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Ask HN: What is the most impactful thing you've built?

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Re: Ask HN: What is the most impactful thing you've built?

#331
I designed and implemented a betting system using those Chinese POS you normally use for credit cards, made a deal with Telco for data packages for more than 10k paid users consuming under 5MB a month for 40 daily transactions.

We end up serving millions of users a month and the system became part of Dominican culture

Made some good money from it, was 21 at the time

Re: Ask HN: What is the most impactful thing you've built?

#332

Earlier quoted context omitted.

How did you find all these product market fits? Have you made more than a typical SWE?

It was actually a wandering hyperactive/ADHD mind that often said "why isn't there one" and follows through doggedly to the very end. It is one of those traits where a mind clicks and said "this is it and how" and surprisingly gets into the most illusive hyperfocus/high-energy mode (without using any drug). Slow-path network processing (arguably me) was commercially made in Ascom Timeplex in 1982 and someone else lea…

How did you get disabled?

Re: Ask HN: What is the most impactful thing you've built?

#334

I built the first "post-play" experience for Netflix. It made it so that Netflix would automatically start playing the next episode of the show you are watching after a 15 second count down. We built it in the Silverlight player on the web because it was the fastest way to A/B test new features at the time. Before post-play, you had to open the episode menu and click on the next episode to play it. We didn't want to…

I want to say I hate automatic playing of content after my content is complete but when I really think about it I love it when I want it to do that and hate it when I don't and i'm too lazy to tell my UI which is which. I guess when something just works your users will assume the cases where it is working properly are just the way things are and the cases where it does something they don't like is your fault. So well…

I miss contemplating the content I watch. The attention economy has really perverse incentives. No thinking, only consuming.

Re: Ask HN: What is the most impactful thing you've built?

#335

During a centralisation of public school local servers to a data centre, I created a consolidated library enquiry system. It served over 2,000 libraries, had 330 million titles, and had about a million users. It was efficient enough to run off my laptop, if need be. AFAIK it was one of the top five biggest library systems in the world at the time. I was asked to add some features that would have been too difficult in…

> had a far greater effect on the literacy of our state than any educator by orders of magnitude Nice work, but check your ego mate. Seems your growth hacking would have had zero result if those kids couldn't read to start with, so you could share some credit ;-)

By that logic, the people who farm the trees that make the books have more impact than anyone before them, unless you want to consider the people that make the tools, or feed the farmers, etc etc.

Re: Ask HN: What is the most impactful thing you've built?

#336
I started an indie side project marketplace in 2014 called SideProjectors.

https://sideprojectors.com

Back then Flippa was probably the only dominant online marketplace for digital businesses.

It’s a big claim I know but I’m proud that the marketplace still is thriving and since then there has been dozens of similar marketplaces popped up. Also in the past few years it’s been so much easier for anyone to start online projects with various nocode tools and all.

Can’t say how impactful it has been, but I’m happy how far it has come.

Re: Ask HN: What is the most impactful thing you've built?

#337
A custom feature-flag system for my current firm. It lets them roll out things unattended ("add 2% of users every day until it's fully on"), gated in ways that fit their business structure.

We're in a space(payments) where deployment is a tightly managed compliance thing, and people get very touchy about specific assumed behaviour. A lot of support inquiries are literally "you just fixed things and got fully certified to be compliant with a third-party service? But we LIKED the old behaviour!"

Feature flags have lowered the tension. We can put sensitive customers into a penalty box until they're ready to use the updated feature, and if something blows up too badly, we just entirely deactivate the change until it can be properly fixed, with a few clicks. Virtually any significant project has one or more flags, and it's ,mostly been a "alternate Fridays are for side projects" sort of task.

Re: Ask HN: What is the most impactful thing you've built?

#339

Honestly, I have built nothing impactful in an 30+ year career. It's mostly been working on my own or other people's ideas that didn't pan out or that I got disillusioned with, or building internal systems that a few dozen people use. I'd estimate that the vast majority of the code I've written is not running anywhere at all today.

why not find something that you would find rewarding to work on, even if it's on the side? the things i've done that feel impactful are little tools i've made to help the people i know

Honestly, I have lost the motivation. Or perhaps it that I find nothing about computers to be rewarding anymore. I've almost decided that life was simpler and better when everybody was not buried in a phone 12 hours a day and didn't need to be online from home to deal with the basic demands of working and living.

Re: Ask HN: What is the most impactful thing you've built?

#340
Sometime around 2010 I made a custom skin for an email notification app called Pop Peeper, it's a recording of my pet duck Carl that was downloaded over 11,000 times: https://www.esumsoft.com/pop-peeper/notifier-skins/#Carl

Just kidding. I was lead engineer on a login page for an Experian identity monitoring remediation product for a major data breach affecting over 20M government employees. Millions of people interacted with my code, kinda cool but everything about that code was very boring.

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