**Job Summary** We are seeking an experienced Fullstak with 6 to 8 years of experience in mobile app design and architecture. + **Gatsby** is Must required skill Vue.js with Nuxt or React with Next Gatsby code refers to the JavaScript and JSX (JavaScript XML) code used to build websites and applications with the Gatsby.js framework. Gatsby is a static site generator built on React and GraphQL designed to create fast performant and scalable web experiences. **Responsibilities** +Gatsby is Must required skill Vue.js with Nuxt or React with Next Gatsby code refers to the JavaScript and JSX (JavaScript XML) code used to build websites and applications with the Gatsby.js framework. Gatsby is a static site generator built on React and GraphQL designed to create fast performant and scalable web experiences. + Design and develop mobile applications using React JS and React Native to meet business requirements and enhance user experience. + Implement middleware solutions using Saga and Thunk to ensure efficient data flow and state management across applications. + Utilize Docker for containerization to streamline application deployment and improve scalability. + Conduct thorough testing using Jest to ensure application reliability and performance. + Apply design patterns to create robust and maintainable code structures. + Integrate REST APIs to facilitate seamless communication between applications and backend services. + Employ dependency injection techniques to enhance code modularity and testability. + Utilize networking libraries to optimize data transmission and connectivity in mobile applications. + Collaborate with cross-functional teams to gather requirements and deliver high-quality software solutions. + Use GIT for version control to manage code changes and collaborate effectively with team members. + Provide technical guidance and support to junior developers to foster a collaborative and productive work environment. + Stay updated with the latest industry trends and technologies to continuously improve application design and architecture. + Contribute to the companys mission by developing innovative solutions that enhance product sourcing capabilities. **Qualifications** + Possess strong expertise in mobile app design and architecture with a focus on React JS and React Native. + Demonstrate proficiency in middleware technologies such as Saga and Thunk for effective state management. + Have hands-on experience with Docker for containerization and application deployment. + Show capability in using Jest for testing and ensuring application quality. + Exhibit knowledge of design patterns for creating maintainable and scalable code. + Experience in integrating REST APIs and utilizing networking libraries for efficient data communication. + Familiarity with GIT for version control and collaboration. Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.