senior backend software engineer python jobs in Toronto

About Genius AI Genius AI is building technology to help local businesses run themselves. Genius AI products do the admin work that keeps practitioners from the work they love and the people they serve. From GlossGenius to Reception, its products work 24/7 on busywork like booking, marketing, client management, finances, staff and inventory management, and...

Robinhood in Toronto is seeking a Senior Software Engineer to design, build, and scale backend services and data systems powering crypto, web3, and wallet offerings. You will lead technical initiatives and ensure a robust trading experience for customers worldwide. The role requires 5+ years in a fast-paced environment, with 3+ years in distributed crypto...

OverviewTucows is a remote-first backend engineering role for Canada, building open‑internet products across domains, Ting, and Wavelo.ResponsibilitiesDesign and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools.Collaborate with frontend developers to define clear and consistent API endpoints,...

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...

This hybrid role requires working in the Toronto office two days per week. With millions of diners, 70,000+ restaurant partners and 25+ years of experience, OpenTable, part of Booking Holdings, Inc. (NASDAQ: BKNG), is an industry leader with a passion for helping restaurants thrive. Our world-class technology empowers restaurants to focus on what matters...

About TuringTuring 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 RoleWe’re looking for experienced, hands-on software engineers to help evaluate and improve AI coding models.Rather than primarily...

**About Us:** Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers...

Position: Senior Python Engineer Location: Downtown Toronto, Hybrid/Onsite Salary Range: $100K-$150K Job Type: Permanent Posting Type: Open Vacancy We're partnering with a growing financial technology firm looking to add a Senior Backend Engineer to their engineering team in Toronto. This position focuses on building scalable backend systems that...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team +...

As a Staff Software Developer on the Monetization team, you’ll lead technical initiatives and take significant ownership over service architecture, product API development, and data modeling. You’ll design and iterate at startup speed, working with modern Java, MySQL, DynamoDB, gRPC, GraphQL, Kafka, and microservices architecture. In this role, you’ll...

The Reference Data team, part of the broader Trade Data organization within the Brokerage Platform at Robinhood, serves as the source of truth for diverse asset classes—including equities, options, crypto, event contracts, and tokenized stocksOur core systems, Quiver and Arsenal, interface with external providers such as Bloomberg, Alpaca, Kalshi, and...

Kumaran Systems is hiring a senior backend engineer in Toronto to design, develop, and operate backend services in Python. You will build REST APIs, manage Linux-based deployments, and drive automation with scripting and CI/CD practices. Ideal candidates have extensive Python experience, Oracle DB know-how, and a track record of end-to-end service ownership...

Requisition ID: 49891Business Unit: Fitch GroupCategory: Information TechnologyLocation: Toronto, ON, CADate Posted: Oct 7, 2026Senior Software Engineer, Full-Stack Applications – PythonFitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in Toronto. You'll build and maintain mission-critical full-stack...

Drive innovation as a Senior Backend Engineer with Jonas Software, specializing in AI-first solutions. Embrace remote work to design and implement core backend systems in C#/.NET. In this pivotal role, you’ll shape a new SaaS application from the ground up. Seeking a seasoned engineer with expertise in Event Sourcing, CQRS, and Domain-Driven Design (DDD)....

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. Affirm's engineering team is building a large-scale, fault-tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. Ensuring...

Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...

About the Role We’re looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. You’ll operate our backend services and architecture that support all product functionality...

Senior Software Engineering, Backend (All Teams) We’re looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. We expect Senior Engineers to be able to own projects...

About the Role We're looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. You'll operate our backend services and architecture that support all product functionality...

From Fivetran’s founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We’re proud that more organizations continue to leverage our technology every day to...