Senior Full Stack React Developer

Sun Life Financial, Inc.

$90K — $140K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of hands-on frontend development experience
  • Proficient in JavaScript/ES6, React.js, HTML, CSS/SCSS
  • Experienced with Bootstrap or similar frameworks
  • Knowledgeable in web accessibility guidelines and tools
  • Mentor in responsive design and cross-platform testing
  • Adept in building single page applications
  • Familiar with AI tools like CoPilot

Responsibilities

  • Collaborate with system designers and analysts for quality solution delivery
  • Take accountability for project deliverables
  • Engage in business requirements and design reviews
  • Contribute to projects from initiation to implementation
  • Propose UI improvements to enrich client experience

Benefits

  • Recognized as a 2026 Best Workplace in Ontario
  • Top-level certification for mental health excellence
  • Wellness programs for mental, physical, and financial health
  • Opportunities for diverse career paths and networking
  • Hybrid work flexibility to accommodate individual needs
Full Job Description
Job Description:

Role Summary

Join our Front-end Design and Development Practice in where you will be creating one of a kind User Interfaces and innovative digital experiences across several mediums.
Our leading edge and innovative team will lead the design & development of Creative front end solutions across various lines of business and when appropriate partner with 3rd parties to ensure we continue to be the Industry leaders from a UI perspective.

What Will You Do?
• As a part of a development team, interface with system designers, business system analysts, application analysts and testing specialists to deliver high quality solutions
• Participate in the development and take accountability for deliverables
• Participate in various review processes - i.e. Business Requirements, Test plans, Design reviews etc. to gain understanding of the application and provide input into the deliverables
• Contribute to projects from initiation through planning, requirements, construction to implementation and post-implementation reviews
• Suggest improvements to existing code to make a better UI experience for our clients

What Do You Need to Succeed?
• 5+ years of Professional, hands-on frontend development experience
• Proficiency with JavaScript/ES6, React.js, HTML, CSS/SCSS, Webpack, XML/JSON
• Proficiency with Bootstrap or similar frameworks such as Foundation
• Experience with web accessibility guidelines, accessibility tools, and assistive technologies
• Proficiency with developer tools and debugging techniques
• Expertise in developing responsive web design and testing across multiple browsers, devices and
platforms
• Experience building single page applications
• Keep up to date with trends and changes in the UI space
• Proficient with AI tools like CoPilot to accelerate development steps, troubleshooting and unit test code coverage
• Experience working with teams to analyze and contribute ideas to production discussions, designs and decisions

Nice to Have
• Experience with Design Systems (Storybook.js etc)
• Experience with web development stacks including Parsley.js, AXIOS, react-bootstrap, React Context, Node.js etc.
• Familiarity with Adobe Experience Manager
• Experience working in an Agile development environment

What's in it for you:
  • We're honoured to be recognized as a 2026 Best Workplaces in Ontario by Great Place to Work® Canada.
  • We are thrilled to be recognized by Excellence Canada with their top-level certification, the Canada Order of Excellence for Mental Health at Work®, for prioritizing employee well-being, fostering a positive work culture, and achieving excellence in mental health.
  • Wellness programs that support the three pillars of your health - mental, physical, and financial
  • The opportunity to move along a variety of career paths with amazing networking potential


The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you! Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

Salary Range:
90,000/90 000 - 140,000/140 000

Job Category:
IT - Application Development

Posting End Date:
22/07/2026

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