- # Principal Associate, Software EngineeringApply: Toronto, ON: Full time: Posted Today: R1003126161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Principal Associate, Software EngineeringAbout 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 solid 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 GoPreferred

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 stabilityWorking 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.
* T

📌 Principal Associate, Software Engineering (Canada)
🏢 Capital One Group
📍 Canada