Average salary: $126,799 /yearly

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  •  ...healthcare, retail, electronics, telco, food, etc. Who we need Reporting to the Engineering Manager, we are looking to add an API Developer to our Agile development team. You will play a highly valued role on web initiatives from conception to post-production. You will... 
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    Venngo

    Toronto, ON
    1 day ago
  •  ...Job Responsibility: Aarorn Technologies is currently seeking a highly motivated Cloud API Developer. Job Title: Cloud API Developer Location: Toronto, ON (Thrice a Week Onsite) : Must-have 7+ years of experience in an application development role with a proven track... 
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    Full time

    Aarorn Technologies Inc.

    Toronto, ON
    3 days ago
  •  ...Designing and coding application programs; performing testing for developed applications. Reviewing, analyzing, and modifying programming...  ...application systems. What do you need to succeed? Must have: API Development language and frameworks, such as Java/Spring Boot... 
    Suggested
    Full time

    Royal Bank of Canada

    Toronto, ON
    1 day ago
  •  ...Position: Senior API - Software Developer Duration: 1 Year assignment (contract) Client Location: Toronto ( Onsite : 7.25 hours/day between 8:00 AM and 5:00 PM, Monday to Friday) Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only)... 
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    Akkodis

    Toronto, ON
    7 days ago
  • We are seeking a highly skilled Senior Software Developer - API to join our team in Toronto. This role is focused on designing and implementing complex integrations within the Dynamics 365 and Microsoft Power Platform ecosystems. You will be responsible for translating technical... 
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    Contract work

    Randstad

    Toronto, ON
    7 days ago
  • $86k per year

     ...February 24th, 2026 Looking for more job opportunities? Click here! Job Type: Full Time Job Category: IT Job Title: API Developer Location: Toronto, ON Work Mode: Hybrid "Skills Required: Hands-on experience of 6 to 8 years in automation... 
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    Full time

    Realign LLC

    Toronto, ON
    22 days ago
  • We are seeking a highly technical Senior Software Developer - API to lead the design and implementation of modern interoperability solutions in Toronto. This role focuses on bridging Dynamics 365, Power Platform, and Azure cloud technologies through robust REST API development... 
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    Long term contract
    Contract work

    Randstad

    Toronto, ON
    15 days ago
  •  ...of different auth mechanism, C, .NET, REST APIs · Candidate should be very strong in programming...  ...for different Data Connectors. · Develop ARM Template for connectors and deploy...  ...have sound knowledge of Azure, C, .NET, REST API, KQL. · Candidate should be very strong... 
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    Contract work
    Manual labor
    Remote work

    Astra North Infoteck Inc.

    Toronto, ON
    10 days ago
  •  ...Role: Core Java Developer Experience: 8-10 years Role Summary We are looking for...  ...high‑performance backend systems, APIs, and microservices. The ideal candidate will...  ...Banking environments. - Exposure to Java API management or enterprise API gateway solutions... 
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    Contract work

    Astra North Infoteck Inc.

    Toronto, ON
    21 days ago
  • We are seeking a Senior Software Developer - API to design, develop, and implement mission-critical web applications and integration layers. This role focuses on bridging the gap between custom .NET development and the Microsoft Dynamics 365/Power Platform ecosystem. You will... 
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    Long term contract
    Contract work
    Work at office

    Randstad

    Toronto, ON
    a month ago
  •  ...Position: Senior API - Software Developer Duration: 1 Year assignment (contract) Client Location: Toronto ( Remote : 7.25 hours/day between 8:00 AM and 5:00 PM, Monday to Friday) Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only)... 
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    Contract work
    Temporary work
    Remote work
    Monday to friday
    Toronto, ON
    a month ago
  • We are seeking a Senior Software Developer with over 10 years of experience to lead the enhancement of the client application. The primary focus of this role is the development of a critical new data exchange interface between provincial and national systems, ensuring the seamless... 
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    Long term contract
    Remplacement
    Contract work
    Remote work

    Randstad

    Toronto, ON
    a month ago
  •  ...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... 
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    Full time
    Work at office

    Astra North Infoteck Inc.

    Toronto, ON
    a month ago
  •  ...Design & Development • Design, develop, and maintain high quality, scalable backend services and APIs. • Build applications using Scala, Java, and Spring Boot following modern engineering practices. • Ensure code is modular, maintainable, and optimized for performance... 
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    Astra North Infoteck Inc.

    Toronto, ON
    21 days ago
  •  ...Reporting to the Vice President of Engineering, we are looking for an API Software Engineering Manager to take ownership of our API...  ...and resilient development. You will take ownership of growing and developing the team, including hiring, performance management, and career pathing... 
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    Long term contract
    Full time
    Internship
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    Remote work
    Flexible hours
    Shift work

    illumin

    Toronto, ON
    1 day ago
  • $70k - $115k per year

     ...responsibility of this role is to contribute to the development of RESTful APIs to support our front-end applications. You will modify existing...  ...and secure code. Improve tools and processes related to API development. Create documentation for the APIs, tools and processes... 
    Full time
    Seasonal work
    Night shift

    CMiC

    Toronto, ON
    7 days ago
  •  ...We are seeking a highly skilled Full Stack Developer with deep expertise in React.js for...  ...performance web applications, integrating APIs, and contributing to full end‑to‑end development...  ...Required Skills: · React.js · Java API Management · Microservices... 
    Full time

    Astra North Infoteck Inc.

