Hipmunk for the iPhone - here's how we built it
In this technical retrospective (2011), @kn0thing shares practical architectural lessons learned from running, scaling, or migrating production software under lean constraints.
Core Principles for Independent Builders:
Defaulting to simpler architectures (such as monolithic frameworks, SQLite, or managed VPS) prevents early engineering bankruptcy.
Evaluating true compute and egress costs reveals that high cloud bills can often be slashed by 80%+ through judicious re-platforming.
Code you write at 2 AM as a solo engineer must be easy to debug six months later without complex microservice dependencies.
Community Debate Themes:
HN engineers debated the tradeoffs between cloud convenience and raw server economics, database indexing strategies, and resisting premature architectural complexity.
CATEGORY Frugal Engineering →
HISTORICAL ERA Web 2.0 Genesis (2007–2013)
COMMUNITY SCORE ★ 173 points
TOTAL DISCUSSIONS 35 comments
``` From a UX perspective, I’m really pleased with how the pinchable, stretchable, draggable time bars came out in the application. They feel really good to use. But from a development perspective, this is some of the stupidest, craziest code I’ve ever written in my life. Don’t ask me how I did it because it did it entirely the wrong way. Maybe I'll share once I figure out the non-stupid approach.
``` But this is perhaps the most interesting part of the app that you should talk about. I'm okay with seeing the stupid implementation :)
It's refreshing to see this level of humility from a developer and a cool startup. No one knows everything, and realizing that is the first step to allowing yourself to learn.
Kudos on a sweet app! I'm looking forward to seeing what you guys build next!
Oh, and thanks for sharing! If everyone was more open about the tools they use, I think apps would be a lot better in general.
Danilo: How did you pitch them? Or did they pitch you?
You have mad design skills (Opacity does rock) for a coder. Dangerous!
Kudos to the Hipmunk team !! The fact that a talented young developer sought them out with his vision of a product for them as opposed to the safe/usual choices like facebook/Google etc. , speaks volumes for the excitement they have created around their venture.
I just booked a trip to Key West, FL recently. I used KAYAK and throughout the entire process, I was thinking, there must be a better way. What took me nearly two hours a few weeks ago, would have taken me mere minutes on this site. I will not forget this site.