senior python backend jobs in Montreal

Become a key member of the ClickPipes team as a Senior Backend Engineer at ClickHouse Cloud, focusing on data ingestion services for high-performance systems. This role offers flexibility in a remote environment while driving technical decisions. At ClickHouse, we are seeking an experienced engineer with over 5 years of software development in distributed...

Build high-availability, low-latency identity systems at Affirm while using Python or Kotlin to support authentication and verification journeys remotely.As a Senior Software Engineer, you will own delivery for critical backend systems serving all Affirm products. You will understand business, product, and engineering context while leading engineers through...

Poka recherche un Développeur Backend Senior pour créer des solutions innovantes au sein de notre plateforme. Aimez-vous influencer l’architecture et relever des défis techniques complexes ? En tant que Développeur Backend Staff chez Poka, vous jouerez un rôle clé dans la définition de l’architecture et le guidage des équipes pour avancer dans...

Join a cutting-edge technology team as a Senior Java Backend Developer, contributing to high-profile modeling and simulation software. Collaborate with a global team, ensuring quality software delivery in an agile environment. We are seeking a highly motivated backend developer with 7-15 years of experience. Your role will involve close collaboration with...

At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend Developer. About the Role As part of a high-performing...

Build AI-powered backend systems in Ottawa with Python, workflow orchestration, and scalable data-intensive architecture on a hybrid schedule. Own production software from design through delivery. askpolly seeks a Senior Software Engineer with 5–8 years of professional experience. You will design backend services, robust APIs, and agentic workflows for an...

Term to perm | Nöord Technologies Corporation | Canada Job Information Work Experience 8 years City Downtown Montreal North State/Province Quebec H3A Job Description At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor...

Maîtrisez Java et Spring Boot comme Développeur Backend Java Senior chez Expretio, au sein d’une équipe Scrum basée à Montréal. Concevez des services backend pour Appia et l’industrie ferroviaire. Vous contribuerez au développement de la solution phare Appia, spécialisée en Revenue Management ferroviaire. Le poste combine conception,...

Python, FastAPI et IA générative définissent ce poste de développeur senior chez Mila, avec intégration de modèles et systèmes fiables. Au sein de l’équipe Développement d’applications IA, vous transformerez des prototypes et idées de recherche en plateformes robustes. Vous développerez des architectures backend, intégrerez des LLM et...

Développez des solutions backend Java modernes chez Extia Canada, au cœur d’environnements Cloud, DevOps et microservices exigeants. Évoluez dans un contexte Agile et anglophone.Comme Développeur Java Senior, vous concevez, développez et faites évoluer des applications backend. Vous intervenez sur des projets de build avec Java 11+, Spring Boot ou...

Independently own larged-scoped projects from initial discovery through launch with a focus on outcomes and customer impactCollaborate with a cross functional team to find solutions to customer challengesImprove the performance, reliability, and scalability of our existing systemsPromote engineering excellence through technical leadership, knowledge-sharing...

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization.You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

Term to perm | Nöord Technologies Corporation | Canada Job Information Work Experience 8 years City Downtown Montreal North State/Province Quebec H3A Job Description At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor...

At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend Developer. About the Role As part of a high-performing...

Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market,...

Elevate your career as a Senior Backend Software Engineer with Affirm, focusing on online storage solutions in a remote-first environment. Be part of a team that builds and scales large-scale database systems. Affirm is seeking a talented senior software engineer to enhance its Data and Storage Services team. This role involves working with relational and...

Nöord Technologies Corporation | Term to perm At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend...

Concevez des systèmes backend solides chez Mondata, majoritairement en télétravail, avec Go, Rust et architecture distribuée.Vous prendrez en charge des fonctionnalités de bout en bout pour WeActis, plateforme SaaS intégrée à Microsoft 365. Le poste s’adresse à une personne expérimentée, capable de concevoir, livrer et maintenir des systèmes en...

Elevate your career as a Senior Backend Developer focused on Identity and Access Management at Fullscript, a leader in health technology. Collaborate with a dedicated team to enhance security and scalability in IAM systems. This senior role requires expertise in authentication protocols and a passion for user security. You will engage in collaborative...

About the TeamThe ClickPipes team builds the services that power data ingestion into ClickHouse Cloud. As a primary entry point for customers’ data, ClickPipes is critical to product adoption and the company’s growth. We work at petabyte scale, solving challenges in distributed systems, fault tolerance, and high-throughput ingestion. You’ll help make...