Jo Landa

Software Engineer on a journey | Broaden my horizons | Chai lover and great bouldering

[Jo Landa @701anda]

Day 100 100 🧗‍♀️+🐍What happens when you combine to passions? Frequency illusion! Do you also see that the climbing rope is a yellow-blue colored python?
#100DaysOfCode #Day52 #Python3 #CodeNewbie #pythonlearning #WomenWhoCode #100DaysOfPython #reactjs #javascript #HTML5 #CSS3

[Jo Landa @701anda]

@Funnyguy_1969 @Belastingdienst Oef

[Jo Landa @701anda]

Amsterdááám!! I am attending the largest #ReactJS conference remotely. You may get a limited free ticket (50% of talks, no workshops) and join me by clicking this badge.

#react #reactjs
#reactsummit https://t.co/5m8aH22fsj

[Jo Landa @701anda]

I am attending the largest #ReactJS conference remotely. You may get a limited free ticket (50% of talks, no workshops) and join me by clicking this badge.

#react #reactjs
https://t.co/5m8aH22fsj
#reactsummit

[Shalini Goyal @goyalshaliniuk]

Most people learn data engineering the hard way…
by drowning in jargon they’ve never heard before.

But here’s the truth no one tells you:

Data engineering isn’t hard because of the tools,
it’s hard because of the terminology.

Once you understand the words,
you finally understand the systems.
And once you understand the systems,
everything else becomes 10× easier.

Here’s a quick breakdown of what you’re learning:

1. ETL vs ELT — Know the difference.
ETL transforms before loading.
ELT loads first, transforms later.
Both shape how your pipeline performs.

2. Data Warehouse ≠ Data Lake.
One is for structured analytics.
The other stores raw, semi-structured everything.
Know which one fits your use case.

3. Real-time vs Batch - choose the right processing model.
Not every problem needs stream processing.
Sometimes batch is faster, cheaper, and simpler.

4. Schema matters more than you think.
Star schema, snowflake schema, table schema -
these decide performance long before the query runs.

5. Distributed systems are the backbone.
If your data isn't spread across nodes,
your system won’t scale.

6. Governance isn’t optional.
Catalogs, quality checks, lineage -
these protect your data, your users, and your business.

7. Partitioning & Sharding are lifesavers.
Large datasets die without them.
Small datasets don’t need them.

8. Fault Tolerance & Scalability keep systems alive.
Your pipeline should run even when things break.
Your platform should grow without manual effort.

If you’re in data engineering, analytics, AI, or backend - mastering these fundamentals will put you ahead of 90% of the industry.

Because tools change.
But foundations stay forever.

Which concept do you think every beginner should learn first?

[Jo Landa @701anda]

Just revisited 4️⃣8️⃣ of #100DaysOfPython! 🐍 While I was caught up with work, got his Christmas presents ordered automatically. 🐶🎄playing with his new ginger puppet toy! Talk about making a dog’s day! #Python #WomenInTech #SeasonsGreetings #TechLife #DogLovers #PetGifts

[Jo Landa @701anda]

Just revisited 4️⃣8️⃣ of #100DaysOfPython! 🐍 While I was caught up with work, got his Christmas presents ordered automatically. 🐶🎄playing with his new ginger puppet toy! Talk about making a dog’s day! #Python #WomenInTech #SeasonsGreetings #TechLife #DogLovers #PetGifts

[Jo Landa @701anda]

Hey Everyone! I'm attending React Day Berlin 2024 - get your free remote ticket and join me there with 5k other engineers and 45+ great speakers
https://t.co/QixZIICZac
#reactdayberlin

[Polizei München @PolizeiMuenchen]

Wir möchten darauf hinweisen, keine Bilder oder Videos von dem Einsatz zu posten oder im Netz zu teilen.

Wir haben ein Upload-Portal für Medien eingerichtet, so unterstützt ihr unsere Ermittler am besten.

https://t.co/cOCQNP1TOX

Vielen Dank.
#muc0509

[Polizei München @PolizeiMuenchen]

Der Hinweis, keine Bilder oder Videos zu posten und zu teilen, hat das Ziel, das Teilen von Falschmeldungen einzudämmen. Zudem sollen während des Einsatzes keine polizeilichen Taktiken zu sehen sein, die einem möglichen Täter helfen würden. #muc0509

[Jo Landa @701anda]

TS has given us so much support as a fam, during corona and still now, we wanted to sing to her in person...and then this happens...unreal.

[vera :) would do it again @fireproofflwt]

waking up realising it's all real, and the eras tour Vienna is actually not happening fucking hurts man, omg

[Jo Landa @701anda]

The Erastour made us discover another part of austria. Just like a mountain tour everything well prepared.. Taking photos 20:00 at the bus, everything seemed ok. Even our dog didn't smell any danger. What should be the summit of our vacation …

[vera :) would do it again @fireproofflwt]

my dumb body/internal clock woke me up at the time I was supposed to, to go queue for taylor.

[The Eras Tour @tswifterastour]

🚨| This happens once every few lifetimes! These chemicals hit me like a Wiener Schnitzel! What if I told you Sachertorte's back! Best Äpfelstrudel that I ever had! Taylor Swift's 'The Eras Tour' officially takes over Vienna, Austria in 4 days! 🎉🔥🇦🇹✨🫶🏼 #ViennaTSTheErasTour

[Jo Landa @701anda]

Bedankt CRO, voor alle muziek. Dit jaar kreeg ik geen genoeg van Glücklich. #SpotifyWrapped https://t.co/ocvg5tdiFS

[Jo Landa @701anda]

@thisiscro Hallo!!! Freuen uns m.e.g.a aufs Konzert Tüßling - aber bitte nicht wieder so einen Wolkenbruch verursachen💦🤣

[vera :) would do it again @fireproofflwt]

i’m looking for a ticket for Harry Styles in Munich today ( 18.05 ) preferably below €50

#HarryStyles #HSLOT #LoveOnTour #LoveOnTourMunich

[vera :) would do it again @fireproofflwt]

i’m looking for 2 front of stage ( fos ) ticket for Harry Styles in Munich today (18.05)

#HarryStyles #HSLOT #LoveOnTour #LoveOnTourMunich

[vera :) would do it again @fireproofflwt]

IM SEEING HARRY TODAAAYYYYY

[Jo Landa @701anda]

Almost back on the air, after my #90DaysOfDPS, Batch#18, leaving big and 'smaller' apple's' behind, which was not easy, now boarding to continue cloud computing course! #cloudcomputing #linux #AWS #React #Javascript #Node #SQL #Programming #Coding #Apple #HP