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Senior .NET Developer

Unison Group · Al Khobar, Eastern Province, Saudi Arabia

Software DevelopmentSenior LevelExternal listingcontract13 days ago

About The Role

We are looking for experienced Senior .NET Developer to design, develop, and maintain enterprise-grade applications and system integrations. The ideal candidate should have strong expertise in the Microsoft technology stack, API development, database management, and application deployment. This role requires hands-on experience in building scalable, secure, and high-performance solutions while collaborating with cross-functional teams to deliver business-critical applications.

Key Responsibilities

  • Design, develop, test, and maintain enterprise applications using .NET Framework , ASP.NET Core , and C# .
  • Develop and maintain RESTful APIs and SOAP/XML Web Services for seamless application integration.
  • Build scalable and secure integration solutions with internal and third-party systems.
  • Develop, configure, and maintain Windows Services to support backend processing.
  • Design, optimize, and troubleshoot database solutions using Microsoft SQL Server and Oracle Database .
  • Deploy, configure, and manage applications hosted on Internet Information Services (IIS) .
  • Implement secure coding practices and ensure compliance with API security and integration standards.
  • Collaborate with business analysts, solution architects, QA teams, and stakeholders to understand requirements and deliver technical solutions.
  • Perform code reviews, debugging, performance tuning, and application optimization.
  • Participate in CI/CD implementation, application deployment, and release management using DevOps practices.
  • Maintain source code using Git or TFS and follow version control best practices.
  • Create and maintain technical documentation, including design documents, API documentation, and deployment guides.
  • Troubleshoot production issues and provide timely support for critical business applications.

Requirements

  • Minimum 5+ years of hands-on experience in .NET Framework and ASP.NET Core application development.
  • Strong proficiency in C# programming with expertise in object-oriented design principles.
  • Extensive experience in developing, consuming, and integrating SOAP/XML Web Services .
  • Strong expertise in RESTful API design, development, integration, and troubleshooting.
  • Hands-on experience in developing, deploying, and maintaining Windows Services .
  • Strong database development experience with Microsoft SQL Server , including stored procedures, T-SQL, and performance optimization.
  • Experience working with Oracle Database and PL/SQL development.
  • Hands-on experience in deploying, configuring, and managing applications on Internet Information Services (IIS) .
  • Good understanding of DevOps practices, including CI/CD pipelines , automated deployments, and release management.
  • Proficiency with Git and/or Team Foundation Server (TFS) for source code management and version control.
  • Strong understanding of integration architecture , application design principles, and enterprise integration patterns.
  • Experience implementing secure integration solutions , including API authentication, authorization, encryption, SSL/TLS, OAuth, JWT, and industry-standard security best practices.

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