Java Full Stack Developer (React)

Sapsol Technologies Inc

Mississauga, Ontario, Canada Hybrid permanent

Posted: April 1, 2026

Quick Summary

We are seeking a 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.

Required Skills

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)

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