Senior C# .NET Developer

Motion Recruitment Partners LLC; Mississauga; Hybrid; CAD 80,000 - 110,000; Full time

Job summary

A global bank in Mississauga seeks an experienced Senior C# .NET Developer for a contract role. The position involves designing scalable applications and mentoring junior developers while working in a hybrid environment. Candidates should have over 6 years of experience in C# and .NET technologies, strong backend knowledge, and familiarity with microservices architecture. Exceptional communication and leadership skills are essential for this role.

Qualifications

• 6+ years of professional development experience in C# and .NET technologies.
• Strong backend expertise with C# .NET Core and database programming.
• Experience working in Agile/Scrum environments.

Responsibilities

• Design, develop, and maintain enterprise-grade applications.
• Work closely with cross-functional teams to deliver secure and scalable solutions.
• Mentor junior developers and drive technical excellence.

Skills

C#

.NET Core

ASP.NET

SQL Server

Kafka

React

Microservices

Agile/Scrum

Job description

Grow your career with an innovative global bank as Senior C# .NET Developer in Mississauga, Ontario. Contract role with strong possibility of extension. Will require working a hybrid schedule 3 days onsite per week.

Join one of the world's most renowned global banks and trusted brand with over 200 years of continuously evolving financial services worldwide. You will work alongside some of the smartest minds in the industry who are excited to share their knowledge and to learn from you.

Contract Duration: 11+ Months
Required Skills & Experience

• 6+ years of professional development experience in C# and .NET technologies.
• Must have strong backend expertise with C# .NET Core, and database programming, combined with exposure to modern integration tools and frontend frameworks.
• Backend Expertise: Strong proficiency in C#. .NET Core, ASP.NET, T-SQL.
• Databases: Advanced knowledge of SQL Server; experience with query optimization and stored procedures.
• Integration & Messaging: Hands-on experience with Kafka or equivalent event-driven systems.
• Frontend Exposure: Experience with React or other modern JavaScript frameworks (preferred).
• Architecture & Microservices: Proven ability to design scalable microservices-based solutions.
• Strong problem solving, communication, and leadership skills.
• Experience working in Agile/Scrum environments.

Desired Skills & Experience

• Programming & Frameworks: React, ASP.NET MVC
• Databases: SQL, NoSQL (MongoDB/Cosmos DB)
• Integration & Messaging: Kafka
• Advanced Microservices architecture
• Deeper functional knowledge of financial markets.

What You Will Be Doing

• Will design, develop, and maintain enterprise-grade applications.
• Will work closely with cross-functional teams to deliver secure, scalable, and high-performance solutions, while mentoring junior developers and driving technical excellence.
• Lead the design and development of backend services and APIs using C#, .NET Core, and ASP.NET.
• Design and optimize SQL server database solutions, ensuring performance, scalability, and security.
• Collaborate with architects, business analysts and stakeholders to define requirements and solutions.
• Implement and maintain event-driven and messaging systems (Kafka preferred).
• Develop microservices and integrate with RESTful APIs.
• Provide Guidance in application architecture, code reviews, testing, and DevOps practices.
• Mentor junior developers, ensuring high technical standards and best practices.