python backend engineer jobs in Montreal

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...

Shape Motion’s cloud backend with Azure, Docker, and production engineering judgment while supporting AI-powered customer environments remotely. This senior software engineering role focuses on application code that controls infrastructure primitives. Motion’s stack includes Node.js, TypeScript, MongoDB, ElasticSearch, Azure, and Pulumi. You will help...

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...

Elevate patient care as a Senior Backend Engineer at FluidAI, developing smart, data-driven surgical solutions. This remote role involves deep system design, C#, and .NET expertise while collaborating with global healthcare teams. FluidAI is seeking an experienced backend engineer to design and develop scalable systems that align with our innovative...

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,...

Build AI underwriting systems with Python and backend expertise at nesto, in a remote-first role open across Canada. Shape production lending technology.As a Senior Applied AI Engineer, you will lead major projects for Maestro, nesto’s AI underwriting and lending engine. Apply LLMs, retrieval-augmented generation, structured extraction, and strong API...

Senior Backend Engineer (AWS) As a Senior Backend Engineer at Lumenalta, you will design and implement robust backend systems, ensuring our applications are secure, scalable, and efficient. You will be responsible for working closely with DevOps and frontend teams to deliver high-performance applications that leverage AWS cloud services and Kubernetes. Your...

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,...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Engineer, Backend – Protection based in Canada. Join an innovative global payments technology company building infrastructure that helps businesses simplify payment operations, optimize performance, and protect revenue....

Build Ruby and GraphQL backend capabilities remotely for GitLab’s Create: Source Code team, supporting reliable source code workflows across products.As a Backend Engineer, you’ll develop secure, tested, performant features for complex source code systems. You’ll design services, application programming interfaces, data models, and business logic while...

Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...

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...

Design highly scalable RESTful microservices for Atlassian while working fully remotely from a United States timezone. Apply backend engineering and cloud architecture skills.This Backend Software Engineer role focuses on delivering creative improvements for engineering teams. You will build daily features in a cross-geo distributed environment and support...

Develop MaintainX integration foundations remotely in Canada, using backend services, relational databases, and CI/CD to support enterprise connectivity.As a Senior Software Developer, you will build reusable foundations for connectors, marketplaces, and automation-driven onboarding. The work includes API platforms, SDKs, enterprise integrations, and shared...

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...

Build backend foundations for MaintainX’s internal developer platform using Node.js, TypeScript, GraphQL, and distributed systems expertise. Work alongside platform and product teams.As a senior backend engineer, you will develop an internal platform serving more than 150 developers. The work focuses on reducing manual steps, enabling golden paths, and...

A prominent FinTech firm in Montreal is seeking a Senior Software Engineer with strong Python skills. The role involves building scalable software, engaging in code implementation, and working on large-scale projects. Ideal candidates should possess experience in mission-critical environments and a desire to learn Rust. This full-time position offers a...