software engineer backend systems jobs in Montreal

Build search and backend systems at Affirm remotely across Canada, using JavaScript, TypeScript, Python, or Kotlin. Help shape shopping discovery. As a Software Engineer I, you will contribute to projects supporting Affirm’s Ads business and Marketplace search experience. You will design, develop, and launch backend systems at scale while writing clear,...

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity.To help our teams work together effectively, this role is fully remote, but requires...

Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...

Make a difference at Leap Tools as the Lead Software Developer for Backend Systems, focusing on data processing architecture in a flexible remote role. Strong experience in distributed systems and performance engineering is essential. This position seeks a professional with 8+ years of software development expertise to innovate data pipelines and optimize...

Senior Software Engineer (Full-Time, Remote) — Canada Work Schedule: 9:00 AM - 5:00 PM PSTAbout the role At AutoScale Ventures, we build large-scale systems behind products like VinAudit.ca (vehicle history and data) and SquidProxies.com (proxy infrastructure). We're looking for a Senior Software Engineer to design, build, and evolve the backend systems...

Join the Tilt team At Tilt, we see a side of people that traditional lenders miss. Our mobile-first products and machine learning-powered credit models look beyond credit scores, using over 250 real-time financial signals to recognize real potential. With millions of customers worldwide, we're not just changing how people access financial products - we're...

About Vasco Vasco is the revenue context layer for AI agents. The product was built around one idea: confident is not the same as correct, and revenue decisions get made on confidence all the time. We structure your CRM, billing, calls, and support data into a semantic layer where every metric is sourced, every definition is locked, and every answer is...

Shape the future of search at Affid as a Backend Software Engineer. Leverage your expertise in Python or Kotlin to enhance consumer experiences in this remote role. Affid is seeking a seasoned Backend Software Engineer with 8+ years in building scalable systems. This role involves setting technical strategies, collaborating across product development teams,...

OverviewTucows is a remote-first backend engineering role for Canada, building open‐internet products across domains, Ting, and Wavelo.ResponsibilitiesDesign and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools.Collaborate with frontend developers to define clear and consistent API endpoints,...

Build scalable backend systems at Canals as a Senior Software Engineer, working remotely across North and South America with product teams.This senior-level engineer owns complex backend projects from planning through deployment. You will improve scalability, performance, and reliability while shaping product features for wholesale distributors. The work...

Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing. In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple...

The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. To help our teams work together effectively, this role is fully remote but requires...

Direct message the job poster from Scribd, Inc. About The Company At Scribd (pronounced “scribbed”), our mission is to spark human curiosity. Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise through our four products: Everand, Scribd, Slideshare, and Fable. We...

Shape the future of data streaming as a Backend Software Engineer on Camunda’s innovative Data Streaming team. Embrace a fully remote role focusing on building scalable process data architectures. In this Senior position, you will revolutionize how Camunda handles process data, moving analytics off the live engine's critical path. Collaborate closely with...

Direct message the job poster from CopperCopper isn’t just another CRM. Most CRMs are glorified databases with legions of custom fields that attempt to make business processes repetitive. But just as no two people are identical, neither are most sales processes. Copper takes a human and action-centered approach by building tools that teams love and adopt...

OverviewWe're hiring a backend developer to join a dynamic and forward-thinking team focused on rebuilding and scaling a large-scale login and registration platform. If you're looking to work on meaningful systems that impact millions of users-and want to do it using a modern stack-you'll want to explore this role.High-impact system rebuild. Modern tech...

Affirm, Inc. is expanding its engineering team to build a new Ads business and enhance Marketplace experiences across platforms.This remote-first role is open to candidates residing in designated Canadian provinces, with a base CAD pay range and equity opportunities. You will collaborate with global teams to design and implement scalable backend services...

Build high-availability, low-latency identity systems at Affirm while using Python or Kotlin to support authentication and verification journeys remotely.As a Senior Software Engineer, you will own delivery for critical backend systems serving all Affirm products. You will understand business, product, and engineering context while leading engineers through...

At Aff, 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 Capacity Modeling team ensures Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable...