backend engineer ruby jobs in Calgary

Overview StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI‑powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. What...

About Plooto Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses the financial power to succeed on their own terms. We make payments secure, accurate, and stress-free so businesses and their accountants can spend less time in the books, confidently manage cash flow, and make smarter decisions every day. We’re a team...

Shape the future of shopping with Affirms as a Backend Software Engineer. This remote role focuses on building impactful search and recommendation systems in a collaborative environment. Join Affirms to drive the technical strategy for your team while developing backend systems at scale. With over 8 years of experience in languages like Python or Kotlin and...

Become a vital part of affirm's Online Storage team as a Backend Software Engineer. This fully remote role focuses on enhancing Cache Services with Redis and Valkey while automating workflows. You will have the privilege of working within affirm's Data and Storage Services team, managing OLTP and OLAP systems. As a Software Engineer II, you'll build and...

Advance your technical skills with StackAdapt as a Software Engineer focused on backend development. This position allows you to build and optimize scalable micro-services in a collaborative environment. StackAdapt invites applications for a Backend Software Engineer role requiring over two years of relevant experience. You will focus on creating...

Drive innovation in compensation strategies as a Lead Backend Engineer at Syndio. This remote-first role requires expertise in designing scalable backend systems. Syndio is on the lookout for a Lead Backend Engineer to strengthen its core platform. In this senior role, you will take ownership of backend services, utilizing your skills in Go and Python to...

At Affirms 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.As we build Affirms advertising platform and evolve Marketplace into a best in class shopping destination, the ability to route and discover is one of the greatest levers for...

Alignerr is seeking a Back End Developer for a remote hourly contract. You will design, implement, and optimize server-side systems, data pipelines, and APIs powering AI-focused products.Work with distributed teams, contribute to architecture, and ensure scalable performance. Ideal candidates have strong experience in Python/Go/Java/Node.js or Rust, with...

Become a key technical leader at Affirm as a Remote Backend Systems Engineer. Provide innovative solutions for managing and optimizing Affirm’s database platforms. As a Staff Software Engineer, you will be integral to the Data and Storage Services team, steering the technical direction of systems handling financial transactions. You will leverage over...

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. Marketing & Privacy Engineering (MPE) builds trusted, privacy-aware consumer web experiences and measurement systems that enable sustainable growth. Within MPE, the Marketing...

Shape the future of shopping with Affirms as a Backend Software Engineer. This remote role focuses on building impactful search and recommendation systems in a collaborative environment. Join Affirms to drive the technical strategy for your team while developing backend systems at scale. With over 8 years of experience in languages like Python or Kotlin and...

The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer II with a track record of leading projects and initiatives on the Partner Merchant Interfaces Team You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with...

GitLab is seeking a Senior Backend Engineer for the Duo Chat team to build core AI features behind GitLab Duo Chat. You will work on flow components, agentic flows, and integration with LangGraph within the Duo Workflow Service, interfacing with the Rails monolith.You’ll own backend features end-to-end, integrate generative AI models, and design scalable...

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,...

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,...

AtAffirm,weexist 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 forAffirm'sdata infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

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...

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...

At AffiWe exist for the moments that matter—giving people a clear,predictable way to pay over time, with no hidden fees, no surprises, and no radeoffs on what matters most.Your role will be instrumental in designing the next generation ofAffirm’s Checkout Platform to provide a world-class buying experience that puts customersfirst!We are seeking a...