Senior Fullstack Engineer

Location: Noida, India

Department: PE-Cloud

Experience: 7+

Skills: Angular, chart.js, Java, Spring, JavaScript

• Design, develop, test, and maintain Java Spring backend services and web APIs.
• Implement APIs, data access, validation, and error handling.
• Work with relational databases, including MySQL, and search-backed analytics.
• Build reliable services that support data-driven dashboards and reporting experiences.

• Build responsive user interfaces using React and JavaScript.
• Progressively modernize existing AngularJS functionality to React.
• Integrate frontend components with backend APIs and handle asynchronous data, validation, and error states.
• Develop reusable components and maintainable user experiences.

• Develop data visualizations using Chart.js.
• Select appropriate chart types and interactions to communicate data clearly.
• Use D3 for specialized and interactive visualization requirements where appropriate.
• Build dashboard features that support clear data presentation and usability.

• Develop and maintain automated tests for frontend and backend components.
• Use Jest and React Testing Library for frontend testing.
• Use JUnit and Mockito for Java service testing.
• Diagnose defects across the application stack and ensure changes are tested safely within an established codebase.

• Investigate and resolve production issues across frontend and backend services.
• Participate in code reviews and follow established engineering practices.
• Clarify requirements, communicate technical trade-offs, and collaborate with relevant stakeholders.
• Own features through design, implementation, testing, and production support under the client's technical lead.

• Production experience developing web applications.
• Strong expertise in at least one side of the stack, with the ability to contribute across both backend and frontend.
• Backend: Java, Spring, HTTP/REST APIs, SQL, and relational databases, particularly MySQL.
• Frontend: JavaScript, React, Node.js/npm, and component-based UI development.
• Experience integrating frontend applications with APIs, including asynchronous data handling, validation, and error states.
• Experience with automated testing using Jest, React Testing Library, JUnit, and Mockito.
• Ability to make safe changes in established codebases.
• Clear communication skills for requirements clarification and technical trade-off discussions.

• Production web application development experience.
• Strong skills in Java and Spring or modern frontend development with JavaScript and React, with the ability to work across the stack.
• Experience with HTTP/REST APIs and frontend-backend integration.
• SQL and relational database knowledge, preferably MySQL.
• Experience handling asynchronous data, validation, and error states.
• Automated testing experience using relevant frontend and backend testing frameworks.
• Strong debugging, problem-solving, and communication skills.

• AngularJS and experience modernizing legacy applications to React.
• React component libraries and shared design systems.
• Chart.js and interactive data visualization.
• Familiarity with D3.
• Apache Solr or similar search technologies.
• Maven.
• Exposure to Python, MongoDB, SQL Server, message queues, or cloud storage.
• Experience with dashboards, reporting, alerting, or healthcare data.
• Knowledge of accessible, responsive, and cross-browser interface development.

• Strong ownership mindset and ability to deliver features end to end.
• Ability to work effectively across frontend and backend technologies.
• Focus on maintainable, scalable, and testable solutions.
• Strong analytical and troubleshooting skills.
• Clear communication and collaborative working style.
• Ability to modernize existing applications while maintaining stability.
• Commitment to responsive, accessible, and user-friendly experiences.