> Markdown version of [/jobs/ext/3569202-application-developer](https://www.wearedevelopers.com/jobs/ext/3569202-application-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Application Developer

- **Company:** Insight Global
- **Location:** Dover, DE, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Business Software, C Sharp (Programming Language), Event-Driven Programming, Oracle Databases, PowerBuilder, Release Management, Reverse Engineering, Freeform SQL, ASP.NET Applications, Software Version Control, Legacy Systems, Web Api
- **Published:** October 3, 2026
- **Apply:** https://dejobs.org/x/x/178150C58DAA4954BBD39B3433B8DDBF/job/

## About the Role

* 5+ years of hands-on PowerBuilder development experience supporting and maintaining legacy applications. * Strong experience troubleshooting PowerBuilder applications in a production support environment. * Strong PowerScript experience, including event-driven programming and object inheritance. * Experience writing and troubleshooting complex SQL queries. * Experience supporting Oracle databases. * Ability to analyze and reverse-engineer undocumented legacy code. * Strong communication and documentation skills. * Experience with C# and Microsoft .NET application support and development. * Experience supporting ASP.NET applications, Web APIs, or ASP.NET Core. * Experience with financial, budgeting, or fund management applications. * Familiarity with source control, build, deployment, and release management processes. * Experience creating technical documentation for legacy systems.

## Description

A client of Insight Global is seeking an Application Developer to join their team in Dover, DE in a hybrid environment. This individual will support and maintain a critical legacy business application currently built in PowerBuilder, troubleshooting production issues, analyzing and maintaining existing code, resolving incidents, supporting deployments, documenting findings, and collaborating with technical and business teams to ensure application stability and ongoing operational support.


## Related Videos

- [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions)
- [Say goodbye to building boring APIs with Azure Data API Builder](https://www.wearedevelopers.com/videos/1194-say-goodbye-to-building-boring-apis-with-azure-data-api-builder)
- [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about)
- [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now)
- [Automated MS SQL Server database deployments with dacpacs and Azure DevOps](https://www.wearedevelopers.com/videos/334-automated-ms-sql-server-database-deployments-with-dacpacs-and-azure-devops)
- [Developing ASP.NET Core Microservices with Dapr: A practical guide](https://www.wearedevelopers.com/videos/1528-developing-asp-net-core-microservices-with-dapr-a-practical-guide)

## Related Articles

- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)