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

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511–520 of 759 posts

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

#511
1: Porting YNAB from a spreadsheet to a C# Windows app back in 2006. (People tell us YNAB has changed their life) 2: Subsequently helping build the YNAB company/team. They are an amazing group of people and I’ll likely never be prouder of anything in my life.

To be very clear: I can’t take credit for the original idea or spreadsheet. That would be our original founder, Jesse.

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

#512
post #509

A whole bunch of labor agreements that extended our operations over thousands of new route miles. Got pretty much had what both labor and management really needed, got ratified by membership, worked decently in the real world. I used Microsoft Word.

The written word is underestimated as a tool of leverage by many technologists.

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

#513
Rebuilt the entire app UI for Onelogin. The ceo - who made the original UI - was refusing to launch it. The sales team wasn't able to close a single deal on the legacy UI though and forced him to release it. I made a whopping 36k from the company sale 10 years later, so I have that going for me.

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

#515
post #57

I created Tiny Flashlight for Android 12 years ago. It's been downloaded almost 500m times. Back then every hardware vendor implemented the camera API in their own way and it wasn't easy to start the camera led. I had to purchase many different devices from different carriers from all around the world just to find out a way to start the camera LED. It was very helpful when the vendor published the kernel source code…

haha this is sweet, did you monetize it? Did you make your money back from buying all those phones or just consider a tax for making a cool app?

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

#516
post #284

In 1995 I (and a few others) designed and built the first WiFi node [1]. At the time there was only one WiFi unit in the world, and it was the one on our bench. It now has about 20 billion descendants. [1] https://sci-hub.se/https://doi.org/10.1109/40.566198

Awesome. What made it win? Were there any close competitors? Was infrared close to being the winner? I'm also surprised big enough FPGA was already around. Thanks.

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

#517
The software that DB used to model most of the financial assets that went south and caused the recession of 2008.

Back in the days I was not fully aware of what we were building (we were a team of 3 engineers working for a "reputable" London based bank), but there were subtle cues in the requirements like the options given by the software to base the SPEs (the company that issues the repackaged bonds) in places like Bermuda, Cayman Islands, etc.

In hindsight, watching "The Big Short" for the first time was a big come to Jesus moment to me.

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

#518
post #301

Wrote del.icio.us and invented tagging. Echoes of my original design are still around (notably account urls being web.site/userid)

My first web app was a del.icio.us clone, it helped me get started as a web dev. I still write clones of it when testing new web tech. Many thanks!

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

#519
post #155

Working now at a bigco, the most impactful thing I do these days is in guiding projects away from building the first thing they think will solve a problem. People don't spend much time doing thought experiments of how changes will evolve in the future or with adjacent scopes. After thinking in that mode for a while you realize that there are concepts here that could and should be separated. A small tweak here and the…

> I'd like to make an SQL-oriented library so people don't have to settle for JPQL/Hibernate--started but not done/promoted. I'm sure I'm asking this on behalf of many people - any chance of a sneak preview?

Sure, SafeQL[0] SQL library. It's been sitting in a close but not enough to promote state for a while. The main thing I wanted was to have generation of the bindings to existing DB schema. I also want to combine using Moja[1] datatypes for uniform handling of single/multi, normal/async, and errors.

I suspect I'm mostly driven by the unknown and as I get close to practically solving a problem start to lose the curious itch.

[0] https://github.com/karmakaze/safeql

[1] https://github.com/karmakaze/moja

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

#520
For me, by far the most impactful is: The logistics planning software used by a major sports league in the US. The package I worked on allowed management to comb through a full season schedule, fine-tune a myriad of different associated weights, and push it through a specialized simulated annealing program to yield the schedule for every player, referee, etc for the season. The league went from manually producing perhaps 2 to 3 full schedules a season, then having to almost immediately scramble to handle exceptions, to producing hundreds.

Twenty years between various agencies and contract terms, I've worked countless projects, and the ones which improved business processes, where end users lives were made much easier, were the most rewarding. Conversely, most of the 'fun' projects were almost immediately obviated (I'm looking at you, Silverlight).

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