We are seeking a highly accomplished Senior Development Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier full-stack web application development, front-end architecture, and system integration capacity, specializing in building responsive, accessible, and secure web applications.
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As a Senior Development Specialist, you will bridge the gap between complex system architectures, RESTful web services, responsive user interfaces, and backend enterprise integrations. Operating within a flexible hybrid work model in Toronto, you will lead the end-to-end design, development, and maintenance of single-page applications using modern JavaScript frameworks, web components, and secure API integrations. This position demands a technical software authority with extensive tenure in front-end development, API engineering, root-cause troubleshooting, and digital accessibility compliance (WCAG 2.1 AA / AODA) who can deliver high-quality, customer-facing digital solutions.
Location: Toronto, ON
Assignment Type: Hybrid
Contract Duration: 6-month contract (with potential for 6-month extension)
Advantages
Modern Front-End Stack: Develop single-page applications utilizing React, Stencil.js (Web Components), JavaScript/TypeScript, and Bootstrap.
Accessibility Leadership: Drive accessibility-first web engineering strictly compliant with WCAG 2.1 AA and AODA standards across web and mobile form factors.
Full-Lifecycle Engineering: Lead application architecture, API integration design, root-cause analysis, and production deployment across multi-tier environments.
Flexible Work Model: Benefit from a balanced hybrid working structure with remote flexibility.
Responsibilities
Provide senior-level technical expertise and architectural guidance across all phases of the software development life cycle, including design, coding, testing, and sustainment.
Design, build, upgrade, and maintain secure, responsive front-end single-page applications and supporting component libraries.
Architect and implement RESTful API integrations (JSON/XML), authentication services, and secure data exchange mechanisms with core enterprise systems.
Develop intuitive, accessible user interfaces that enable authenticated users to request, view, and interact with aggregated data.
Author comprehensive technical specifications, system architecture diagrams, interface designs, component specs, and integration documentation.
Conduct root-cause analysis during unexpected outages and provide rapid troubleshooting, debugging, and production support.
Ensure all user interfaces and digital components strictly comply with WCAG 2.1 AA guidelines, AODA requirements, and municipal digital standards across web, iOS, and Android platforms.
Partner with cross-functional development teams, solution architects, and project managers to plan, estimate, and deliver work packages.
Support application deployment activities across development, testing, staging, and production environments.
Deliver technical walkthroughs, knowledge transfer sessions, and operational documentation to steady-state support teams.
Qualifications
Core Technical & Software Engineering Requirements
Education: Post-secondary education in Computer Science, Software Engineering, or a related discipline (or equivalent practical experience).
Front-End Development Experience: Minimum 10+ years of extensive experience developing Single Page Applications using HTML5, CSS3, JavaScript, jQuery, Bootstrap, and frameworks such as React, Backbone, or Stencil.js (Web Components).
API & System Integration: Extensive experience integrating web applications with backend platforms via RESTful APIs (JSON and XML), secure authentication services, and data transfer protocols.
Accessibility Standards: Demonstrated expertise developing digital products compliant with WCAG 2.x AA, AODA, and WAI-ARIA standards, optimizing accessibility across web and mobile platforms.
Architecture & Documentation: Proven experience working independently to build and maintain architecture diagrams, technical design specifications, risk assessments, and integration documentation.
Troubleshooting & Maintenance: Strong experience conducting root-cause analysis, debugging complex multi-tier applications, and providing production support during outages.
Preferred Assets & Domain Experience
Secure Enterprise Solutions: Experience developing secure, customer-facing web applications within a public-sector or highly regulated enterprise environment.
Technical Leadership: Track record of providing technical leadership, effort estimation, and mentoring on large-scale software projects.
Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior diagnostic capabilities to evaluate system functionality, isolate software defects, and resolve integration issues.
Communication & Collaboration: Excellent written and verbal communication skills with a proven ability to lead technical walkthroughs and collaborate with multidisciplinary teams.
