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Viewing profile — arohner

arohner

HN member
Joined
Wed, Mar 19, 2008, 8:29 PM UTC
HN karma
2,924
Public activity
690 items

About arohner

Founder, CTO Griffin (https://griffin.com) We're a UK bank.

Founder, ex-CTO of CircleCI.

email: allen@griffin.com, a at $my-username.com

Recent public activity

  1. comment
    Comment #47224724

    Griffin Bank | Engineering | REMOTE (UK) Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking syste…

  2. comment
    Comment #46328527

    The Clojure version is not AOT'd, so it's measuring startup + compiler time. When properly compiled it should be comparable to the Java implementation.

  3. comment
    Comment #46196287

    It's fairly strictly enforced. The reason is that in many jurisdictions, you can accidentally create employment tax liability by working remotely for too long in the country.

  4. comment
    Comment #46195084

    Griffin Bank UK uses it for our entire system ( https://griffin.com )

  5. comment
    Comment #46110693

    Griffin Bank | Engineering | REMOTE (UK) Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking syste…

  6. comment
    Comment #45803336

    Griffin Bank | Engineering | REMOTE (UK) Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking syste…

  7. story
  8. comment
    Comment #40880819

    Clojure does have stateful quickcheck library now: https://github.com/griffinbank/test.contract Parallel testing is interesting, but hasn't been a large source of pain yet.

  9. comment
    Comment #37319563

    We could in theory bank other banks, but that's not our focus. Our current customers are mostly regulated non-bank financial institutions, E-Money and Client money. As an American …

  10. comment
    Comment #37319427

    It is a tall order, but but it's doable. The most important thing is to reduce the surface area of your application. Our business logic is almost entirely pure. The 'procs' have no…

  11. comment
    Comment #34804075

    What is the performance problem?

  12. comment
    Comment #33079419

    Griffin ( https://www.griffin.sh ) | UK, Ireland, Germany, Sweden, Portugal, Estonia | Full-time | Remote | Engineering We're a new Banking as a Service provider (think AWS for fin…

  13. comment
    Comment #32926137

    We're hiring for this role in the UK and parts of the EU: https://boards.greenhouse.io/griffin/jobs/5252742003

  14. comment
    Comment #32836229

    Revolut is not a bank in the UK

  15. comment
    Comment #32835487

    Griffin ( https://www.griffin.sh ) | UK, Ireland, Germany, Sweden, Portugal | Full-time | Remote | Engineering We're a new Banking as a Service provider (think AWS for financial se…

  16. comment
    Comment #26340975

    Griffin | Senior Engineers | London | REMOTE (UK, Ireland, Germany, Portugal, Denmark, Netherlands) Griffin is building an API-driven online-only UK bank. Think AWS for financial s…

  17. comment
    Comment #24970272

    Griffin | Senior Backend and Infrastructure Engineers | London | REMOTE (UK, Ireland, Germany, Portugal, Denmark, Netherlands) Griffin is building an API-driven online-only UK bank…

  18. comment
    Comment #24655676

    Griffin | Senior Backend and Infrastructure Engineers | London | REMOTE (UK and anywhere supported by boundlesshq.com) Griffin is building an API-driven online-only UK bank. Think …

  19. comment
    Comment #24344349

    Griffin | London, UK | Engineering & Product | REMOTE UK/Ireland | Fulltime | https://griffin.sh Griffin is applying for a UK banking license, and we're going to be AWS for financi…

  20. comment
    Comment #24047986

    Griffin | Engineering & Product | London | REMOTE UK/Ireland | Fulltime | https://griffin.sh Griffin is applying for a UK banking license, and we're going to be AWS for financial s…

  21. comment
    Comment #22144442

    In my experience, STM isn't used because it's very rare to have situations where you need STM but don't need durability. In most production situations, you need to record state cha…

  22. comment
    Comment #21937394

    Griffin | Senior Infrastructure Engineer | London, UK REMOTE USA,EEA | Full-Time | https://griffin.sh We are building an API-first white-label bank in the UK to be the partner bank…

  23. comment
    Comment #21360051

    To expand on your example: I invest $100 for 20% of your venture, implicitly valuing the company at $500 . You sell for $200. - Standard preference: I get $100 or 20% of the compan…

  24. comment
    Comment #20867722

    Griffin | Senior Backend Engineer | London, UK | Full-Time | Onsite or remote UK | https://griffin.sh We are building an API-first "platform" bank in the UK to be the partner bank …

  25. comment