Lead developer Jobs in Hamilton, ON

What We'll Bring:

At TransUnion, we are dedicated to finding ways information can be used to help people make better and smarter decisions. As a trusted provider of global information solutions, our mission is to help people around the world access the opportunities that lead to a higher quality of life, by helping organizations optimize their risk-based decisions and enabling consumers to understand and manage their personal information. Because when people have access to more complete and multidimensional information, they can make more informed decisions and achieve great things.

Every day TransUnion offers our employees the tools and resources they need to find ways information can be used in diverse ways. Whether it is helping businesses better manage risk, providing better insights so a consumer can qualify for his first mortgage or working with law enforcement to make neighborhoods safer, we are improving the quality of life for individuals, families, communities and local economies around the world.

What You'll Bring:

• 3-5+ years of professional full stack or backend development experience, including hands on experience with Java, Spring Boot, and Angular.
• Strong experience with: Java, Spring Framework & Spring Boot, Spring Security & OAuth 2.0, Hibernate / JPA, Maven.
• Core Backend & Full‑Stack Skills.
• Practical experience developing UI components using Angular.
• Experience consuming REST APIs from Angular applications.
• Databases & Messaging.
• Experience working with PostgreSQL.
• Hands‑on experience with ActiveMQ or similar messaging systems.
• Testing, Quality & Security
• Unit testing using JUnit 5/6 and Mockito.
• Experience with static code analysis and security scanning tools: Sonar, Checkmarx
• DevOps & Environment.
• Experience working in Linux environments
• Basic to intermediate shell scripting.
• Working knowledge of Jenkins for CI/CD.
• Proficient with Git or similar version control systems.

Impact You'll Make:

We are seeking a Java Developer with strong backend expertise and working knowledge of frontend development using Angular. The ideal candidate will contribute to the design, development, testing, and maintenance of secure, scalable enterprise applications, working across both backend services and user‑facing components.

You will collaborate with cross‑functional teams including backend, frontend, QA, and DevOps to deliver high‑quality, reliable solutions.

Key Responsibilities:

• Design, develop, and maintain backend services using Java and Spring Boot.
• Develop and maintain frontend components using Angular.
• Build and integrate RESTful APIs between Java backend services and Angular frontend.
• Implement authentication and authorization using Spring Security and OAuth 2.0.
• Develop data persistence layers using Hibernate/JPA with PostgreSQL.
• Implement asynchronous messaging and integration using ActiveMQ.
• Write clean, maintainable, and testable code following best practices.
• Develop unit tests using JUnit 5/6 and Mockito.
• Ensure code quality and security compliance using Sonar and Checkmarx (or Fortify / Black Duck).
• Participate in code reviews and collaborative design discussions.
• Work in Linux environments, including basic shell scripting tasks.
• Use Jenkins for CI/CD pipelines and participate in deployment activities.
• Manage source code using Git or other version control systems.
• Troubleshoot, debug, and resolve application and production issues.

The expected pay range for this position is $89,000 - $123,000 annually. The pay information provided for this position reflects a reasonable estimate of the range of expected compensation for this job. At TransUnion, actual compensation is based on careful consideration of many factors such as (but not limited to) an individual’s education, training, work experience, job related skill set, location, and industry knowledge, as well as the scope and responsibilities of the position and market considerations. In addition, variable compensation is based on applicable company guidance and plan documents as well as performance.

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

This job posting is for an existing vacancy. The opening is the result of a newly created position.

TransUnion's Internal Job Title:

Consultant, Applications Development