Senior Developer (Toronto, ON, CA, M5A 3X5)

Requisition ID: 278391

Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.

The Product Onboarding team is seeking a hands-on Senior Engineer to design and deliver modern, cloud-native onboarding applications using JavaScript, TypeScript, MongoDB, Express.js, React, and Node.js. The role combines deep individual contribution with technical leadership across web applications and services, including solution design, production support, engineering standards, operational readiness, and mentorship of other team members.

Is this role right for you? In this role, you will

• Champion a customer-focused culture and leverage broader Bank relationships, systems, and knowledge.
• Design and deliver full-stack applications using JavaScript, TypeScript, MongoDB, Express.js, React, and Node.js.
• Build responsive, accessible React user experiences using reusable components and modern state-management patterns.
• Develop secure, scalable Node.js and Express.js APIs, middleware, and backend-for-frontend services.
• Design MongoDB data models, queries, indexes, and access patterns for performance and reliability.
• Provide technical direction for complex features and cross-application solutions.
• Guide modular application design, API contracts, authentication, caching, and event-driven integrations.
• Promote secure coding, dependency management, data protection, and automated security scanning.
• Establish and reinforce unit, integration, API, end-to-end, and regression testing practices.
• Own complex work from investigation and design through release, validation, and closure.
• Lead technical investigations, root-cause analysis, corrective actions, and incident learning.
• Use logs, traces, metrics, and diagnostics to troubleshoot web applications and distributed services.
• Identify technical risks, dependencies, performance constraints, and operational gaps early.
• Drive CI/CD, rollback planning, release support, and post-production validation.
• Partner with Product, Design, QA, architecture, cloud, security, SRE, and dependent application teams.
• Mentor junior team members, conduct code and design reviews, and raise engineering standards across the team.
• Influence technical decisions and align contributors without relying on formal authority.
• Create and maintain technical documentation, runbooks, and knowledge-transfer materials.
• Drive reuse, automation, simplification, quality improvements, and operational efficiency.
• Contribute hands-on development for critical initiatives and production fixes.
• Ensure application health, software currency, resiliency, vulnerability remediation, and audit readiness.
• Communicate technical findings, risks, recommendations, and next steps clearly to stakeholders.
• Understand how the Bank’s risk appetite and risk culture should be considered in day-to-day activities and decisions.
• Actively pursues effective and efficient operations of their respective areas in accordance with Scotiabank’s Values, its Code of Conduct and the Global Sales Principles, while ensuring the adequacy, adherence to and effectiveness of day-to-day business controls to meet obligations with respect to operational, compliance, AML/ATF/sanctions and conduct risk.
• Champion a high-performance, collaborative, accountable, and inclusive work environment.

Do you have the skills that will enable you to succeed in this role? We'd love to work with you if you have

• 10+ years of software development experience supporting complex, customer-facing platforms.
• Strong hands-on expertise in JavaScript, TypeScript, React, Node.js, Express.js, and MongoDB.
• Experience designing component-based React applications, reusable UI libraries, and responsive, accessible interfaces.
• Experience building secure REST APIs, middleware, microservices, and backend-for-frontend services with Node.js and Express.js.
• Experience with MongoDB schema design, indexing, query optimization, and transaction patterns.
• Strong knowledge of asynchronous programming, error handling, API versioning, caching, and event-driven integration.
• Experience with OAuth 2.0, JWT, session management, and secure service-to-service integration.
• Experience with Jest or equivalent testing tools and modern unit, integration, API, and end-to-end testing practices.
• Experience with CI/CD, Git-based development, artifact management, and automated security scanning.
• Experience with observability platforms for logging, tracing, metrics, alerting, and production diagnostics.
• Strong knowledge of application performance, resiliency, accessibility, dependency management, and security.
• Proven ability to mentor junior members, conduct code and design reviews, and influence technical direction.
• Demonstrated ownership of complex delivery and production issues from investigation through resolution.
• Strong problem-solving, technical judgment, communication, and cross-functional collaboration skills.
• 4+ years of experience working in Agile delivery models such as Scrum or Kanban.

What's in it for you?

• Diversity, Equity, Inclusion & Allyship - We strive to create an inclusive culture where every employee is empowered to reach their fullest potential, respected for who they are, and are embraced through bias-free practices and inclusive values across Scotiabank. We embrace diversity and provide opportunities for all employee to learn, grow & participate through our various Employee Resource Groups (ERGs) that span across diverse gender identities, ethnicity, race, age, ability & veterans.
• Accessibility and Workplace Accommodations - We value the unique skills and experiences each individual brings to the Bank, and are committed to creating and maintaining an inclusive and accessible environment for everyone. Scotiabank continues to locate, remove and prevent barriers so that we can build a diverse and inclusive environment while meeting accessibility requirements.
• Upskilling through online courses, cross-functional development opportunities, and tuition assistance.
• Competitive Rewards program including bonus, flexible vacation, personal, sick days and benefits will start on day one.
• Dynamic Ecosystem - Free tea & coffee, universal washrooms, and lots of space for team collaboration.
• Community Engagement - No matter where you choose to work from; we offer opportunities for community engagement & belonging with our various programs.

Location(s): Canada : Ontario : Toronto

Scotiabank is a leading bank in the Americas. Guided by our purpose: "for every future", we help our customers, their families and their communities achieve success through a broad range of advice, products and services, including personal and commercial banking, wealth management and private banking, corporate and investment banking, and capital markets.

At Scotiabank, we value the unique skills and experiences each individual brings to the Bank, and are committed to creating and maintaining an inclusive and accessible environment for everyone. If you require accommodation (including, but not limited to, an accessible interview site, alternate format documents, ASL Interpreter, or Assistive Technology) during the recruitment and selection process, please let our Recruitment team know. If you require technical assistance, please click here . Candidates must apply directly online to be considered for this role. We thank all applicants for their interest in a career at Scotiabank; however, only those candidates who are selected for an interview will be contacted.