-
COGNITO INC

Senior .NET Developer

COGNITO INC
Canada · Contract · Mid-Senior

Senior .NET Developer


Remote


Job Description:

  • We are seeking a highly skilled Senior .NET Developer with strong expertise in C# to design, develop, and maintain scalable

Applications. The ideal candidate will have deep experience in the .NET ecosystem, strong problem-solving abilities, and a passion for writing clean, efficient code.


Key Responsibilities:

  • Lead the design and development of enterprise-grade applications using C#, .NET Framework, and .NET (Core).
  • Define system architecture, technical design, and best practices
  • Build and optimize scalable, secure, and high-performance APIs and microservices
  • Collaborate with product managers, architects, and cross-functional teams
  • Drive code quality through reviews, standards, and best practices
  • Mentor and guide junior and mid-level developers
  • Identify and resolve performance bottlenecks and system issues
  • Contribute to DevOps practices, CI/CD pipelines, and automation
  • Ensure application security, compliance, and scalability
  • Support business critical legacy .NET Framework services and applications.
  • SQL, MS SQL Server, and SQL database management experience.
  • Comfortable with front end development in Angular and maintaining legacy applications using AngularJS.


Required Technical Skills:

  • 10+ years of experience in software development with strong expertise in C# and .NET technologies
  • Deep understanding of ASP.NET Framework, Web API, MVC architecture, Windows Services, WinForms, WCF Services.
  • Strong knowledge of Object-Oriented Design (OOD) and design patterns
  • Expertise in Entity Framework Core, LINQ, and ORM tools
  • Extensive experience with RESTful services and microservices architecture
  • Strong experience with SQL Server and database design/optimization
  • Hands-on experience with multithreading, asynchronous programming, and
  • performance tuning
  • Proficiency in Git and modern version control practices
  • Familiarity with front end technologies Angular and legacy AngularJS.


Here's a bulleted list of the current tech stack:

• .NET Framework

• C#

• Windows Services

• .NET Web APIs and WCF Services

• AngularJS

• .NET Framework WinForms

• SQL and Microsoft SQL Server

• SQL Server Database Management

• On Prem SQL Server Management

• Git (GitHub, GitLab)

Key Skills

Ranked by relevance

sql sql server server angular git c microservices devops cicd
Login to Apply
Posted
May 21, 2026
Type
Contract
Level
Mid-Senior
Location
Canada

Industries

Hospitals Health Care

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Remitee
Related

Fullstack Developer (.NET + React)

2026-05-27

Full-time
Not Applicable
Argentina
Financial Services
Engineering
View Job Details
Included Health
Related

Senior Software Engineer, Backend

2026-05-23

Full-time
Not Applicable
United States
Hospitals
Engineering
View Job Details
Pineapple Recruiting GmbH
Related

Fullstack Web Developer (w/m/x) - React

2026-05-28

Full-time
Associate
Austria
Information Services
Information Technology