Senior .NET Developer - Modernization Lead
Location: Everett, MA
Duration: 6 Months
Pay Rate: $60-$70/hr
Job Summary:
Seeking a Senior .NET Developer to lead legacy application modernization, architecture improvements, API development, and technical delivery.
Responsibilities:
Lead design, development, and modernization of C#/.NET applications.
Refactor legacy systems and reduce technical debt.
Develop secure, scalable REST APIs and backend services.
Optimize SQL Server performance, indexing, and queries.
Establish coding standards and conduct design reviews.
Troubleshoot production issues and improve system reliability.
Collaborate with QA and DevOps on automation and CI/CD.
Mentor developers and guide technical decisions.
Requirements:
Bachelor's degree in a technical field or equivalent experience.
7+ years of enterprise C#/.NET development experience.
Strong ASP.NET MVC and REST API skills.
Advanced SQL Server performance tuning experience.
Experience modernizing legacy applications.
Knowledge of JWT, OAuth, dependency injection, middleware, and asynchronous processing.
Familiarity with Angular or React, Git, CI/CD, and cloud platforms.
Technical leadership and mentoring experience.
Note: This job doesn't offer any benefits.