Subscribe
Sign in
Home
Notes
Chat
Data Engineering Lifecycle
SQL Optimisation
DE Interview Preparation Guide
Data Quality and Governace
Data Career Transition
data build tool (dbt) series
DevOps for Data Engineers
AI Agents for Data Engineers
Archive
Leaderboard
About
Interview Preperation
Latest
Top
Discussions
The Data Engineer’s GitHub Portfolio (2026 Edition)
If you want the interview, your GitHub must prove you can design systems, handle infrastructure, and make engineering trade-offs
Feb 24
•
Pipeline to Insights
and
Yordan Ivanov
100
2
23
How to Succeed in Data Engineering: Interviews, Careers, and Market Realities
21 Questions with Daniel Kim, Data and AI Recruiter and Founder of HeadHunted AI: What hiring managers look for, how candidates go wrong, and how to…
Dec 22, 2025
•
Erfan Hesami
and
DK
32
2
4
How to Succeed in Data Engineering Interviews
Practical advice from Yordan, Head of Data Engineering
Aug 31, 2025
•
Yordan Ivanov
and
Erfan Hesami
48
6
Week 28/31: Behavioural Interview Questions for Data Engineers
How to prepare, structure answers, and impress interviewers with real word examples.
Aug 17, 2025
•
Erfan Hesami
20
1
4
Week 27/31: Data Visualisation for Data Engineers
What Data Engineers need to know about Data Visualisation and Storytelling skills
Aug 3, 2025
•
Erfan Hesami
15
2
Week 26/31: Machine Learning for Data Engineers
How Data and ML Engineers can work together to build robust ML Systems.
Jul 19, 2025
•
Erfan Hesami
16
3
Week 26/31: Data Governance for Data Engineers
What Data Engineers need to know about data goverance
Jul 6, 2025
•
Erfan Hesami
24
2
Week 25/34: System Design for Data Engineering Interviews
What system design means for data engineers and how to prepare for interviews
Jun 30, 2025
•
Erfan Hesami
19
2
Week 24/31: DevOps and DataOps Practices for Data Engineering Interviews
Building trustworthy, observable, and resilient data systems with the right mindset, culture, and tools.
Jun 15, 2025
•
Erfan Hesami
21
3
Week 23/31: Data Contracts for Data Engineering Interviews
From theory to practice, how data contracts transform trust, ownership, and observability across the data engineering lifecycle
Jun 2, 2025
•
Erfan Hesami
18
1
Week 23/31: Real-Time Processing for Data Engineering Interviews
Understanding Real-Time Processing in Data Engineering with a hands-on implementation
May 25, 2025
•
Erfan Hesami
22
3
Week 22/34: Batch Processing for Data Engineering Interviews
Understanding Batch, Micro-Batch, and Near Real-Time Processing in Data Engineering
May 18, 2025
•
Erfan Hesami
13
4
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts