Senior Dotnet Developer

Iris's Direct client, a highly diversified financial services provider based in ON, CA is looking to hire a Full-Stack .NET Developer for a Long Term Contract opportunity. Location: Hybrid Mississauga, ON – 4 days/week JOB DESCRIPTION Seeking a Full-Stack .NET Developer with strong event-driven architecture experience to design and build scalable backend services using Apache Kafka, develop robust APIs with .NET Core / C#, and deliver responsive user interfaces using React .NET: Strong hands-on experience with .NET Core / C#, ASP.NET Core, Web API, and microservices architecture Kafka: Deep expertise in Apache/Confluent Kafka, event-driven design, producers/consumers, topics, partitions, and stream processing React: Solid experience building responsive UIs with React, TypeScript, REST API integration, and modern frontend tooling

Design and build scalable backend services using Apache Kafka and develop robust APIs with .NET Core and C#. Deliver responsive user interfaces using React to support a diversified financial services provider.

Requires strong hands-on experience with .NET Core, microservices, and deep expertise in event-driven design using Kafka. Candidates must also be proficient in building responsive UIs with React and TypeScript.

• ReactPreferred
• TypeScriptPreferred
• C++Preferred

Identified from the job description. Confirm important requirements above.

• .NET Core
• C#
• ASP.NET Core
• Web API
• Microservices Architecture
• Apache Kafka
• Confluent Kafka
• Event-Driven Architecture
• React
• TypeScript
• REST API Integration
• Frontend Tooling

• Software
• Technology
• Finance & Accounting

Minimum experience

5+ years

Apply by

Sep 5, 2026

Posting language

English

Working hours

40 hours per week

Office presence

4 days per week

Seniority

Mid-Senior level

Application method

Direct apply is available