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Senior Java Full-stack Developer

Haysabout 20 hours ago
Hybrid
CA$55 - CA$65/hour
Senior Level
CONTRACTOR

About the role

Job Title: Senior Java Full Stack Developer Location: Toronto, ON (Hybrid) Duration: 12 months Contract Rate: CAD55-CAD65/hr

Job Summary We are seeking a highly skilled Senior Java Full-Stack Developer with strong expertise in backend and frontend technologies to design, develop, and maintain scalable, high-performance applications. The ideal candidate will have deep knowledge of Core Java, Spring Framework, modern frontend frameworks, and database technologies, along with strong problem-solving and design skills.

Key Responsibilities Design, develop, and maintain robust, scalable, and secure full-stack applications. Build backend services using Core Java and Spring (Spring Boot, Spring MVC). Develop responsive and interactive UI components using Angular, React, and TypeScript. Collaborate with cross-functional teams including product managers, designers, and QA to deliver high-quality solutions. Write clean, reusable, and maintainable code following best practices and coding standards. Develop and optimize SQL queries, ensuring performance and data integrity. Work with both SQL and NoSQL databases for application data design and management. Implement application architecture using industry-standard design patterns. Troubleshoot, debug, and resolve performance and production issues. Participate in code reviews and contribute to continuous improvement initiatives.

Required Skills & Qualifications Strong hands-on experience in Core Java and Spring Framework (Spring Boot preferred). Strong proficiency in frontend technologies: TypeScript, Angular, React, JavaScript, HTML5, CSS3, JSON. Experience writing efficient SQL queries and working with relational databases (e.g., MySQL, PostgreSQL, Oracle). Experience with NoSQL databases (e.g., MongoDB, Cassandra, etc.). Solid understanding of object-oriented programming (OOP) concepts. Good knowledge of software design patterns and their practical application. Strong analytical and problem-solving skills. Experience with RESTful APIs and microservices architecture. Familiarity with version control systems such as Git.

Preferred Qualifications Experience working in Agile/Scrum environments. Knowledge of cloud platforms (AWS, Azure, or GCP) is a plus. Familiarity with CI/CD pipelines and DevOps practices. Experience with containerization tools like Docker/Kubernetes is a plus.

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