Sansar Tec · 17 hours ago
Senior .NET / .NET Core Developer (Modernization)
Sansar Tec is seeking strong senior-level candidates for a critical modernization role. The ideal candidate will have hands-on experience modernizing legacy .NET applications to .NET Core microservices, with mandatory Telecom domain experience.
Responsibilities
Modernization of legacy .NET Framework applications to .NET Core microservices
Strong experience with MSSQL to PostgreSQL migration (AWS RDS)
Full-stack development using modern JavaScript frameworks
Hands-on AWS cloud deployment, CI/CD, and microservices architecture
Qualification
Required
US Citizens ONLY—(Note: GC, GC-EAD, H1B, OPT, CPT, L2, TN, or any other visa is NOT acceptable.)
W2 candidates ONLY
Fully onsite – Philadelphia, PA
NO C2C / NO 1099 / NO third-party submissions
7+ Years of experience
Telecom domain experience (Mandatory)
Hands-on experience modernizing legacy .NET applications to .NET Core microservices
Strong experience with MSSQL to PostgreSQL migration (AWS RDS)
Full-stack development using modern JavaScript frameworks
Hands-on AWS cloud deployment, CI/CD, and microservices architecture