Average salary: $108,817 /yearly

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  • We are seeking a Software Developer with deep expertise in the Microsoft Power Platform to architect...  ...Azure microservices and enterprise-grade APIs. - Strategic Modernization: Play a key...  ...Services: Build APIs using Azure API Management (APIM) and leverage Azure Functions... 
    Suggested

    Randstad

    North York, ON
    14 days ago
  • We are seeking an Intermediate Software Developer with 5–7 years of experience to join our team...  ...for building secure, scalable REST APIs while ensuring the stability of mission-critical...  ...tier enterprise application design. - API Expertise: Extensive experience designing... 
    Suggested

    Randstad

    North York, ON
    16 days ago
  • We are seeking a Senior Automation Developer to lead the quality assurance efforts for large-scale enterprise systems. This role is designed...  ...can balance robust Selenium-based UI automation with sophisticated API and Database validation. You will be responsible for identifying... 
    Suggested
    Long term contract

    Randstad

    North York, ON
    16 days ago
  • Do you have overall 10+ years’ work experience as a systems developer? Do you have working experience of developing Web-based Java EE and Cloud...  ...& Java EE application models (e.g. Microservice Architecture, API-based model, Responsive Web Design, Serverless Architecture, etc)... 
    Suggested
    Long term contract
    Contract work
    Interim role
    Internship

    Randstad

    North York, ON
    3 days ago
  • We are seeking a Senior Software Developer with deep expertise in the Microsoft Power Platform to architect, design, and implement enterprise...  ...), Power Automate, Power BI, and Power Virtual Agents. - API & Integration: Integrate Power Platform solutions through Azure API... 
    Suggested

    Randstad

    North York, ON
    16 days ago
  • We are seeking a Senior CRM Software Developer with 7–10 years of experience to lead the technical design, development, and implementation...  ...integration with core CRM data. - Integrations & APIs: Develop and maintain API integration methods to connect CRM systems with other... 
    Suggested

    Randstad

    North York, ON
    7 days ago
  • We are seeking a Senior Full Stack Software Developer with 5+ years of experience to join an Agile delivery team. This role requires expert-...  ...compliance. - Backend Engineering: Design and construct secure REST API services using C# and .NET Core, utilizing Entity Framework for... 
    Suggested
    Long term contract

    Randstad

    North York, ON
    14 days ago
  • We are seeking a Senior Full Stack Software Developer to lead the development and expansion of robust data pipelines and enterprise web applications...  ...Design the overall web architecture and construct secure REST API services that facilitate high-speed data exchange. -... 
    Suggested
    Long term contract

    Randstad

    North York, ON
    2 days ago
  • We are seeking a Senior Full Stack Software Developer with over 10 years of experience to join a high-performing Agile delivery team. This role...  .... - Backend Engineering: Design and construct secure REST API services using C# and .NET Core, leveraging Entity Framework for... 
    Suggested

    Randstad

    North York, ON
    14 days ago
  • We are seeking a Senior Full Stack Software Developer with extensive experience in Drupal and Symfony to lead the development of complex, user...  ...and non-relational stores like PostgreSQL and Redis. - API Integration: Design, construct, and integrate RESTful API services... 
    Suggested
    Long term contract

    Randstad

    North York, ON
    15 days ago
  • We are seeking a Senior Software Developer with 10+ years of experience specializing in Data Warehousing, Business Intelligence (BI), and Cloud Data Services. This role is critical for the architectural review, enhancement, and maintenance of Computer Aided Dispatch (CAD) systems... 
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    Full time
    Local area

    Randstad

    North York, ON
    2 days ago
  • We are seeking a Senior Front End Software Developer with over 10 years of experience to lead the design and implementation of sophisticated...  ...consistency and scalability across multiple applications. - API Integration: Collaborate with back-end teams to integrate front-end... 
    Suggested
    Long term contract

    Randstad

    North York, ON
    23 days ago
  •  ...designing, building, and securing RESTful APIs, ensuring scalability and performance? If...  ...Our client is looking for a Senior Software Developer Full Stack for a 12 month contract in...  ....g., GitHub Copilot). • Microservices & API Development: Experience in designing, building... 
    Suggested
    Contract work

