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Viewing profile — calderarrow

calderarrow

HN member
Joined
Wed, Aug 21, 2019, 11:06 PM UTC
HN karma
632
Public activity
82 items

About calderarrow

Certified Public Accountant turned fintech engineer (MS in Accountancy & MS in CS). I used to build financial tools & technology for a credit card company whose product you may have in your wallet. Now, I work for a startup credit bureau.

Recent public activity

  1. comment
    Comment #49235497

    I'm building Duolingo for blackjack card counting. It's a Progressive Web App so you can install, learn, and practice cross-platform, and it is designed to combine a mastery-styled…

  2. comment
    Comment #48867474

    > Court rules employee has the right to make the comments she made Random HN comment: > her comments were unprofessional and she has no right to distract the company. Same User: > …

  3. comment
    Comment #48088705

    I’m building a blackjack card counting tool for people to learn how to count and how to identify games that are winnable. It is designed to take a completely novice to an advanced,…

  4. comment
    Comment #47518607

    https://en.wikipedia.org/wiki/Humour

  5. comment
    Comment #46906383

    This is the proper approach when deciding whether to use any type of tool or technology. Is the increased amount of cognitive overhead for someone with minimal exposure to your sys…

  6. comment
    Comment #45871767

    Bank Rank — an automated bank account that dynamically allocates your money across the best accounts to maximize your rate at all times. We’re doing an alpha launch in Q1 2026, and…

  7. comment
  8. story
    Bankrank.io is accepting signups for their Q1 2026 Alpha

    Hey! I'm Anthony, one of the creators of Bank Rank. We're building a fully-automated bank account that continuously optimizes your yield to guarantee the best rates. Behind the sce…

  9. comment
    Comment #45605995

    Two big reasons: 1. If the government is in charge of deciding the tax policy and collecting the taxes, it creates a potential conflict of interest if they are also in charge of te…

  10. comment
    Comment #45576175

    I’m building a tool to automatically move deposits into new bank accounts with better rates and fees. It will operate continuously, so I never have to search for the “best” bank ac…

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    Comment #44148116

    Are you able to share a bit more about this? Specifically: 1. How did you find your first customers? 2. How did you determine a price? 3. What are the payment plans based on? Usage…

  13. comment
    Comment #42635126

    I work in software now, but I was an accounting major, CPA, and worked in Public Accounting for 4 years before making the switch. Accounting actually is more of a trade, and I felt…

  14. story
  15. comment
    Comment #41665117

    With capital punishment, we remove the possibility of fixing our mistake if someone is innocent. But if we lock someone up for 30 years, they have the opportunity for justice to be…

  16. comment
    Comment #41663980

    Perhaps I misunderstood it, but I read that as you not finding the value of avoiding accidental executions as worth the cost to avoid them. And if so, then I think that’s a perfect…

  17. comment
    Comment #41663526

    I used to be, for most of the same reasons as you. What ultimately convinced me was realizing that our judicial system can never be 100% perfect, so we would always have a non-zero…

  18. comment
    Comment #41560609

    Off-topic, but did anyone attend Johns Hopkins CTY camp as a kid? I did it for 9 straight summers, and while the name is a bit pretentious, it was one of the best experiences I had…

  19. comment
    Comment #39969476

    That section is just for mathematics, which the commenter specifically called out. The reading and science are above average

  20. comment
    Comment #39694369

    If you don't mind sharing even more, what did you do to learn HPC/AI/ML? Any suggestions for getting started?

  21. comment
    Comment #39675901

    Give that money to someone close to you who can hold you accountable — hell, I’ll do it if you need — but you’re going to be earning every dollar of that over the next year by coun…

  22. story
    Show HN: An open source tool for tracking bank account rates and fees

    Hi HN, I've been working on an open sourced tool called Bank Rank to track bank account fees, rates, and balance requirements in the United States. For a quick primer, there are 4 …

  23. comment
    Comment #38875510

    SEEKING VOLUNTEERS: Project: Bank Rank Description: Crowdsourcing templates to monitor deposit account rates and fees across the 8500+ banks and credit unions in the U.S. Tech Stac…

  24. comment
    Comment #36540100

    I've been trying to understand the rationale of the court in simpler terms. Is this an adequate understanding of the reasoning: 1. Congress delegates some of its authority to issue…

  25. comment
    Comment #35604695

    If people take their money elsewhere, the banks can borrow from the fed, just at a higher rate. So in theory, they should be willing to increase their rate up to whatever the fed-r…