Senior Full Stack Developer

Moneris; Toronto; Hybrid; CAD 100,000 - 142,000; Full time

Job summary

Moneris in Toronto is seeking a Senior Full Stack Developer to design and build secure, scalable backend services, APIs, and content-driven frontends that connect SaaS, enterprise systems, and GenAI capabilities.

You will mentor engineers, influence technical direction, and work across multi-cloud environments with IaC, secure authentication, and agile practices. The role offers hybrid work with ongoing growth opportunities.

Qualifications

• 7+ years building production-grade software across backend and frontend.
• Experience designing APIs and event-driven architectures with SaaS/enterprise integrations.
• Proficiency in a modern backend language and a modern frontend framework.
• Cloud experience across Azure/AWS/GCP with security/compliance focus.
• Secure authentication/authorization flows and data protection practice.
• Strong SQL, data modeling, and IaC experience (Terraform/Bicep).
• Shift-Left SDLC in Agile teams using Jira and Confluence.

Responsibilities

• Design and build secure backend services and integrations across SaaS, enterprise, and AI capabilities.
• Develop APIs, webhooks, and service integrations with internal and third-party systems.
• Build content-driven frontend applications backed by APIs.
• Integrate AI/GenAI capabilities into customer- and employee-facing products.
• Implement secure authentication and authorization flows for enterprise security.
• Create event-driven pipelines and data flows powering features and analytics.
• Manage cloud infrastructure with IaC (Terraform/Bicep).
• Mentor engineers through code reviews and knowledge sharing.

Skills

Full-stack development

API design

Security & compliance

Agile teamwork

Mentorship

Tools

Java

C# / .NET

Node.js

Go

React

Angular

Vue

Azure

AWS

GCP

Terraform

Bicep

Jira

Confluence

Job description

Your Moneris Career – The Opportunity: Senior Full Stack Developer

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.

Reporting Relationship

You will report to the Manager of Software Development.

Posting Type

New Position

Salary Range

The expected base salary range for this role is $100,000 - $142,000. Total compensation may also include variable or discretionary incentive components, including but not limited to bonuses and commissions. Individual job offers are determined by various factors, including experience, education, skills, certifications, and other business needs.

Your Moneris Career – What you'll do

• 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.

Required qualifications

• 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.

Preferred qualifications

• 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.
• #TECH-IND

AI Disclosure

We may use AI-enabled tools to screen, select, and assess applications. All AI outputs are reviewed and validated by our recruitment team.

Note: We welcome and encourage applications from Indigenous peoples, people of colour, people with disabilities, people of all genders, sexual orientation and intersectional identities.

We acknowledge that people from equity‑deserving groups (including racialized individuals, women, gender diverse individuals, individuals with disabilities, neurodivergent individuals, members of 2SLGBTQIA+ communities and those born outside of Canada) are less likely to apply for jobs unless they feel they meet all the requirements posted. At Moneris, we believe candidates bring experience to their work in many ways. We encourage you to apply and share, in the application form, the transferrable experience you bring, and how this will support your success in this role.