backend python jobs in Ottawa

A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, and familiarity with PostgreSQL. This role...

The Online Storage team provides a set of managed databases as a platform, used to persist data for all AffIn servicesOur 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...

Build autonomous agents with Python engineering expertise for Outlier, working remotely as a freelance contributor on flexible schedules.This freelance opportunity suits engineers with two or more years in backend engineering, AI automation, or complex systems integration. You will help train large language models to function as proactive, multi-step agents....

Build autonomous agents with Python engineering expertise for Outlier, working remotely as a freelance contributor on flexible schedules. This freelance opportunity suits engineers with two or more years in backend engineering, AI automation, or complex systems integration. You will help train large language models to function as proactive, multi-step...

eleven-x is transforming the parking experience through its industry-leading parking technology: a sensor-based space-occupancy monitoring solution and comprehensive software platform that enables frictionless parking. Our solution includes our own hardware, firmware, network solutions, web applications, and mobile applications. Customers rely on our...

The Data and Storage Services team is responsible for affirm’s data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration, streaming infrastructure, event-driven frameworks, BI, analytics tooling, large-scale data platforms, and agentic data tools such as semantic layers and internal platform data...

A leading healthcare technology provider in Canada is seeking a Full Stack Developer to build and maintain backend services using Node.js and Python. The role involves developing APIs and collaborating with cross-functional teams to deliver new features. The ideal candidate will have hands-on experience with AWS services and strong communication skills. This...

Location: Canada (Remote-friendly) Start date: ASAP Languages: English (required), French (strong plus) Databases: PostgreSQL, MongoDB About The Role Pragmatike is hiring on behalf of a fast-growing, product-driven technology company building data-intensive platforms used at scale across multiple markets. The product focuses on automation, data extraction,...

A leading technology company in Canada is seeking a Mid-Senior level Backend Developer to join their fully remote engineering team. You will be responsible for designing and maintaining Python-based services, managing databases, and ensuring system reliability. The ideal candidate has 3-5 years of backend experience, strong knowledge of AWS and RabbitMQ, and...

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 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...

You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projectsYou will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and...

A leading technology company in Canada is seeking a Mid-Senior level Backend Developer to join their fully remote engineering team. You will be responsible for designing and maintaining Python-based services, managing databases, and ensuring system reliability. The ideal candidate has 3-5 years of backend experience, strong knowledge of AWS and RabbitMQ, and...

The Batch Developer Experience team makes batch development and testing faster and more reliable at affirmAs a developer on this team you will partner with product and infrastructure engineers to build the tools and systems that streamline workflows, strengthen testing and ultimately improve the reliability of affirm’s critical batch workloadsWith the...

Identity Engineering owns the systems responsible for onboarding all consumers and managing their authentication and verification journeys across  Affirm's product surfacesIn this role, you will need to gain a deep understanding of the business, product and engineering context, and utilize that context to own and deliver high-availability and low-latency...

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 orchestration,...

The Capacity Modeling team ensures Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable capacity plans. You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and...

Reports to: Director of Software Type: Full-Time Location: Ottawa or Toronto Location AuraNet is Dominion Dynamics' mesh networking platform for autonomous assets working in contested and disconnected environments. It has to move data securely and in real time over links that aren't conventional wired networks, where bandwidth is scarce, connections...

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...

The Engineering team builds systems that power affirm's mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we're enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus...