Frontend Developer

Location: downtown Toronto, ON, Hybrid, 3 days on-site per week
Language: Strong written and spoken English communication skills required
Duration: 6-month contract with a possible 6-month extension

About the Opportunity
A public sector organization is seeking a Senior Front End Development Specialist to support a high-impact technology initiative focused on strengthening tenant protections and preserving rental housing stock. This work will help improve how residents, applicants, and internal teams interact with digital services through accessible, user-friendly public-facing portals.

In this role, you’ll contribute to the design and development of modern front-end solutions, including workflows, interfaces, and registry functionality for licence applications. You’ll work closely with business analysts, systems analysts, technical teams, and end users to deliver solutions that are practical, accessible, and built with the public experience in mind.

What’s In It for You
This is an opportunity to apply your front-end expertise to meaningful public sector work with direct community impact. You’ll join a collaborative project environment where technical leadership, accessibility, thoughtful design, and clear documentation are valued.

Your Responsibilities
• You’ll design, develop, test, implement, and document software components for client-facing applications
• In this role, you’ll build and enhance Single Page Applications using modern front-end technologies and leading development practices
• You’ll collaborate with business and technical stakeholders to gather requirements, shape solution design, and support delivery through the full development lifecycle
• You’ll integrate front-end applications with back-end systems using REST APIs, including JSON and XML
• You’ll troubleshoot and resolve application issues, including root cause analysis during outages or unexpected defects
• You’ll prepare and maintain technical specifications, architecture diagrams, user guidelines, and operational documentation
• You’ll participate in code reviews, QA and UAT feedback cycles, change control processes, and accessibility compliance reviews

Skills and Qualifications
• Extensive senior-level experience developing Single Page Applications using HTML5, CSS3, JavaScript, JQuery, Bootstrap, Backbone, and React
• Extensive experience with REST API integration, including JSON and XML
• Extensive experience working independently on application architecture, integration, technical documentation, risk assessment, and QA/UAT support
• Experience developing and maintaining large-scale information technology applications in multidisciplinary project teams
• Experience building digital products that comply with WCAG 2.x AA, AODA, and WAI-ARIA accessibility standards and best practices
• Strong troubleshooting, debugging, documentation, and stakeholder communication skills
• Post-secondary education in computer science or a related discipline, or an equivalent combination of education and experience

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals. All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.