.NET Lead Developer

Toronto, ON
Hybrid
Posted Sep 18, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Lead · 10+ years
Apply by: Oct 15, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Lead the development of financial applications using the .NET ecosystem. Implement scalable solutions utilizing modern .NET versions, containerization, and GenAI tools.

Job details

Greetings! Iris’s leading financial client is looking for .NET Lead Developer to join their team at Toronto, ON(Hybrid) location. Job Title: .NET Lead Developer Location: Toronto, ON(Hybrid) Duration: Long Term Job Description: 12+ years in C# / .NET, comfortable in both .NET Framework and modern .NET (Core / 6-8/10). ASP.NET Core, WCF/CoreWCF, and REST API development. Data access with EF Core / Dapper / ADO.NET and solid SQL Server. Docker / containers, working knowledge of Kubernetes/OpenShift, and Linux basics. Unit testing (xUnit/MSTest) and code-coverage tooling. Git-based workflows and CI/CD pipelines. Hands-on with GenAI tools About Iris Software Inc. With 4,000+ associates and offices in India, U.S.A. and Canada, Iris Software delivers technology services and solutions that help clients complete fast, far-reaching digital transformations and achieve their business goals. A strategic partner to Fortune 500 and other top companies in financial services and many other industries, Iris provides a value-driven approach - a unique blend of highly-skilled specialists, software engineering expertise, cutting-edge technology, and flexible engagement models. High customer satisfaction has translated into long-standing relationships and preferred-partner status with many of our clients, who rely on our 30+ years of technical and domain expertise to future-proof their enterprises. Associates of Iris work on mission-critical applications supported by a workplace culture that has won numerous awards in the last few years, including Certified Great Place to Work in India; Top 25 GPW in IT & IT-BPM; Ambition Box Best Place to Work, #3 in IT/ITES; and Top Workplace NJ-USA.

What you’ll do

Lead the development of financial applications using the .NET ecosystem. Implement scalable solutions utilizing modern .NET versions, containerization, and GenAI tools.

Requirements

Requires over 12 years of experience in C# and .NET, including expertise in ASP.NET Core and SQL Server. Proficiency in Docker, Kubernetes, and CI/CD pipelines is essential.