🔹 Core Skills (Still Mandatory – Baseline Expectations)
These are no longer differentiators, but minimum requirements:
Data Structures & Algorithms (DSA)
Time–space tradeoff analysis
Problem-solving approach (not just final code)
System Design Fundamentals
Scalable architecture
Component interaction and bottleneck analysis
Debugging Skills
Identifying logical and runtime errors
Validating AI-generated code (AI often makes logic mistakes)
🔹 AI-Era Differentiator Skills (New Expectations)
These skills separate strong candidates from average ones:
Prompt Engineering
Writing effective prompts to guide AI tools
Refining prompts for better code, tests, and explanations
AI-Assisted Coding
Using AI for boilerplate code
Accelerating development without blindly trusting output
AI-Assisted Debugging
Using AI to trace errors in large codebases
Asking the right questions to AI for root-cause analysis
Error Handling & Validation
Detecting hallucinations or incorrect assumptions by AI
Verifying correctness, edge cases, and constraints
Engineering Judgment with AI
Knowing when to use AI vs when traditional coding is better
Combining human reasoning with AI suggestions effectively
🔹 Advanced System & AI Integration Skills
Increasingly tested in system design interviews:
Integrating AI into Existing Systems
Adding AI features into real-world workflows
API-based model integration
Model Lifecycle Management
Versioning models
Monitoring performance and drift
Updating or rolling back models
Trade-off Analysis for AI Systems
Cost vs performance
Reliability vs speed
Scalability vs complexity
🔹 Interview-Specific Practical Skills
Now commonly expected in interviews:
Using AI During Live Coding
Efficient collaboration with AI tools
Demonstrating reasoning, not copy-paste coding
Rapid Feature Delivery
Building or extending a feature in a short time (≈1 hour)
Managing unfamiliar codebases with AI support
🔹 Key Mindset Shift (Most Important)
AI as a Co-Engineer, Not a Crutch
AI handles repetitive tasks
Engineers focus on:
Business logic
System architecture
Decision-making
Quality assurance
🔑 One-Line Summary
In the AI era, companies expect engineers who can think deeply, design systems intelligently, and use AI tools strategically—not just code well.
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