We''re looking for a senior Java developer to lead a small team in both supporting an existing application and building its future state.

The role centres on migrating a legacy Java/Web

Sphere application to a contemporary Spring Boot API and Angular UI, including a database migration from DB2 to AWS Aurora.

Strong Java fundamentals are essential - this is a technically demanding lead role in a claims and billing domain.

What you''ll do Lead a team of four developers across application support and new development workstreams Support the existing Java application built on Web

Sphere using the Spring Framework with JMS Drive the migration to a Spring Boot API and Angular UI architecture Oversee the database migration from DB2 to AWS Aurora as part of the modernization effort Design and implement RESTful APIs ensuring seamless integration between frontend and backend systems Apply best practices in software architecture, design patterns, and object-oriented programming Champion unit testing and test-driven development practices using JUnit and Mockito Contribute to performance optimization, profiling,



and debugging of Java applications Manage code quality and collaboration through Git-based version control workflows What you bring Solid core Java fundamentals including a solid understanding of object-oriented principles, data structures (Hash

Maps, Sets, and their underlying mechanics), IoC principles, and Java bean lifecycle management Deep knowledge of the Spring Framework including dependency injection and application lifecycle, with hands-on Spring Boot experience Experience with RESTful API design and implementation Familiarity with unit testing frameworks including JUnit and Mockito Experience with containerization and orchestration tools such as Docker and Kubernetes Working knowledge of Git for version control and team collaboration Prior experience in claims or billing domain applications is an asset Eligibility for a mandatory background check Nice to have Hands-on experience with AWS Aurora or other cloud-managed database services Familiarity with Angular for frontend integration Experience migrating legacy Web

Sphere or XML-based Spring applications to contemporary Spring Boot architectures Work setup Mississauga, ON 6+ month contract English proficiency required

📌 Java With Aws Lead Mississauga
🏢 J M Group
📍 Mississauga