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Mambu (https://mambu.com) | Engineering Managers, Software Engineers (Java) | Full-time | Remote (Netherlands, Romania, Lithuania)

We're Mambu, a SaaS company providing the core banking engine for modern financial institutions. Our platform is cloud-native and helps banks, fintechs, and lenders run their business efficiently.

We're looking for Engineering Managers and Software Engineers, preferably with experience in Java and MySQL, and ideally with a background in financial services or large-scale systems. The roles can be upgraded to Senior for the candidates with the right skills and experience. Our stack is fully in the cloud, and we're remote-first but we also have offices where you can come work every day if you'd like. You'll collaborate with smart, driven people and help build robust systems as we continue to scale. We have a writing and document-based culture. We value accountability, customer obsession, and embracing challenges.

Tech stack: Java, MySQL, AWS/GCP/Azure

Location: Remote, but you must be based in Netherlands, Romania, or Lithuania. No relocation provided, and no work visa sponsorships provided.

Interview process: Coding interview, system design interview, company culture interview

Competitive compensation tailored to your location.

No agencies and no contractors.

Apply here (tell the recruiter you found this through Hacker News):

https://careers-mambu.icims.com/jobs/2856/manager%2c-enginee...

https://careers-mambu.icims.com/jobs/2875/software-engineer/...


Thanks for this, I applied!

The work that you're saying you do daily from 7am-1pm, do you feel satisfied about it at the end of the day? Does it create meaning for you on the grander scheme of things? (based on what your personal values are, and you personally find meaningful)

If not, then it's probably time to switch employer, to one that has a product/mission that is aligned with a topic/field that would bring more meaning into your life.

If that's not possible, you could try spending one less hour per day on that job you have, and invest that hour in something that creates meaning in your own terms.


Yes, this looks like a typo in the article. It should be smallest to largest.


For structure and content, start by copying stories you like. Take well-respected short stories, even fairytales, and think what make the stories interesting to you. Then work with these elements to build your own short stories.

For verbal delivery, go find some highly-rated audiobooks for kids, and pay attention to how are the narrators using their voice to tell the story. Then, same as with what I said above, take elements that you think work and that you like, and incorporate them into your own style.

Finally, you need to practice a lot, and try new things as you discover them. Once in a take, sit down and take notes on paper or in a file of what has worked and you should keep doing, and what hasn't worked and you want to improve or stop. Rinse and repeat.



+1

Also, train ride videos, for example this one in Switzerland: https://www.youtube.com/watch?v=Mw9qiV7XlFs


Yeah train ride videos are amazing. I cannot put my finger on why though. I guess because it is mellow, chill, and open-ended. Plus you get to see all of this terrain and the changes to it in an easy to process way, on a time scale. Trains are a lot more comfortable to be on, or even watch, than airplanes, although airplanes often get you from point A to B faster.

I also like going on “walks” on VR, on Google Earth VR, especially via Google Street View. I like going to my old stomping grounds but I also like seeing new places. I also have used it to scope out new neighborhoods when moving, which is extremely useful.


You might enjoy Tiny Rails for Android then ;)


Thank you so much! :-)

It looks awesome and I am about to try it out!


It's interesting how much art direction there is involved in a relatively simple video (train driving from A to B), and for example rmoriz's cycle videos. What is the field of view, how high is the camera? How is sound recorded? Do you cut when the train is stopped on station (or bike in traffic lights), do you fast forward or just show the stop in real time?

As a viewer I'd want there to be zero cuts: If your video puts me on a train I want to experience the whole train journey. Some train videos record audio from the train cars, maybe to avoid recording radio traffic in the engine but this also makes the experience somehow worse.


That's an excellent channel for train ride videos. Mind you I would love it even more if they did one with a 360 degree camera at the front of the train!


Can you provide two examples of situations or conversations in which you found it hard to trust someone's words?

And if possible for each example, specify what made you mistrust them, and what would have made you trust them.

On the opposite side of the spectrum, do you have two examples of situations in which it was easy for you to trust someone's words? What made you trust them?


If I'm on the go on my phone and there's a cool idea in the podcast I'm listening, then I take a screenshot of my locked screen as it shows my audio player (with the button shortcuts). And then later on I go back to those screenshots and I know which podcasts and which moments had important ideas.

If I'm doing active listening, i.e. listening to a podcast or watching a talk and actively taking notes, then I use https://sidenote.me

For example: https://sidenote.me/note/0gcKho/nailing-your-first-launch-ad...


Q&A with a person who does not have an internal monologue

https://www.youtube.com/watch?v=u69YSh-cFXY


The biggest threat to DigitalOcean is that AWS, Google, and Microsoft are all going vertical by designing and manufacturing their own chips. Over times they'll be able to get hardware for cheaper, and also more specialized hardware that uses less power.

DigitalOcean will have to buy CPUs from Intel or Nvidia/ARM at a higher cost, and eventually maybe even from AWS or Microsoft, essentially giving money to their competition.

If DigitalOcean doesn't get into semiconductors quickly, the only two logical outcomes are to either go bust, or to be acquired by a major cloud provider as a low-cost branch, like airlines do.


I think there's a lot of doubt whether, in the long run, doing your own hardware makes sense for a cloud provider.

