Java Full Stack Developer-React

Cognizant; Bengaluru; Ibrido; INR 1.200.000 - 1.800.000; Tempo pieno

Descrizione del lavoro

Cognizant in India seeks a hands-on Full Stack Developer with Java, Spring Boot, React, SQL, AWS + Kafka to deliver secure, scalable backend services and intuitive frontends. The role emphasizes strong design, testing, and collaboration across hybrid teams.

You will implement end-to-end solutions, optimize performance, apply security best practices, and contribute to deployment and operational excellence in a dynamic environment.

Competenze

• Extensive experience designing and implementing Java backend applications with OO design and concurrency.
• Strong proficiency in React JS for dynamic SPAs with reusable components.
• Deep knowledge of Kafka for large-scale event driven architectures.
• Advanced SQL with complex joins, indexing and query tuning.
• AWS core services and secure cloud deployments.
• Software engineering practices: VCS, CI/CD, code reviews.
• Excellent analytical and communication skills in a hybrid environment.

Mansioni

• Design and implement high quality backend services using Java and Kafka for scalable workflows.
• Develop responsive interfaces using AngularJS and JavaScript for intuitive UX.
• Optimize SQL queries and data models for reliable analytics and reporting.
• Architect and deploy secure cloud-native solutions on AWS with best practices.
• Translate requirements into technical designs and implementation plans.
• Review code, perform unit/integration testing, ensure quality and compliance.
• Guide end-to-end Kafka messaging patterns for resilient asynchronous workstreams.
• Integrate frontend and backend via clear APIs and data flow.
• Identify performance bottlenecks and optimize Java services and queries.
• Document system designs and deployment procedures for knowledge sharing.
• Collaborate in a hybrid day-shift model to plan releases and resolve defects.

Conoscenze

Java backend design

React JS

Kafka

SQL

AWS

REST API

Spring Boot

Security (OWASP)

JavaScript

AngularJS

MongoDB

Strumenti

Kafka

MongoDB

AngularJS

Descrizione del lavoro

Job Summary

Java React JavaScript SQL AWS + Kafka OWASP Full stake developer - Hands on experience in Java Spring Boot REST API Kafka React PING Transmi MongoDB and SQL

Responsibilities

• Design and implement high quality backend services using Java and Kafka to support reliable event driven processing for critical business workflows that operate at scale in production environments
• Develop responsive and accessible user interfaces using Angular JS and JavaScript that provide intuitive experiences and streamline complex business tasks for diverse global users
• Optimize SQL queries and data models to ensure efficient storage retrieval and reporting of transactional and analytical data while maintaining integrity and consistency across systems
• Architect and deploy secure cloud native solutions on AWS that follow best practices for scalability reliability observability and cost optimization across multiple environments
• Collaborate with product owners and business stakeholders to translate requirements into detailed technical designs and implementation plans that align with company objectives and customer needs
• Review code perform thorough unit and integration testing and ensure that all deliverables meet agreed quality standards performance benchmarks and regulatory constraints
• Guide end to end implementation of Kafka based messaging patterns including topic design consumer group strategies and error handling to support resilient asynchronous workflows
• Integrate frontend and backend components into cohesive solutions by defining clear APIs handling edge cases and ensuring consistent behavior and data flow across the application stack
• Identify performance bottlenecks in Java services SQL queries and JavaScript components and implement targeted optimizations to improve response times throughput and resource utilization
• Document system design decisions technical patterns and deployment procedures in a clear and maintainable format to support knowledge sharing onboarding and audit needs
• Coordinate with cross functional engineering and operations teams in a hybrid work model to plan releases resolve defects and ensure smooth day shift delivery of new features and enhancements
• Support production systems by analyzing incident trends resolving root causes and implementing proactive improvements that enhance stability security and user confidence
• Contribute to continuous improvement of development practices by adopting modern tools refining coding standards and encouraging data driven decision making that advances organizational technology maturity

Qualifications

• Possess extensive experience designing and implementing Java based backend applications including object oriented design concurrency handling and integration with enterprise components
• Demonstrate strong proficiency in React js and JavaScript for building dynamic single page applications with reusable components robust state management and secure client side interactions
• Exhibit deep knowledge of Kafka including configuration partitioning consumer group management and stream processing concepts applied to large scale event driven architectures
• Show advanced skills in SQL including complex joins indexing query tuning and schema design to support transactional integrity and performant analytics across varied workloads
• Bring practical expertise with AWS core services such as compute storage networking and managed databases alongside infrastructure concepts that enable secure cloud deployments
• Apply solid understanding of software engineering practices including version control automated testing continuous integration and code review to maintain high standards of reliability
• Utilize strong analytical and communication abilities to interpret requirements propose technical solutions and collaborate effectively in a hybrid day shift environment focused on measurable business value