Average salary: $124,000 /yearly

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  •  ...matters. Job Description WE’RE HIRING: SYNON / COOL 2E DEVELOPER (Healthcare / PBM) This role is a chance to work on mission-critical...  ...efforts and support data exchange with external systems (EDI, APIs, etc.) Participate in or lead modernization and legacy... 
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    Endava

    Ontario
    9 days ago
  •  ...Services team is looking for an Integrations Developer to work directly with customers to...  ...integrations using C#.NET, MSSQL, REST/JSON & SOAP APIs that meet customer requirements. Write...  ...Proficiency in C#.NET, SQL, Docker, and API-based integrations. ~ Working knowledge... 
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    Remote job
    Long term contract
    Worldwide

    Calabrio, Inc.

    Ontario
    more than 2 months ago
  •  ...Description Hillview Consulting is looking for a Java Full Stack Developer to join our team on-site in Ontario. This contract position...  ...HTML, CSS, JavaScript, React) ~ Strong understanding of RESTful APIs and microservices architecture ~ Excellent problem-solving skills... 
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    Hillview Consulting

    Ontario
    29 days ago
  • $101k - $151k per year

     ...The Senior Salesforce Solutions Architect & Developer supports the evolution of our Salesforce...  ...Lightning Web Components (LWC), and Salesforce APIs Proven experience designing and...  ...integration processes Apigee: Experience with API Management and gateway solutions REST/... 
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    Cardinal Health

    Ontario
    a month ago
  •  ...iOS Developer Intern / Co-op (Remote) Job Description: Guhuza is seeking an iOS Developer to join our remote team and contribute to the development of our iOS app. As an iOS Developer at Guhuza, you will play a crucial role in building and enhancing our mobile application... 
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    TorontoJobs.ca Recruitment Division

    Ontario
    6 days ago
  •  ...IBM App Connect Enterprise (ACE) & DataPower Developer 100% Remote Job Details: Responsible for designing, developing, and supporting...  ...DataPower. Develop and maintain scalable integration flows, APIs, and message transformations to enable seamless system‑to‑system... 
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    Astra North Infoteck Inc.

    Ontario
    20 days ago
  •  ...Delphi Developer Canada - Remote Role Descriptions: Design| develop and maintain desktop and enterprise applications using Delphi. Key responsibilities include writing clean| efficient code| troubleshooting bugs| collaborating with teams to define... 
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    Astra North Infoteck Inc.

    Ontario
    a month ago
  • $200 per day

     ...This is a remote position. Job Overview We are offering a remote internship opportunity for Full Stack Developer Interns / Trainees who want structured learning combined with real project experience. This program runs for 1 to 6 months and focuses on developing... 
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    Business Web Solutions

    Ontario
    25 days ago
  • We are seeking an Intermediate Software Developer - CRM with specialized expertise in Oracle Siebel CRM to join our technical team. This role focuses on translating complex system specifications into high-performing, tested CRM applications. You will be responsible for technical... 
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    Randstad

    Ontario
    more than 2 months ago
  •  ...software applications. • Experience using GQL/GraphQL to query APIs and generate analytical reports and insights for business...  ...equivalent CERTIFICATIONS DESCRIPTION COMPETENCIES Leading and Developing Agility Customer First Focus Accountability... 
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    Home office
    2 days per week

    Livingston International

    Ontario
    a month ago
  •  ...including forecasting, scheduling logic, and real-time adherence with a focus on scalability and automation Develop and maintain custom integrations using Genesys Cloud APIs, web services, and external systems (e.g., HRIS, BI tools, ticketing systems) Build automation... 
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    Internship
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    Miratech

    Ontario
    2 days ago
  • $137k - $206k per year

     ...Microsoft .NET technology stack (C# / .NET, ASP.NET MVC, Web APIs) and SQL databases (Microsoft SQL Server or any other). HTML5...  ...Visual Studio, JIRA, and other tools that are typically used by developers on Microsoft technology stack. B.S., M.S. or PhD in Computer... 
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    ServiceTitan

    Ontario
    more than 2 months 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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    Randstad

    Toronto, ON
    28 days ago
  •  ...similar tools. Investigate issues across AWS services, networking, APIs, and integrations. Manage  Amazon Connect configurations ,...  ..., and integrations with Lambda, S3, QuickSight, and DynamoDB. Develop  visual process flows , standardized troubleshooting playbooks,... 
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    Miratech

    Ontario
    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
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    Randstad

    Toronto, ON
    a month ago
  •  ...Title: Senior Node.js Developer – Kafka & API Location: Toronto, ON – Hybrid (4 Days WFO) What is the opportunity? Client source team is looking to onboard a Senior Software Developer who will partner with agile squads, business partners, and SRE teams to design... 
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    Astra North Infoteck Inc.

    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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    Manual labor
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    Astra North Infoteck Inc.

    Toronto, ON
    a month 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)... 
    Full time
    Contract work
    Temporary work
    Monday to friday
    Toronto, ON
    more than 2 months 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... 
    Long term contract
    Contract work
    Work at office

    Randstad

    Toronto, ON
    more than 2 months 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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    Astra North Infoteck Inc.

    Toronto, ON
    a month ago
  •  ...functionality, hierarchy design practices, and integration behavior. Develop and maintain documentation for governance processes, integration...  ..., or data quality tools. Ability to write Groovy rules, REST API calls, or SQL (nice to have). Oracle EPM or EDMCS... 
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    Remote work
    Flexible hours

    NTT DATA Services

    Ontario
    12 days ago
  •  ...Key Responsibilities 1. Master Data Governance • Develop, maintain, and enforce master data standards, governance policies...  ...Dynamics) o Downstream consuming systems • Utilize ETL tools, APIs, data pipelines, or middleware for seamless data flow. 7. Data... 
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    Remote work

    Astra North Infoteck Inc.

    Ontario
    a month ago
  • $193k - $214k per year

     ...is pivotal for cross-team collaboration, developer productivity, and AI-driven development initiatives...  ...in Python and one of Ruby or Go; services/APIs (REST/gRPC); integrations with third‑party...  ...Vendor/partner management and external API certification programs. Building AI‑... 
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    Permanent employment
    Work at office
    Work from home
    Flexible hours

    Instacart

    Ontario
    more than 2 months 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
    9 days ago
  •  ...demand Design systems with high availability and fault tolerance in mind Embed security thinking at every layer — application, API, and infrastructure Own API design across both public-facing and internal service boundaries, including schema modeling and... 
    Internship
    Work at office
    Remote work
    Flexible hours

    Calliere

    Ontario
    15 days ago
  •  ...product, or systems design Strong understanding of: AI tools (LLMs, agents, automation platforms) Workflow automation (Zapier, Make, APIs, etc.) Ability to break down ambiguous problems into structured plans Comfortable leading client-facing conversations Bonus... 
    Part time
    Remote work

    Adaptive Teams

    Ontario
    7 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
    19 days ago
  • $150k per year

     ...provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find... 
    Work at office
    Worldwide
    Monday to friday

    Thermo Fisher Scientific

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

     ...Posted March 29th, 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
    9 days 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
    a month ago