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: • Bachelor’s degree in Computer Science, Information Systems, Software Engineering, or related field (Master’s 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.