Product Specialist – PowerBuilder Developer

Product Specialist 4 – PowerBuilder Developer Location: Dover, DE Work Arrangement: Hybrid – 2 days onsite per week Interview: In-person Schedule: Monday–Friday, 8:00 AM–4:30 PM Job Overview We are seeking an experienced Product Specialist 4 / PowerBuilder Developer to support the maintenance, troubleshooting, and production support of a critical legacy business application. The ideal candidate will have strong hands-on experience with PowerBuilder, PowerScript, DataWindows, SQL, and Oracle databases , along with the ability to analyze and reverse-engineer legacy applications with limited technical documentation. This role is primarily focused on application maintenance, production support, troubleshooting, and low-risk enhancements . The selected candidate will also have opportunities to support other applications developed using C#/.NET and contribute to future technology modernization initiatives. Key Responsibilities Investigate, troubleshoot, and resolve application incidents and production support tickets. Maintain and enhance existing PowerBuilder applications . Diagnose issues involving PowerScript, DataWindows, SQL, Oracle , and application interfaces. Analyze existing code, object inheritance, business logic, and application data flows. Reverse-engineer undocumented or unfamiliar legacy application components. Troubleshoot DataWindow retrieval and update logic, computed columns, nested DataWindows, and composite DataWindows. Use PowerBuilder development and troubleshooting tools such as Object Browser, Find in PBLs, cross-reference, and dependency analysis . Analyze and optimize SQL queries embedded within DataWindows. Support application builds, releases, and deployments as needed. Investigate application interface and data-processing issues. Create and maintain technical documentation as application knowledge is developed. Clearly communicate technical findings, risks, estimates, and recommended solutions. Respond to routine and priority production issues within established support timelines. Provide technical support for other applications developed using C#/.NET . Participate in application transition, modernization, and future platform initiatives as required. Required Qualifications 5+ years of hands-on PowerBuilder development experience. Strong experience supporting and maintaining legacy PowerBuilder applications in production environments . Advanced knowledge of PowerBuilder DataWindows , including: Retrieval and update logic Computed columns Nested DataWindows Composite DataWindows Strong PowerScript development skills. Experience with event-driven programming and object inheritance involving windows, menus, and user objects. Strong ability to debug and understand undocumented or unfamiliar codebases . Experience using PowerBuilder tools such as Object Browser, Find in PBLs, cross-reference, and dependency reports . Strong SQL skills, including analyzing and tuning SQL used by DataWindows. Experience working with Oracle databases . Experience troubleshooting application interfaces and data-processing issues. Strong analytical, troubleshooting, written, and verbal communication skills. Ability to document technical findings, changes, risks, and deployment procedures. Preferred Qualifications Experience with C# and Microsoft .NET enterprise applications. Experience with ASP.NET Web Forms, ASP.NET MVC, Web API, or ASP.NET Core . Experience supporting financial applications, including fund management, budgeting, or capital-program funding. Experience documenting legacy applications and business processes. Familiarity with source control, backup, build, and release-management practices for PowerBuilder applications. Experience working in enterprise or government environments. Work Arrangement Hybrid position in Dover, DE 2 days onsite per week Tuesday is a required onsite day; the second onsite day is flexible Candidates willing to relocate to Dover are welcome. Standard schedule: Monday–Friday, 8:00 AM–4:30 PM Occasional extended hours on Wednesdays may be required for production/system support. 37.5-hour workweek Ideal Candidate The ideal candidate is a senior PowerBuilder professional who is comfortable working independently on legacy applications, investigating problems without extensive documentation, tracing business logic through PowerScript and DataWindows, and working directly with SQL/Oracle databases. Experience with C#/.NET is a strong advantage but is secondary to the PowerBuilder requirements.