Remote .NET Engineer — Security & Legacy ASP.NET 4.8

Slalom; Providence (RI); On-site; USD 110,000 - 138,000; Full time

Benefits offered by this job

401(k) match

Health, dental, & vision coverage

Paid holidays

Well-being reimbursement

Job summary

Slalom is seeking experienced .NET Engineers to support enterprise digital platforms, focusing on security remediation and maintenance of legacy ASP.NET apps built on .NET Framework 4.8. Fully remote with EST hours, start date September 21, 2026, and long-term engagement through year-end with potential extension into 2027.

You will analyze, troubleshoot, and deploy fixes, integrate REST and SOAP services, and collaborate with cross-functional teams to improve stability, performance, and security

Qualifications

• 5+ years of hands-on .NET development.
• .NET Framework 4.8 and ASP.NET experience.
• Experience maintaining legacy enterprise applications.
• Experience developing and consuming REST and SOAP services.
• Proficiency in C#, debugging, troubleshooting, and production support.
• Familiarity with source control and team collaboration.

Responsibilities

• Remediate security vulnerabilities across multiple business-critical applications.
• Analyze, troubleshoot, and enhance legacy ASP.NET applications built on .NET Framework 4.8.
• Develop, test, and deploy code fixes and enhancements.
• Support applications utilizing REST and SOAP APIs.
• Collaborate with development and platform teams to improve stability, performance, and security.
• Work across multiple repositories and concurrent development efforts.

Skills

.NET development

ASP.NET

C#

REST APIs

SOAP Services

SQL Server 2022

Source control

Troubleshooting

Tools

SQL Server 2022

Job description

Slalom is seeking experienced .NET Engineers to support enterprise digital platforms, focusing on security remediation and maintenance of legacy ASP.NET apps built on .NET Framework 4.8. Fully remote with EST hours, start date September 21, 2026, and long-term engagement through year-end with potential extension into 2027.

You will analyze, troubleshoot, and deploy fixes, integrate REST and SOAP services, and collaborate with cross-functional teams to improve stability, performance, and security