Senior .NET Engineer, Application Modernization Engineer

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HIKINEX

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

• Lead the modernization of enterprise applications and legacy systems. • Design, develop, and modernize .NET applications. • Migrate legacy platforms to modern architectures. • Build scalable, cloud-native solutions. • Develop and maintain RESTful APIs and microservices-based applications. • Design and integrate solutions with SQL Server and other relational databases. • Optimize application performance through code refactoring and architectural improvements.

🎯 Requirements

• 5+ years of experience in .NET application development. • Strong hands-on experience with: C# and ASP.NET. • .NET Framework modernization to .NET Core / .NET 8. • REST APIs and microservices architecture. • SQL Server development and database integration. • Application modernization and legacy system migration. • Cloud-native application development and AWS integration. • Experience working on large-scale modernization projects involving: Legacy WebForms applications, Stored procedures and database-heavy applications, SSIS migrations and redesign efforts. • Strong understanding of software architecture, performance optimization, and code refactoring.

🏖️ Benefits

• 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. • Successfully complete a government background investigation (CJIS-type clearance).

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