Senior Engineer – Application & Integration

TD•Toronto, ON

2d•CA$126,800 - CA$164,100•Onsite

About The Position

The Senior Engineer - Application & Integration is a hands-on technical lead responsible for the stability, security, integration, and lifecycle management of one or more critical technology platforms within a large Canadian banking environment. This role combines deep technical expertise with operational ownership, vendor engagement, and cross-functional leadership to ensure platforms meet business, regulatory, and operational expectations. The role operates across design, delivery, production support, and continuous improvement, with accountability for technology outcomes in a complex, regulated environment.

Requirements

10+ years of progressive experience in senior technical engineering roles covering system design, integration, and production support
5+ years of experience within Banking or Financial Services IT environments
Strong sense of ownership, accountability, and client focus
Excellent written and verbal communication skills
Strong analytical, troubleshooting, and problem-solving abilities
Solid understanding of ITIL fundamentals, incident/problem/change management
Experience working across SDLC and STLC methodologies (Agile/Scrum and Waterfall)
Operating Systems: Windows, Linux
Cloud / Infrastructure: Azure and virtualized environments (VMware fundamentals)
Programming / Scripting: PowerShell, JavaScript (Vanilla / Node / jQuery), SQL, JQL
Databases: Microsoft SQL Server
Data Formats: JSON, XML
Integration Technologies: REST APIs, MQ, Web Services, SFTP
Testing & Automation: Postman, Selenium
Security & Architecture: OAuth, TLS, certificate management, standard architectural patterns, networking fundamentals
Tooling: Jira, Confluence, Bitbucket/Git, Visio, MS Office (Outlook, Word, Excel)

Nice To Haves

Experience with TD Bank (or large Canadian bank) IT tooling, platforms, and delivery processes
Domain knowledge of Trade Finance & Working Capital products in areas of Core Trade (Letters of Credit, Stand-by Letters of Credit, Documentary Collections) and Supply Chain Finance (Payables, Receivables, and Dynamic Discounting).
Additional programming experience (C#, Java, Shell scripting, VBScript, COBOL, JCL, DB2)
Industry certifications such as TOGAF, ITIL, CSA, PMP
Willingness to continuously develop technical and domain expertise
Comfortable working in high-availability, high-pressure production environments
Ability to collaborate effectively within large, matrixed organizations
Flexibility to support after-hours on-call rotations and planned deployments

Responsibilities

Act as Technology Application Lead for assigned platforms, accountable for availability, resilience, performance, security, and compliance across non-production and production environments
Own platform lifecycle activities including onboarding, upgrades, patching, decommissioning, and technical debt remediation
Ensure adherence to enterprise standards, regulatory requirements, and internal risk, security, and audit controls
Provide 3rd-level production support and participate in on-call rotations, including incident triage, root cause analysis, and permanent fix implementation
Drive problem management, post-incident reviews, and continuous service improvement initiatives
Lead technical design and system integration efforts across internal platforms and third-party/vendor solutions
Translate business and non-functional requirements into robust, scalable technical designs
Guide vendors and internal delivery teams on architecture, integration patterns, security controls, and implementation standards
Perform hands-on engineering activities including configuration, scripting, automation, troubleshooting, and deployment support
Support the introduction of new platform capabilities from concept through production readiness
Contribute to and support planning, execution, and automation of functional, integration, and non-functional testing
Ensure production readiness, release quality, rollback strategies, and operational documentation are in place
Partner with delivery, operations, and risk teams to support controlled change execution
Provide technical leadership, coaching, and mentorship to junior engineers and project team members
Partner closely with business stakeholders, architects, risk, security, operations, and vendors
Contribute to team capability uplift by identifying skill gaps, process improvements, and tooling enhancement
Communicate complex technical concepts clearly to both technical and non-technical audiences