Senior Software Engineer, Full Stack

Sun Life

Senior full-stack engineer building and modernizing Suncentral and Advisor Hub for Sun Life’s independent advisors. Delivering compliant Java/Spring and React features for financial security.

Posted 8/21/2026full-timeToronto • 🇨🇦 CanadaSenior💰 CA$90,000 - CA$140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive full-stack development expertise with strong proficiency in Java, Spring, and React, alongside a solid understanding of API development and database management. Capable of collaborating effectively in agile environments while mentoring team members and driving engineering best practices.

Highest-signal resume keywords

Full-Stack DevelopmentJava / Spring / Spring BootAPI DevelopmentReact and React RouterSQL Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentJavaSpringSpring BootAPI DevelopmentReactJavaScriptTypeScriptSQLHTML5

Soft Skills

Clear CommunicatorCollaborativeSelf-DirectedProblem-SolvingMentoring

Tools & Technologies

BitBucketJenkinsCDDRESTOpenAPIAJAXSOAPMongoDBSQL ServerOracle

Industry Keywords

Financial ServicesInsurance TechnologyComplianceAudit RequirementsAgile Methodologies

Tech Stack

Tools & technologies

ASP.NETJavaJavaScriptJenkinsMongoDBNoSQLOracleReactSDLCSOAPSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

Design, build, and ship full-stack features on Suncentral and Advisor Hub from refinement through production
Write clean, well-tested, maintainable code integrating with back-end services and front-end surfaces
Contribute to technical discussions with the Tech Lead on approaches, trade-offs, and implementation options
Modernize legacy application components with current, maintainable solutions
Collaborate with Journey Owners, Scrum Masters, and Tech Leads to estimate work, flag risks, and deliver sprint commitments
Analyze downstream impacts of changes on infrastructure and system behaviour
Support less experienced team members through code reviews and informal pairing as capacity allows
Participate in agile ceremonies and continuous team improvement

Requirements

What you’ll need

5+ years of progressive full-stack development experience, including full SDLC and systems integration
Strong Java / Spring / Spring Boot
API development proficiency: REST, OpenAPI, AJAX, SOAP; middleware and web hosting technologies
Front-end fluency in React and React Router, including component lifecycle, hooks, state management, SPA architecture, async rendering, and client-side routing
Strong JavaScript / TypeScript, including ES6+ features such as async/await, promises, destructuring, modules, and arrow functions
Solid HTML5 and CSS3; responsive design principles
SQL expertise across relational databases (SQL Server, Oracle) and NoSQL (MongoDB)
Hands-on experience with DevOps tooling: BitBucket, CDD, Jenkins
Self-directed, able to ramp up quickly, take ownership, and deliver within fixed timeframes
Clear communicator who surfaces defects with reproducible steps and root-cause insight
Technically credible, with strong code, review, and problem-solving abilities
Collaborative and able to champion engineering best practices
Familiarity with C# / ASP.net is an asset
Experience in financial services or insurance technology is nice to have
Familiarity with Suncentral, Advisor Hub, or similar advisor-facing platforms is nice to have
Experience in large-scale enterprise environments with compliance and audit requirements is nice to have
Occasional travel between Sun Life locations in Toronto and Waterloo may be required
Periodic weekend/after-hours work may be required for project implementations and system upgrades

Benefits

Comp & perks

Work that matters — directly enabling advisors to deliver financial security to Canadians
Flexible work style — Office, Virtual, or Hybrid depending on your role
Competitive salary
Bonus structure
Sun Life benefits package
Career mobility within one of Canada's largest financial services organizations
Access to continuous learning
Internal mobility
Engineering community of practice
Choice and flexibility to work from both the office and virtually based on business, client, and employee needs
Accommodation support in the application process and alternative job posting formats