backend engineer ruby jobs in Montreal

3,849 backend engineer ruby job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal, Quebec, Canada Capgemini Full-time

    At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and...


  • Montreal, Quebec, Canada Ironbelly Studios Full-time

    THE MISSIONBuild the backend that powers thousands of concurrent battles in our next-generation competitive FPS. This isn't web development with game features - this is architecting the real-time infrastructure that hardcore players demand: sub-50ms response times, bulletproof persistence, and flawless matchmaking for a title that will compete with CS2 and...


  • Montreal, Quebec, Canada Quik Hire Staffing Full-time

    We are hiring for one of our clients, seeking a Backend Java Developer to design, develop, and maintain scalable backend systems using Java and related technologies. The role involves collaborating with cross-functional teams to deliver high-performance solutions for critical business applications.Key Responsibilities:Develop and optimize backend services...


  • Montreal, Montreal (administrative region), Canada Triunity Software, Inc. Full-time €70,000 - €90,000 Contract

    A North American IT solutions provider is seeking a Fulltime Software Engineer with 4+ years of experience in Java, Spring framework, and database management. You will design and support software components while collaborating with cross-functional teams. Strong communication skills and agile team experience are crucial. The role offers a competitive salary...


  • Montreal, Quebec, Canada Dialogue Full-time

    Dialogue est le principal fournisseur de soins virtuels au Canada et recherche un Développeur(euse) logiciel senior, Backend, pour concevoir et faire évoluer des systèmes API critiques et services backend à grande échelle à Montréal et à distance selon les nécessités.Vous collaborerez avec les équipes Opérations et produit, concevrez des...


  • Montreal, Quebec, Canada Coveo Full-time

    Coveo in Montreal, Canada is seeking a Backend Developer to help build scalable AI-powered search and inference services. You will contribute to the development lifecycle, implement reliable backend systems in a cloud environment, and collaborate with scientists, data engineers and developers to deploy agentic workflows.Ideal candidates have 5+ years in...


  • Montreal, Quebec, Canada Abbeal SAS Full-time

    Abbeal SAS seeks an Intermediate Back-end Developer for a major bank in Montreal to build and maintain back-end applications and APIs in a demanding financial environment.Join a back-end team in a permanent Montreal-based role and help evolve applications and services that power critical banking operations.Experience with API architectures and databases is...


  • Montreal, Quebec, Canada Camunda Full-time

    Camunda is seeking a Backend Software Engineer for the Data Layer team to build and evolve the storage and query layer that powers Camunda 8's process data. You will work across relational databases and Elasticsearch/OpenSearch to ensure speed, accuracy, and availability at scale.The role involves partnering with product management, design, QA, and support,...


  • Montreal, Quebec, Canada Affirm Full-time

    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...


  • Montreal, Quebec, Canada Affirm Full-time

    Affirm is seeking a Backend Software Engineer to design and build the next generation of our Checkout Platform, delivering a world-class buying experience with a focus on reliability and performance. You will design and implement new APIs and microservice interfaces, own checkout components, and collaborate with teams across the company to improve the...


  • Montreal, Quebec, Canada EmploisTI, Inc. Full-time

    Build robust backend solutions with Motion as a Senior Software Engineer. Focus on designing, implementing, and maintaining high-quality APIs in a remote-first work environment. Motion is seeking a Senior Software Engineer proficient in backend development to enhance their AI-native platform. You will leverage your expertise in technologies like Node.js,...


  • Montreal, Quebec, Canada Dialogue Full-time

    Become a key player at Dialogue as a Senior Backend Software Developer, focusing on creating applications that foster employee wellness. Contribute to the leading virtual care platform in Canada. In this role, you will report to the Software Development Manager and leverage your abilities to build and refine critical applications and API services. Your...


  • Montreal, Quebec, Canada Lyft Full-time

    At the company, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. the company’s Bikes & Scooters team is developing the future of micro-mobility and we are looking for a solid, experienced Software Engineer to join our Stations Software Platform...


  • Montreal, Quebec, Canada United States Digital Space LLC Full-time

    At the company, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. the company’s Bikes & Scooters team is developing the future of micro-mobility and we are looking for a solid, experienced Software Engineer to join our Stations Software Platform...


  • Montreal, Quebec, Canada Ironbelly Studios Full-time

    Unleash your engineering skills as a Backend Engineer at Ironbelly in Montreal, creating an AI-powered game development framework. This role centers on scalable systems and game-related AI technologies. As part of our AI team, you will focus on the GameFrame AI platform, leveraging your backend and AI experience to enable innovative game development...


  • Montreal, Quebec, Canada Rippling, Inc. Full-time

    Dialogue est le principal fournisseur de soins virtuels au Canada et recherche un Développeur(euse) logiciel senior, Backend, pour concevoir et faire évoluer des systèmes API critiques et services backend à grande échelle à Montréal et à distance selon les nécessités.Vous collaborerez avec les équipes Opérations et produit, concevrez des...

  • Software Engineer

    2 days ago


    Montreal (administrative region), QC, Canada Vasco Full-time $90,000 - $150,000 Contract

    About Vasco Vasco is the revenue context layer for AI agents. The product was built around one idea: confident is not the same as correct, and revenue decisions get made on confidence all the time. We structure your CRM, billing, calls, and support data into a semantic layer where every metric is sourced, every definition is locked, and every answer is...


  • Montreal, Quebec, Canada Affirm Full-time

    Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...


  • Montreal (administrative region), QC, Canada EmploisTI, Inc. Full-time $80,000 - $110,000 Contract

    About Motion Motion is building the command center for creative strategists: an AI-native platform that bridges the gap between performance marketers and creative teams, so they can uncover what’s working, what’s not, and ship more winning ads across platforms like YouTube, LinkedIn, Meta, and TikTok. We’re at the forefront of AI as the foundation of...


  • Montreal, Quebec, Canada Cynet Systems Full-time $75 Permanent

    Job Overview: Requirement/Must Have: Proficiency in Java and Python with a solid foundation in object-oriented programming. Strong experience with MySQL or other RDBMS. Familiarity with AWS and infra-as-code for deploying and maintaining cloud-native applications. Knowledge of DataDog or similar observability tools for monitoring, alerting and...