Intern Java Mainframe Developer Jobs in Toronto, ON

The career you never expected could be waiting for you at Aviva.

You are investing time and effort into your education and building the foundation for a rewarding career. Have you considered the insurance industry? More than 100,000 Canadians work in insurance, helping individuals, families, and businesses protect what matters most.

At Aviva, we make a positive difference every day by providing protection and peace of mind to our customers. As one of Canada's largest insurance organizations, Aviva offers exciting opportunities for talented students who are beginning their professional careers.

If you're looking for a head start and meaningful work experience, we'd love to hear from you.

About the Opportunity

Aviva is pleased to announce that we are recruiting two Quality Engineering Interns for Fall 2026, in an 8-month internship from September 2026 to May 2027.

This is an excellent opportunity for post-secondary students to gain exposure to the insurance industry while developing valuable technical and professional skills within our Quality Engineering team. Aviva recognizes the importance of internship programs in developing future talent and creating pathways into entry-level career opportunities.

What You'll Do

As a Quality Engineering Intern, you will have the opportunity to contribute to meaningful projects while developing your technical and professional skills. Responsibilities include:

• Developing and maintaining software applications and automated test frameworks.

• Collaborating with Quality Engineers and Software Developers, including participating in code reviews.

• Troubleshooting and debugging software issues.

• Building and enhancing automation solutions for web, API, and data testing.

• Assisting with requirements gathering and solution design activities.

• Contributing to test documentation and participating in defect triage meetings.

What You'll Bring

• Currently enrolled in a post-secondary program in Computer Science, Software Engineering, Computer Engineering, or a related field.

• Foundational knowledge of Java and/or Python.

• Familiarity with automation testing tools such as Selenium or Playwright; experience using JIRA is considered an asset.

• Strong analytical, problem-solving, and communication skills.

• A collaborative mindset, eagerness to learn, and strong attention to detail.

What You'll Gain

• Hands-on experience in software development and quality engineering practices.

• Exposure to automation frameworks, testing strategies, and Agile methodologies.

• The opportunity to contribute to real-world technology projects that impact our business and customers.

• Mentorship, coaching, and learning opportunities within a collaborative and fast-paced engineering environment.

Application Requirements

As part of your application, please include a brief cover letter confirming:

• Your school program and current year of study.

• Your availability to work full-time for the entire 8-month internship period (September 2026 - May 2027).

• That you are currently enrolled in a post-secondary program and have not yet graduated.

Candidates are encouraged to highlight any additional technical skills, certifications, projects, or experiences relevant to their role in their cover letter.

Office Location: Markham, Ontario

Application Deadline: July 24, 2026

We thank all applicants for their interest in Aviva. Only those selected for an interview will be contacted.

Additional Information

Aviva Canada is committed to providing accommodations for people with disabilities during all phases of the hiring process including the application process. If you require an accommodation because of a disability, we will work with you to meet your needs. Applicants need to make their needs known in advance. If you are selected for an interview and require an accommodation, you are encouraged to advise the Talent Acquisition Partner who will consult with you to determine an appropriate accommodation.