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Senior Software Developer
We are looking for an experienced Senior Software Developer to join a team supporting a broad set of enterprise applications. This long-term contract position is ideal for someone who can manage day-to-day application stability while also contributing to improvement efforts across legacy and modern Microsoft-based systems. The role calls for strong technical judgment, hands-on development expertise, and the ability to work closely with both business and IT partners to strengthen application performance and reliability.<br><br>Responsibilities:<br>• Oversee the support, maintenance, and ongoing enhancement of a large portfolio of internal business applications.<br>• Investigate production issues, diagnose root causes, and deliver effective fixes across existing Microsoft-based solutions.<br>• Review older applications to identify practical opportunities for upgrades, refactoring, and long-term improvement.<br>• Build, modify, and support software using C#, .NET, ASP.NET, MVC, and IIS within enterprise environments.<br>• Partner with business users and technical teams to improve system dependability, usability, and overall performance.<br>• Contribute to integration-related development efforts and help connect applications across the broader technology landscape.<br>• Take part in upgrade, migration, and modernization initiatives affecting legacy and current application platforms.<br>• Offer technical direction and knowledge sharing to entry-level developers and support personnel.
• At least 5 years of software development experience in .NET environments.<br>• Strong hands-on experience with C#, .NET, ASP.NET, MVC Framework, ASP.NET MVC, and IIS.<br>• Background supporting and enhancing applications built on .NET Framework 4.x.<br>• Proven ability to work effectively within complex environments that include legacy systems.<br>• Strong troubleshooting skills with experience resolving production issues in business-critical applications.<br>• Ability to analyze existing systems, document findings, and improve applications with limited original documentation.<br>• Strong communication skills and the ability to collaborate with business stakeholders, developers, and IT leadership.
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  • Mayfield Heights, OH
  • remote
  • Temporary / Contract
  • 52.25 - 60.5 USD / Hourly
  • We are looking for an experienced Senior Software Developer to join a team supporting a broad set of enterprise applications. This long-term contract position is ideal for someone who can manage day-to-day application stability while also contributing to improvement efforts across legacy and modern Microsoft-based systems. The role calls for strong technical judgment, hands-on development expertise, and the ability to work closely with both business and IT partners to strengthen application performance and reliability.<br><br>Responsibilities:<br>• Oversee the support, maintenance, and ongoing enhancement of a large portfolio of internal business applications.<br>• Investigate production issues, diagnose root causes, and deliver effective fixes across existing Microsoft-based solutions.<br>• Review older applications to identify practical opportunities for upgrades, refactoring, and long-term improvement.<br>• Build, modify, and support software using C#, .NET, ASP.NET, MVC, and IIS within enterprise environments.<br>• Partner with business users and technical teams to improve system dependability, usability, and overall performance.<br>• Contribute to integration-related development efforts and help connect applications across the broader technology landscape.<br>• Take part in upgrade, migration, and modernization initiatives affecting legacy and current application platforms.<br>• Offer technical direction and knowledge sharing to entry-level developers and support personnel.
  • 2026-08-13T00:00:00Z

Senior Software Developer Job in Mayfield Heights, OH | Robert Half