Senior Developer

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 Help us put public records at our customers’ fingertips with your customer-centric approach. If this opportunity interests you, please apply by September 9, 2026. We would like to thank all candidates for their interest, however, only those selected to continue in the recruitment process will be contacted. 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.

Lead the design and development of enterprise applications using C#/.NET with a primary focus on WCAG accessibility compliance. Modernize front-end components and mentor junior developers to ensure scalable and inclusive user experiences.

Requires a degree in Computer Science or equivalent experience and at least 5 years of software development experience. Must possess deep expertise in .NET, WCAG principles, and the ability to utilize AI-assisted development tools.

• Competitive salary • Benefits package • Hybrid work schedule • Recognition programs • Career development opportunities • Education support

• .NETPreferred
• C++Preferred

Identified from the job description. Confirm important requirements above.

• C#
• .NET
• ASPX
• WCAG 2.1/2.2 AA
• WAI-ARIA
• API Development
• Nuget
• nHibernate
• Entity Framework
• Azure DevOps
• MS SQL
• Unit Testing
• AI-assisted development
• Accessibility Testing
• Front-end Development
• Software Architecture

• Software
• Technology
• Engineering
• Data & Analytics
• Consulting

Minimum education

Bachelor’s degree

Minimum experience

5+ years

Apply by

Sep 25, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Associate