Senior Application Developer Consultant – Inline SQL Remediation

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🦀 Maryland – Remote

🦀 Maryland – Remote

⏳ Contract/Temporary

🟠 Senior

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HIKINEX

WebsiteLinkedInAll Job Openings

201 - 500 employees

🤝 B2B

🎯 Recruiter

B2B • Recruitment

HIKINEX is a multi-channel integrated service provider that delivers outsourced sales, recruitment, virtual assistant, and marketing support to help companies scale quickly and reduce operating costs. The company offers sales-as-a-service (appointment setting, outbound sales, sales training), end-to-end recruiting and talent acquisition (sourcing, screening, ATS management, executive recruiting), virtual administrative support, and marketing/brand ambassador services. HIKINEX operates remotely out of San Francisco and emphasizes flexible, scalable staffing and operations solutions for B2B clients.

📋 Description

• Develop and maintain enterprise applications using C# and .NET technologies. • Refactor embedded and inline SQL within application code to support PostgreSQL compatibility. • Modernize data access layers using ADO.NET, Entity Framework, and Dapper. • Migrate SQL Server-based applications and database integrations to PostgreSQL. • Convert T-SQL queries and database logic to PostgreSQL-compatible syntax. • Update connection strings, credentials, and database access configurations. • Perform application testing, debugging, and performance optimization throughout migration efforts. • Collaborate with cross-functional teams to deliver scalable, secure, and high-quality application modernization solutions.

🎯 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 and 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, troubleshooting, and performance optimization.

🏖️ Benefits

• Candidates must be U.S. Citizens or U.S. Permanent Residents (Green Card holders) authorized to work in the United States without current or future visa sponsorship. • Willing to support and work with a government client. • Willing to undergo fingerprinting as part of the onboarding process. • Must successfully complete a government background investigation (CJIS-type clearance).