- Company Name
- Quantum World Technologies Inc.
- Job Title
- Java Developer with ReactJS
- Job Description
-
Job Title: Java Developer with ReactJS
Role Summary: Design, develop, and maintain enterprise-level microservices using Java Spring Boot and rich, responsive front‑end interfaces with React.js. Deliver scalable, cloud‑native solutions on AWS while ensuring high code quality, test coverage, and continuous delivery pipelines.
Expactations:
- 7+ years of professional experience in Java (Spring Boot) development.
- 5+ years of hands‑on React.js, HTML, CSS, JavaScript, and TypeScript front‑end work.
- Proficient with AWS services (EC2, S3, Lambda, RDS, CloudFormation, etc.).
- Deep understanding of RESTful API design, microservices architecture, and integration patterns.
- Experienced with CI/CD tooling such as GitLab CI/CD, Jenkins, or AWS CodePipeline.
- Strong grasp of software design patterns, SOLID principles, and industry best practices.
Key Responsibilities:
- Build, test, and deploy Java microservices with Spring Boot, ensuring performance and reliability.
- Develop and evolve React.js components, managing state, routing, and integration with backend APIs.
- Collaborate with DevOps to configure and optimize AWS infrastructure, including serverless functions and container services.
- Write unit, integration, and end‑to‑end tests; maintain automated test suites and coverage thresholds.
- Participate in code reviews, architectural discussions, and continuous improvement initiatives.
- Troubleshoot and resolve production incidents, monitoring system health and performance.
Required Skills:
- Java, Spring Boot, RESTful API development, microservices architecture
- React.js, Redux or equivalent state management, TypeScript, ES6+, CSS/Sass, HTML5
- AWS: EC2, S3, Lambda, RDS, CloudFormation, IAM, VPC, CloudWatch
- CI/CD pipelines (GitLab CI/CD, Jenkins, AWS CodePipeline), Docker, Kubernetes (optional)
- Unit testing frameworks (JUnit, Mockito), front‑end testing (Jest, React Testing Library)
- Source control (Git), branching strategies, pull request workflows
- Design patterns, SOLID, clean code principles, performance tuning
Required Education & Certifications:
- Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience).
- Certifications such as AWS Certified Developer – Associate or AWS Certified Solutions Architect – Associate are a plus.