KOMAL👩‍💻

Data Engineer @PwC 🇩🇪
Building with AI & sharing what actually works & Movie:series:Sport addicted
Code • Data
Follow for daily tech & AI content

[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.

[KOMAL👩‍💻 @KomalWCode]

Which skill is hardest to fake in a tech interview?

A) SQL
B) DSA
C) System Design
D) Real project experience

Pick ONE.

[KOMAL👩‍💻 @KomalWCode]

Before your behavioral interview, prepare 5 stories:

→ Biggest success
→ Biggest failure
→ Conflict
→ Leadership
→ Difficult deadline

Use:

Situation → Task → Action → Result

One good story can answer multiple questions.

[KOMAL👩‍💻 @KomalWCode]

Before your interview, research:

→ What the company builds
→ Main products
→ Customers
→ Competitors
→ Recent news
→ Company culture
→ Team/department
→ Interviewer’s background

Never enter an interview knowing only the company name.

[KOMAL👩‍💻 @KomalWCode]

Which SQL function accesses a value from the PREVIOUS row?

A) LEAD()
B) LAG()
C) RANK()
D) FIRST_VALUE()

Interview favorite. 👀

[KOMAL👩‍💻 @KomalWCode]

Before your Data Engineering interview, revise:

→ SQL — JOINs + Windows
→ Python — Data processing
→ Spark — Shuffles + Partitions
→ Kafka — Topics + Partitions
→ Airflow — DAGs + Scheduling
→ Cloud — Storage + Compute
→ Modeling — Facts + Dimensions

Save this checklist.

[KOMAL👩‍💻 @KomalWCode]

Before your interview, open the JD again.

Mark every requirement:

→ 🟢 I know it well
→ 🟡 I know the basics
→ 🔴 I don’t know it

Revise RED first.

The job description is basically your interview cheat sheet.

[KOMAL👩‍💻 @KomalWCode]

Before your Data Engineering interview, revise:

→ SQL — JOINs + Windows
→ Python — Data processing
→ Spark — Shuffles + Partitions
→ Kafka — Topics + Partitions
→ Airflow — DAGs + Scheduling
→ Cloud — Storage + Compute
→ Modeling — Facts + Dimensions

Save this checklist.

[KOMAL👩‍💻 @KomalWCode]

Before your interview, prepare for:

“What are your salary expectations?”

Don’t answer randomly.

→ Research the market range
→ Know your target salary
→ Know your minimum privately
→ Consider the full package
→ Give a reasonable range
→ Stay open to negotiation

Example:

“I’m targeting €70K–€80K, depending on the overall package.”

Know your worth before they ask.

[KOMAL👩‍💻 @KomalWCode]

@Tech_p001 @Zachly @parmardarshil07 Also @KomalWCode 😂🤭

[KOMAL👩‍💻 @KomalWCode]

Before your interview, choose ONE project and know:

→ Problem
→ Architecture
→ Tech stack
→ Your contribution
→ Biggest challenge
→ Failure you faced
→ Trade-offs you made
→ Final impact

One project explained deeply > five projects explained vaguely.

[KOMAL👩‍💻 @KomalWCode]

@techyoutbe Useful stuff

[KOMAL👩‍💻 @KomalWCode]

@venkateshdotdev For internal services..gRPC is usually a strong choice when low latency really matters.

[KOMAL👩‍💻 @KomalWCode]

@AKirtesh Original content seems to be paying off. $182 is a solid jump

[KOMAL👩‍💻 @KomalWCode]

@Hazel52389 Exactly. Small teams can now build and compete at a level that once needed huge resources.

[KOMAL👩‍💻 @KomalWCode]

@md_kasif_uddin Nano banana

[KOMAL👩‍💻 @KomalWCode]

@mikeydsoftware The skill is shifting from writing every line to understanding systems and solving the right problems.

AI can code, but developers still need to know what to build and why.

[KOMAL👩‍💻 @KomalWCode]

@Palak3312 😂😂😂😂😂😂😂

[KOMAL👩‍💻 @KomalWCode]

@mshn99i Beautiful weather

[KOMAL👩‍💻 @KomalWCode]

@Nikita26rai @grok any idea?

[KOMAL👩‍💻 @KomalWCode]

@JustMyThoug4b She looks cutieeee