Senior Backend Engineer

A leading Canadian business advisory firm is seeking a Senior Back-End Developer to join their innovative development team in Calgary. The successful candidate will design scalable back-end services using .NET and Azure, lead architecture for new initiatives, and collaborate with cross-functional teams. Strong emphasis on building microservices and...

Affirm is seeking a Backend Software Engineer to design and implement the next generation of the Checkout Platform, delivering APIs and microservices to manage every user transaction with Affirm. This remote Canada role is open to residents in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward...

Innvenza Solutions in Calgary, Alberta, is seeking a senior backend engineer to own the backend systems that define how AI interacts with production environments. You will write Node.js and TypeScript, design APIs, and work on MCP-based tools and agent workflows, shaping the boundaries between AI and real systems.You will join a small senior team,...

A dynamic tech company in Calgary is on the lookout for a Back-End Engineer. In this role, you'll develop core back-end systems with Python and PostgreSQL, work in tandem with front-end engineers, and contribute to critical product features. The ideal candidate will have significant experience in back-end systems, a passion for collaboration, and a drive for...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.Affirm is building the next generation of customer identity and authentication. This role is a hands‑on engineering position inside Information Security, focused on designing and...

At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

Marqeta is seeking a Senior Software Engineer to join the Network File Integration team. You will design and deliver scalable software for batch and event-driven processing of card network settlement and transaction data. The role can be performed remotely within Ontario or British Columbia, Canada, with collaboration across teams and partners. You will...

Affirm is seeking a backend engineering lead to own and deliver high-availability systems that power our web and mobile experiences. You will collaborate across product, design and analytics and drive technical decisions to balance speed, reliability and security for our customers. You will guide a team to build scalable backend services in Python or...