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Senior Asp Net Developer Jobs in Toronto, ON (NOW HIRING)

KEV Group

Senior Full Stack Engineer

Toronto, ON · On-site

We are hiring a Senior Developer to help design, evolve, and scale the core systems that power KEV ... C# and ASP.NET. Ensure frontend and backend systems are aligned, performant, and built for ...

United Airlines

.NET Developer

Toronto, ON · On-site

... asp.net core, SQL Server DB, API and OCP, C# dotnet, asp.net MVC Knowledge of software engineering practices for the full software development life cycle, including coding standards, code reviews ...

Cority Software

Sr. Software Developer

Toronto, ON · On-site

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Experience with ASP.NET Core, NHibernate/Entity Framework, JQuery, Ajax, Web Services, JavaScript ...

Cority Software

Sr. Software Developer

Toronto, ON · On-site

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Experience with ASP.NET Core, NHibernate/Entity Framework, JQuery, Ajax, Web Services, JavaScript ...

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All JobsAsp Net Developer JobsSenior Asp Net Developer JobsSenior Asp Net Developer Jobs in Toronto, ON

Senior Asp Net Developer information

See Toronto, ON salary details

$60.1K

$144.4K

$238.6K

How much do senior asp net developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior asp net developer in Toronto, ON is $144,382.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,703.00 and $184,664.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Asp Net Developer jobs in Toronto, ON? The most popular types of Asp Net Developer jobs in Toronto, ON are:
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Senior Asp Net Developer jobs near you
Infographic showing various Senior Asp Net Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 74% Full Time, 12% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $144,382 per year, or $69.4 per hour.

Enterprise Senior Software Developer

Armstrong Fluid Technology

Toronto, ON • On-site

Other

Re-posted 27 days ago

Job description

Salary: $130000-160000

Armstrong Fluid Technology is a global leader in innovative fluid flow solutions. We are committed to engineering excellence and delivering high-quality products and services that drive efficiency and sustainability for our customers.
We are seeking a highly skilled Enterprise Developer to join our enterprise architecture team. This role is ideal for a developer with extensive experience in Python, C#, and .NET projects including legacy frameworks such as ASP.NET. The successful candidate will be proficient in creating new microservices, as well as refactoring, upgrading, and migrating applications to modern platforms and architectures, with a focus on legacy enterprise systems. Expertise in SQL databases, cloud development (especially AWS), containerization, and application security is essential.


THIS IS A SENIOR HANDS ON DEVELOPER ROLE


Key Responsibilities


  • Design, develop, maintain, troubleshoot, and enhance Python and C# applications.
    Refactor and upgrade legacy ASP.NET applications.
  • Migrate monolithic applications to new platforms and microservices architectures to enhance scalability and maintainability.
  • Perform lift-and-shift operations to cloud environments.
  • Implement containerization using Docker and Kubernetes (EKS).
  • Develop and deploy cloud solutions, particularly on AWS.
  • Ensure application security and compliance with best practices.
  • Optimize SQL database performance by analyzing and improving query efficiency, indexing strategies, and overall database design.
  • Collaborate with cross-functional teams to deliver high-quality software solutions.


Qualifications


  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Experience in developing integration modules and services for enterprise systems such as ERP, PLM, CPQ, and CRM.
  • Proven experience as a backend developer with a strong understanding of C# and .NET frameworks, as well as Python.
  • Proficient in designing and developing RESTful APIs.
  • Experience with microservices architecture and related technologies.
  • Experience with ASP.NET and legacy frameworks.
  • Proficient in refactoring and upgrading legacy application code.
  • Experience with cloud development, particularly AWS.
  • Familiar with containerization technologies (Docker) and Kubernetes (EKS).
  • Solid understanding of modern application security and best practices.
  • Excellent problem-solving skills and attention to detail.
  • Strong communication, teamwork, and adaptability.
  • Demonstrated experience in SQL database performance tuning and optimization techniques.


Preferred Qualifications

  • Experience with other cloud platforms (Azure, Google Cloud).
  • Knowledge of DevOps practices and tools.
  • Familiarity with PowerBI is a plus.
  • Work on impactful projects modernizing enterprise systems.
  • Collaborate with talented, cross-functional teams.
  • Contribute to a company committed to innovation and sustainability.
  • Enjoy opportunities for professional growth and development.