senior backend software engineer python jobs in Montreal

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  • Montreal, QC, Canada Unity Technologies SF Full-time $120,000 - $180,000 Contract

    L'opportunitéChez Unity, nous développons une plateforme publicitaire de calibre mondial qui fonctionne à très grande échelle partout dans le monde. L'équipe Ads conçoit les systèmes qui mettent en relation les annonceur(euse)s, les créateur(rice)s et les joueur(euse)s, favorisant ainsi la performance, la fiabilité et la croissance de notre...


  • Montreal, QC, Canada LE140 Unity Technologies Canada Company Full-time

    Développeur(euse) de logiciels sénior, Unity Services Foundation En plus de notre éditeur et de notre moteur, Unity propose diverses solutions pour concevoir des jeux et des expériences 3D enrichies par des données en temps réel. Notre équipe, Unity Services Foundation, joue un rôle essentiel dans cette mission : elle fournit les fonctionnalités de...


  • Montreal, Quebec, Canada Aduna Global, LLC Full-time

    All Together, Extraordinary www.adunaglobal.com Aduna Global normalizes and proxies CAMARA Network APIs across multiple global CSPs. For our enterprise customers, latency, throughput, and error rates are the value proposition. We are hiring a senior backend engineer to own performance as a production engineering discipline: profiling live systems, shipping...


  • Montreal, QC, Canada Unity Full-time

    L'opportunitéChez Unity, nous développons une plateforme publicitaire de calibre mondial qui fonctionne à très grande échelle partout dans le monde. L’équipe Ads conçoit les systèmes qui mettent en relation les annonceur(euse)s, les créateur(rice)s et les joueur(euse)s, favorisant ainsi la performance, la fiabilité et la croissance de notre...


  • Montreal, QC, Canada Mizo Full-time $90,000 - $120,000 Contract

    We're looking for a Software Engineer to help shape what the Mizo Product becomes. In this role, you will own problems end-to-end, from discovery to shipping, and iterate fast based on real user feedback.Mizo is building AI agents that automate service desk operations for Managed Service Providers. Our agents handle ticket triage, client communication,...


  • Montreal, QC, Canada Insight Global Full-time $110,000 - $125,000 Contract

    Join a fully remote team as a Senior Software Engineer specializing in mobile application development. Drive technical execution using Flutter for seamless app integration within the product ecosystem. This permanent, full-time role requires over 7 years of expertise in mobile development. You'll collaborate with Product Management and Engineering teams to...


  • Montreal, QC, Canada WebHosting Full-time $120,000 - $180,000 Contract

    GoDaddy Canada in Ontario is seeking a Senior Software Development Engineer to join a team that builds enterprise data platform services. You will work on automation, modernization, and AI-assisted solutions, delivering reliable platform services and improving developer productivity at scale.The role emphasizes hands-on engineering with AWS and Python, with...


  • Montreal, QC, Canada fiveonefour Full-time $90,000 - $120,000 Contract

    A leading data platform company in Canada is seeking a Senior Engineer to build and maintain their Boréal hosting platform and Moose open-source project. This role offers the chance to collaborate closely with product and design teams in a flexible, remote-first environment. Ideal candidates have robust experience in Rust and Typescript and are comfortable...


  • Montreal, QC, Canada Extreme Networks, Inc Full-time $130,000 - $150,000 Contract

    Extreme Networks, Inc. in Toronto (Remote) seeks a Principal Wireless Software Engineer to lead the most complex customer escalations and drive end-to-end technical resolutions across embedded software, wireless connectivity, and networking.You will mentor engineers, collaborate with cross-functional teams, and apply AI-assisted diagnostics to improve...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada EXFO Inc. Full-time

    EXFO Inc. is seeking a Senior Backend Software Developer to design, develop, and evolve backend services powering its fiber monitoring platforms. You will work on distributed systems, API-driven services, and data pipelines in production-scale environments. The role emphasizes autonomy, end-to-end ownership, and collaboration with Product, QA, and DevOps...


  • Montreal (administrative region), QC, Canada Kake Remote Full-time $185,000 - $256,000 Contract

    We’re looking for a Senior SEO/GEO Software Engineer to build the systems and tools that help our websites get crawled, rendered, indexed and surfaced by both traditional search engines and AI-powered answer engines. This is a hands-on engineering role focused on technical SEO, site performance and automation. You’ll fix the technical foundations of our...


  • Montreal, QC, Canada Abbeal Full-time

    Développeur·se IA sénior (Senior AI Engineer) : Python, TypeScript, Google ADK, legaltech, Montréal (hybride)Recrutement permanent : rejoins une startup IA montréalaise en forte croissance et prends un rôle clé dans un nouveau projet qui veut révolutionner le secteur juridique. Python, TypeScript, Google ADK. Hybride à Montréal. Abbeal recrute un...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Firstbase Full-time

    Concevez des services backend évolutifs avec AWS et Go chez AppDirect, dans une organisation hybride favorisant la communication asynchrone. Comme développeur logiciel senior, vous créez des applications multiniveaux résilientes et performantes pour Tackle, l’unité d’AppDirect. Vous utilisez des chaînes d’outils modernes, livrez fréquemment en...


  • Montreal, Quebec, Canada Raas Infotek LTD Full-time

    Apply Python development and UNIX/Linux scripting as a Senior Automation Engineer focused on infrastructure automation solutions. Improve software deployment and patching through automation.This experienced Senior Automation Engineer designs, develops, and maintains automation solutions for infrastructure patching and application deployment. The work also...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Soho Square Solutions Full-time

    Design and develop complex software systems and applications, setting high standards for quality and innovation. Leverage Generative AI tools and coding assistants to enhance development velocity and solution quality. Deliver solutions that meet performance, scalability, and security requirements. Drive technical excellence through code reviews, design...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Jeeves Full-time

    Build Jeeves financial services remotely with Go, Python, or TypeScript while designing reliable systems for global payments and cards. Work full time from anywhere. As a Senior Backend Engineer, you will build backend services powering payments, cards, spend management, and compliance infrastructure. You will work with RESTful and GraphQL APIs, databases,...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Vo2-Group Full-time

    VO2 GROUP, leader indépendant en conseil tech et numérique, recherche un Développeur Java pour réaliser des missions ponctuelles chez des clients. Vous développerez des back-ends solides, privilégierez un code propre et l’industrialisation jusqu’au déploiement, sur des projets variés et stimulants. Le candidat idéal possède 5 ans...


  • Dorval, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada ThoughtStorm Inc. Full-time

    Hiring: Senior Hydromechanical Systems Engineer – Aerospace We are looking for an experienced Senior Hydromechanical Systems Engineer to support the design, integration, development, testing, and certification of aerospace systems. Experience in Hydromechanical Systems design, integration, development, and certification is essential. Strong...


  • Dorval, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Bombardier Full-time

    Elevate your engineering career with Bombardier as a Senior Software and Hardware Engineering Specialist in Dorval, QC. Bring your expertise in software and electronic hardware to shape aviation excellence. This senior role at Bombardier requires an engineering degree and 15 years of experience, with a focus on aeronautics and compliance standards. You will...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Cisco Systems Full-time

    Drive the future of data ingestion at Cisco as a Senior Software Engineer specializing in cloud solutions. This remote role focuses on Go development and Kubernetes operations. At Cisco, you will play a pivotal role in the Splunk Data Management organization. As a hands-on technical leader, you will drive the architecture of a cloud-native data ingestion...