Jobs for backend developer - python at Toronto

About Us We’re looking for a Staff Engineer - User Experience (Backend) to join our Patient Platform team and shape the systems that power patient-facing experiences across our health technology platform. This team owns the APIs, orchestration services, and communication infrastructure that enable secure, reliable interactions between patients and our...

At Allstate, great things happen when our people work together to protect families and their belongings from life’s uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers’ evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing...

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Toronto to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Toronto to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...

Gigi is the agentic operating system of enterprise media buying. Our first product is the AI media manager for Amazon DSP. Since launching it in summer 2025, we've grown to manage hundreds of millions in advertising spend on behalf of the largest agencies in the world. We're backed by top venture investors Golden Ventures and Aperiam Ventures. Our founding...

About Clutch Clutch is Canada’s largest online used car retailer, delivering a seamless, hassle-free car-buying experience to drivers everywhere. Customers can browse hundreds of cars from the comfort of their home, get the right one delivered to their door, and enjoy peace of mind with our 10-Day Money-Back Guarantee. Named one of Canada’s Top Growing...

The Lead Platform Reliability Engineer (PRE) ensures the stability, performance, and scalability of the shared platform that supports internal AI solution development. It combines software engineering, SRE practices, and operations to keep the platform reliable and developer-friendly. Position Responsibilities: Reliability and performance: Define SLOs/SLIs,...

Forward Deployed Engineer (Data, ML & AI) Location: Remote Timezone: NA/Eastern Type: Full-time Experience: 10+ Years Role Overview This position requires a Forward Deployed Engineer (FDE) specializing in Data, Machine Learning, and AI to embed directly within customer environments. You will serve as the primary technical authority transforming complex...

Responsibilities Provides advice on the testing strategy, test plans, the selection of testing tools, and the identification of resources required for testing. Plans and organizes testing efforts for large systems in Graphical User Interface (GUI) and non-Graphical User Interface (GUI) environments, including the execution of systems integration...

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. The Safety and Customer Care (SCC) team at Lyft manages over 1.7 million monthly human and AI interactions and serves as Lyft's primary direct touchpoint with riders and drivers. We handle...

Senior Software Engineer, Full-Stack Applications - AI Innovation Teams   As one of the world’s top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by providing credit analysis, ratings, research, and commentary to financial market participants. For over 100 years, Fitch Ratings has been creating value for...

About the Role: Tubi's content platform is the engine behind one of the largest free streaming services in the world. Every play, every deal, every creator, every frame of video flows through systems CPE owns, and the surface area is enormous. Distributed services running on the hottest path of Tubi's traffic. Video pipelines processing one of the largest...

Consultant - GenAI Platforms Posting Start Date: 8/6/26 Job Type: PermanentWork Model: HybridReference code: 134096Primary Location: Toronto, ONAll Available Locations: Toronto, ON; Burlington, ON; Calgary, AB; Kitchener, ON; Saskatoon, SK; St. John's, NL; Vancouver, BC Our Purpose At Deloitte, our Purpose is to make an impact that matters. We exist to...

GET STARTED ON AN EXCITING CAREER AT ELEMENT! Element employees make a difference in the lives of others every day. We are re-defining the fleet management industry to be people first, then business – delivering on our promise of a superior client experience. This takes hard work and innovation, and we need more like-minded people on our...

Job Title: Platform Engineer Location: Canada , Toronto downtown, Onsite 5 days Job Title: Platform Engineer Job Summary: Apexon is seeking a skilled and proactive Platform Engineer to join our growing engineering team. In this role, you will design, build, and maintain scalable and reliable platform infrastructure to support our microservices-based...

General Information: Job Title: AI Engineer Location: Toronto, ON (Onsite/Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Salary Range: 135K - 170K CAD per year (negotiable) About Fulfillment IQ (FIQ): Fulfillment IQ is a supply chain engineering and transformation company that helps brands,...

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,...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships...

About Forma.ai: Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk. Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales intelligence to...