senior backend software engineer python jobs in Toronto

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  • Toronto, ON, Canada Cresta Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Genius AI Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Cognichip Full-time

    About Cognichip At Cognichip, we are building AI-native tools that transform how semiconductor engineers create, verify, and optimize chips. Our platform combines large proprietary models, agentic workflows, domain-specific engineering intelligence, and high-performance simulation infrastructure to accelerate one of the world’s most complex engineering...


  • Toronto, ON, Canada Munich Re Group Full-time

    Munich Re Group in Toronto is seeking a Senior/Staff Software Engineer with deep Python expertise to build scalable APIs and services powering data-driven life insurance solutions. You will work on mission-critical systems handling AI, EHRs, and sensitive medical data to enable faster, easier access to essential coverage. You will shape API architecture for...


  • Toronto, Ontario, Canada Cresta Full-time

    Senior Software Engineer, Backend - Platform Team Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across...


  • Toronto, Ontario, Canada Affirm, Inc. Full-time

    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...


  • Toronto, ON, Canada DoorDash Canada Full-time

    Senior Software Engineering, Backend (All Teams) 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...


  • Toronto, Ontario, Canada Autodesk Full-time

    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...


  • Toronto, Ontario, Canada RWA Signal Full-time

    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 +...


  • Toronto, Ontario, Canada Cognichip Full-time

    About Cognichip At Cognichip, we are building AI-native tools that transform how semiconductor engineers create, verify, and optimize chips. Our platform combines large proprietary models, agentic workflows, domain-specific engineering intelligence, and high-performance simulation infrastructure to accelerate one of the world’s most complex engineering...


  • Toronto, Ontario, Canada Arkion Identity Systems, Inc. Full-time

    Location Remote / Hybrid Greater Toronto Area We are looking for a Backend Software Engineer with strong Rust expertise to build secure, scalable, and high-performance services for our Next-Gen Non-Human Identity (NHI) Platform. You will play a key role in designing and implementing backend services, APIs, and cryptographic workflows, working closely with...


  • Toronto, ON, Canada Robinhood Full-time $136,000 - $160,000 Contract

    About the team + roleWe are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a...


  • Toronto, ON, Canada Fivetran, Inc. Full-time €168,000 - €209,000 Contract

    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...


  • Toronto, ON, Canada DoorDash, Inc. Full-time

    About the RoleWe'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 and...


  • Toronto, Ontario, Canada Genius.AI LLC. Full-time

    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...

  • Sr. Software Engineer

    2 hours ago


    Toronto, Ontario, Canada eBay Full-time

    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,...


  • Toronto, Ontario, Canada Genius AI Full-time

    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...


  • Toronto, ON, Canada Validus Risk Management Full-time $80,000 - $100,000 Contract

    A financial technology firm is seeking a Senior Software Engineer skilled in Python and Rust. This role involves engaging with stakeholders, implementing AWS solutions, and designing data models for financial products. The ideal candidate holds a Bachelor's degree in a related field and possesses experience in modern programming languages and databases....


  • Toronto, ON, Canada Capital One Full-time $90,000 - $120,000 Contract

    A leading financial services company in Toronto is looking for a Principal Associate, Software Engineer. In this role, you will be responsible for backend and frontend development, utilizing programming languages like Java and Python. We offer a hybrid work environment and comprehensive benefits including mental health support and tuition subsidies. Join our...


  • Toronto, Ontario, Canada Harvey Full-time $196,800 - $270,600 Contract

    Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...