    Randstad

    North York, ON
    23 days ago
  •  ...opportunity for you! Our client is looking for a Senior Software Developer - Curam/Case Management for a 12 month contract in North York....  ...Google Cloud, etc. Experience in building and using Web Service APIs Summary If you are interested in the Senior Software Developer... 
    Suggested
    Contract work

    Randstad

    North York, ON
    13 days ago
  •  ...Analyze requirements and create technical specifications Design and develop clean, reliable, scalable solutions for a variety of customers...  ...JavaScript libraries, CSS and HTML Experience developing web APIs and working with 3rd party APIs Experience with microservices would... 
    Suggested

    Exact Match Recruitment

    North York, ON
    a month ago
  •  ...Databricks? Do you have extensive experience in designing and developing SQL Server Stored Procedure, Oracle PL/SQL programs? If so, this...  ...opportunity for you! Our client is looking for a Senior Software Developer - ETL for a 12 month contract in North York. This is an... 
    Contract work
    Internship

    Randstad

    North York, ON
    3 days ago
  •  ...and implementing testing efforts? If so, this would be a great opportunity for you! Our client is looking for a Senior Automation Developer for a 3 month contract in North York. This is an onsite role. Rate: 432.34-470.01 Advantages • Earn a competitive rate within... 
    Contract work

    Randstad

    North York, ON
    23 days ago
  • We are seeking a Full Stack Software Developer to join the Operations Maintenance and Support Branch (OMSB). This role is centered on the Application Maintenance and Support (M&S) of a diverse portfolio of .NET applications hosted in Microsoft Azure. You will contribute to... 
    Long term contract

    Randstad

    North York, ON
    14 days ago
  •  ...Backend Application Developer - Job Description   Position Summary We are currently looking for an experienced application developer who is well-versed in database-centric application development and will support the ongoing development of the company’s web-based software... 
    Full time

    Alert Driving

    North York, ON
    more than 2 months ago
  •  ...back-end services. - Strategic Roadmap: Support leadership in developing roadmaps, transition plans, and researching emerging technologies...  ...Expert: Proven track record in designing and implementing REST API integrations and Service-Oriented Architecture (SOA). - Methodology... 

    Randstad

    North York, ON
    21 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... 
    Full time

    Realign LLC

    Toronto, ON
    2 days ago
  •  ...Responsibilities - Strategic Planning: Develop and advise on testing strategies, comprehensive...  ...involving ReadyAPI, Web Services, and APIs, ensuring seamless communication between cloud...  ..., and legacy system interfaces. - API & Web Services: Proficiency in testing ReadyAPI... 

    Randstad

    North York, ON
    7 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... 
    Contract work

    Astra North Infoteck Inc.

    Toronto, ON
    20 hours ago
  • $120.8k - $170.8k per year

    This API Developer is a senior level technical position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming... 
    Full time

    Citi

    Mississauga, ON
    18 hours ago
  •  ...testing lifecycle, providing strategic advice on tool selection, developing robust test plans, and ensuring that software meets both functional...  .... The ideal candidate has a strong technical background in API testing and Azure DevOps for tracking enterprise-level software defects... 

    Randstad

    North York, ON
    15 days ago
  •  ...Role: Developer (Java/SQL) Experience: 6-8 years Location: Mississauga 100% Remote Primary Skill: Advanced Java Concepts...  .... The ideal candidate will bring strong hands-on experience with API development, automated testing, cloud environments (AWS), and DevOps... 
    Contract work
    Remote work

    Astra North Infoteck Inc.

    Mississauga, ON
    20 hours 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
    21 days 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
    23 days ago
  •  ...Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. We’re looking for a Backend API Developer to collaborate closely with a team of backend API developers, Front End developers, business system analysts, and architects to... 
    Manual labor
    Flexible hours

    Scotiabank

    Toronto, ON
    21 days ago
  • Do you have working experience of developing Web-based Java EE and Cloud-Native applications using Angular, React / Redux, Node.js, GraphQL...  ...for you! Our client is looking for a Senior Software Developer - API for a 12 month contract in Toronto. This is an onsite role... 
    Contract work

    Randstad

    Toronto, ON
    23 days ago