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RQ11442 Software Developer API Senior

Source Code


Job Location:

Toronto - Canada

Monthly Salary: Not provided by the employer
Posted: 20 August 2026 (14 hours ago)
Application Deadline: 17 November 2026
Vacancies: 1 Vacancy

Job Summary

RQ11442 - Software Developer - API - Senior


Duration: 1 Year (254 Business Days) 1 Possible Extension

Location: 5 days onsite at222 Jarvis St Toronto OR300 Water St Peterborough ON

Must Have:

  • 5 Experience with React framework and typescript
  • 5 Experience with and
  • 5 Experience building and testing RESTful APIs
  • 2-3 years of Multi-agent (Agentic AI) LLMops MCP langchain langGraph RAG Qdrant Python
  • Experience with ML models - XGboost Tensorflow
  • Experience with Airflow PySpark
  • 5 Hands on experience with Progressive Web Apps
  • Experience and expert knowledge in HTML JavaScript CSS and CSS Frameworks
  • Experience with cloud platforms such as Azure

Nice to have:

  • Hands on experience developing production level AI agents frameworks and AI supported systems using various models tools and architectures (e.g. LLMs ML Computervision etc.)
  • Hands on experience designing and implementing MLOps tools and processes in enterprise environments
  • Prior OPS exp or public sector exp.

Responsibilities

  • Required to translate technical systems specifications into working tested This includes:
    • developing detailed programming specifications
    • writing and/or generating code
    • compiling data-driven programs maintaining and conducting unit
    • Analyzes designs develops codes and implements programs in one or more programming languages for Web and Rich Internet Applications
    • Supports applications with an understanding of system integration test planning scripting and troubleshooting
    • Designs and develops REST API platform (e.g. with using Apigee/APIM)
    • Converts web services from SOAP to REST or vice-versa
  • Resolves and troubleshoots technical problems which arise during the use and operation of software packages including technical assistance in implementation conversion and migration.

General Skills

  • Experience in programming and analysis; specialized software package support at the specified experience level
  • Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
  • Experience in structured methodologies for the development design implementation and maintenance of applications
  • Experience in design code test debug and document applications
  • Experience in the use of object and/or third generation language development tools
  • Experience in one or more programming languages
  • Experience in application design latest design patters deployment and troubleshooting
  • Experience with relational and hierarchical database technologies
  • Experience in the use of information retrieval packages using query languages
  • Experience with one or more communications protocols
  • Experience in structured methodologies for the design development implementation and maintenance of applications
  • Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts
  • Excellent analytical problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills
  • A team player with a track record for meeting deadlines

API Skills

  • Experience with Web Technologies (DHTML AJAX etc.)
  • Experience with Security frameworks (e.g. JWT OATH2)
  • Experience in API layer like security custom analytics throttling caching logging monetization request and response modifications etc. using Apigee
  • Experience in creating REST API documentation using Swagger and YAML or similar tools desirable
  • Experience with Integration frameworks (e.g. Mule Camel) desirable

Desirable Skills

  • Knowledge and experience with programming Internet-ready applications
  • Knowledge and experience in rapid application development (RAD) methodologies
  • Knowledge and understanding of Information Management principles concepts policies and practices
  • Experience with middleware and gateways
  • Experience reviewing analyzing and modifying product installation scripts including encoding testing debugging
  • Ability to provide post-implementation support and resolve any post-implementation technical issues
  • Experience conducting design walkthrough sessions with project team
  • Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards
  • Ability to provide user and system documentation as required

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $86.90/hr - $104.28/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $69.52/hr - $83.42/hr T4




Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $86.90/hr - $104.28/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $69.52/hr - $83.42/hr T4