python backend engineer jobs in Montreal

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


  • Montreal, QC, Canada Elasticsearch B.V. Full-time $128,000 - $203,000 Contract

    Build Elastic Cloud offerings through backend engineering, technical design, and sophisticated debugging with Scala, Java, or Go. Work within a globally distributed team of engineers.This Senior Software Engineer role supports Elastic’s Control Plane - Hosted team and key functional areas of its Cloud offerings. You will analyze system strengths and...


  • Montreal, QC, Canada Jobgether Full-time $120,000 - $170,000 Contract

    Design scalable backend systems for payment protection as a Senior Engineer, working fully remotely from Canada with fraud prevention expertise. Build reliable automation for disputes and risk management.This Senior Backend Engineer role focuses on payment dispute management, fraud prevention, and risk automation. You will own systems through architecture,...


  • Montreal, QC, Canada Alignerr Corp. Full-time $83,000 - $138,000 Contract

    Power AI training and inference with model-serving infrastructure, data pipelines, and high-performance APIs through Alignerr’s remote hourly contract. Work flexibly.As a Back End Developer at Alignerr, you will build server-side systems that support AI products and real-world traffic at scale. The work includes scalable microservices, performance...


  • Montreal, QC, Canada Akamai Technologies, Inc. Full-time $120,000 - $217,000 Contract

    Build high-scale backend data services at Akamai using Python, Java, or Go with hands-on development across Cloud Data Services. Work within a global engineering team.As a Senior II Software Engineer, you will design and scale backend services, APIs, microservices, and distributed systems. You will balance technical oversight with development, clarify...


  • Montreal, Quebec, Canada Kake Full-time

    Kake is a remote-first company and a people-first global community of senior engineers. Kake engineers are behind some of the world’s most innovative products (Brands you’ve heard!), from Fortune 500 to fast-growing companies. We believe it’s not where your table is, but what you bring to the table that matters. Our community spans 45,000+ engineers...

  • GenAI Engineer

    4 hours ago


    Montreal, Quebec, Canada Linuxassociation Full-time

    # GenAI Engineer (Python, RAG, LangChain, LangSmith)Apptad Inc · , CABack to resultsGenAI Engineer (Python, RAG, LangChain, LangSmith)Apptad Inc, CA Posted October 26, 2026 Via Talent.com### Full Job DescriptionJob Title: GEN AI Engineer (Python,RAG, LangChain, LangSmith)Job Location: Montreal, QC (3 days in a week)Job Type: Full-TimeOur challengeWe are...


  • Montreal, Quebec, Canada Mindrift Full-time

    A leading AI consultancy is looking for experienced Mechanical Engineers with strong Python skills for a freelance role. You will be responsible for training and evaluating AI models on complex mechanical engineering problems. This fully remote position offers flexible part-time hours, with the chance to earn up to $38/hour. Ideal candidates will have a...


  • Montreal, QC, Canada Genpact Ltd. Full-time $90,000 - $130,000 Contract

    Genpact Ltd. à Montréal recherche un Ingénieur Prompt pour développer et maintenir des solutions d’IA générative et d’ingénierie de prompts.Vous travaillerez au sein d’une équipe ML et collaborerez avec des clients et des experts métier pour comprendre les exigences et livrer du code Python de qualité. Le candidat idéal possède une solide...


  • Montreal, QC, Canada Outlier Full-time $80,000 - $113,000 Contract

    Outlier is offering a freelance, remote OpenClaw Agent Builder role in Canada, paying up to $50 USD/hr with weekly payments. You’ll help shape autonomous agents like OpenClaw by building modular, production-grade software that handles data parsing, logic processing, and reporting.The work supports multi-turn interactions in live environments and offers...


  • Montreal, Quebec, Canada Miratech Full-time

    Miratech is seeking a Senior AI Engineer with Python, LangGraph and LangChain to join our US healthcare client. You will play a key role in developing and enhancing an enterprise AI platform that enables intelligent workflows, conversational experiences, and AI-powered automation across multiple business functions. This is an exciting opportunity to work...


