python backend engineer jobs in Ottawa

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 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...

Advance your career at Nokia as an Optical Firmware Integration Test Engineer in Ottawa. This role emphasizes on Python automation for optical firmware quality assurance. Your task will be to develop and automate test cases using Python on the PACE platform, directly impacting firmware integration quality. Engaging in hands-on testing and analysis, you'll...

A healthcare technology platform is seeking a Full-time Software Engineer to craft solutions that reshape the connection between healthcare professionals and facilities. You will collaborate with product managers to build impactful features and work within a dynamic remote team. Ideal candidates will have expertise in TypeScript and Node/NestJS, with a focus...

Build AI-powered backend systems in Ottawa with Python, workflow orchestration, and scalable data-intensive architecture on a hybrid schedule. Own production software from design through delivery.askpolly seeks a Senior Software Engineer with 5–8 years of professional experience. You will design backend services, robust APIs, and agentic workflows for an...

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...

Job Description Be an integral part of an agile team that’s constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Consumer and Community Banking – Risk Technology Portfolio team, you are an integral part of an agile team that works to enhance,...

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization.You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization. You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

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...

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,...

A technology firm is seeking a Software Engineering Associate to develop and evaluate GenAI applications. The role focuses on building systems using Python and collaborating with experienced engineers. Candidates should possess strong programming skills, a Bachelor's degree in Computer Science, and a passion for AI. This position is a unique opportunity for...

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...

Telesat (Nasdaq and TSX: TSAT) is a leading global satellite operator, providing reliable and secure satellite-delivered communications solutions worldwide to broadcast, telecommunications, corporate and government customers for over 55 years. Backed by a legacy of engineering excellence, reliability and industry-leading customer service, Telesat has grown...

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...

Akamai's Cloud Data Services team designs, builds, and operates high-reliability, high-scale data services and pipelines powering core Akamai platform capabilities. The Senior II Software Engineer will own backend data services end-to-end, scale microservices, and collaborate with DBA and SRE partners to ensure performance and reliability across regions. ...

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...

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...

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....