TechnologyThe Senior Software Development Lead provides hands-on technical leadership for the design, development, modernization and production stability of enterprise wire payment services. The role will mainly focus on the cloud-native applications while supporting integration with on-prem applications and upstream/downstream systems. The successful candidate will combine solid AWS serverless engineering capability with application design, coding, troubleshooting and delivery leadership.

This person will guide internal and vendor developers, review designs and code, drive resilient implementation patterns, and remain actively involved from requirements and estimation through production implementation and post-release verification. Provide hands-on technical leadership for the design, development and modernization of wire payment services. Translate business and regulatory requirements into scalable, secure and resilient cloud-native solutions.

Design, develop and review AWS serverless applications using Node.js, Lambda, DynamoDB, SQS, SNS, EventBridge, S3, APIs and AWS CDK. Lead solution design, code reviews, technical documentation, effort estimation and implementation planning. Establish engineering standards for resiliency, error handling, retry, recovery, observability, security and performance.

Partner with QA on unit, integration, white-box, regression, performance, chaos and production-readiness testing. Diagnose complex production issues, lead root-cause analysis and ensure permanent corrective actions are implemented. Provide technical guidance to internal and vendor developers, ensuring quality, accountability and knowledge transfer.

Promote automation and approved AI-assisted engineering practices to improve delivery speed, testing effectiveness and code quality.

Required technical skills:



AWS and cloud-native engineering AWS Lambda CloudWatch or comparable logging and monitoring AWS CDK and Infrastructure as Code Application development: Node.js and Java is a bonus REST APIs and backend service development CI/CD pipelines and automated deployment Code review, troubleshooting and performance analysis Production incident diagnosis and root-cause analysisNFR, performance, chaos and fallback testing Technical documentation and architecture review AWS Certified Developer Associate or AWS Certified Solutions Architect Associate.

Experience with wire payments, financial messaging or other high-value payment systems is a bonus Knowledge of ISO 20022, SWIFT, Fedwire, Lynx or payment-message processing is a bonus Experience applying AI-assisted development, test design, log analysis or code-quality tooling. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. the company’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.

It calls on us to create lasting, positive change for our customers, our communities and our people. 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. Accommodations are available on request for candidates taking part in all aspects of the selection process. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes. #

📌 Senior Development Lead - (Cloud /Payment Systems) (Toronto)
🏢 United States Digital Space
📍 Toronto