# Java Full Stack Developer (React)

- **Company:** Sapsol Technologies Inc
- **Location:** Mississauga, ON, CA (Not specified)
- **Salary:** Salary not disclosed
- **Contract:** Full-time
- **Posted:** 2026-04-01

## Job description

We are seeking a talented Java Full Stack Developer with strong expertise in backend development using Java, Spring Boot, and Microservices , along with frontend experience in React.js . The ideal candidate will be responsible for building scalable, high-performance applications and ensuring seamless integration between frontend and backend systems.
🔧 Key Responsibilities
Develop and maintain backend services using Java and Spring Boot
Design and implement Microservices architecture
Build responsive and dynamic user interfaces using React.js and modern JavaScript (ES6+)
Integrate frontend applications with backend services via RESTful APIs
Manage application state using Redux or similar libraries
Collaborate with cross-functional teams including UI/UX, QA, and DevOps
Optimize applications for performance, scalability, and security
Participate in code reviews, testing, and deployment processes
Troubleshoot and resolve technical issues across the stack
🧠 Required Skills
Strong experience in Core Java and Spring Boot
Hands-on experience with Microservices architecture
Proficiency in React.js, Redux, and ES6+ JavaScript
Experience with API integration and UI development
Strong understanding of frontend-backend interaction
Familiarity with HTML5, CSS3
Experience with SQL databases (MySQL, PostgreSQL)
☁️ Preferred Skills
Experience with AWS/Azure cloud platforms
Knowledge of Docker, Kubernetes
Familiarity with CI/CD tools (Jenkins, GitHub Actions)
Understanding of authentication mechanisms (JWT, OAuth)
🎓 Education
Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience)

[Apply on the company site](https://www.joonow.com/en/job/java-full-stack-developer-react-mississauga-ontario-dz9a8x922z/apply)