Jobs for api developer at Toronto

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

  • Senior Mobile

    5 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rubicon Path Full-time

    A technology consulting firm in Toronto is seeking a Senior Software Developer to work in a hybrid capacity. The role involves enhancing existing applications, developing APIs, and ensuring high-quality, scalable software solutions. Candidates should have experience in cross-platform mobile development and integration with various systems. Strong...


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

    Shape the future of API integration as a Senior Software Engineer focusing on API development. This role demands technical acumen and expertise in enterprise-level software solutions. As a Senior Software Engineer, you will be responsible for the development and support of RESTful APIs in a complex environment. This position allows you to engage with...


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

    Elevate your career as a Senior API Software Developer at RQ09964/RQ09965. This contract position focuses on designing and implementing secure REST APIs using Java and Spring Boot to meet business requirements. With 8+ years of API software development experience, you will create robust applications through detailed programming specifications. You will...


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

    Elevate your career as an IBM API Connect Developer, utilizing your expertise in API management and development. This role focuses on end-to-end API lifecycle management and secure integrations. As an IBM API Connect Developer, you will design and maintain APIs while managing their complete lifecycle. Key responsibilities include configuring API Gateway...

  • BackEnd Developer Premium

    3 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...


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

    A leading software development company in Toronto is seeking a Senior Software Developer specializing in API development. The ideal candidate will have at least 4 years of experience in C# and 3 years in .NET Core or .NET 5+. Responsibilities include translating technical specifications into applications and collaborating across teams.


  • Toronto, Ontario, Canada Source Code Full-time

    About the job RQ09885 - Sr. Software Developer - API RQ09885 - Sr. Software Developer - API On-site (During the duration of the assignment, you will be under the discretion of the Hiring Manager's requirements for the Project you are assigned to) Contract 1 year, 2 possible extensions Security Level: CRJMC A senior API Software Developer with 8+ years of...


  • Toronto, Ontario, Canada Rubicon Path Full-time

    RQ09329 - Software Developer - API - Senior About the job RQ09329 - Software Developer - API - Senior Required to translate technical systems specifications into working, tested applications. This includes: developing detailed programming specifications writing and/or generating code compiling data‑driven programs, maintaining, and conducting unit...


  • Toronto, ON, Canada Source Code Full-time

    About the job RQ09605 - Sr. Software Developer - API RQ09605 - Sr. Software Developer - APIDowntown, TorontoOn-site (hybrid, depending on HM requirements for the project)Security Level: CRJMC (must get clearance before start date)A senior API Software Developer with 8+ years of experience will be responsible for creating and using APIs to translate...


  • Toronto, Ontario, Canada Rubicon Path Full-time

    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)...

  • Java Developer Premium

    4 hours ago


    Toronto, Ontario, Canada Veracity Full-time

    Java Developer / API Integration Specialist Candidates must be LOCAL to Halifax, NS OR Toronto, ON / Canada Only Hybrid 3 days a week. Interview Required: Video We need: A mid-senior (6+ years) Java developer who specialized in API Integrations. Candidates must be able to Design and document robust API integrations to facilitate email data exchange...


  • Toronto, Ontario, Canada Rubicon Path Full-time

    RQ09373 - Software Developer - API - SeniorAbout the job RQ09373 - Software Developer - API - SeniorResponsibilitiesRequired to translate technical systems specifications into working, tested. This includes:developing detailed programming specificationswriting and/or generating codecompiling data-driven programs, maintaining, and conducting unitAnalyzes,...

  • IBM API Connect

    1 day ago


    Toronto, ON, Canada Dawninfotek Full-time €90,000 - €130,000 Contract

    IBM API Connect (APIC) Developer Key Responsibilities - Design, develop, and maintain APIs usingIBM API Connect (APIC)and related technologies. - Manage thefull API lifecycle: planning, design, implementation, testing, deployment, monitoring, and retirement. - Configure and manageAPI Gateway policies(security, throttling, rate limiting, transformations,...


  • Toronto, Ontario, Canada Rubicon Path Full-time

    RQ09147 - Software Developer - API - SeniorAbout the job RQ09147 - Software Developer - API - SeniorDescription:Responsibilities Required to translate technical systems specifications into working, tested applications. This includes: o developing detailed programming specifications o writing and/or generating code o compiling data-driven programs,...


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

    About the job RQ09605 - Sr. Software Developer - API RQ09605 - Sr. Software Developer - API Downtown, Toronto On-site (hybrid, depending on HM requirements for the project) Security Level: CRJMC (must get clearance before start date) A senior API Software Developer with 8+ years of experience will be responsible for creating and using APIs to translate...

  • IBM API Connect

    3 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Dawninfotek Full-time

    IBM API Connect (APIC) Developer Key Responsibilities Design, develop, and maintain APIs using IBM API Connect (APIC) and related technologies. Manage the full API lifecycle : planning, design, implementation, testing, deployment, monitoring, and retirement. Configure and manage API Gateway policies (security, throttling, rate limiting,...


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

    About the job RQ09885 - Sr. Software Developer - API RQ09885 - Sr. Software Developer - API On-site (During the duration of the assignment, you will be under the discretion of the Hiring Manager's requirements for the Project you are assigned to) Contract 1 year, 2 possible extensions Security Level: CRJMC A senior API Software Developer with 8+ years...

  • API Developer

    5 days ago


    Toronto, ON, Canada Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision! Full-time $80,000 - $120,000 Contract

    Role: API Developer Hybrid: 2 days in office API development using REST / JSON (and SOAP if applicable) Java / Spring Boot API Gateway experience (Azure/AWS API Gateway) API security: OAuth 2.0, JWT, SSO, API key management API documentation: Swagger / OpenAPI Integration experience with microservices and backend systems Experience with Postman, unit...


  • Toronto, ON, Canada Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision! Full-time $80,000 - $120,000 Contract

    A tech company in Toronto is seeking an experienced API Developer for a hybrid role that requires working in the office two days a week. The successful candidate will utilize their expertise in API development with REST / JSON, Java, and Spring Boot, while ensuring robust security measures such as OAuth 2.0. Familiarity with API documentation and integration...


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

    Intuit is seeking a Staff Software Developer to join the API Management Platform team in Toronto. You will help build an end-to-end API Management Platform for Restful, GraphQL, and Async APIs, delivering scalable, secure software across the stack.You will collaborate with global teams, design durable software, and lead technical discussions while mentoring...