Open Finance Lead API Architect

12/27/2026

Address:

100 King Street WestTechnology

Open Finance Lead API Enterprise Architecture

• Lead the enterprise Open Banking and Open Finance architecture strategy, roadmap, governance, and delivery, ensuring alignment with business objectives, regulatory requirements, and technology modernization initiatives.
• Define and maintain global Open Banking reference architectures, API standards, data models, and implementation patterns aligned with regulatory standards.
• Architect secure customer-permissioned data sharing, payment initiation, and third-party ecosystem integrations leveraging OAuth 2.0, OpenID Connect, FAPI, PKCE, mTLS, strong customer authentication, and modern API security practices.
• Lead the architecture of real-time, domestic, and cross-border payment capabilities, ensuring alignment with ISO 20022 and enterprise payment platforms.
• Translate business, regulatory, privacy, risk, and security requirements into scalable, resilient, cloud-native API and integration architectures.
• Provide architectural leadership and governance across product, engineering, cybersecurity, identity, data, payments, operations, compliance, legal, and vendor organizations throughout the solution lifecycle.
• Establish enterprise API and microservices architecture principles, standards, roadmaps, taxonomies, and reusable assets to accelerate digital transformation and modernization.
• Serve as a trusted advisor to senior executives, regulators, and industry partners on Open Banking, Open Finance, API, payments, cloud, and security strategies.
• Evaluate emerging technologies, platforms, and industry trends, developing proofs of concept and strategic recommendations to advance the organization's Open Finance capabilities.
• Represent the organization in industry forums, standards bodies, and working groups, leading discussions and contributing to the development and evolution of Open Banking, Open Finance, API, FDX, payment, and security standards.

Qualifications:

• 15+ years of technology experience, including 10+ years in enterprise, application, or solution architecture within financial services.
• Proven lead architect experience delivering Open Banking, Open Finance, API, and payment solutions in regulated financial institutions.
• Deep knowledge of global Open Banking standards, including UK Open Banking, Australia CDR, Brazil Open Finance, PSD2/PSD3, Berlin Group, FDX, and emerging industry frameworks.
• Hands-on implementation experience with FDX, ISO 20022, payment initiation, real-time payments, clearing, settlement, and enterprise payment platforms.
• Expert knowledge of API security, including OAuth 2.0, OpenID Connect, FAPI, PKCE, mTLS, private key JWT, consent management, and strong customer authentication.
• Proven cloud and security architecture experience across Azure, AWS, or Google Cloud, including API gateways, Kubernetes, IAM, Zero Trust, encryption, observability, CI/CD, and threat modeling.
• Strong expertise in API, microservices, event-driven architecture, integration patterns, API management platforms, and modern engineering practices.
• Experience defining enterprise architecture standards, reference architectures, data models, governance frameworks, and technology roadmaps.
• Strong technical background with software development experience in modern programming languages and cloud-native technologies.
• Active participation in industry standards bodies and working groups, contributing to the development and evolution of Open Banking, Open Finance, FDX, payment, and API security standards.
• Recognized technology leader with strong executive communication, stakeholder management, vendor management, influence, problem-solving, and cross-functional leadership skills.
• Demonstrated ability to lead large-scale transformation initiatives, modernize legacy platforms, and drive innovation across complex enterprise environments.

$85,500.00 - $185,000.00Salaried

The above represents BMO Financial Group’s pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group’s expected target for the first year in this position.

BMO Financial Group’s total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit: https://jobs.bmo.com/global/en/Total-Rewards

About Us

At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one – for yourself and our customers. We’ll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we’ll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https://jobs.bmo.com/ca/en.

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other’s differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.