HIKINEX

Compensation

Full Description

Must-Have Screening Requirements: U.S. Citizen or Green Card (Permanent Resident) holder ONLY. No visa holders or temporary-status individuals. Must be willing to undergo fingerprinting and a government background check (CJIS-type). LinkedIn profile required; all resumes will be verified against LinkedIn. Requirements: 5+ years of full-stack .NET development experience. Strong hands-on experience with: C# and .NET application development ADO.NET / System.Data.SqlClient and Npgsql Entity Framework (EF6 and EF Core) Dapper and data access layer development SQL Server and PostgreSQL database integration Refactoring embedded/inline SQL within application code Experience migrating or converting: SQL Server-based applications to PostgreSQL Connection strings, credentials, and database access layers T-SQL queries to PostgreSQL-compatible syntax Strong understanding of application-to-database interactions, testing, and troubleshooting. Preferred: Experience with .NET Framework to .NET Core/.NET 8 modernization projects. AWS experience, including Secrets Manager and Parameter Store. Experience supporting SQL Server to PostgreSQL migration initiatives. Familiarity with transaction management and distributed system modernization.