What are the responsibilities and job description for the Java ReactJS AWS Developer position at capgemini?
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.
Key Responsibilities:
Backend & Architecture:
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
Frontend (React):
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
Testing & Quality Engineering:
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
DevOps, Cloud & CI/CD:
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
Collaboration & Delivery:
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
Required Skills & Experience:
Core Technical Skills:
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
Testing & Automation:
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
DevOps & Tools:
CI/CD tools (Jenkins)
GitHub and version control
Artifact Repository tools (Artifactory)
Infrastructure as Code (Terraform, CloudFormation, Ansible)
Messaging & Integration:
Experience with Kafka, RabbitMQ, MQ, Kinesis, or similar messaging systems
Preferred Qualifications:
AWS Architect Certification
Experience with performance tuning and monitoring tools
Exposure to large-scale distributed systems
Experience building cloud-native, event-driven architectures
Soft Skills:
Strong communication and collaboration abilities
Excellent analytical and problem-solving skills
Ability to multitask and work in fast-paced, Agile environments
Strong stakeholder management experience
Adaptability in working with both business and technical teams
Experience Level:
8 years of software development experience
Nice to Have:
Advanced front-end experience with React ecosystem (modern hooks, state management libraries)
Experience combining Playwright with CI/CD pipelines
Exposure to Angular or other modern JS frameworks
The pay range that the employer in good faith reasonably expects to pay for this position is $37.45/hour - $58.51/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.
Tundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.
Salary : $37 - $59