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About the Role

ESC Corporate Services Ltd. is seeking a Senior Developer to modernize core applications with a strong focus on accessibility and compliance with Web Content Accessibility Guidelines (WCAG 2.1/2.2 AA). This role involves a large-scale initiative to redesign and enhance front-end applications, ensuring they are accessible, scalable, and compliant. The Senior Developer will bring expertise in .NET development, apply accessibility best practices, and guide technical direction.

Responsibilities

Lead the design, development, and maintenance of enterprise applications using C#/.NET.
Drive accessibility-first development, ensuring all solutions meet WCAG 2.1/2.2 AA standards.
Develop and modernize front-end components to support responsive, scalable, and accessible user experiences across devices.
Conduct accessibility testing (automated and manual, including screen readers) and remediate identified issues.
Embed accessibility standards into the full development lifecycle, including design, code reviews, and testing.
Collaborate with cross-functional teams (Product, BA, QA, DevOps) to deliver compliant, high-quality releases.
Mentor junior and intermediate developers, providing guidance on technical development and accessibility best practices.

Requirements

Degree in Computer Science or related field, or equivalent technical experience
At least 5 years of software development work experience.
Deep, working knowledge of WCAG principles (Perceivable, Operable, Understandable, Robust) and WAI-ARIA.
Excellent communication skills
Highly proficient in C#/.NET/ASPX (recent experience required)
Familiarity with writing and consuming APIs
Experience with Nuget libraries, the nHibernate ORM and Entity Framework
Working knowledge of Azure Dev Ops, SQL Scripting for MS SQL and unit testing frameworks for .NET would be an asset
Demonstrated ability to effectively utilize AI-assisted development tools as part of the software development lifecycle, including design, coding, testing, and debugging, while exercising sound technical judgment and responsible AI practices.

Skills

C#/.NET
WCAG 2.1/2.2 AA
Accessibility testing
API development
Nuget libraries
nHibernate ORM
Entity Framework
Azure Dev Ops
SQL Scripting for MS SQL
Unit testing frameworks for .NET
AI-assisted development tools

Location

Toronto, Ontario

Work Type

Full-time Permanent
Hybrid work schedule

Experience Level

Senior
At least 5 years of software development work experience

Education Level

Degree in Computer Science or related field, or equivalent technical experience

Salary/Compensations

$78,500 - $117,500

Benefits

Competitive salary and benefits package
Career development opportunities
Education support
Recognition programs

About the Company

ESC Corporate Services Ltd. is an experienced provider that delivers solutions uniting public records data, customer authentication, corporate services, collateral management, asset recovery, and accounts receivable management which support registration, due diligence, and lending practices of clients across Canada.
ESC is a wholly owned subsidiary of ISC. ISC is the leading provider of registry and information management services for public data and records.
ISC has excelled at delivering value to government, industry, and our community and is the partner of choice for governments and private sector organizations seeking solutions across the information management spectrum.

Equal Opportunity

We are committed to creating a supportive, inclusive, and engaging environment where people can thrive.