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PowerBuilder Developer (Columbia)
PowerBuilder Developer (Columbia)Bestinfo Systems LLC • Columbia, MD, US
PowerBuilder Developer (Columbia)

PowerBuilder Developer (Columbia)

Bestinfo Systems LLC • Columbia, MD, US
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  • [job_card.part_time]
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PowerBuilder Developer (C++ / C# / PowerBuilder)_Columbia, MD (On-site / hybrid)_Contract (6 Months)

Position Title : PowerBuilder Developer (C++ / C# / PowerBuilder)

Location : Columbia, MD (On-site / hybrid)

Employment type : Contract

Duration : 6 Months

Justification : Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA)

Experience Level : 5-10 years

Job Responsibilities :

  • Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations.
  • Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems.
  • Collaborate with business analysts, end users, and cross-functional teams to gather requirements, define specifications, and implement solutions.
  • Support system modernization efforts by rewriting, refactoring, or integrating legacy PowerBuilder code into modern platforms using C++, C#, and other contemporary technologies.
  • Develop and maintain backend logic, APIs, and interfaces to support business workflows, reporting, and integration with other enterprise systems.
  • Perform code reviews, unit testing, and integration testing to ensure code quality, stability, and maintainability.
  • Document system architecture, design decisions, and technical specifications for both legacy and modernized systems.
  • Support data migration, conversion, and synchronization activities during system transitions.

Technical Skills & Qualifications :

  • Bachelors degree in Computer Science, Information Systems, Software Engineering, or related field (Masters preferred).
  • 5-10 years of hands-on experience developing and maintaining applications in PowerBuilder (versions 9.x through 2019 R3 or later).
  • Strong proficiency in C++ and C# with experience migrating legacy systems to modern architectures.
  • Solid understanding of client-server application development, database interaction, and backend business logic implementation.
  • Extensive experience working with relational databases (e.g., Oracle, SQL Server, Sybase), including SQL development, stored procedures, and performance tuning.
  • Familiarity with object-oriented design principles, software development life cycle (SDLC), and Agile methodologies.
  • Experience developing and consuming web services (REST, SOAP) and integrating with third-party APIs.
  • Strong problem-solving, debugging, and analytical skills with the ability to diagnose complex system issues.
  • Excellent written and verbal communication skills with the ability to interact effectively with both technical and non-technical stakeholders.
  • Experience supporting mission-critical enterprise applications in a public sector or transportation environment is highly desirable.
  • Familiarity with version control systems (e.g., Git, TFS) and CI / CD pipelines is a plus.
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