Summary
If you're interested in the "Senior Development Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
We are seeking a highly accomplished Senior Development Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier full-stack web application development, front-end architecture, and system integration capacity, specializing in building responsive, accessible, and secure web applications.
As a Senior Development Specialist, you will bridge the gap between complex system architectures, RESTful web services, responsive user interfaces, and backend enterprise integrations. Operating within a flexible hybrid work model in Toronto, you will lead the end-to-end design, development, and maintenance of single-page applications using modern JavaScript frameworks, web components, and secure API integrations. This position demands a technical software authority with extensive tenure in front-end development, API engineering, root-cause troubleshooting, and digital accessibility compliance (WCAG 2.1 AA / AODA) who can deliver high-quality, customer-facing digital solutions.
Location: Toronto, ON
Assignment Type: Hybrid
Contract Duration: 6-month contract (with potential for 6-month extension)
Advantages
...
Modern Front-End Stack: Develop single-page applications utilizing React, Stencil.js (Web Components), JavaScript/TypeScript, and Bootstrap.
Accessibility Leadership: Drive accessibility-first web engineering strictly compliant with WCAG 2.1 AA and AODA standards across web and mobile form factors.
Full-Lifecycle Engineering: Lead application architecture, API integration design, root-cause analysis, and production deployment across multi-tier environments.
Flexible Work Model: Benefit from a balanced hybrid working structure with remote flexibility.
Responsibilities
Provide senior-level technical expertise and architectural guidance across all phases of the software development life cycle, including design, coding, testing, and sustainment.
Design, build, upgrade, and maintain secure, responsive front-end single-page applications and supporting component libraries.
Architect and implement RESTful API integrations (JSON/XML), authentication services, and secure data exchange mechanisms with core enterprise systems.
Develop intuitive, accessible user interfaces that enable authenticated users to request, view, and interact with aggregated data.
Author comprehensive technical specifications, system architecture diagrams, interface designs, component specs, and integration documentation.
Conduct root-cause analysis during unexpected outages and provide rapid troubleshooting, debugging, and production support.
Ensure all user interfaces and digital components strictly comply with WCAG 2.1 AA guidelines, AODA requirements, and municipal digital standards across web, iOS, and Android platforms.
Partner with cross-functional development teams, solution architects, and project managers to plan, estimate, and deliver work packages.
Support application deployment activities across development, testing, staging, and production environments.
Deliver technical walkthroughs, knowledge transfer sessions, and operational documentation to steady-state support teams.
Qualifications
Core Technical & Software Engineering Requirements
Education: Post-secondary education in Computer Science, Software Engineering, or a related discipline (or equivalent practical experience).
Front-End Development Experience: Minimum 10+ years of extensive experience developing Single Page Applications using HTML5, CSS3, JavaScript, jQuery, Bootstrap, and frameworks such as React, Backbone, or Stencil.js (Web Components).
API & System Integration: Extensive experience integrating web applications with backend platforms via RESTful APIs (JSON and XML), secure authentication services, and data transfer protocols.
Accessibility Standards: Demonstrated expertise developing digital products compliant with WCAG 2.x AA, AODA, and WAI-ARIA standards, optimizing accessibility across web and mobile platforms.
Architecture & Documentation: Proven experience working independently to build and maintain architecture diagrams, technical design specifications, risk assessments, and integration documentation.
Troubleshooting & Maintenance: Strong experience conducting root-cause analysis, debugging complex multi-tier applications, and providing production support during outages.
Preferred Assets & Domain Experience
Secure Enterprise Solutions: Experience developing secure, customer-facing web applications within a public-sector or highly regulated enterprise environment.
Technical Leadership: Track record of providing technical leadership, effort estimation, and mentoring on large-scale software projects.
Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior diagnostic capabilities to evaluate system functionality, isolate software defects, and resolve integration issues.
Communication & Collaboration: Excellent written and verbal communication skills with a proven ability to lead technical walkthroughs and collaborate with multidisciplinary teams.
Summary
If you're interested in the "Senior Development Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
