Can candidates write and run SQL during the interview?

Candidates can write SQL in the editor and discuss query optimization. For execution, they can implement equivalent logic in Python with real output.

How do I test data pipeline design skills?

Use the whiteboard to discuss ETL architecture, data flow, batch vs streaming, and data modeling. Combine with Python coding for implementation evaluation.

What languages are relevant for data engineering interviews?

Python is the most common. We also support Java, Go, and Bash — all commonly used in data infrastructure.

Can I create custom data processing challenges?

Yes. Create challenges with custom input data and expected outputs. Test parsing, transformation, aggregation, and data quality handling.

Is CoderScreen suitable for data science interviews too?

Yes. Python execution with real output works well for data science tasks. Use the whiteboard for ML system design and the editor for implementation.

Hire Data Engineers

Assess data pipeline and processing skills with real code

CoderScreen supports Python, SQL-style logic, and system design whiteboarding to evaluate data engineers on ETL, pipeline design, and data modeling.

Why teams use CoderScreen for data engineering hiring

Python Execution

Candidates write and run Python for data transformation, parsing, and processing. Test real skills with real output.

Pipeline Design Whiteboard

Evaluate ETL architecture, data modeling, and pipeline design with collaborative diagramming. Critical for senior data roles.

Data Processing Challenges

Create challenges involving data parsing, transformation, aggregation, and validation. See how candidates handle messy data.

Multi-Language Support

Python, Java, Go, Bash, and more. Test candidates in the languages your data infrastructure actually uses.

Live Collaboration

Pair on data problems in real time. See how candidates think about data quality, edge cases, and processing efficiency.

Interview Recording

Share sessions with data team leads and stakeholders. Review how candidates approach data architecture decisions.

Features for data engineering hiring

Python & SQL-Style Logic

Run Python data processing code with real output. Test ETL logic, data transformation, and pipeline components.

System Design Whiteboard

Discuss data warehouse architecture, streaming vs batch processing, and data modeling with collaborative diagrams.

Take-Home Projects

Send async data engineering challenges. Candidates build pipeline components on their own time with full code playback.

AI Assistant

Assess how candidates use AI tools for data transformation, debugging, and pipeline optimization.

Simple, transparent pricing

Start free and scale as you grow. No hidden fees, no surprises. Choose the plan that fits your team's needs.

Basic

Perfect for individual developers and small engineering teams

Freeforever

3 Live Interviewsrenews monthly
1 Team Member
Interview PlaybackReplay interviews to review every step of a candidate's coding process
Community Support

Starter

For engineering teams ready to scale their hiring process

$50per month

20 Live Interviewsrenews monthly
5 Team Members
Interview PlaybackReplay interviews to review every step of a candidate's coding process
Advanced InterviewsMulti-file & framework support. (React, Next.js, etc.)
API AccessAccess to our API for custom integrations
Basic Support

Scale

For high-growth teams that need advanced features and integrations

$350per month

200 Live Interviewsrenews monthly
Unlimited Team Members
Interview PlaybackReplay interviews to review every step of a candidate's coding process
Advanced InterviewsMulti-file & framework support. (React, Next.js, etc.)
API AccessAccess to our API for custom integrations
ATS IntegrationsGreenhouse, Lever, Ashby, etc.
Custom Branding and DomainsEnhance your interview experience with your own branding
Dedicated Support

Enterprise

For large tech companies and enterprise engineering teams

Custom

Unlimited Live Interviewsrenews monthly
Unlimited Team Members
Interview PlaybackReplay interviews to review every step of a candidate's coding process
Advanced InterviewsMulti-file & framework support. (React, Next.js, etc.)
API AccessAccess to our API for custom integrations
ATS IntegrationsGreenhouse, Lever, Ashby, etc.
Custom Branding and DomainsEnhance your interview experience with your own branding
Single Sign-On (SSO)
Whiteglove Support

Frequently asked questions

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