Senior Developer - ESC

Information Services Corporation ISC; Toronto; Hybrid; CAD 79,000 - 118,000; Full time

Benefits offered by this job

Great Place to Work

Hybrid work schedule

Recognition programs

Education support

Competitive salary and benefits

Job summary

ESC Corporate Services Ltd. in Toronto seeks a Senior Developer to modernize front-end and ensure WCAG 2.1/2.2 AA compliance across enterprise apps.

You will lead accessibility-first development in C#/.NET, mentor junior engineers, and collaborate with Product, QA, and DevOps to deliver compliant, scalable releases. Knowledge of APIs, Azure DevOps, and SQL is a plus.

Qualifications

• Degree in Computer Science or related field or equivalent experience.
• 5+ years of software development experience.
• Deep knowledge of WCAG principles and ARIA.
• Strong communication and collaboration skills.

Responsibilities

• Lead design, development, and maintenance of enterprise applications with C#/.NET.
• Drive accessibility-first development meeting WCAG 2.1/2.2 AA.
• Modernize front-end components for responsive, accessible UX.
• Conduct automated and manual accessibility testing and remediation.
• Embed accessibility in design, code reviews, and testing.
• Collaborate with Product, BA, QA, DevOps on releases.
• Mentor junior and intermediate developers on accessibility.

Skills

C#/.NET

WCAG

ARIA (WAI-ARIA)

Accessibility testing

API integration

Mentoring

Communications

Education

Bachelor's degree in Computer Science or related field

Tools

NuGet libraries

NHibernate ORM

Entity Framework

Azure DevOps

SQL scripting

Job description

Company Name

ESC Corporate Services Ltd.

Location:

Toronto, Ontario

Status:

Full-time Permanent Vacancy

Salary Range:

The annual salary for this position ranges from $78,500 - $117,500. Exact compensation may vary based on qualification, experience, and education.

Closing Date:

September 9, 2026

We are ESC, 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. Our people are what drives our innovation, growth, and well-being.

We are seeking a Senior Developer to play a key role in modernizing our core applications with a strong focus on accessibility and compliance with Web Content Accessibility Guidelines (WCAG 2.1/2.2 AA).

In this role, you will contribute to a large-scale, multi-year initiative to redesign and enhance our front-end applications to ensure they are fully accessible, scalable across devices, and compliant with contractual requirements. As a senior member of the team, you will bring deep expertise in .NET development, apply accessibility best practices, and help guide both technical direction and team capability in this critical area.

What You’ll Do

• 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.

What You’ll Bring

• 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.

What We Offer

At ISC, we believe in progress with purpose and are proudly certified as a Great Place to Work. We’re committed to creating a supportive, inclusive, and engaging environment where people can thrive. Here’s what you can expect when you join our team:

• We believe in progress with purpose.
  • Innovative technology
  • Growth through strategic partnerships
  • Investment in new products
• We support your growth.
  • Career development opportunities
  • Education support
• We care about people.
  • Competitive salary and benefits package
  • Hybrid work schedule
  • Recognition programs

A Little More About Us

ESC is a wholly owned subsidiary of ISC. ISC is the leading provider of registry and information management services for public data and records. Throughout our history, we've excelled at delivering value to government, industry, and our community. We are the partner of choice for governments and private sector organizations seeking solutions across the information management spectrum.