Top all-time · #3828
Building Nubank
Company blog · building.nubank.com.brprogrammingai
Building Nubank is the company blog at building.nubank.com.br, writing about programming and ai. Since 2020, 20 different Hacker News readers have linked it 23 times, most often “Nubank and Cognitect are joining forces”. It is still writing: the last post was on 2026-10-29, and you can follow it by feed.
Too few sampled comments (11) to say how often HN recommends it.?
Why HN links it
HN readers link Nubank's engineering blog for posts on the company's tech and its acquisition of Cognitect, the firm behind Clojure and Datomic. The CTO's post on that deal is the most cited.
Summarised by Claude from a sample of 11 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Make the extraordinary happen. Discover our success stories and careers at Nu. The Future is Purple!
Most-linked posts?
- Nubank and Cognitect are joining forces5 people · 7 mentions · first linked 2020-07-23
- The value of canonicity (2020)2 people · 2 mentions · first linked 2021-04-14
- Rich Hickey is retiring from Nubank2 people · 2 mentions · first linked 2023-08-04
- Clojure 15th Anniversary: A Retrospective2 people · 2 mentions · first linked 2022-10-21
What Hacker News says?
I tried the Sonos app since it looked very similar on both platforms. It's a lot smoother than my experience from a year ago. (Hard to really tell in the limited set of screens before hardware pairing.) Edit: If the signup screen in the Grab iOS app is written in Flutter I'm very impressed. I want to believe. Edit 2: Nubank: I only evaluated the sign-in screen(s), but it has enough animations at what seems like a ve…
Comment linking /scaling-with-flutter/
on “Flutter 2”Submitted We killed our end-to-end test suite as a story · 274 points
HN discussionA fun fact, one of the biggest PIX players is also the company that acquired Cognitec¹, the company behind Clojure and Datomic. Until not long ago, Rich Hickey was part of the staff². 1. https://building.nubank.com.br/pt-br/nubank-acquires-us-comp... 2. https://building.nubank.com.br/clojures-journey-at-nubank-a-...
Comment linking /clojures-journey-at-nubank-a-look-into-the-future/
on “Brazil's government-run payments system has become dominant”Submitted Clojure 15th Anniversary: A Retrospective as a story · 170 points
HN discussionPer https://building.nubank.com.br/welcoming-cognitect-nubank/ , "Nubank does not own Clojure, just as Cognitect never owned Clojure. Nubank will take over Cognitect’s role as a corporate sponsor for Clojure, funding the core development effort".
Comment linking /welcoming-cognitect-nubank/
on “Nubank acquires Cognitect”Submitted The value of canonicity (2020) as a story · 82 points
HN discussionNubank’s co-founder and CTO offers his perspective: https://building.nubank.com.br/welcoming-cognitect-nubank/
Comment linking /welcoming-cognitect-nubank/
on “Nubank acquires Cognitect”Submitted Rich Hickey is retiring from Nubank as a story · 50 points
HN discussionNubank purchased Cognitect (the consulting company behind Clojure) in 2020, as well as Platformatec (employers of Jose Valim); the latter was for access to Platformatec's project management expertise (see https://building.nubank.com.br/tech-perspectives-behind-nuba... there is no Elixir code running at Nubank AFAIK. There is Python on the "other side" of the ETL pipeline, but everything user-facing is (again AFAIK)…
Comment linking /tech-perspectives-behind-nubanks-first-acquisition-deal/);
on “Try Clojure”Submitted Cognitect, creator of Clojure and Datomic, is now part of Nubank as a story · 7 points
HN discussionEd's post when Cognitect joined Nubank is still a great read: https://building.nubank.com.br/welcoming-cognitect-nubank/
Comment linking /welcoming-cognitect-nubank/
on “Jepsen: Datomic Pro 1.0.7075”Submitted Enhancing engineering workflows with AI: a real-world experience as a story · 4 points
HN discussionhttps://building.nubank.com.br/functional-programming-with-c...
Comment linking /functional-programming-with-clojure/
on “Jepsen: Datomic Pro 1.0.7075”Submitted Clojure 15th Anniversary: A Retrospective as a story · 3 points
HN discussionLots of good questions here. https://building.nubank.com.br/welcoming-cognitect-nubank/ from Ed Wible, CTO at Nubank is a good read that answers many of them btw. Also see https://cognitect.com/blog/2020/07/23/Cognitect-Joins-Nubank . > What are the new resources (for Clojure? or just Datomic?), how are they being used? Does Nubank have opinions / direction on these resources. Since Cognitect joined Nubank, several…
Comment linking /welcoming-cognitect-nubank/
on “The Future of Clojure”Submitted The Value of Canonicity as a story · 3 points
HN discussion>I don’t "think" anything Yup, won't disagree with you on that one. >which is exactly what is stated on their website. Really? Curious to see where they say that. Let's try ddg: https://duckduckgo.com/?q=where+are+nubank+tech+hubs&t=canon... , the first result is: >Get to know Nubank’s main headquarters in Pinheiros, Sao Paulo/Brazil https://building.nubank.com.br/nubank-office-pinheiros/ Maybe their About page: >We…
Comment linking /nubank-office-pinheiros/
on “Rich Hickey is retiring from Nubank”Submitted Nubank and Cognitect are joining forces as a story · 2 points
HN discussionFWIW the original announcements in 2020: https://cognitect.com/blog/2020/07/23/Cognitect-Joins-Nubank https://news.ycombinator.com/item?id=23926407 https://building.nubank.com.br/welcoming-cognitect-nubank/ Very interesting story!
Comment linking /welcoming-cognitect-nubank/
on “(Next Rich)”Submitted How we deal with technical incidents as a story · 1 points
HN discussionNubank, largest fintech bank across Latin America uses Clojure extensively. https://building.nubank.com.br/working-with-clojure-at-nuban...
Comment linking /working-with-clojure-at-nubank/
on “Lisp – Mecrisp Stellaris Unofficial 1.0 documentation”Submitted Nubank and Cognitect: A Personal Perspective as a story · 1 points
HN discussion
