Senior Java Full Stack Developer

We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud deployments. You will develop scalable, secure and high-performing enterprise applications using Java, Spring Boot, React, Node.js, Python and SQL.

This role suits a strong hands-on engineer who is equally comfortable on the front end and the back end, and who can take part in solution design as well as delivery. You will translate business requirements into robust technical solutions, working closely with product, architecture, QA, DevOps and business stakeholders to deliver modern digital solutions that are reliable, maintainable and aligned with enterprise standards.

Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office.

Responsibilities:

• Design, develop, test, deploy and support full stack applications across front-end and back-end environments.
• Build responsive, accessible and user-friendly interfaces using React and modern web development practices.
• Develop and maintain back-end services, APIs and business logic using Java, Spring Boot, Node.js and Python.
• Design and implement microservices-based architectures for scalable, modular applications.
• Build and maintain secure RESTful APIs and service integrations.
• Design, optimize and manage relational databases and SQL queries.
• Contribute to cloud-native deployment and operational support on AWS, Azure or GCP.
• Support CI/CD pipelines, release processes and deployment automation.
• Ensure code quality through peer reviews, automated testing and engineering best practices.
• Troubleshoot and resolve issues across the full stack, including UI, APIs, services, databases and cloud environments.
• Collaborate with cross-functional teams to define technical solutions aligned with business and architecture requirements.
• Create and maintain technical documentation for applications, integrations and support processes, and contribute to continuous improvement of engineering standards and design patterns.

• 7+ years of experience in software development, including significant full stack development.
• Strong expertise in Java and Spring Boot for enterprise application development.
• Proven experience building scalable web applications with React.
• Familiarity with Node.js and Python on the back end.
• Strong experience designing and building APIs and microservices.
• Strong knowledge of SQL, relational databases, schema design and query optimization.
• Experience deploying and supporting applications on AWS, Azure or Google Cloud Platform.