Robert Holt is a Senior Software Engineering Manager with a decade of experience building language runtimes, static analysis tools, and developer tooling—most notably as a core engineer and long-time maintainer of PowerShell, its VSCode extension, and PSScriptAnalyzer. Now leading ledger and risk teams at Mercury, he blends low-level .NET expertise (reflection, threading, native interop) with practical product delivery for banking systems. His background in compilers and language implementation, honed tutoring compiler and formal methods courses and building DSLs, informs a pragmatic approach to correctness and performance. An active open-source maintainer, he has contributed deep fixes and refactors across PowerShell repos, including compatibility rules and test automation, showing a knack for improving developer experience at scale. Originally from Australia and now based in Seattle, he combines academic rigor with production-grade engineering and a taste for language and runtime design.
A common platform for PowerShell development support in any editor or application!
Role in this project:
Back-end Developer
Contributions:19 releases, 140 reviews, 544 commits in 3 years 7 months
Contributions summary:Robert's contributions focused on enhancing PowerShell Editor Services, particularly concerning debugging features and Pester integration. Their work included adding events for PowerShell execution status, refactoring Pester script detection for improved analysis, and adding functionality like SaveAs support. They implemented various code improvements, null checks, and refactoring to maintain code quality and enhance the reliability of the editor's functionalities.
Contributions:93 reviews, 71 commits, 85 PRs in 2 years 8 months
Contributions summary:Robert primarily contributed to the development of compatibility rules for PowerShell ScriptAnalyzer. Their work involved implementing new compatibility rules, focusing on the serialization of compatibility rule types, and integrating this functionality within the existing codebase. Furthermore, the user made significant improvements to settings file parsing and addressed issues related to command info caching, enhancing the tool's reliability and performance. They also worked on the UI, adding test cases and fixing syntax.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Robert Holt - Senior Software Engineering Manager at Mercury