MERN Stack Developer

We are seeking a Senior Full Stack Software Engineer to help drive the roadmap for our Group Benefits Experience assets, our primary digital gateway for Clients and Members managing their benefits and health, and a core part of how Canadians experience benefits online.

This is an opportunity for an experienced engineer who is passionate about technical excellence, architecture, and building strong, healthy engineering teams in a fast-paced, outcome-driven environment. You’ll bring clarity amid shifting priorities, take ownership of complex engineering work, enable sustainable delivery without compromising quality, and help foster a culture that embraces modern engineering practices, including the thoughtful use of AI.

• Shape and evolve the end-to-end architecture in partnership with Architecture, Product and Platform teams, influencing technical strategy to modernize our stack and deliver incremental, high-value outcomes.

Location:

Toronto / Waterloo

Hybrid (Tue-Thur 8:00 AM EST – 5 PM EST)

We are seeking a Senior Full Stack Software Engineer to help drive the roadmap for our Group Benefits Experience assets, our primary digital gateway for Clients and Members managing their benefits and health, and a core part of how Canadians experience benefits online.

In this role, you’ll lead the evolution of modern, scalable web applications built with JavaScript/Type Script, React, Redux, Node.js, Express.js, GraphQL, RESTful APIs, MongoDB and more, while also guiding the modernization of existing .NET and Java systems. You’ll work closely with Software, Quality and Platform Engineers in a collaborative, quality-focused team that takes pride in building reliable, performant, secure, and responsive software.

This is an opportunity for an experienced engineer who is passionate about technical excellence, architecture, and building strong, healthy engineering teams in a fast-paced, outcome-driven environment. You’ll bring clarity amid shifting priorities, take ownership of complex engineering work, enable sustainable delivery without compromising quality, and help foster a culture that embraces modern engineering practices, including the thoughtful use of AI.

• Shape and evolve the end-to-end architecture in partnership with Architecture, Product and Platform teams, influencing technical strategy to modernize our stack and deliver incremental, high-value outcomes.

• Design, build, and operate scalable, secure, and high-performing solutions across React front ends, Node.js and Express.js APIs, GraphQL, RESTful services, MongoDB, and .NET/Java ecosystems, ensuring long-term maintainability and performance.

• Develop and maintain modern front-end components using React.js, with a focus on clean design, responsiveness, accessibility, performance, and reusable UI patterns.

• Build, manage, and evolve back-end services and APIs using Node.js, including RESTful and asynchronous patterns that support scalable digital experiences.

• Debug and resolve technical issues across the full stack, identifying root causes and implementing durable, maintainable solutions.

• Elevate engineering maturity by driving best practices in testing, deployment, CI/CD, automation, and operational excellence, using telemetry and observability tools such as New Relic and Moogsoft to continuously improve reliability and system performance.

• Deliver high-quality software through disciplined craftsmanship, balancing speed with innovation while consistently raising the bar on code quality.

• Write clean, modular, efficient, and scalable code with strong…