Senior Web Application Developer Jobs in Ontario

Requisition ID: 260056 
Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.

We are looking for a Senior Web Developer to design, build, and scale high quality web applications that support critical business and customer experiences. This role is hands on and technical, with strong expectations around system design, code quality, performance, security, and mentoring less experienced developers.

You will partner closely with product managers, designers, backend engineers, and platform teams to deliver resilient, accessible, and performant web solutions aligned with enterprise standards.

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

• Design, develop, test, and maintain modern, responsive web applications using contemporary frontend frameworks and tooling.
• Translate business and product requirements into wellarchitected technical solutions that scale securely and reliably.
• Lead frontend technical design, including component architecture, state management, and API integration patterns.
• Ensure applications meet performance, security, accessibility (WCAG), and browser compatibility standards.
• Write clean, maintainable, and welldocumented code; conduct and participate in code reviews.
• Collaborate with UX/UI designers to ensure intuitive, polished, and usercentric experiences.
• Work closely with backend, DevOps, and cloud platform teams to support endtoend delivery.
• Identify and remediate technical debt; continuously improve development standards and practices.
• Provide technical mentorship and guidance to intermediate and junior developers.
• Support production releases and contribute to incident resolution and rootcause analysis when required.

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

• 8+ years of professional experience in web application development.
• Strong expertise with JavaScript/TypeScript, PHP, HTML5, and CSS3.
• Deep handson experience with modern frameworks such as React, Angular, or Vue (React preferred).
• Proven experience building componentbased architectures and consuming RESTful and/or GraphQL APIs.
• Solid understanding of web performance optimization, security best practices (OWASP), and accessibility standards.
• Experience with modern build tools and ecosystems (e.g., Webpack, Vite, npm/yarn, CI/CD pipelines).
• Strong debugging, problemsolving, and analytical skills.
• Excellent communication skills and the ability to explain technical concepts to nontechnical stakeholders.

NicetoHave

• Experience working in large, enterprise or regulated environments.
• Familiarity with cloud platforms (Azure, AWS, or GCP).
• Exposure to backend technologies (Node.js, Java, .NET) and microservices architectures.
• Experience with testing frameworks (Jest, Cypress, Playwright).
• Knowledge of design systems and enterprise UX standards.
• Prior experience leading or owning frontend technical strategy on major initiatives.

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.