Full Stack Intern Jobs in Ontario (NOW HIRING)

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About Capital One Canada

For 30 years, we've been on a mission to change banking for good. We challenge the traditional bank stereotype, fostering a culture where innovation thrives and bold ideas are celebrated.

You'll be empowered to grow your career in a supportive environment where you can own and shape your journey on your own terms. You'll redefine what's possible by contributing to work that impacts millions of Canadians, taking ownership of your decisions and outcomes, supported by mentors who will push you to think bigger and challenge the status quo.

Are you ready to redefine what's next?

About the Team

Team Pickle is responsible for building an internal onboarding experience tool from the ground up. The team will contribute to requirements definition, frontend UI development, backend design and implementation, database schema definition, and high-level system architecture. Senior team members will provide technical guidance and mentorship.

About the Role

As an engineer on Team Pickle, you will collaborate with a diverse team of engineers to define and deliver the product. This internal initiative offers a unique opportunity to actively shape and refine requirements based on your insights, expertise, and recommendations. You will be involved in building infrastructure, feature development, comprehensive testing (unit, component, and integration), deployment, monitoring, and addressing cyber security vulnerabilities.

Tech stack

• IDEs: IntelliJ, VSCode, Windsurf

• Languages: NodeJS, React, Java

• AWS: S3, Lambda, Route53, Security Groups, IAM roles

• CI/CD: Jenkins, Onepipeline (Capital One's innersourced CI/CD pipeline)

• Databases: Postgres

Your Responsibilities:

• Work as part of a dynamic team throughout the software development life cycle

• Develop code to meet story acceptance criteria

• Conduct design and code reviews to ensure high-level quality output

• Ensure adherence to continuous improvement practices as required to meet quality, and time to market imperatives

• Participate in Agile ceremonies, design and brainstorming sessions

• Collaborate with Product and Analyst stakeholders to implement enhancements or new applications

• Technical Documentation for analysis, test results and release.

• Learn and build AWS cloud infrastructure on the job

• Have fun with the team

Basic Qualifications:

• Will obtain a Bachelor's degree or higher from December 2026 or later

• Familiarity with application development using any backend programming language, and JavaScript.

• Good communication, presentation, and writing skills

• Good understanding of testing fundamentals

• Able to work within a team setting and actively participate and collaborate in team discussion

• Ensure you complete the assessment no later than September 7, 2026 @ 11:59PM

Preferred Qualifications:

• Experience with backend technologies such as Java, AWS Lambda, S3.

• Experience with version control technology i.e. Git

• Experience with Jenkins CI/CD, microservices, API design / integration

• Experience with frontend frameworks i.e. React

• Experience with AI tools & development i.e. Claude, OpenSpec

Working at Capital One

Here you'll uncover personal strengths, explore new interests and make an impact that matters. The work you'll find here will keep you inspired and guide you in your career journey.

• Take ownership of your own potential: As you begin your career, you'll define your own path by gaining exposure across the business, learning new skills, and having access to tools and mentorship to understand your potential.

• Find your rhythm: We believe trust fosters the flexibility and autonomy required to balance personal needs with a focus on high performance. We support a hybrid model - with 3 days in the office per week - that gives room for both collaboration and personal commitments.

• A supportive community from day one: Through our robust onboarding program, orientation sessions, buddy program for new hires and early career development programs, you'll get foundational training while building connections with your peers and leaders - cultivating a supportive community you can lean on for support and guidance.

You'll find that Capital One is committed to helping you thrive and evolve every step of the way.

This posting is for an existing vacancy.

The expected annual salary for this position is between $45,000 to $85,000.

Weembrace the responsible use of artificial intelligence (AI) to enhance the candidate experience and streamline our recruitment processes. However, no hiring decisions are made using AI as every hiring decision is made by our hiring managers, business interviewers, and recruitment professionals. Our teams are equipped with training that empowers them to use AI responsibly.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at ARCanada@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).