    Toronto, ON
    5 days ago
  • $110k per year

     ...Click here! Job Type: Full Time Job Category: IT QE - API Toronto, ON - Onsite Expert in Java and Selenium....  ...testing experience is added advantage Required Skills CLOUD DEVELOPER ENGINEERING ARCHITECT ENVIRONMENT SUPPORT ANALYST EPIC GRAND... 
    Full time

    Realign LLC

    Toronto, ON
    23 days ago
  •  ..., committed to results, in an inclusive and high-performing culture. Purpose The Team Lead – API Development is responsible for leading a team of developers to deliver high-quality API solutions. This role ensures operational excellence through effective release... 
    Flexible hours

    Scotiabank

    Toronto, ON
    29 days ago
  • $135k - $160k per year

     ...looking for a highly-skilled and experienced Senior Software Engineer, API to join our dynamic organization. This role will play a pivotal...  ..., and maintainable solutions. What You'll Do Here: Design, develop, and maintain high-quality, secure, and scalable APIs within Node... 
    Long term contract

    Viral Nation

    Toronto, ON
    15 days ago
  • $110.68k per year

     ...Posted February 24th, 2026 Looking for more job opportunities? Click here! Job Type: Full Time Job Category: IT Job Title: API BSA Location: Toronto, ON Work Mode: Hybrid "Skills Required: Hands-on experience of 4 to 6 years as business... 
    Full time

    Realign LLC

    Toronto, ON
    22 days ago
  • $156.8k - $235.2k per year

     ...’re looking for Backend Engineers who want to make an impact on managing money at a global scale with a passion for building ergonomic APIs. You’ll play a key role in extending our balance management platform and in building out a new funds accessibility platform leveraged by... 
    Internship
    Work at office
    Local area

    Stripe

    Toronto, ON
    7 days ago
  • $65k - $115k per year

    API Automation Tester Position Description This role is hybrid and requires you to be at our downtown Toronto and/or Client office...  ...scripting, and CI/CD pipelines. The ideal candidate will design, develop, and execute automated API tests while working closely with cross... 
    Work at office
    2 days per week
    Toronto, ON
    more than 2 months ago
  •  ...TEHORA est présentement à la recherche d’un(e) développeur(se) backend senior ayant une solide expérience en développement d’API sécurisées. Sans être exhaustifs, voici les services et livrables que devra fournir la personne retenue. Développer des API REST sécurisées... 
    Hourly pay
    Full time
    Contract work
    Apprenticeship
    Remote work
    Flexible hours

    TEHORA

    Toronto, ON
    5 days ago
  • $100k - $120k per year

     ...eligible for our hybrid work model: Two days in-office. Java Developer Our Technology team is the backbone of our company: constantly...  ...future of travel. We design and develop our back end systems and REST APIs that serve hundreds of millions of searches a day, collecting and... 
    Work at office
    Remote work
    Flexible hours

    Priceline

    Toronto, ON
    2 days ago
  •  ...currently seeking a highly motivated and skilled Mainframe Backend Developer for one of our clients. Position : Mainframe Backend...  ...Experience with IMS DB V12 or higher (HALDB and DEDB) using the PLITDLI API. ~ Experience with DB2 for z/OS V11 or higher ~ Experience in... 
    Long term contract
    Full time
    For contractors
    Fixed term contract
    Immediate start

    Arthur Grand Technologies

    Toronto, ON
    3 days ago
  •  ...inclusive and high-performing culture. The Role As a Salesforce Developer you’re responsible for designing, building, and maintaining...  ...pipelines between Salesforce and external systems using REST APIs, middleware, and ETL tools (e.g., MuleSoft, Informatica, Talend).... 
    Work at office
    Flexible hours

    Scotiabank

    Toronto, ON
    5 days ago
  • $72k - $138k per year

     ...mentoring and on the job coaching Summary As a Python & SQL Developer, you will design, build, and support scalable backend and data‑...  ...data teams, architects, and business stakeholders to deliver robust APIs, database‑driven services, and automation solutions. The role... 
    Temporary work
    Fixed term contract
    Flexible hours

    Deloitte

    Toronto, ON
    1 hour agonew
  • $100k per year

     ...performance cloud services that power a global video technology platform? We're hiring a Software Engineer to develop Python-based cloud services and APIs running on AWS and Kubernetes. If you excel in backend development, cloud infrastructure, and modern DevOps tooling... 
    Work at office
    Flexible hours

    STACK IT Recruitment

    Toronto, ON
    7 days ago
  •  ...Job Description: Job Title: C++ and C# developer Location: Toronto, ON Work Style: Hybrid (Tue-Thurs 8:30 PM – 5:00 PM EST) Skills Required: C++, C#, API Calls, Windows service, Component object model, Visual studio experience required, Agile Way of Working... 
    Contract work

    Astra North Infoteck Inc.

    Toronto, ON
    7 days ago