Introduction
Most ML interview preparation fails not because candidates lack intelligence or motivation, but because they lack a structured plan.
Machine learning interviews are uniquely demanding. They test a wide range of skills simultaneously: statistics, modeling, data reasoning, coding, system design, evaluation judgment, and communication. Preparing for all of this without a roadmap often leads to one of two outcomes:
- Candidates study everything superficially and master nothing
- Candidates over-optimize one area (usually coding or theory) while neglecting others
Both approaches consistently lead to rejections.
By 2026, ML interviews, especially at top tech companies, have become more integrated and judgment-driven. Interviewers are no longer impressed by isolated brilliance. They want candidates who demonstrate balanced competence, decision-making maturity, and end-to-end thinking.
That is exactly what this 30-day roadmap is designed to build.
Why a 30-Day Plan Works
Thirty days is long enough to build depth, but short enough to enforce focus.
Candidates who prepare without time constraints tend to:
- Chase advanced topics too early
- Avoid weak areas
- Postpone mock interviews
- Overestimate readiness
A fixed 30-day plan forces prioritization. It ensures that:
- Fundamentals are locked in early
- Weak spots are addressed deliberately
- Practice ramps up gradually
- Confidence is built through repetition
This plan assumes you are preparing alongside a full-time job. The daily workload is realistic, sustainable, and outcome-oriented.
What This Plan Is (and Is Not)
This roadmap is not:
- A list of random resources
- A theory-heavy curriculum
- A cram schedule
It is:
- A decision-based preparation framework
- A balance of learning, practice, and reflection
- Aligned with how ML interviews are actually evaluated
- Designed to reduce last-minute panic
The focus is not on “covering topics,” but on becoming interview-ready.
How ML Interviews Are Actually Evaluated
Before diving into the plan, it’s important to understand how interviewers score candidates.
ML interviews typically evaluate five dimensions:
- Core ML fundamentals - Can you reason about models, data, and metrics?
- Coding and implementation - Can you translate ideas into correct, clean code?
- System and project thinking - Can you design, debug, and scale ML systems?
- Evaluation and judgment - Do you choose the right metrics and tradeoffs?
- Communication and clarity - Can you explain decisions under pressure?
This roadmap explicitly maps preparation time to these dimensions, rather than guessing what might be important.
The Biggest Preparation Mistake This Plan Avoids
The most common ML interview prep mistake is front-loading complexity.
Candidates often start with:
- Advanced deep learning architectures
- Cutting-edge papers
- Exotic algorithms
Meanwhile, they leave gaps in:
- Evaluation intuition
- Error analysis
- Problem framing
- Communication
Interviewers penalize these gaps heavily.
This 30-day plan deliberately delays complexity. It builds a strong base first, then layers depth only where it improves interview outcomes.
How to Use This Roadmap
Each section of this blog corresponds to a week of preparation, with:
- Clear goals
- Daily focus areas
- What “good enough” looks like
- Common traps to avoid
You should treat this roadmap as:
- A checklist
- A pacing guide
- A confidence builder
You do not need to follow it perfectly. But deviating wildly usually hurts more than it helps.
Who This Plan Is For
This roadmap is ideal for:
- Software Engineers transitioning into ML roles
- ML Engineers preparing for FAANG / Big Tech interviews
- Data Scientists targeting applied ML roles
- Candidates who feel “busy but not confident”
If you already feel overwhelmed by ML interview prep, this plan is designed for you.
What Success Looks Like After 30 Days
At the end of this plan, you should be able to:
- Confidently explain ML concepts without memorization
- Solve coding problems calmly and methodically
- Discuss ML projects with clear decision narratives
- Choose metrics and tradeoffs thoughtfully
- Communicate uncertainty without hesitation
That is what interview readiness actually means.
Section 1: Week 1 (Days 1 - 7) - Locking Down ML Fundamentals
Week 1 is the most important week of the entire 30-day plan.
If you rush through fundamentals, everything that follows, coding rounds, system design, project discussions, and evaluation questions, becomes fragile. Strong candidates do not “review” fundamentals in Week 1. They rebuild them deliberately, with interview usage in mind.
The goal of Week 1 is not academic mastery. It is interview fluency.
By the end of Day 7, you should be able to explain core ML concepts out loud, calmly, and correctly, without searching for words or hiding behind formulas.
