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Capital One

Principal Associate, Software Engineering

Toronto, ON, Canada

The expected annual salary range for this position is $148,200 - $169,100. · Full-time

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Job details

Pay: The expected annual salary range for this position is $148,200 - $169,100.
Job type: Full-time
Posting language: English
Posted: Oct 7, 2026

Original job description

161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Principal Associate, Software Engineering

About Capital One Canada.

For 30 years, we've been on a mission to change banking for good. We challenge the traditional bank stereotype by integrating machine learning, conversational AI and design thinking into our core operations. We're a bank a tech company would build, where your work directly shapes innovative solutions that impact millions of Canadians.

We're driven by fearless curiosity, bold innovation, and a collective of authentic people working together to redefine what's possible. Technology isn’t just part of our strategy, it is our strategy. Everything we do serves our vision and the creation of what's next.

About the Team:

Join Capital One in Canada as we build the products that enable our millions of international Card customers. As part of a leading technology organization, you will work alongside our talented team of developers, product managers and people leaders to build cutting edge tools to accelerate developer productivity across tens of thousands of software engineers and business partners. You will drive innovation at multiple levels, helping optimize business outcomes while driving towards strong technology solutions.

At Capital One, developer experience is a business priority. The Engineering 360 (E360) team reshapes how thousands of software engineers build, test and ship code. You will focus on optimizing the developer experience from initial code commit to pull-request merge. You will architect enterprise-scale tools, pioneer cutting-edge AI integration, and eliminate workflow friction across the entire Card Technology ecosystem.

About the Role:

As a Capital One Principal Associate, Software Engineering you’ll bring your unique and extensive experience, perspective and strong communication skills to work hand in hand with tech and business leaders to shape the future technical direction of Card Tech and beyond.

You’ll help:

Drive AI-powered Developer Productivity: develop and scale modern AI developer capabilities, such as local MCP integrations, token optimization techniques, and OpenSpec standards.
Optimize the Inner Loop: standardize developer environments and speed up feedback loops using Dev Containers, smart PR validation workflows, and automated code review optimizations.
Enhance Enterprise Infrastructure: support key initiatives around GitHub ecosystem management, internal library optimization, and developer tooling efficiency at enterprise scale.
Lead and Innovate: partner closely with engineering leaders, product managers, and business stakeholder to turn developer friction into automated, high-impact solutions.

Your Responsibilities:

Work on a variety of projects focusing on full stack development, infrastructure, tooling, platform engineering, developer experience and data engineering.
Create and contribute to exciting new applications, developer platforms, internal tools or enterprise CI/CD systems.
Develop technical expertise in core tooling around containerization (Docker, Dev Containers), GitHub workflows, and modern software build systems.
Explore and evaluate new and emerging software tools, technologies, and practices.
Support building a strong engineering culture through effective communication, teamwork, collaboration, and continuous learning.
Work within and across engineering teams to design, develop, test, implement and support technical solutions across a full-stack of development tools and technologies.
Identify gaps and solve problems to completion.
Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community

Basic Qualifications:

At least 4 years of hands-on experience in Application Development using at least one or more of the following programming languages - JavaScript, Java, TypeScript, SQL, Python, or Go

Preferred Qualifications:

At least 6 years of experience in at least one of the following: JavaScript, Java, TypeScript, SQL, Python, or Go
Bachelor's, Master’s or Diploma in Computer Science, Software Engineering, Information Technology or in related field
Experience with Test Driven Development
Experience working in an Agile environment
Experience with AWS and/or AWS Certification (Solution Architect-Associate preferred)
Experience in distributed systems, API, microservices, data processing, databases(relational, NoSQL or time-series), streaming or messaging platforms, DevOps, resilience and stability

Working at Capital One.

You’ll be empowered to take end-to-end ownership of your work and your career, backed by a high-performance, hybrid culture and holistic suite of benefits designed to support your whole self.

Take ownership of your own potential: Whether you’re looking to upskill, pivot into new business areas, or master your craft, you’ll have access to tools and mentorship to reach your potential and define your career trajectory.
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.
Benefits built for your life: We take a holistic approach to well-being, providing support for you and those who are most important to you. This includes: full coverage for spouses, domestic partners and dependents, a one-time Work From Home allowance to build your comfortable workspace, up to $3,000 in mental health coverage and up to $5,000 in annual tuition subsidies.

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 range for this position is $148,200 - $169,100. This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es). Incentives could be discretionary or non discretionary depending on the plan..

We embrace 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.

Capital One Canada is an equal opportunity employer committed to fostering a diverse and inclusive work environment. We consider all qualified applicants and will meet the needs of those requiring reasonable accommodations.

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).

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More about this job

Responsibilities

You will architect enterprise-scale tools and optimize developer productivity by standardizing environments and automating workflows. The role involves collaborating with engineering leaders to integrate AI-powered capabilities and improve the overall developer experience across the Card Technology ecosystem.

Requirements

Candidates must have at least 4 years of hands-on experience in application development using languages such as Java, JavaScript, TypeScript, SQL, Python, or Go. A bachelor's degree or equivalent in a technical field is preferred, along with experience in Agile environments and cloud infrastructure.

Skills

Software engineering
Full stack development
Infrastructure
Platform engineering
Developer experience
Data engineering
Containerization
GitHub workflows
CI/CD systems
Java
JavaScript
TypeScript
SQL
Python
Go
Agile

Benefits

Health insurance
Mental health coverage
Tuition subsidies
Work from home allowance
Performance based incentive compensation

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Developer Experience
AI Integration
Full Stack Development
Infrastructure
Platform Engineering
Data Engineering
CI/CD
Docker
Dev Containers
GitHub
Java
JavaScript
TypeScript
SQL
Python
Go
Agile
AWS
Microservices
API
Distributed Systems
DevOps
Test Driven Development
Banking
Machine Learning
Conversational AI
Design Thinking
Automation
Enterprise Scale

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