KOMAL👩‍💻 (@KomalWCode) header
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Data Engineer @PwC 🇩🇪 Building in public 👩‍💻 SQL • Python • AWS • Data Engineering Experiments, lessons, interview prep & tech thoughts

Joined July 2026
Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)Photo by KOMAL👩‍💻 (@KomalWCode)
As a Data Engineer in Germany 🇩🇪 one thing I learned: companies care more about what you can BUILD than what you can list on a CV. If you’re serious about Data Engineering, build these 5 projects: Batch ETL Pipeline Real-time Kafka Pipeline Spark Data Processing Project Cloud Data Warehouse End-to-end Analytics Pipeline 5 strong projects > 50 certificates.
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KOMAL👩‍💻 retweeted
It doesn’t matter if you’re rich, broke, young, or old… …because by 11 PM everyone’s just a tired parent looking for the TV remote.
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😂😂😂🫡
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Replying to @DeyRitoja
Wispr Flow🤌🏻
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Happy Diwali 🪔❤️❤️❤️☘️
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Which attack attempts to insert malicious SQL into an application's database query? A) DDoS B) SQL Injection C) CSRF D) DNS Spoofing
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RAMAYANA – MOVIE REVIEW ⭐⭐⭐⭐½ A visually spectacular retelling of an epic story. The emotional depth of Ram and Sita’s separation, Hanuman’s devotion, and the intense confrontation with Ravana make this an unforgettable cinematic experience. The battle sequences are breathtaking, the background score gives goosebumps, and the climax delivers a powerful emotional impact. Verdict: 4.5/5 — A grand cinematic experience. #RamayanaMovie
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Which protocol provides reliable, ordered data delivery? A) UDP B) TCP C) ICMP D) ARP
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My definition of a successful life has changed. Earlier: Big salary + expensive things. Now: Healthy parents. Happy family. Stable income. Enough time to actually enjoy all three. Maybe success becomes simpler as we grow older.
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Interviewer: YOUR AI MODEL SCORES 99% ON RANDOM TEST SPLITS. On future data: 61%. What hidden evaluation mistake would you investigate?
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Which tech invention was pure genius?
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I never subscribed, never consented. Who gave them my email address? Is this Digital India or Digital Surveillance?
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Replying to @stejas809
Better product
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Replying to @SwaroopAdepu
Haha🤭
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Replying to @SwaroopAdepu
Obviously but still?
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A programmer writes 500 lines of code. AI generates 5,000 lines in seconds. But who will maintain those 5,000 lines after 5 years?
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KOMAL👩‍💻 retweeted
Interviewer: YOUR SQL QUERY BECAME 50X SLOWER AFTER REPLACING A CONSTANT WITH A PARAMETER. Same value. Same data. Same indexes. What could cause a completely different execution plan?
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