api and integrations developer jobs in Toronto

10,000 api and integrations developer job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Canada Cerebras Full-time €120,000 - €180,000 Contract

    Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services. This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking...


  • Toronto, ON, Canada Slalom Build Full-time €120,000 - €180,000 Contract

    As a modern technology company, our Slalom Technologists are disrupting the market and bringing to life the art of the possible for our clients. We have passion for building strategies, solutions, and creative products to help our clients solve their most complex and interesting business problems. We surround our technologists with interesting challenges,...


  • Toronto, Ontario, Canada Slalom Full-time

    As a modern technology company, our Slalom Technologists are disrupting the market and bringing to life the art of the possible for our clients. We have passion for building strategies, solutions, and creative products to help our clients solve their most complex and interesting business problems. We surround our technologists with interesting challenges,...


  • Toronto, ON, Canada Engg Full-time €140,000 - €200,000 Contract

    Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services. This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking...


  • Toronto, Ontario, Canada Princeton IT Services, Inc Full-time

    Take on a vital role as a Senior Python Backend Engineer focusing on API and platform engineering in Toronto, Ontario. Develop scalable backend solutions for mission-critical financial platforms. This on-site position is suited for candidates with 5-10+ years of strong Python backend development experience. You will design and implement backend services...


  • Toronto, Ontario, Canada Apptoza Inc. Full-time

    Role: Integration Lead with eTransfer- (Azure / Banking Payments)Location: Toronto, ON 4days onsiteKey ResponsibilitiesAnalyze current-state Interac e-Transfer implementations by reviewing existing design documents, API specifications, and end-to-end payment flows across Digital Banking, Central 1, and Temenos T24 core banking systems.Translate high-level...


  • Toronto, Ontario, Canada Meridian OneCap Full-time

    Meridian OneCap Technology Team is seeking a Software Developer to design, develop, and integrate scalable web- and cloud-based applications. You will build RESTful APIs, work with Angular front-ends, and ensure robust data solutions across Microsoft technologies.You will participate in full SDLC, write tests, document work, and help optimize performance...


  • Toronto, ON, Canada Wealthsimple Full-time €120,000 - €180,000 Contract

    Join Wealthsimple as a Product Manager focusing on API strategy and client connectivity. Shape how clients interact with financial data securely and effectively. In this pivotal role at Wealthsimple, you will manage the APIs that streamline client access to financial data. You are expected to formulate the strategy for our Public API while improving the...


  • Toronto, Ontario, Canada Source Code Full-time

    Drive innovation as an API Developer with a focus on microservices at RQ09964/RQ09965. This one-year contract role demands expertise in building secure and efficient REST APIs for scalable applications. Seeking candidates with 8+ years of experience in API development, you will design RESTful APIs and oversee the architecture of decoupled microservices....

  • Java Integration Lead

    9 hours ago


    Toronto, Ontario, Canada Smart IT Frame LLC Full-time

    Job DescriptionWe are seeking a highly skilled Java Developer for our System Integration team in Halifax. In this pivotal role, you will bridge the gap between technical development and product management, focusing on integrating various systems and ensuring seamless transactions.Develop and integrate different tech stack based applications. Basically with...


  • Toronto, Ontario, Canada Cerebras Full-time

    Cerebras Systems is hiring a Senior Software Engineer to advance its ML inference APIs, crucial for AI applications. This hands-on role emphasizes developing fast, reliable API solutions for the world’s largest AI chip. In this versatile position, you will enhance existing infrastructure and design new APIs that facilitate real-time AI applications. The...


  • Toronto, Ontario, Canada Questrade Financial Group Full-time

    Questrade Financial Group (QFG), through its companies - Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti, provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help...


  • Toronto, Ontario, Canada Canadian Tire Full-time

    Canadian Tire Corporation is seeking a Platform Architect, Integrations to own and evolve the enterprise integration architecture, ensuring scalability, resilience, and loose coupling across distributed systems.ResponsibilitiesOwn and evolve the enterprise integration architecture supporting scalability, resilience, and loose coupling across distributed...


  • Toronto, Ontario, Canada Source Code Full-time

    Source Code is seeking a Sr. Software Developer - API to design, implement, and maintain high-quality REST APIs and microservices in Java/Spring Boot. You will work on secure, scalable systems deployed on Azure, with emphasis on API documentation, testing, and robust integration patterns.The role requires hands-on experience with Spring Integration,...


  • Toronto, ON, Canada Rubicon Path Full-time $100,000 - $130,000 Contract

    RQ08889 - Software Developer - API - Senior About the job RQ08889 - Software Developer - API - Senior Description A Note on Assignment Type: This position is currently listed as "Onsite"; however, the Assignment under this request will provisionally be "Hybrid", working 7.25 hours per calendar day, sometime between 8:00 AM and 5:00 PM (excluding breaks)...


  • Toronto, Ontario, Canada Keyrus Full-time

    Why Keyrus, Why Now! Why Keyrus, Why Now!Keyrus is an international group of 2,800 consultants and experts across 28 countries, built on a single conviction: AI does not transform businesses. Architected intelligence does. For more than 30 years, we have been building the data foundations that make intelligent systems work — designing the Operating System...


  • Toronto, Ontario, Canada Apexon Full-time

    Join Apexon as a Python Engineer focusing on backend and API engineering, based in Toronto. Contribute to developing robust financial platforms through highly scalable systems and APIs. As Apexon expands, we are seeking skilled backend engineers with Python expertise for our Toronto office. This onsite role requires strong skills in designing and developing...


  • Toronto, ON, Canada Prophix Full-time $80,000 - $95,000 Contract

    See What You Can Do With Prophix Prophix helps finance teams work with greater flexibility and confidence through Prophix One™, our Financial Performance Platform. We bring planning, reporting, and automation together so people can focus on higher-value work instead of repetitive tasks. As we introduce more AI-enabled capabilities, you will be part of a...


  • Toronto, ON, Canada Hopper Full-time €140,000 - €190,000 Contract

    About the Role We are seeking an exceptional Principal Product Manager to build the HTS API Marketplace — the commercial and developer-facing layer through which enterprise partners access Hopper's lodging and cars capabilities. This is a true 0-to-1 role. You will be the person who defines what it is: how capabilities are packaged and priced, how...

  • IT Architect

    10 hours ago


    Toronto, ON, Canada TD Bank Group Full-time €126,000 - €148,000 Contract

    Work Location Toronto, Ontario, Canada Hours 37.5 Line of Business Technology Solutions Pay Details $125,500 - $148,000 CAD This role is eligible for a discretionary variable compensation award that considers business and individual performance. TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth...