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Senior Full Stack React Developer

Sun Life of Canada - Corporate
Full Timesenior
CAPosted March 18, 2026

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JavaScriptHTMLCSSReactNode.jsBootstrapAgile

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Job Description

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do. Discover how you can make a difference in the lives of individuals, families and communities around the world. Job Description: 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 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
  • Experience working with teams to analyze and contribute ideas to production discussions, designs and decisions 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 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 2024 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. As a hybrid organization, you and your leader use business and Client needs to choose where you work, at home or in the office 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. Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds. Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com. 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. We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted. Salary Range: 90,000/90 000 - 140,000/140 000 Job Category: IT - Application Development Posting End Date: 03/04/2026 Shine together At Sun Life, you can be your most brilliant self. Our supportive, flexible, and inclusive work environment is one where you – and your career – can thrive. Whatever your aspirations, collaborative leaders and colleagues are ready to help you learn, grow, and succeed. Make life brighter We’re a global company with a passion for people. Our purpose is to help Clients achieve lifetime financial security and live healthier lives. As a team of 30,000 across 26 countries, our impact is far-reaching, and locally relevant There’s power in numbers. As part of Sun Life’s growing team, you have an impact on people in your community and around the world. Shape the future With an optimistic eye on a brighter future, we drive to innovate. Be part of leading change, push boundaries and try new ways of working. Use data to drive bold actions. Be agile and pivot as we test and learn. At Sun Life, we’re driving transformation, sustainability and innovation for our Clients, employees, partners, and communities. Join us. Together, we can make the future brighter. Join a top employer for a brighter future. Visit Sun Life Careers

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