Java ReactJS AWS Developer (8 or Above yrs of experienced professionals)

Capgemini • Chicago, IL

4d • Onsite

About The Position

We are seeking a highly skilled Senior Java Full Stack Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have strong experience across Java-based microservices, modern front-end development using React, cloud-native architectures on AWS, and end-to-end testing including UI automation with Playwright, along with CI/CD and modern SDLC practices such as TDD and BDD. Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Requirements

• Strong Java expertise (Java 17/21/25, Spring Boot, Microservices)
• Hands-on React.js experience for front-end development
• Experience building RESTful APIs and full-stack applications
• Strong experience with AWS Native services (Lambda, EMR, Spark, etc.)
• Experience with Docker and Kubernetes/OpenShift
• Hands-on experience with Drools Rule Engine
• Strong knowledge of Relational (SQL) and NoSQL databases
• Strong experience in TDD (JUnit) and BDD (Cucumber)
• Hands-on experience with Playwright for UI and end-to-end test automation
• Experience writing unit, integration, and service-level tests
• CI/CD tools (Jenkins)
• GitHub and version control
• Artifact Repository tools (Artifactory)
• Infrastructure as Code (Terraform, CloudFormation, Ansible)
• Experience with Kafka, RabbitMQ, MQ, Kinesis, or similar messaging systems
• 8 or Above yrs of experienced professionals

Nice To Haves

• AWS Architect Certification
• Experience with performance tuning and monitoring tools
• Exposure to large-scale distributed systems
• Experience building cloud-native, event-driven architectures

Responsibilities

• Design and develop highly available, scalable applications using Java (17/21/25) and modern design patterns
• Build and maintain RESTful APIs and microservices architecture using Spring Boot
• Contribute to system design, architecture decisions, and engineering best practices
• Ensure high availability, performance, and scalability of backend services
• Design and develop responsive, reusable front-end components using React.js
• Collaborate closely with UX/UI designers and backend teams to deliver seamless user experiences
• Integrate front-end applications with backend APIs
• Apply front-end best practices including state management, component-based architecture, and performance optimization
• Implement unit, integration, and service-level tests for backend services
• Apply TDD using JUnit and BDD using Cucumber
• Develop and maintain end-to-end UI automation tests using Playwright for React applications
• Ensure high test coverage across backend and frontend layers
• Build and maintain CI/CD pipelines (Jenkins, GitHub) to automate build, test, and deployment
• Deploy and manage applications on AWS (Lambda, EMR, Spark, etc.)
• Containerize applications using Docker and orchestrate using Kubernetes / OpenShift (OCP preferred)
• Provision infrastructure using Terraform, CloudFormation, and Ansible
• Collaborate within Agile / Scrum teams to deliver high-quality software solutions
• Work closely with product owners, architects, and business stakeholders
• Monitor application performance and troubleshoot production issues
• Act as a technical mentor and contribute to continuous improvement initiatives

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade
• Company paid holidays
• Personal Days
• Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed