Senior Software Engineer

# Senior Backend Engineer **Location:** Remote Canada **Expected Salary Range:** $130,000 - $170,000 CAD, depending on experience and qualifications **Role Type:** New Role **Scheduled Weekly Hours:** 37.5 **Number of Openings Available:** 1 **Worker Type:** Regular **AI Disclosure:** AI is used to screen, assess, or select applicants for this role ## Overview We're a software company at the start of building a brand-new, highly visible SaaS application. This is a rare opportunity to help shape the technical foundation: you'll help set technical direction, establish engineering standards, and ship foundational capabilities that will shape the product for years. We're looking for a motivated senior engineer who thinks and builds with an AI-first mindset—someone excited about agentic AI workflows, automation, and using modern AI tooling to accelerate delivery without compromising quality. This project will be using AI-Development Life Cycle (AI-DLC) to drive the creation, testing and deployment of this application. In this role, you'll design and implement core backend systems using .NET/C# and proven architectural patterns such as Event Sourcing, CQRS, Domain-Driven Design (DDD), and Vertical Slice (vertical event-sourced) architectures. You'll work in a cloud-native environment leveraging AWS, PostgreSQL, RabbitMQ, and Docker, contributing to a platform built for scale, reliability, and rapid iteration. You'll also be a technical leader—taking ownership, mentoring others, and helping define best practices for a high-performing team. ## Responsibilities - Own major components of a new SaaS platform from design through production - Build event-sourced, CQRS-based services in C#/.NET using DDD principles - Design clean domain models, message contracts, and integration patterns using RabbitMQ - Deliver cloud-ready solutions using Docker and AWS (deployment, observability, reliability) - Apply an AI-first approach to engineering: agentic AI tools, automated workflows, code generation/review, test generation, and productivity accelerators - Partner with product and engineering leaders to define architecture, standards, and delivery practices - Write high-quality, well-tested, maintainable code and raise the bar through reviews and mentorship ## Must Have - AI-first mentality with practical experience using AI tools to accelerate development - Senior-level experience building production systems with C#/.NET - Hands-on experience with Event Sourcing and CQRS in real-world systems - Strong working knowledge of Domain-Driven Design (DDD) - Experience with Vertical Slice architecture (or similar modular service boundaries) - Solid experience with PostgreSQL - Experience with asynchronous messaging and integration patterns, ideally RabbitMQ - Experience containerizing services with Docker - Experience building/operating cloud-hosted applications, ideally on AWS - Familiarity with agentic AI concepts (autonomous workflows, tool-using agents, orchestration, evaluation/guardrails) and excitement to apply them in day-to-day engineering - Strong ownership mindset: you ship, you improve, you operate, you lead ## Nice to Have - Experience with MartenDB - Experience with Wolverine - Experience designing multi-tenant SaaS systems (auth, billing, isolation, scaling, observability) - Familiarity with modern DevOps/IaC practices (e.g., Terraform/CDK), CI/CD, and distributed tracing ## About Computrition, Inc. Computrition, Inc. is a leading provider of fully-integrated foodservice, nutrition services, and retail solutions. With customers throughout the United States, Canada, and worldwide, Computrition provides an all-encompassing software system designed to increase efficiency and productivity in the healthcare, university, long-term care, military and corrections industries. Staffed by dietitians, former foodservice directors, business and service professionals and certified technical specialists, Computrition possesses the expertise necessary to deliver the highest quality products and services with a focus on customer satisfaction, employee fulfillment, and profitability. Computrition is an Equal Opportunity Employer, including disability and veterans. Computrition is part of the Constellation Software Inc.

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