Top .NET Developer Jobs in Toronto

Design, develop, and maintain scalable .NET and React applications and secure RESTful APIs. Implement authentication/authorization (JWT, OAuth2), containerize with Docker, contribute to CI/CD, code reviews, and documentation, and responsibly use AI-assisted development tools to improve productivity and quality.

As a Site Reliability Engineer, you will enhance system reliability, drive incident responses, design tools for automation, and participate in on-call rotations.

Design, develop, and optimize high-performance .NET Core backend microservices. Implement observability (tracing, logging, metrics), optimize service communication and PostgreSQL performance, maintain CI/CD pipelines, support deployments (Kubernetes/Docker), collaborate on architecture, and troubleshoot production issues in a large distributed system.

Develop and maintain full-stack applications for Fixed Income trading and risk management, collaborating with traders and analysts for innovative solutions.

Develop .NET applications and provide Unix/AIX and Windows server administration. Perform shell scripting, database work (SQL Server, Progress), reporting support, and liaise with business users. Provide customer support, adapt to change, and work cross-functionally.

Develop and maintain C#/.NET applications using WCF, AJAX, and SQL Server. Toronto-based permanent role, start ASAP. Work on backend and integration components within the .NET technology stack.

PERM .NET Developer role in Toronto to build and maintain C#/.NET applications and services using WCF, AJAX, and SQL Server. Start ASAP.

Design and develop scalable applications in a team-based Agile environment, collaborating with cross-functional teams and utilizing cloud platforms.

As a Senior Backend Developer, you will lead backend development for financial technology solutions, utilizing .NET and Azure technologies, mentor team members, and ensure code quality through best practices and automated testing.

The Staff Frontend Engineer will lead architectural design and implementation of complex frontend systems, enhancing user experience with strategic execution and rigorous quality control.

Design and implement front-end web applications by converting .NET UI elements to React/HTML5 using Citi standard components. Deliver timely front-end design and code, perform automated testing, integrate with APIs, analyze complex problems, advise stakeholders, mentor junior staff, and ensure security, compliance, and operational support across development lifecycle.

The .Net Developer will lead development projects, work with offshore teams in Agile, and utilize .NET technologies for web applications.

.NET Developer Lead responsible for programming projects using .NET version 4.5 and integrating with Genesys platforms while ensuring effective communication and documentation.

The Net Revenue Manager at Clorox will drive revenue optimization strategies by analyzing pricing, financial performance, and market dynamics. Collaborating with cross-functional teams, the role emphasizes data-driven decision-making and customer engagement to support sustainable growth.

Senior .NET/C# engineer responsible for full-stack development, systems administration, performance and stability improvements, solution design/implementation, CI/CD, testing, incident management, and technical leadership within a securitization capital markets team.

Lead-level .NET developer role requiring 10+ years of experience. Senior/Lead .NET development, design and implementation of applications, and team leadership on a 6+ month contract. Interviews via phone and Skype.

Design, build, test, and maintain enterprise C#/.NET applications within agile teams. Develop scalable REST APIs and data models, write automated unit tests, enforce SOLID/OOP practices, mentor engineers, participate in planning/code reviews, and communicate with clients to deliver high-quality solutions.

Lead monthly Net Interest Income and Margin analysis, build and maintain Excel-based NIM models, validate drivers with treasury/finance/business partners, develop balance sheet and revenue forecasting for stress testing in QRM, analyze and present results, and support FTP, hedging, and disclosure decisions.

Develop and maintain full-stack SaaS features on a cloud platform using C#, ASP.NET, and React. Collaborate with team leads on design, testing, CI/CD, and documentation. Apply DDD, microservices, and scalable patterns; mentor engineers and promote best practices. Support AI-assisted development workflows and work with international, remote teams.

Cygnus Professionals Inc. is hiring .NET Developers and other IT professionals to provide solutions and onsite services to customers.

Cygnus is seeking .NET and Java Developers to contribute to its information technology and consulting projects, ensuring customer satisfaction and quality service.

Cygnus is looking for experienced .NET and Java developers to join their team in the USA. Candidates should be dedicated to customer success and possess a strong value system.

Cygnus is seeking .Net Fullstack Developers to aid in IT consulting and deliver excellence to customers, emphasizing commitment and ownership.

Cygnus Professionals Inc. is hiring experienced .NET and JAVA developers for their IT Solutions Division. Candidates will provide onsite services and work in various technologies mentioned.

Design, develop, and support scalable enterprise web applications using the Microsoft stack. Build RESTful APIs, optimize SQL Server databases, implement microservices, ensure code quality through unit testing and CI/CD, collaborate with cross-functional teams, troubleshoot production issues, and follow Agile SDLC and DevOps practices.