python backend engineer jobs in Toronto

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

Location: Toronto (Hybrid preferred, remote possible for strong candidates) This is a full-stack role with a strong backend focus. About Micromart Micromart is building the platform for unattended retail. We empower entrepreneurs to turn any location into a retail opportunity, from offices and condos to gyms, hotels, and other shared spaces. Our focus is...

Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate...

Life as an Engineer at EvenUp EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions,...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

Position Overview We are seeking a Principal Software Engineer – Backend to join Autodesk’s Enterprise Data Management (EDM) organization within the COO-GET Engineering group. This is a senior individual contributor role operating at the Principal (P4) level, expected to drive technology direction for large, complex, and business-critical backend and...

Own high-performance backend systems at Canals, applying scalability, reliability, and architecture skills in a remote-first company. Canals serves wholesale distributors with software that automates essential business workflows. This senior backend engineering position focuses on complex systems and meaningful product features as the customer base expands....

Strengthen Stripe Radar with backend engineering and distributed systems expertise, building low-latency services that stop fraud and abuse at scale. This software engineering role focuses on products and infrastructure for businesses using Radar. You will work across backend services, enterprise APIs, and shared platforms. You will also bring new signals,...

Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

Build high-performance backend systems with Golang in a permanent hybrid Senior Software Engineer position focused on enterprise energy management. Shape scalable technology through microservices and cloud-native engineering. This Senior Software Engineer role centers on modernizing distributed architectures and developing intelligent, data-driven energy...

Senior Backend Engineer building SaaS systems with data, machine learning, and AI capabilities for Kaseya’s global IT platform. This hands-on senior or staff role leads backend architecture and technical direction across product areas. You will create scalable systems, integrate ML and AI into customer workflows, and collaborate with Product, Design, and...

Build scalable Java backend services remotely for Just Eat Takeaway.com from Alberta, Manitoba, or Ontario. Apply strong system design expertise. As a Senior Java Developer, you will support the Logistics Areas and Fees team. You will architect, develop, and operate distributed systems for delivery calculations. The work includes Java 21, REST APIs, message...

JOB SUMMARY Seeking a Software Developer V with a strong backend focus to design and review services and REST APIs. This role involves leading the orchestration of multiple upstream services, guiding the team on scalable and stateless service design, and defining API contracts, error handling, and resiliency patterns. The developer will support team members...

Lead the design and development of innovative backend systems at Swoop, enhancing healthcare outcomes through technology. This hybrid role in Toronto requires expertise in building scalable APIs and services. As a Senior Backend Engineer, you will architect pivotal technology for multiple web products at Swoop, focusing on NimbleRx. Collaborate with top...

About d1g1t d1g1t is an institutional-grade enterprise wealth management platform built for financial advisors, multi‑family offices, broker‑dealers, and bank advisor networks. The platform replaces fragmented legacy systems with a unified solution for portfolio management, advanced analytics, risk management, reporting, and operational workflows across...

We are seeking a hands-on Senior Data Engineer to lead the development, support, and continuous improvement of our Azure-based data platform. This role combines data engineering, platform operations, and technical leadership, ensuring reliable, scalable, and high-performing data solutions across the enterprise. Design, build, and support scalable data...

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work...

About Rules Cube and MediCoreRules Cube is a Toronto-based digital transformation and Pega consulting firm with offices in Canada, the US, Mexico, and Latin America.MediCore is Rules Cube's AI-powered patient access and clinic operations platform. It helps health systems, clinics, and diagnostic networks streamline scheduling, intake, referrals, and...

About Turing 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 experienced, hands-on software engineers to help evaluate and improve AI coding models. Rather than...