Jobs for backend engineer ruby at Toronto

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


  • Toronto, Ontario, Canada Stripe Full-time

    Who we areAbout StripeStripe is a financial infrastructure platform for businesses. Millions of companies - from the world's largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of...


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

    Okta is hiring a Staff Software Engineer- Backend, Device Identity in Canada. You will architect and scale server-side services using Java and Spring, build RESTful APIs, and work on high-performance databases like PostgreSQL/MySQL. You’ll mentor engineers, shape architecture, and advance CI/CD and security practices in a fast-paced, security-focused...


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

    Pursue an exciting opportunity as a Senior Backend Software Engineer in our hybrid Ottawa, Toronto, or Montreal location. Bring your proficiency in TypeScript and Microservices to design scalable, efficient systems. In this role, you will focus on building and maintaining backend APIs while working closely with a team of architects. Your ability to rapidly...


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

    A leading payment technology provider is seeking a Senior Software Engineer to join their team. This backend-focused role involves architecting and developing high-quality software solutions for payment processing systems. The ideal candidate has over 5 years of experience in software development, especially within the fintech sector. The position offers a...

  • BackEnd Developer Premium

    5 days ago


    Toronto, Ontario, Canada HCLTech Full-time

    5+ years building and operating production REST APIs in Node.js & TypeScript Hands-on AWS serverless experience — Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, SNS, SQS, Glue, ECS — built and run in production, not just in tutorials Strong REST API design skills — resource modeling, HTTP semantics, versioning, idempotency, and OpenAPI/Swagger...

  • Backend Engineer

    3 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Chexy Co. Full-time

    A fast-growing fintech company in Toronto is seeking a Backend Engineer to develop scalable payment processing systems. You will work on the core backend repository to facilitate transactions and integrate with payment networks. The ideal candidate has 2+ years in backend engineering, strong experience with Node.js and NestJS, and a grasp of relational...


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

    Elevate your career as a Senior Backend Engineer III at Fulfillment IQ, located in Toronto. In this full-time hybrid role, you will craft critical backend services to optimize global supply chains. In this position, you will build robust backend systems, design APIs, and ensure data integrity as part of our engineering team. With a focus on high performance...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Forma.ai Full-time

    A tech startup in Toronto is seeking a Staff Backend Engineer to lead the development of complex backend systems. The role involves designing backend services, mentoring engineers, and driving architectural decisions in a collaborative environment. Candidates should have significant experience with backend languages and strong data modeling skills. The...


  • Toronto, Ontario, Canada Cresta Full-time

    Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team...


  • Toronto, Ontario, Canada Tucows Domains Full-time

    A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, and familiarity with PostgreSQL. This role...


  • Toronto, Ontario, Canada Micromart Full-time

    A tech-driven retail platform company in Toronto seeks a Senior Software Engineer to enhance core systems and improve backend reliability. The role focuses on building and maintaining backend systems, integrating new product features, and collaborating across teams. Ideal candidates have strong experience with Node.js, TypeScript, and relational databases....


  • Toronto, Ontario, Canada Kaseya Limited Full-time

    About Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business...


  • Toronto, Ontario, Canada eBay Full-time

    eBay is building a new Toronto-based integration team focused on embedding core marketplace capabilities into adjacent platforms. This is a hands-on, technical leadership role for an experienced backend engineer who can define architecture, write production code, and drive execution across multiple stacks and geographies.You’ll lead architectural direction...


  • Toronto, Ontario, Canada Instacart Full-time

    Instacart is seeking a Senior Backend Engineer to lead core systems powering marketing platforms. You will own data ingestion pipelines, audience targeting services, and a reliable messaging backbone, collaborating across teams to drive impact.Ideal candidates have 5+ years in backend, strong Ruby/Go skills, and experience with Rails and Pandas. This remote...


  • Toronto, Ontario, Canada Monograph Full-time

    Who we areStripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead....


  • Toronto, Ontario, Canada YO AI Labs Full-time

    YO AI Labs is seeking a Software Engineer for a contract role focused on training and evaluating next-generation AI systems. The job suits developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and solve practical backend, full-stack, or systems problems.Required: 3+ years of hands-on software engineering experience...


  • Toronto, ON, Canada Kaseya Limited Full-time $150,000 - $190,000 Contract

    About Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business...


  • Toronto, Ontario, Canada Epistemix Full-time

    A technology company is looking for a Senior Back End Software Engineer to join their fully remote team. The ideal candidate will have at least 7 years of back-end software development experience and expertise in Python, FastAPI, and AWS services. This role involves designing and maintaining high-quality code, owning the software development lifecycle, and...


  • Toronto, Ontario, Canada Rakuten International Full-time

    Rakuten International in Toronto is seeking a skilled backend engineer to design, develop, and improve scalable systems using Java and Node.js. You will work with ambiguous requirements, define specifications, and apply AI-assisted development to accelerate delivery while upholding quality.You will collaborate across product, design, and operations to build...


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

    Elevate your career as a Senior Backend Engineer on Unity’s Diagnostics Team. This role emphasizes designing and maintaining critical systems that enhance game telemetry and reporting for developers. You will be at the forefront of developing backend solutions that handle large-scale data ingestion while ensuring high performance and reliability. Working...