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Senior C#​/.NET Developer

Job in Mississauga, Ontario, Canada
Listing for: Galent
Full Time position
Listed on 2026-06-17
Job specializations:
  • Software Development
    Backend Developer, .NET Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 CAD Yearly CAD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Senior C#/.NET Developer )

Required Skills

  • Strong hands‑on experience with C# and .NET/.NET Core
  • Expertise in Server‑Side Development
  • Experience building and consuming REST APIs
  • Strong knowledge of Middleware Integration and system integrations
  • Understanding of software design principles, OOP, and clean architecture
Nice‑to‑Have Skills
  • Experience with Relational Databases (SQL Server, MySQL, PostgreSQL, etc.)
  • Knowledge of MongoDB
  • Experience with Redis caching
Key Responsibilities
  • Design, develop, and maintain scalable server‑side applications using C# and .NET (Core/Framework).
  • Build and enhance RESTful APIs, including API design, versioning, security, pagination, and documentation.
  • Develop middleware and integration components to connect internal applications with third‑party systems.
  • Implement synchronous and asynchronous integration patterns with a focus on reliability, scalability, and performance.
  • Ensure application resiliency through retries, timeout handling, circuit breakers, logging, tracing, and monitoring.
  • Write unit and integration tests and support CI/CD deployment processes.
  • Conduct code reviews and ensure adherence to coding standards, best practices, and quality guidelines.
  • Troubleshoot production issues, perform root cause analysis, and implement performance improvements.
  • Collaborate with architects, product owners, QA teams, and stakeholders to deliver high‑quality solutions.
  • Create and maintain technical documentation, API specifications, integration guides, and operational runbooks.

We are an Equal Chance Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, citizenship status, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable law. https://(Use the "Apply for this Job" box below)..pdf

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Position Requirements
10+ Years work experience
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