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

Senior Front End Development Specialist; to design, develop, test, and implement customer-facing

Job in Toronto, Ontario, C6A, Canada
Listing for: S.I. Systems Ltd.
Full Time position
Listed on 2026-10-18
Job specializations:
  • Software Development
    Front End Developer, Javascript, HTML CSS, React.js
Salary/Wage Range or Industry Benchmark: 110000 - 150000 CAD Yearly CAD 110000.00 150000.00 YEAR
Job Description & How to Apply Below
Senior Front End Development Specialist (10+ years) required to design, develop, test, and implement customer-facing applications using HTML5, React, Stencil.js, and REST APIs. (253496)

Our public sector client is seeking a Senior Front End Development Specialist (10+ years) to design, develop, test, and implement customer-facing applications using HTML5, React, Stencil.js, and REST APIs.

This role supports the development of an online self-service solution that integrates with existing digital services. The successful candidate will contribute to front-end development, application integration, accessibility compliance, and secure customer-facing functionality supporting large-scale public sector operations.

Contract, Toronto, Hybrid,

Working Hours:

EST

Must Haves
  • Extensive integration of REST APIs using JSON and XML for enterprise web applications
  • Extensive work on application architecture
    , technical documentation, risk assessments, accessibility compliance, and QA/UAT feedback management
  • Experience developing accessible digital products compliant with WCAG 2.1 AA
    , AODA
    , and WAI-ARIA across web, iOS, and Android platforms
  • Post-secondary education in computer science or a related discipline, or equivalent combination of education and experience
Nice to Have
  • Experience developing secure customer-facing applications in a public-sector or highly regulated environment
  • Experience maintaining large-scale information technology applications
  • Experience conducting root cause analysis, troubleshooting, and debugging during application outages
Responsibilities
  • Design, develop, upgrade, test, and implement software components
  • Document technical specifications, system designs, interface specifications, and integration details
  • Troubleshoot and resolve issues related to system functionality, data integrity, integrations, and user access
  • Collaborate with project team members and integration partners to support solution implementation
  • Develop responsive, accessible, and secure front-end application components
  • Implement integrations with City systems and REST-based APIs
  • Ensure developed interfaces comply with WCAG 2.1 AA, AODA

Our public sector client is seeking a Senior Front End Development Specialist (10+ years) to design, develop, test, and implement customer-facing applications using HTML5, React, Stencil.js, and REST APIs.

This role supports the development of an online self-service solution that integrates with existing digital services. The successful candidate will contribute to front-end development, application integration, accessibility compliance, and secure customer-facing functionality supporting large-scale public sector operations.

Contract, Toronto, Hybrid,

Working Hours:

EST

Must Haves
  • 10+ years developing Single Page Applications using HTML5, CSS3, JavaScript, JQuery, Bootstrap, React, Backbone, and Stencil.js
  • Extensive integration of REST APIs using JSON and XML for enterprise web applications
  • Extensive work on application architecture
    , technical documentation, risk assessments, accessibility compliance, and QA/UAT feedback management
  • Experience developing accessible digital products compliant with WCAG 2.1 AA
    , AODA
    , and WAI-ARIA across web, iOS, and Android platforms
  • Post-secondary education in computer science or a related discipline, or equivalent combination of education and experience
Nice to Have
  • Experience developing secure customer-facing applications in a public-sector or highly regulated environment
  • Experience maintaining large-scale information technology applications
  • Experience conducting root cause analysis, troubleshooting, and debugging during application outages
Responsibilities
  • Design, develop, upgrade, test, and implement software components
  • Document technical specifications, system designs, interface specifications, and integration details
  • Troubleshoot and resolve issues related to system functionality, data integrity, integrations, and user access
  • Collaborate with project team members and integration partners to support solution implementation
  • Develop responsive, accessible, and secure front-end application components
  • Implement integrations with City systems and REST-based APIs
  • Ensure developed interfaces comply with WCAG 2.1 AA, AODA

Disclaimer:

AI may be used in evaluating candidates.

This posting is for an existing vacancy.

Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
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