Senior .NET Engineer — C#, APIs, SQL, Law-Enforcement

CornerStone Technology Talent Services; Columbia (SC); Hybrid; USD 110,000 - 150,000; Full time

Job summary

CornerStone Technology Talent Services is seeking a Senior .NET Application Developer / Technical Lead to design, build, and support enterprise web applications and APIs in a hands-on capacity for a public-sector law-enforcement technology environment.

You will work with developers, SMEs, and business stakeholders to modernize systems, improve databases, build integrations, and deliver operational reporting, while remaining deeply involved in C#/.NET development, SQL Server, APIs, XML/JSON

Qualifications

• 5+ years of professional web application development experience with .NET or similar enterprise tech.
• Strong hands-on C# and .NET ecosystem experience.
• 3+ years of XML/JSON integration experience.
• 5+ years of unit/integration testing experience.
• 5+ years of SSRS and/or Power BI experience.
• 5+ years of support for enterprise applications (COTS/MOTS).
• Experience building RESTful APIs and system integrations.

Responsibilities

• Design, develop, enhance, and maintain enterprise web applications.
• Develop services using C#, ASP.NET, .NET Core and related Microsoft tech.
• Create RESTful APIs and system integrations.
• Work with XML/JSON data for integrations and reporting.
• Troubleshoot, debug, and resolve complex production issues.
• Develop and optimize SQL Server databases, queries, and stored procedures.
• Produce operational and business reporting using SSRS/Power BI.
• Provide testing, documentation, and application support.

Skills

C#

ASP.NET

SQL

REST APIs

SSRS/Power BI

Unit testing

CI/CD

Public sector

Education

Bachelor's degree

Tools

SQL Server

Power BI

GitHub

Job description

CornerStone Technology Talent Services is seeking a Senior .NET Application Developer / Technical Lead to design, build, and support enterprise web applications and APIs in a hands-on capacity for a public-sector law-enforcement technology environment.

You will work with developers, SMEs, and business stakeholders to modernize systems, improve databases, build integrations, and deliver operational reporting, while remaining deeply involved in C#/.NET development, SQL Server, APIs, XML/JSON