Senior Full Stack Developer - React + Kotlin

About the job you’re considering

Full Stack Developer  : React and Kotlin
We are looking for a highly skilled and motivated Fullstack Developer proficient in React and Kotlin to join our dynamic team. The ideal candidate will have hands-on experience in developing scalable web applications and microservices, ensuring seamless integration between front-end and back-end components. Additionally, familiarity with Angular, Node.js, accessibility standards, and unit testing will be an added advantage to help the team build and maintain diverse application stacks.

Your role

•    Develop and maintain user-friendly web interfaces using React and related libraries.
•    Implement reusable components and ensure performance optimization of front-end applications.
•    Collaborate with designers to translate UI/UX wireframes into interactive and responsive web interfaces.
•    Manage state using tools like Redux or Context API.
•    Ensure cross-browser compatibility and accessibility compliance (e.g., WCAG standards).
•    Use tools like axe, Lighthouse, or Deque to identify and resolve accessibility issues.
•    Write and maintain unit tests for front-end components using Jest, React Testing Library, or similar frameworks.
•    Design, develop, and maintain back-end services and APIs using Kotlin.
•    Build and optimize microservices for scalability and reliability.
•    Implement RESTful or GraphQL APIs to communicate with front-end applications.
•    Work with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
•    Use Kotlin Coroutines for efficient asynchronous programming.
•    Write and maintain unit tests for back-end services using frameworks like JUnit or TestNG.
•    Collaborate with cross-functional teams, including designers, product managers, and other developers.
•    Participate in code reviews, testing, and debugging to ensure high-quality deliverables.
•    Write clean, maintainable, and scalable code adhering to best practices.
•    Monitor and improve application performance.
•    Contribute to the architecture and technical direction of the project.
•    Ensure applications meet accessibility and usability standards.

Your skills and experience

•    Proficiency in React and its ecosystem (e.g., React Router, Redux, Context API).
•    Strong experience with Kotlin for back-end development.
•    Hands-on experience in building RESTful and/or GraphQL APIs.
•    Solid understanding of HTML, CSS, and JavaScript (ES6+).
•    Knowledge of asynchronous programming and state management in front-end applications.
•    Familiarity with relational and NoSQL databases.
•    Experience in unit testing for both front-end and back-end components.
•    Understanding of accessibility standards (WCAG, ARIA) and tools like axe and Lighthouse.
Good-to-Have:
•    Experience with Angular for front-end development.
•    Familiarity with Node.js for back-end development.
•    Experience with cloud platforms (e.g., AWS, GCP, Azure).
•    Familiarity with CI/CD pipelines and version control systems like Git.
•    Knowledge of microservices architecture and Kubernetes/Docker for containerization.
•    Exposure to testing frameworks (e.g., Mocha for React; TestNG or JUnit for Kotlin).

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Life at Capgemini

Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer:

• Flexible work
• Healthcare including dental, vision, mental health, and well-being programs
• Financial well-being programs such as 401(k) and Employee Share Ownership Plan
• Paid time off and paid holid