python backend engineer jobs in Ottawa

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....

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their...

Python and SQL specialists can shape data quality as Data QA Engineers based in Canada, supporting web extraction and AI-assisted solutions. This Data QA Engineer role requires at least five years in QA, software testing, data testing, or data quality assurance. You will translate customer requirements into measurable standards and prevent defects before...

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 Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch...

IBM Software is seeking software engineers at various levels to grow our Traffic team, building and managing the networking fabric of Confluent Cloud. This role centers on cloud-native backend services that are secure, scalable, and highly available, with a strong emphasis on APIs and end-to-end ownership.You will design, implement, and operate backend...

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,...

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...

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,...

Python AI evaluation engineering for Turing supports preference data, rubric design, and quality-focused model development. This fully remote contract emphasizes clear technical judgment. Turing seeks an engineer experienced with Python pipelines or TypeScript codebases. You will shape evaluation criteria, review preference data, and turn technical...

Python AI evaluation engineering for Turing supports preference data, rubric design, and quality-focused model development. This fully remote contract emphasizes clear technical judgment.Turing seeks an engineer experienced with Python pipelines or TypeScript codebases. You will shape evaluation criteria, review preference data, and turn technical findings...

Lead technical strategy as a Staff Backend Engineer with Affir in a remote setting. Leverage your expertise in Python or Kotlin to build scalable systems for Trust and Safety Foundations. In this remote role, you will take on crucial responsibilities in shaping technical strategies and managing major projects as part of the Checkout Engineering team. With...

Turing is one of the world's leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role: We're looking for a high-taste engineer with a strong eye for quality — someone who's worked hands‑on with preference data and rubric...

Turing is one of the world's leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role: We're looking for a high-taste engineer with a strong eye for quality — someone who's worked hands‑on with preference data and rubric...

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....

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...

Nokia in Ottawa, Canada, seeks a System Test QA Engineer to design and execute automated tests using Python, collaborating with cross-functional teams in an Agile environment to improve product quality. You will develop and refine test plans, document defects, and contribute to solution-level testing of Nokia optical pluggable products with third-party...

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 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,...