Senior.NET Developer - Modernization Lead - Everett& MA - RJ

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.