Jobs for senior python backend at Toronto

1,000 senior python backend job listings in Canada. Find daily updated positions from leading job boards.


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

    Une entreprise de technologie recherche un ingénieur logiciel senior à Toronto pour aider les immigrants hautement qualifiés. Vous participerez à la conception et au développement de solutions logicielles et travaillerez en étroite collaboration avec l'équipe pour assurer une mise en œuvre efficace. Le candidat idéal possède des compétences...


  • Toronto, ON, Canada MedMe Health Limited Full-time €116,000 - €156,000 Contract

    The Opportunity We're at an exciting point: agentic automation is moving from prototype to production, and we need a senior engineer who can own high-impact work end-to-end. You'll turn ambiguous goals into shippable milestones, operate what you build in production, and iterate fast based on real customer feedback — all in a team that moves quickly...

  • Senior Developer

    1 week ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Pacer Group Full-time €63 Temporary

    Job Title: Senior Developer – Java / Python Hybrid – 2 Days/Week Onsite Employment Type: Contract Pay Rate: CAD $63/hour Incorporated. We are looking for an experienced Senior Developer with 8–10 years of experience to join our team and work on critical applications in the Cards & Payments domain. Java & Advanced Java Concepts Python ...


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

    WHAT IS THE OPPORTUNITY? We are looking for a Data Engineering Tools Developer to build internal tools, frameworks, and developer utilities that improve the productivity and reliability of our Data Engineering teams. This role focuses on developing Python-based frameworks, Streamlit applications, and reusable engineering tools that enable faster...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada d1g1t, Inc. Full-time

    Shape the future of wealth management as a Senior Python Developer at d1g1t. Focus on robust coding practices and scalable solutions in a hybrid work setup. As a Senior Python Developer at d1g1t, you will play a critical role in driving implementation strategies while mentoring others. Your focus on scalable code and effective project management will ensure...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Fulfil Full-time €115,000 - €170,000 Temporary

    About the Role Fulfil is hiring a Senior Python Engineer in Toronto to become a key technical partner for our North American customers, our India-based engineering team, and our Product Lead for Integrations. This is not a narrow implementation role. You will work across product engineering, integrations, support, implementation, and customer-facing...

  • Product Engineer

    1 day ago


    Toronto, Ontario, Canada Faire Full-time

    About Faire Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we’re using the power of tech, data, and machine learning to connect this thriving...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Intact Financial Corporation Full-time

    Together, we help people, businesses, and society prosper in good times and be resilient in bad times. In return, we promise to provide support, opportunities and performance-led financial rewards at a workplace where you can shape the future, win as a team and grow with us. Flexible work arrangements and a hybrid work model Multiple benefits...


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

    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 disciplines. ...


  • Toronto, Ontario, Canada Recrute Action Full-time

    Senior .NET Backend Developer (REST APIs / Microservices) (100% Remote, Toronto ON) Bring your expertise to a dynamic insurance organization committed to innovation and digital excellence. Collaborate with high-performing teams, work with modern technologies, and contribute to strategic initiatives that are shaping the future of enterprise technology...


  • Toronto, Ontario, Canada Thomson Reuters Full-time

    Elevate your career as a Senior Software Engineer at Thomson Reuters, focusing on AI systems that transform accounting practices. This hybrid opportunity combines backend development with innovative AI integration using Python. As a Lead Software Engineer, you'll spearhead the design of AI-native systems that enhance the efficiency of accounting workflows....

  • Senior Python/AI Engineer Premium

    1 week ago


    Toronto, Canada Royal Bank of Canada Full-time

    Job DescriptionWHAT IS THE OPPORTUNITY?We are looking for a Data Engineering Tools Developer to build internal tools, frameworks, and developer utilities that improve the productivity and reliability of our Data Engineering teams. This role focuses on developing Python-based frameworks, Streamlit applications, and reusable engineering tools that enable...


  • Toronto, Ontario, Canada Apertera (formerly Alexa Translations) Full-time

    Apertera is leading the evolution of language solutions for high-stakes content. We partner with enterprises as an extension of their teams, combining professional expertise with Adaptive AI technology that is continuously refined by client context.For more than twenty years, Apertera has set the bar for legal, financial, and regulatory translation, serving...


  • Toronto, ON, Canada Pace XL Ltd. Full-time €120,000 - €180,000 Contract

    Accelerate your career at Fleet Space as a Senior Software Engineer, where you’ll innovate cloud and backend architectures in a hybrid setting. Enhance our ExoSphere technology with your expertise in AWS, Python, and data architecture. Based in Toronto or Adelaide, this senior role emphasizes driving essential software projects for our cutting-edge...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Socket.dev Full-time

    Shape the future of finance as a Senior Backend Engineer at Mydoh. This full-time role focuses on implementing security compliance while developing robust backend services to support our platform. Join Mydoh in Toronto to blend backend engineering skills with a strong emphasis on security operations. You will utilize your expertise in TypeScript and NestJS...


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

    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. With 2400+ customers in...


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

    Join Faire as a Senior Software Engineer and empower retailers through innovative technology. Focus on the Insider membership program to drive growth and engagement. This senior engineer role involves owning the backend services that support the Insider membership program. You will collaborate closely with Data Science and Product Development to prototype...


  • Toronto, ON, Canada Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision! Full-time $120,000 - $190,000 Contract

    Senior Software Engineer – NX, NestJS, TypeScript/Node.js, Kafka & MongoDB Toronto, ON - Hybrid (4 Days WFO) Experience: 8+ years in software engineering| with strong hands-on experience in TypeScript/Node.js| NestJS| and NX monorepo delivery Role Summary We are hiring a senior engineer to help deliver the AVA Modernization program| moving a legacy...

  • Senior AI Engineer

    7 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada BayOne Solutions Full-time

    A technology firm is hiring a Senior Full Stack Engineer (Backend-Leaning) with a strong focus on backend services and AI applications. The ideal candidate will have experience in building agent-based applications and API integrations, along with a hands-on mindset for AI implementations. Strong collaboration skills with product and engineering teams are...


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

    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. With 1500+ customers in...