backend engineer ruby jobs in Ottawa

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...

A leading survey platform in Ottawa is seeking an Associate Engineer to enhance backend services and SDKs. This full-time role involves integrating third-party services, using AI for automation, and collaborating with teams to improve tools. Ideal candidates have 3-5 years experience in full-stack development and proficiency in Python or JavaScript. A hybrid...

The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with affirm, and also power some of our top partners like Amazon and Stripe With the support of your team,...

Affirm is building a remote-first data infrastructure team focused on scalable cache services (Redis and Valkey). You will help design, implement, and productionize these systems across AWS, MySQL, and distributed data platforms, with a strong emphasis on reliability and performance.Join us to own end-to-end migrations, automate workflows, participate in...

High Tech Genesis (HTG) is seeking a Backend Engineer, Data Engineering to join a backend-focused data engineering team. The role focuses on processing large volumes of data and delivering reliable, structured datasets for downstream systems.The ideal candidate has strong backend and data-processing experience with Scala and Java as core technologies; Ruby...

askpolly, based in Ottawa, is seeking a Senior Software Engineer to design, build, and scale production systems behind its AI-powered insights platform. This full-time role, on a hybrid schedule (4 days in-office), focuses on backend architecture with opportunities for full-stack contributions.You will own complex features from problem definition to...

IBM Software seeks a software engineer to design, develop, and deliver component-level solutions for our AI-powered, cloud-native products. You will contribute to automated CI/CD pipelines, fix customer-reported problems, and collaborate in an Agile environment to meet evolving requirements with high quality.The role emphasizes back-end development,...

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 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. 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 Affirms products...

The Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to help build the secure, reliable, and seamless authentication experiences that connect millions of consumers with affirm’s financial productsAuthentication is the front door to affirmOur systems power critical consumer journeys (including sign-up, sign-in,...

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 most. The Batch Developer Experience team makes batch development and testing faster and more reliable at affirm. As a developer on this team you will partner with product and...

Affirm, Inc. seeks a Staff Engineer to lead the Fraud Decisioning team, shaping architecture and delivering scalable fraud-fighting systems. You will collaborate with Product, ML, Analytics, and Business teams to define and deliver high-impact initiatives, mentoring engineers and enforcing best practices.The role emphasizes designing modular solutions,...

A software company specializing in manufacturing solutions is looking for a Backend Software Developer to design and build cloud-native services and data pipelines that transform data into insights. Ideal candidates are proficient in TypeScript, Python, or Go, with experience in micro-services, REST/GraphQL APIs, and containerization. This role offers...

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. As a member of our team you would spend time identifying and executing on new use cases of data infrastructure, designing and scaling our existing infrastructure and working...

Affirm is building a remote-first data infrastructure team focused on scalable cache services (Redis and Valkey). You will help design, implement, and productionize these systems across AWS, MySQL, and distributed data platforms, with a strong emphasis on reliability and performance. Join us to own end-to-end migrations, automate workflows, participate in...

Engineering Full Time Ottawa, ON $80,000 - $100,000 CAD per year With over 90,000 employees worldwide, Leonardo is a global high-technology company and a key player in the international defence and security sector. Leonardo Canada Inc. (LCI) continues to grow and expand our footprint in Ottawa. We offer a dynamic and collaborative work environment where...

Apollo.io is seeking a Senior Software Engineer to join a fast‑growing team building data platform architecture and distributed integrations that scale.You will own backend services, data pipelines, and observability, collaborate with global teams, and bring an AI‑first mindset to coding, debugging, and deployment.The role offers remote and in‑person...

The Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to help build the secure, reliable, and seamless authentication experiences that connect millions of consumers with affirm’s financial products Our systems power critical consumer journeys (including sign-up, sign-in, account recovery, checkout authentication,...

Affirm is a remote-first company building the money movement platform behind our card products. The Card Loan Platform team owns the high-throughput decision engine powering real-time approvals and lifecycle events for every swipe.We seek a seasoned engineering leader to shape system design, drive technical strategy, and mentor engineers across Product,...

A tech company specializing in event-driven architecture is seeking a Senior Software Developer to join their AI team. The role involves leading technical projects, creating robust APIs, and collaborating across functions to enhance product offerings. Candidates should have over 7 years of experience, strong backend development skills particularly in Python...