Senior Full Stack Developer

Moneris • Toronto, ON

14d • CA$100,000 - CA$142,000 • Hybrid

About The Position

Design and build secure, scalable backend services, integrations, and content-driven frontends that unify SaaS platforms, enterprise systems, and AI capabilities into cohesive digital products. You will join a team building the integration backbone that connects enterprise platforms — CRM, content, communications, and data systems — with emerging GenAI (Generative Artificial Intelligence) capabilities embedded into customer and employee experiences. You will shape architecture across APIs, event-driven pipelines, and responsive frontends, working in a multi-cloud environment with Infrastructure as Code, secure authentication flows, and enterprise compliance. You will partner with Product, Data, and business teams, navigate architecture and security reviews, and uphold Shift-Left SDLC discipline. Expect meaningful mentorship, influence over technical direction, and room to evolve tooling and practices for speed, quality, and long-term maintainability. Location: You will be based in our Toronto office, balancing in-office collaboration with remote flexibility.

Requirements

• 7+ years building production-grade software across backend and frontend, spanning system integration and content-driven web applications.
• Strong experience designing and maintaining APIs and service-based or event-driven architectures, with hands-on third-party SaaS and enterprise integration.
• Strong proficiency in a modern backend language (Java, C# / .NET, Node.js, Go, or similar) and a modern frontend framework (React, Angular, Vue, or similar).
• Hands-on experience with a major cloud platform (Azure, AWS, or GCP) across compute, identity, messaging / eventing, and serverless.
• Experience implementing secure authentication and authorization flows within security and compliance requirements.
• Solid SQL, data modeling, and Infrastructure as Code (Terraform, Bicep, or similar) experience.
• Strong knowledge of Shift-Left SDLC practices including unit and integration testing, delivered in Agile teams using Jira and Confluence.

Nice To Haves

• Experience integrating AI or GenAI platforms into digital products.
• Experience with headless / decoupled content architectures and frameworks supporting server-side or static rendering.
• Familiarity with analytics, logging, monitoring, and streaming / event-driven patterns at scale.
• Experience in fintech, payments, SaaS, or other regulated environments.

Responsibilities

• Design and build secure, scalable backend services and integration layers spanning SaaS, enterprise, and AI capabilities.
• Design, build, and maintain APIs, webhooks, and service-to-service integrations across internal and third-party systems.
• Build content-driven frontend applications backed by APIs, turning structured content and data into responsive user experiences.
• Integrate AI and GenAI capabilities into customer- and employee-facing digital products.
• Implement secure authentication and authorization flows meeting enterprise security and compliance requirements.
• Build event-driven pipelines and data flows powering product features, automation, and analytics.
• Manage cloud infrastructure and deployments using Infrastructure as Code such as Terraform or Bicep.
• Mentor engineers through code reviews, pairing, and knowledge sharing to raise team capability.

Benefits

• Total compensation may also include variable or discretionary incentive components, including but not limited to bonuses and commissions.
• remote flexibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed