# Leonid Trosman > Software Engineer at Ren | Powerbuilder, C#, JavaScript, Sybase ASE, PostgreSQL Location: New York City Metropolitan Area, United States Profile: https://flows.cv/leonidtrosman As a Software Engineer I leverage years of experience in software development with focus on creating new and enhancing existing applications, user support, migrations, bug fixes and testing. I have extensive experience with various RDBMS systems, including creating stored procedures, functions, triggers, performance tuning. I am highly knowledgeable in all aspects of SDLC processes for agile as well as waterfall projects. I am passionate about delivering high-quality robust and flexible solutions that enhance systems functionality and user experience. ## Work Experience ### Software Engineer @ Ren Jan 2021 – Present • Develop solutions to transform Powerbuilder code from Sybase to PostgreSQL utilizing Powerbuilder, C#. • Implement enhancements and bug fixes to improve system functionality (Powerbuilder, Sybase ASE, JavaScript). • Convert Sybase ASE queries, scripts, SPs, Functions to PostgreSQL. • Develop new features to enhance letter generation process for increased usability. • Use QLIK to populate Sybase data into PostgreSQL tables; create database pre and post migration scripts. ### Senior Programmer Analyst @ Surecomp Jan 2019 – Jan 2021 | Hoboken, New Jersey, United States • Developed SQL Server processing for SWIFT MT700 messages, ensuring compliance with SWIFT 2020 standards. • Created Python interfaces for Surecomp clients, enhancing communication and efficiency. • Created technical documentation for new and modified interfaces. • Resolved client requests and issues promptly, maintaining high client satisfaction levels. • Worked on new SWIFT 700 messages implementations and client specific projects. ### Developer III, VP @ BNY Mellon Jan 2000 – Jan 2019 | New York, NY In my role as a Developer III, VP at BNY Mellon, I led the development of various Powerbuilder applications, created web forms .Net applications for revenue reporting and billing system support. I improved E-file SSIS packages, migrated systems to new servers, and troubleshooted front-end and back-end issues to enhance performance and user experience. Had key role in various large-scale Advantage billing system projects, such as upgrade of SQL Server version, move to new Advantage version 7 system... ### Programmer / Analyst @ Lewco Securities Corp Jan 1997 – Jan 2000 | Jersey City, NJ • Modified and created new functions for Customer Master (CM) and Security Master systems at Lewco Securities, Inc in Jersey City, NJ. • Incorporated PostalSoft address checking into CM system to enhance data accuracy and efficiency. • Created ReportViewer flexible report system based on Dynamic DataWindows for improved data visualization. • Developed HTML/JavaScript front-end for Commission Calculator engine to streamline commission calculations. ### Programmer @ Avis Rent a Car Jan 1996 – Jan 1997 | Garden City, NY • Developed front-end for Yield system at Avis Rent a Car. • Created screens, stored procedures, and user objects with complex business logic. • Collaborated with users to implement custom filters and zoom features for operational reports. ## Education ### Bachelor of Applied Science - BASc in Electrical and Electronics Engineering Saint Petersburg State Institute of Technology (Technical University) ## Contact & Social - LinkedIn: https://linkedin.com/in/leo-trosman --- Source: https://flows.cv/leonidtrosman JSON Resume: https://flows.cv/leonidtrosman/resume.json Last updated: 2026-04-13