If you work yourself into a performance dead-end, you can spend billions and end up with a chip that isn't particularly competitive. Whereas if your supplier does that, you can switch suppliers.

You could spend $X billion, end up with a chip that isn't particularly competitive and just have to eat those billions.

You bring up airlines... airlines don't build their own airplanes.


Copying a reply [1] I did on HN some time ago. Which should add some perspective on the point being discussed.

AWS are estimated to be ~50% of HyperScalers.

HyperScalers are estimated to be 50% of Server and Cloud Business.

HyperScalers are expanding at a rate faster than other market.

HyperScaler expanding trend are not projected to be slowing down anytime soon.

AWS intends to have all of their own workload and SaaS product running on Graviton / ARM. ( While still providing x86 services to those who needs it )

Google and Microsoft are already gearing up their own ARM offering. Partly confirmed by Marvell's exit of ARM Server.

>The problem is single core Arm performance outside of Apple chips isn’t there.

Cloud computing charges per vCPU. On all current x86 instances, that is one hyper-thread. On AWS Graviton, vCPU = Actual CPU Core. There are plenty of workloads, and large customers like Twitter and Pinterest has tested and shown AWS Graviton 2 vCPU perform better than x86. All while being 30% cheaper. At the end of the day, it is workload / dollars that matters on Cloud computing. And right now in lots of applications Graviton 2 are winning, and in some cases by large margin.

If AWS sell 50% of their services with ARM in 5 years time, that is 25% of Cloud Business Alone. Since it offer a huge competitive advantage Google and Microsoft has no other choice but to join the race. And then there will be enough of a market force for Qualcomm, or may be Marvell to Fab a commodity ARM Server part for the rest of the market. Which is why I was extremely worried about Intel. (Half of) The lucrative Server market is basically gone. ( And I haven't factored in AMD yet ) 5 years in Tech hardware is basically 1-2 cycles. And there is nothing on Intel's roadmap that shown they have the chance to compete apart from marketing and sales tactics. Which still goes a long way if I have to be honest, but not sustainable in long term. It is more of a delaying tactics. Along with a CEO that despite trying very hard, had no experience in market and product business. Luckily that is about to change. Evaluating ARM switch takes time, Software preparation takes time, and more importantly, getting wafer from TSMC takes time as demand from all market are exceeding expectations. But all of them are already in motion, and if these are the kind of response you get from Graviton 2, imagine Graviton 3.

[1] https://news.ycombinator.com/item?id=25808856


All the cloud providers also USE their huge infrastructure for other purposes as well. So when they do hit, it has a big effect.

make a chip 2% more efficient in your public cloud AND your private cloud, that is also generating money? You've got BIG savings.


Although the difference with airlines is nobody is pooling the wealth of the world into airlines, investors think tech is going to take over everything. Your cloud providers are being valued like they are going to either run the world at some point or get some compensation for being dismantled by international policy. And when your investors think this way, and you make as much money as these companies do, you might as well make your own chips.


Plus you have to provide most, or maybe all, of the support for software. Not just making compilers and related dev tools, but also building and testing of pre-compiled binaries for popular OSS.

That's fine for a few major pieces of OSS, and for internal, cloud-only software (Redshift, BigQuery), but I don't think that concept scales well, or is particularly quick to adapt to market shifts.


Also, to pile on, for any company that runs a real sales process, Redshift and BigQuery are losing to Snowflake. So the argument for custom chips doesn't seem that compelling.


> You bring up airlines... airlines don't build their own airplanes.

Some of them refurbish and operate their own engines (by far the most complex part of the airplane) instead of going to GE or Rolls Royce.

Delta actually operates their own oil refinery.

So airlines are in fact a good analogy.


It might be the megacorporate equivalent of "strategic assets" for nation-states. Keep a chip division going and spun up, if only to have a core competency as a backstop.


> the only two logical outcomes are to either go bust, or to be acquired by a major cloud provider

Or acquired by a chip maker, like Intel.


> the only two logical outcomes are to either go bust, or to be acquired by a major cloud provider

Or just continue to build a profitable, cash flow positive business that continues to grow for years and years to come. Business outcomes are often not binary.


Interesting theory, maybe DO should partner with Apple.


Assuming that Apple want to sell their chip to you. And that’s almost certainly a no.


> AWS, Google, and Microsoft are all going vertical by designing and manufacturing their own chips

What are the GCP and Azure equivalents of AWS Nitro?


For GCP, it depends. GCP doesn't have a Nitro competitor, but they offer Tensor Processing Units (TPUs). TPUs are more of a competitor to nVidia chips, but they are still custom silicon in the sense of the GP comment.

GCP, AWS, and Azure seem to all be diverging in their specialization. GCP is focusing more on AI/ML/Big Data offerings while AWS is more security-aware, and Azure is more hybrid-cloud focused.


GCP feels the most R&Dish, with the K8s and ML innovations. AWS seems to just be pushing on every front very well. Azure feels as though it's catching up, but a bit more sales led/engineering later than the others.


Here is an article about Azure at least: https://www.theverge.com/2020/12/18/22189450/microsoft-arm-p...

“Because silicon is a foundational building block for technology, we’re continuing to invest in our own capabilities in areas like design, manufacturing and tools, while also fostering and strengthening partnerships with a wide range of chip providers,” says Microsoft’s communications chief Frank Shaw.


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