  • Montreal, QC, Canada Elsevier Full-time $79,000 - $131,000 Contract

    Java Python Software Engineer I – MontrealDo you enjoy being part of team that develops high-quality code? Do you enjoy ensuring the quality of software delivered?About our TeamOur Technology teams uses cutting-edge technologies to build products and systems to advance science and health. We provide our customers with powerful digital solutions, helping...


  • Montreal, QC, Canada Outlier Full-time $80,000 - $113,000 Contract

    Outlier is inviting skilled contributors to help shape autonomous agents like OpenClaw. This freelance, remote role offers up to $50 USD per hour with weekly payments and the freedom to choose your schedule.Ideal candidates bring backend engineering or AI automation experience, with a track record in building production-grade systems and delivering clear,...


  • Montreal, QC, Canada ChrysaLabs inc. Full-time $70,000 - $110,000 Contract

    ChrysaLabs Montréal, au Québec, recherche un Développeur(se) logiciel - Spécialiste en intégration de données pour relier les données clients à nos systèmes et construire des pipelines fiables. Vous écrirez des scripts Python pour parser, nettoyer et intégrer des données hétérogènes, développerez des outils internes et assurerez la qualité...


  • Montreal, QC, Canada RELX INC Full-time $79,000 - $131,000 Contract

    Montreal Full time R119194 Java Python Software Engineer I – Montreal Do you enjoy being part of team that develops high-quality code? Do you enjoy ensuring the quality of software delivered? About our Team Our Technology teams uses cutting-edge technologies to build products and systems to advance science and health. We provide our customers with powerful...

  • Freelance AI Trainer

    7 hours ago


    Montreal, QC, Canada Mindrift Full-time $37,505 - $53,416 Contract

    OverviewThis opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.What We...


  • Montreal, QC, Canada Crossing Hurdles Full-time $241,000 - $343,000 Contract

    Position: Senior Software Engineer Python/TypeScriptType: Contractor AssignmentCompensation: $150/hrLocation: RemoteCommitment: Part-time(20 hours/week), with at least 4 hours overlap during PST business hoursRole ResponsibilitiesBuild and maintain pipelines and infrastructure supporting AI data generation, collection, and evaluation workflows.Design,...


  • Montreal, Quebec, Canada Relx Plc Full-time

    ## Python Java Sr Software Engineer -MontrealApply: Montreal: Full time: Posted Today: R119194**Java Python Software Engineer I – Montreal**Do you enjoy being part of team that develops high-quality code?Do you enjoy ensuring the quality of software delivered? ## **About our Team**Our Technology teams uses cutting-edge technologies to build products and...


  • Montreal, QC, Canada TMC Canada Full-time $90,000 - $130,000 Contract

    Morgan Stanley's Operations Technology engineers power movement and custody of capital by building AI-enabled automation for shared ops. The team creates Python-based solutions that automate manual workflows and life-cycle management across groups.You will collaborate with clients and experts to translate requirements into robust Python apps, contribute to...


  • Montreal, QC, Canada RX Brasil Full-time $79,000 - $131,000 Contract

    Java Python Software Engineer I - MontrealDo you enjoy being part of team that develops high-quality code? Do you enjoy ensuring the quality of software delivered?About our TeamOur technology teams use cutting-edge technologies to build products and systems to advance science and health. We provide our customers with powerful digital solutions, helping them...


  • Montreal, QC, Canada Affirm, Inc. Full-time $120,000 - $180,000 Contract

    As a Senior Software Engineer, you will build the data and measurement foundations that connect consumer acquisition activity across paid media, SEO/AEO, and other growth channels to downstream outcomes such as signup, conversion, and GMVYou will work at the intersection of data engineering and marketing technology, building reliable pipelines, identity and...