Freelance - .NET Developer Oracle Primavera Unifier

We are looking for an experienced Senior .NET Developer with strong hands-on Oracle Primavera Unifier experience to support and enhance enterprise applications.

This is a remote freelance opportunity for a candidate who can work independently, troubleshoot enterprise systems, and collaborate with internal technical teams.

.NET Developer – Oracle Primavera Unifier

Key Responsibilities

• Maintain, configure, and support Oracle Primavera Unifier v26.6+
• Modify Unifier business processes, data views, BI reports, custom prints, and configurations
• Troubleshoot Unifier configuration issues and provide user support
• Develop and maintain applications using:
• C#
• VB.NET
• ASP.NET
• .NET Framework
• .NET Core
• Upgrade an existing .NET Core 8 application to .NET 10
• Develop and optimize Microsoft SQL Server databases and queries
• Configure and support IIS and Windows Server environments
• Troubleshoot application and integration issues
• Prepare technical documentation and conduct knowledge-transfer sessions
• Work closely with internal teams on enterprise application enhancements

Mandatory Requirements

Oracle Primavera Unifier experience

Experience with Oracle Primavera Unifier Version 26 / 26.6+

.NET development experience

Strong C#, VB.NET, ASP.NET, .NET Framework and .NET Core experience

Strong Microsoft SQL Server skills

Experience with IIS and Windows Server

Experience with Visual Studio

Understanding of application security, privacy and compliance

Strong troubleshooting and communication skills