backend engineer ruby jobs in Montreal

Elevate your career at Affirm as a Senior Backend Software Engineer focused on online storage and database technologies. This remote role enables you to design, optimize, and manage large-scale SQL databases with a strong emphasis on reliability and performance. Affirm is seeking a talented Senior Software Engineer to enhance its Online Storage team. You'll...

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. As we build Affim's 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...

At Affi, 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 Streaming team at Affi is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. We...

At Affirm, 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 mostYour role will be instrumental in designing the next generation of Affirm’s Checkout Platform to provide a world‑class buying experience that puts customers first!We...

At Affi, 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 Streaming team at Affi is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. We...

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,...

Overview The Lead Backend Engineer on the AI Platform team plays a critical role in building, evolving, and leading the backend systems and engineering practices that power internal products, customer‑facing capabilities, AI‑enabled workflows, and operational decision‑making across the organization. This role combines hands‑on backend engineering...

At Affid, 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 affirm's 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...

Bayview Asset Management, LLC is seeking a Backend Engineer for the AI Platform team to design, build, test, and operate scalable backend services powering internal products and AI-enabled workflows.You will develop APIs, ensure reliability, and deploy on major clouds, collaborating with product, data, and AI teams in a regulated environment. This fully...

Req ID: 395475 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, We are currently seeking a Senior Backend .Net/GCP Engineer to join our team remotely in Canada. Who we are: NTT DATA America strives to hire exceptional,...

The Online Storage team provides a set of managed databases as a platform, used to persist data for all AffIn services Our platform enables self-service access to OLTP storage systems, including Relational DB(MySQL), KV(DynamoDB), Distributed SQL(TiDB) and Cache(Redis) As a team, we are responsible for various data and access patterns, including but not...

Home › Jobs › Senior+ Backend Software Engineer - Canada Location Canada Job type Full-Time Salary CAD 200000–250000 / yearly Posted 15 Oct 2026 (1 day ago) Region Canada Category Software Engineering Source Jobicy Work mode Remote About Palmstreet: Palmstreet is the #1 live shopping platform for rare plants, handmade crafts, & unique goods. Founded in...

We are looking for a Software Engineer to join the Identity Decisioning team, responsible for building backend systems that validates consumer identity in all of affirm’s products by satisfying regulatory protocols like KYC The team partners closely with Product, Compliance, Auth, Fraud, and other engineering teams to deliver honest and transparent...

Join Palmstreet as a Senior Backend Software Engineer, where you'll lead on critical architectural decisions remotely across Canada. Enhance user experiences through innovative features and scalable systems. This full-time role focuses on developing robust backend services and APIs using Node.js and TypeScript. You will collaborate with cross-functional...

Abbeal SAS seeks an Intermediate Back-end Developer for a major bank in Montreal to build and maintain back-end applications and APIs in a demanding financial environment.Join a back-end team in a permanent Montreal-based role and help evolve applications and services that power critical banking operations.Experience with API architectures and databases is...

Become a key member of the ClickPipes team as a Senior Backend Engineer at ClickHouse Cloud, focusing on data ingestion services for high-performance systems. This role offers flexibility in a remote environment while driving technical decisions. At ClickHouse, we are seeking an experienced engineer with over 5 years of software development in distributed...

Independently own larged-scoped projects from initial discovery through launch with a focus on outcomes and customer impactCollaborate with a cross functional team to find solutions to customer challengesImprove the performance, reliability, and scalability of our existing systemsPromote engineering excellence through technical leadership, knowledge-sharing...

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. As we build Affim's 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...

Affirm is seeking a Batch Developer Experience engineer to join our remote-first team serving Canada. You will break down complex backend work, design and launch scalable services, and collaborate with product, design, analytics, and operations to keep systems reliable and observable.Ideal candidates have 1.5+ years as a software engineer, strong Python or...

Affirm is a remote-first company offering a Canada-wide role. The Streaming team builds data infrastructure and event-driven systems using Kafka, Flink, and AWS. You’ll help design, implement, and scale backend services in a distributed environment.The role emphasizes ownership, collaboration with product and analytics, and active participation in growth...