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If you're able to share, I'm curious what kinds of systems these are (and also, I guess, how development velocity compared to statically typed projects you've w

• zimpenfish 6y ago
  Net-A-Porter is probably the prima Perl in London at the minute and have been for decades - although I think they started migrating to Modern Perl with microservices in 2018ish. Photobox were still on a 10+ years old Perl system in 2018 when I left - development velocity there was only really hampered by an insane belief that rewriting into node.js microservices would solve every problem and the ORM + Object system being a ~10yr old handcrafted abomination from someone who had left 5+ years ago.
  • jdm2212 6y ago
    How do they do refactors and dependency upgrades safely? Just a really strong unit testing culture, specialized tooling or <something else>?
    • zimpenfish 6y ago
      Can't speak for NAP but Photobox was extremely strong on unit + integration testing. IIRC, a full ground-up test suite run took a few hours because it started from a bare box, installed + tested Perl + every needed module, span up a blank database, then did the unit tests, then ran a full integration test suite against that server. That was only done for a release; for general commits, it was ok to run a subset of tests to show things worked / still worked.