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Full Stack Developer to build a Enterprise API platform - 15667

S.i. Systems

Toronto, Ontario, Canada Permanent July 06, 2026
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Opportunity Description

Permanent Full Time

Hybrid: Downtown Toronto,(In-office days: Monday, Thursday, Friday)

Senior Full Stack Developer (8+ years of experience)

Project Overview

This client is building an Enterprise API platform to consolidate multiple APIs from different teams/applications into a single, coherent catalog — accessible by both external clients and internal teams.

Your Role:

  • · Building and exposing new APIs
  • · Middleware/system integration development
  • · Publishing and maintaining APIs in production
  • · Supporting internal dev teams onboarding onto the API infrastructure
  • Leverage AI coding assistant tools responsibly — validating outputs, ensuring security and accuracy, and applying sound engineering judgment
  • Design and develop scalable, high-performing Microservices using Python, Node.js, React, and SQL

    • Must Haves:

  • You have a Bachelor’s Degree in Engineering, Computer Science or e...
    • Permanent Computer Occupations

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    Opportunity Details

    Location Toronto, Ontario
    Country Canada
    Type Permanent
    Category Computer Occupations
    Posted July 06, 2026
    Deadline August 15, 2026

    About S.i. Systems

    S

    S.i. Systems

    Toronto, Canada