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Java Full Stack Developer; React

Job in Mississauga, Ontario, Canada
Listing for: Sapsol Technologies Inc
Full Time position
Listed on 2026-06-04
Job specializations:
  • Software Development
    Java Developer, Full Stack Developer, Backend Developer
Job Description & How to Apply Below
Position: Java Full Stack Developer (React)

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 Dev Ops
  • 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+ Java Script
  • Experience with API integration and UI development
  • Strong understanding of frontend-backend interaction
  • Familiarity with HTML5, CSS3
  • Experience with SQL databases (MySQL, Postgre

    SQL)
☁️ Preferred Skills
  • Experience with AWS/Azure cloud platforms
  • Knowledge of Docker, Kubernetes
  • Familiarity with CI/CD tools (Jenkins, Git Hub Actions)
  • Understanding of authentication mechanisms (JWT, OAuth)
🎓 Education
  • Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience)
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