Java Full Stack Developer (React)
The candidate will develop and maintain backend services using Java and Spring Boot while building responsive user interfaces with React.js. They will also collaborate with cross-functional teams to optimize applications for performance and security.
- Hybrid
- Mississauga, ON
- Posted Apr 1, 2026
- 1 position
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Job summary
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)
What you’ll do
The candidate will develop and maintain backend services using Java and Spring Boot while building responsive user interfaces with React.js. They will also collaborate with cross-functional teams to optimize applications for performance and security.
Requirements
The ideal candidate should have strong experience in Core Java, Spring Boot, and Microservices, along with proficiency in React.js and modern JavaScript. Familiarity with SQL databases and frontend-backend interaction is also required.
Listed skills
- PostgreSQLPreferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Java
- Spring Boot
- Microservices
- React.js
- JavaScript
- ES6
- Redux
- RESTful APIs
- HTML5
- CSS3
- SQL
- MySQL
- PostgreSQL
- AWS
- Azure
- Docker
Job areas
- Technology
- Software
Additional details
- Minimum education
- Bachelor’s degree
- Minimum experience
- 2+ years
- Posting language
- English
- Working hours
- 40 hours per week
- Location requirements
- Country, Canada