SPAs) and ensuring efficient loading of pages.

Implemented React Error Boundaries to catch and handle exceptions in UI rendering, ensuring enhanced fault tolerance and providing users with clear error messages.

Ensured cross-browser compatibility and responsiveness by testing and optimizing React components for multiple screen sizes and modern web browsers.

Collaborated with UX/UI designers to implement responsive design patterns and optimize user flows, ensuring smooth and intuitive user experiences.

Configured Webpack to enable efficient bundling, tree-shaking, and module replacement, ensuring optimal build sizes and faster load times.

Integrated testing frameworks like Jest, Enzyme, and Cypress to create comprehensive unit and end-to-end tests, ensuring high-quality code with extensive test coverage.

Worked with React-Redux bindings to streamline the integration of Redux with React components, providing consistent state management and data flow between components.

Environment: React.js, TypeScript, Redux, React-Redux, Webpack, Material-UI, NPM, Redux Thunk, Redux-Saga, Redux DevTools, Jest, Enzyme, Cypress, Docker, Kubernetes, Spring Boot, Java, Hibernate ORM, Kafka, Jenkins, SonarQube, IAM Roles and Policies, Protractor.

Client: John Deere - Chicago, IL January2018-August 2019

Role: React js Devloper

Developed reusable and modular components using React.js to streamline development and ensure consistency across the application, enabling faster and more efficient UI implementation.

Leveraged React hooks (e.g., use State, use Effect, use Reducer) and Context API for efficient state and side-effect management, improving code clarity and maintainability across the project.

Implemented React Router for seamless navigation and intuitive Single Page Applications (SPAs), providing smooth transitions between views and enhancing user experience.

Utilized Redux to manage application state effectively, ensuring a predictable, centralized state management system that simplifies data flow and enhances application scalability.

Applied Redux middleware such as Redux Thunk and Redux-Saga to handle asynchronous logic, ensuring a robust and efficient management of side effects in the application.

Optimized React application performance using advanced techniques like code splitting, lazy loading, and memoization, resulting in faster initial load times and more responsive UI.

Integrated Redux DevTools for improved debugging and state tracking, facilitating quicker identification of state-related issues and enhancing developer productivity.

Developed and optimized forms using React Hook Form and Redux Form, enabling smooth form validation and state synchronization with Redux for better user interactions.

Improved component performance by utilizing React’s PureComponent and React.memo, reducing unnecessary renders and optimizing the virtual DOM operations.

Adopted TypeScript with React.js to add type safety, ensuring more reliable and maintainable code, particularly in complex React components and applications.

Utilized ES6+ features like destructuring, spread/rest operators, async/await, and template literals in conjunction with React.js, resulting in cleaner, more efficient, and readable code.

Ensured code quality using tools like ESLint and Prettier, enforcing best practices, adhering to coding standards, and improving overall code consistency and readability.

Collaborated with UI/UX designers to implement responsive, accessible web interfaces using semantic HTML5 and CSS3 features such as Flexbox and Grid.

Utilized Material-UI and other NPM component libraries to speed up UI development and create visually appealing, responsive, and consistent user interfaces.

Incorporated state management patterns like Redux Ducks and selectors to simplify Redux logic, keeping Redux store maintainable, scalable, and well-organized.

Integrated third-party APIs with React and Redux, ensuring smooth communication between the client and back-end services, improving functionality and user experience.

Unit tested React components using Jest and Enzyme, achieving high test coverage and ensuring reliability through comprehensive testing of both components and state management logic.

Conducted end-to-end testing of React applications using Cypress, validating the application's performance and usability in real-world scenarios.

Ensured accessibility (WCAG compliance) by implementing ARIA attributes and proper focus management in React components, making the application usable for all users.

Optimized build and asset bundling using Webpack and Babel, ensuring faster loading times, reduced bundle sizes, and overall better performance.

Environment: React.js, TypeScript, Redux, React Router, Redux Thunk, Redux-Saga, React Hook Form, Webpack, Babel, Material-UI, NPM, Jest, Enzyme, Cypress, ESLint, Prettier, Docker, Kubernetes, Azure, AWS, Git, GitHub, GitLab, Bitbucket, Prometheus, Grafana, Jenkins, Travis CI, GitHub Actions, CircleCI, MongoDB, MySQL, PostgreSQL, JWT, OAuth2, GraphQL, Jira, Trello, Asana, ELK Stack (Elasticsearch, Logstash, Kibana), VSCode, WebStorm, Sublime Text.

Company: Edutechex, India August2013-December2017

Role: Java Developer

●Experience in developing modern, responsive single-page applications (SPAs) using React.js, including complex state management with Redux or Context API.

●Proficient in creating reusable React components to streamline development and ensure consistency across the application.

●Utilized Reacts virtual DOM for efficient rendering and improved application performance, ensuring smooth user experiences.

●Built robust RESTful APIs using Node.js and Express.js, ensuring efficient communication between frontend and backend components.

●Experience in integrating databases like MongoDB or SQL databases with Node.js applications, utilizing ORMs like Mongoose or Sequalae for data modeling and management.

●Implemented secure authentication mechanisms such as JWT (JSON Web Tokens) to protect APIs and manage user sessions effectively.

●Involved in all phases of the software development lifecycle (SDLC) from requirements gathering to deployment, ensuring comprehensive understanding and execution of project goals.

●Practiced Agile methodologies (e.g., Scrum) to foster collaboration, adaptability, and iterative development cycles, participating actively in sprint planning, reviews, and retrospectives.

●Deployed applications on cloud platforms like AWS, Azure, or Google Cloud Platform (GCP), leveraging services such as EC2, S3, Docker, and Kubernetes for scalable and reliable deployments.

●Implemented CI/CD pipelines using tools like Jenkins or GitLab CI to automate build, test, and deployment processes, ensuring rapid delivery of new features.

●Proficient in Docker for containerization of applications, simplifying deployment and ensuring consistency across development, testing, and production environments.

●Developed and executed unit tests using frameworks like Jest or Mocha, alongside integration tests to validate application functionality and reliability.

●Practiced TDD to ensure code quality, improve design, and facilitate easier maintenance of codebase through automated testing practices.

●Proficient in Git for version control, collaborating with teams through platforms like GitHub or GitLab to manage code repositories and streamline development workflows.

●Experience in setting up monitoring tools like Grafana or Splunk to track application performance metrics, troubleshoot issues, and optimize application efficiency.

Environment: JavaScript, TypeScript, HTML5, CSS3,Bootstrap, jQuery, AJAX, React.js, Node.js, Express.js, RESTful Web Services, GraphQL, Spring Boot, Java, SQL, PL/SQL, XML, XSL, Webpack, Parcel, Rollup, Node.js, Express.js, MongoDB, SQL databases, AWS Azure, Google Cloud Platform Jenkins, GitLab CI, CircleCI, Docker, Kubernetes, Jest, Mocha, Chai, Cypress, Git Splunk, AWS CloudWatch, Grafana, Hibernate, Selenium.

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