×
Register Here to Apply for Jobs or Post Jobs. X

RQ- Software Developer - API - Senior

Job in Toronto, Ontario, M5A, Canada
Listing for: Source Code
Full Time position
Listed on 2026-08-25
Job specializations:
  • Software Development
    Backend Developer, AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 86.9 - 104 CAD Hourly CAD 86.90 104.00 HOUR
Job Description & How to Apply Below
Position: RQ11442 - Software Developer - API - Senior
RQ11442 - Software Developer - API - Senior


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

Location: 5 days onsite at 222 Jarvis St Toronto OR 300 Water St, Peterborough, ON

Must Have:

  • 5+ Experience with React framework and typescript
  • 5+ Experience with Node.js and Next.js
  • 5+ Experience building and testing RESTful APIs
  • 2-3+ years of Multi-agent (Agentic AI), LLMops, MCP, langchain, lang Graph, RAG, Qdrant, Python
  • Experience with ML models - XGboost, Tensorflow
  • Experience with Airflow, Py Spark
  • 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

Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary