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Interview Formats

Understand different platform engineering interview formats and how to prepare.

Phone Screening

Technical Phone Screen

Duration: 30-60 minutes

Common Topics:

  • Linux fundamentals
  • Basic scripting
  • Cloud concepts
  • Container basics
  • CI/CD overview

Preparation Tips:

  • Have your resume ready
  • Prepare 2-3 project examples
  • Practice explaining technical concepts
  • Set up quiet environment
  • Test your phone/video setup

Coding Interviews

Live Coding

Duration: 45-90 minutes

Common Challenges:

  • Automation scripts (Python/Bash)
  • API integration
  • Data processing
  • Infrastructure provisioning
  • Log parsing

Best Practices:

  • Think aloud
  • Ask clarifying questions
  • Start with simple solution
  • Test your code
  • Handle edge cases

Take-Home Projects

Duration: 2-7 days

Typical Projects:

  • Deploy application to Kubernetes
  • Create CI/CD pipeline
  • Build monitoring solution
  • Implement infrastructure as code
  • Design microservices architecture

Evaluation Criteria:

  • Code quality
  • Documentation
  • Security considerations
  • Scalability
  • Best practices

System Design

Infrastructure Design

Duration: 60-90 minutes

Common Scenarios:

  • Design highly available web application
  • Build CI/CD for microservices
  • Create multi-region deployment
  • Implement observability platform
  • Design container orchestration

Approach:

  1. Clarify requirements
  2. Estimate scale
  3. Define architecture
  4. Address bottlenecks
  5. Discuss trade-offs

Whiteboard Sessions

Key Skills:

  • Clear communication
  • Structured thinking
  • Component interaction
  • Failure scenarios
  • Cost optimization

Technical Deep Dives

Project Discussion

Duration: 45-60 minutes

Areas of Focus:

  • Technical decisions
  • Problem-solving approach
  • Challenges overcome
  • Lessons learned
  • Impact and results

Preparation:

  • Review your projects
  • Prepare architecture diagrams
  • Quantify improvements
  • Document challenges
  • Practice storytelling

Behavioral Interviews

Leadership Principles

Common Questions:

  • Describe a time you improved a process
  • How do you handle production incidents?
  • Tell me about a difficult technical decision
  • How do you prioritize competing demands?
  • Describe your biggest failure

STAR Method:

  • Situation: Context
  • Task: Your responsibility
  • Action: What you did
  • Result: Outcome and learnings

Panel Interviews

Cross-Functional Panel

Participants:

  • Engineering managers
  • Senior engineers
  • Product managers
  • Security team
  • SRE team

Topics Covered:

  • Technical expertise
  • Collaboration skills
  • Cultural fit
  • Problem-solving
  • Communication

Virtual Interviews

Technical Setup

  • Stable internet connection
  • Good lighting and audio
  • Screen sharing ready
  • Development environment
  • Backup communication method

Best Practices

  • Test technology beforehand
  • Minimize distractions
  • Maintain eye contact
  • Use virtual backgrounds wisely
  • Have water ready

On-Site Interviews

Full Day Format

Typical Schedule:

  • 9:00 AM - Meet the team
  • 10:00 AM - Coding interview
  • 11:00 AM - System design
  • 12:00 PM - Lunch with team
  • 1:00 PM - Technical deep dive
  • 2:00 PM - Behavioral interview
  • 3:00 PM - Manager discussion
  • 4:00 PM - Q&A and wrap-up

Preparation Checklist

  • Research the company
  • Prepare questions
  • Bring copies of resume
  • Dress appropriately
  • Plan your route
  • Get good rest

Post-Interview

Follow-Up

  • Send thank you notes
  • Clarify any points
  • Provide additional information
  • Express continued interest
  • Be patient with timeline