python backend engineer jobs in Toronto

CIBC is seeking a Backend Developer with 6–8 years of experience to design, build, and maintain scalable Java and GoLang services. You'll contribute to enterprise‑scale cloud projects, participate in architecture discussions, and mentor peers as a SME while working in a hybrid model with on-site and remote days. You’ll collaborate across teams,...

A leading AI solutions company is hiring an ML Engineer in Toronto, Canada. In this role, you will design and maintain serving stacks for machine learning models and automate training pipelines using Kubernetes. Candidates should have solid experience with Python and knowledge of ML infrastructures. Join a team committed to deploying innovative AI...

Explore innovative AI solutions as a Senior Software Engineer at Cresta, focusing on backend system integrations. Collaborate to create world-class customer experiences through technology.Cresta is on the lookout for a Senior Software Engineer to work on its Core Platform, supporting critical backend integrations for enterprise clients. This role combines...

# Software Engineering, Backend (All Teams)Apply To JobJob ID: **3521006**DoorDash Technologies Canada Inc.Toronto, ON## **About the Team**DoorDash is building the world's most reliable on-demand, logistics engine for delivery! We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7, global infrastructure...

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers,...

Toronto ON, Hybrid (Full time) The opportunity We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You will embed with business users, client SMEs, product owners, and engineering teams to understand complex workflows, rapidly...

At eBay, we’re more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass,...

Collabera is hiring an AI Engineer in Toronto with 6+ years of software experience and 1-2+ years building GenAI apps. You will craft GenAI-powered products using Python, React/Next.js, and AWS, building LLM pipelines, RAG solutions, and AI agents. You’ll own architecture through deployment, work with product managers, data scientists, and stakeholders,...

BrainyYack is seeking a Senior Python Developer to design and build scalable backend systems and AI-powered solutions. You will own backend development, APIs, and integrations, collaborating with product and architecture teams to deliver production-quality software.The role emphasizes hands-on engineering, system design, and mentoring teammates while working...

A leading AI consultancy is looking for experienced Mechanical Engineers with strong Python skills for a freelance role. You will be responsible for training and evaluating AI models on complex mechanical engineering problems. This fully remote position offers flexible part-time hours, with the chance to earn up to $38/hour. Ideal candidates will have a...

It's how people build wealth, stability, and community. We're building the modern system of homeownership giving people the freedom to buy and sell on their own terms. We’ve built an end-to-end online experience that has already helped thousands of people and we’re just getting started. About The Role — Senior And Above You're interviewing for...

Fitch Ratings, part of Fitch Group, is seeking a Senior Software Engineer to join our Toronto-based Ratings Technology team. You will build and maintain full-stack applications with Python and React, leveraging FastAPI/Flask on the backend and modern frontend practices. Expect to work with PostgreSQL, Oracle, and MongoDB, while deploying through CI/CD...

Contribute to the future of legal technology as a Backend Software Engineer at Harvey in Toronto. Engage in a hybrid work model while creating innovative user-facing features and robust backend infrastructure. Our rapidly growing team is seeking engineers passionate about developing AI-powered solutions for leading law firms. In this role, you'll design...

Toronto contract Backend Engineer role focused on Java, Spring Boot, and hands-on backend service development. Build depth in modern backend patterns within healthcare.This one-year contract supports a healthcare client in Toronto. The hands-on position suits an engineer developing technical depth through backend services, APIs, relational databases, and...

Docebo, a leader in AI-powered learning platforms, is seeking a backend engineer to architect, build, and scale enterprise-grade systems in Go and PHP. You will mentor teammates, drive multi-sprint initiatives, and partner with Product and Design to shape the roadmap while ensuring high performance and reliability.You will work within a hybrid model,...

Thomson Reuters is looking for a Senior Backend Engineer with AI expertise to develop robust backend services. Contribute to real-world AI systems in a hybrid work setting. In this pivotal position, you’ll design and optimize backend architectures for AI-powered products tailored for the tax and accounting sector. Engage with complex systems, ensuring...

Transform the legal industry as EvenUp's AI Document Backend Engineer. In this hybrid role, you'll create scalable solutions that empower personal injury lawyers through technology.In the DocGen team, your expertise in backend development will be central to building systems that leverage AI for efficient document generation. This is an ideal role for...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work. As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

A leading IT services company is seeking a skilled GCP Data Engineer to design, develop, and maintain data pipelines on Google Cloud Platform. The ideal candidate will have expertise in Spark Serverless, ETL design, and Python programming. This mid-senior level contract position requires strong knowledge of data governance and GCP services like BigQuery and...

DoorDash is seeking highly motivated recent graduates to join our engineering team as product engineers. You will help design, build, and operate scalable features that power our three-sided marketplace of consumers, merchants, and dashers.You’ll work with mentors to learn modern software practices, contribute to backend and frontend flows, write clean...