What Interviewers Expect You to Know Cold
Before breaking down the days, it’s important to set the bar.
By the end of Week 1, interviewers expect you to reason clearly about:
- Supervised vs. unsupervised learning
- Classification vs. regression
- Bias–variance tradeoff
- Overfitting vs. underfitting
- Common models and when to use them
- Basic evaluation metrics and failure modes
You do not need deep math derivations. You do need intuition, tradeoffs, and decision logic.
Day 1-2: Core ML Concepts (Without Memorization)
Focus areas
- What problems ML solves (and doesn’t)
- Supervised vs. unsupervised learning
- Classification vs. regression
- Common use cases
How to study
- For every concept, ask: “When would this fail?”
- Practice explaining concepts in plain language.
Interview-ready framing
Instead of:
“Supervised learning uses labeled data.”
Practice:
“Supervised learning works when labels are reliable and stable; it struggles when labels are noisy or expensive.”
That second answer signals judgment.
Day 3: Core Models and When to Use Them
Focus areas
- Linear / logistic regression
- Decision trees
- Random forests
- Gradient boosting
- k-NN (conceptually)
What interviewers care about
- Why choose one model over another
- Tradeoffs: interpretability, robustness, data size, latency
Common trap
Spending time on equations or hyperparameters.
Better use of time
Practice answering:
- “Why not use a neural network here?”
- “What would make this model fail?”
If you can answer those, you’re prepared.
Day 4: Overfitting, Underfitting, and Bias-Variance
This topic shows up everywhere in ML interviews.
Focus areas
- Bias vs. variance intuition
- How it appears in training vs. validation performance
- Why it’s not just about model complexity
Interview signal to hit
Strong candidates say:
“Bias and variance can come from data, labels, or objectives, not just models.”
If your explanation always jumps to “use a more complex model,” you’re underprepared.
Day 5: Feature Intuition (Not Feature Engineering Yet)
You are not doing deep feature engineering yet, that comes later.
Focus areas
- What makes a feature useful
- Leakage intuition
- Correlated features
- Missing data behavior
Interview framing
Instead of:
“I’d add more features.”
Practice:
“I’d verify whether current features actually encode signal before adding complexity.”
This mindset aligns closely with real interview expectations and is reinforced in Feature Engineering Interview Questions and Tips (2026).
Day 6: Evaluation Basics (Foundational Only)
You are not mastering evaluation yet, that happens in Week 2.
Focus areas
- Accuracy, precision, recall (intuition only)
- Confusion matrix reasoning
- Why metrics can mislead
Interview-ready insight
“Metrics are proxies, not truths.”
If you can explain why accuracy fails or when recall matters more, you’re on track.
Day 7: Consolidation and Verbal Practice
This is the most skipped, and most important, day.
What to do
- Re-explain every major concept out loud
- Pretend an interviewer interrupted you
- Practice concise, structured answers
Self-test
You should be able to answer:
- “Explain bias–variance in 60 seconds.”
- “When would a simple model beat a complex one?”
- “Why can accuracy be dangerous?”
If you hesitate or ramble, repeat earlier days.
What Not to Do in Week 1
Avoid these common mistakes:
- Jumping into deep learning too early
- Reading research papers
- Solving coding problems obsessively
- Memorizing formulas
- Watching passive videos without practice
Week 1 is about thinking, not consuming content.
What Success Looks Like at the End of Week 1
By Day 7, you should:
- Feel calm explaining ML basics
- Understand failure modes instinctively
- Stop hiding behind jargon
- Answer follow-up questions without panic
This foundation makes Weeks 2–4 dramatically more effective.
Section 1 Summary
Week 1 is not about learning everything. It’s about making fundamentals automatic.
Candidates who skip or rush this week often struggle later, not because topics are hard, but because their foundation is shaky.
Lock this down properly, and the rest of the roadmap becomes execution, not stress.
Section 2: Week 2 (Days 8-14) , Coding, Data, and Evaluation Mastery
If Week 1 built your conceptual foundation, Week 2 is where interviews start to feel real.
This is the week where ML interviews stop being theoretical and start testing whether you can:
- Translate ideas into working code
- Reason about messy, imperfect data
- Choose and defend evaluation metrics
- Debug models instead of guessing
Many candidates fail interviews in this phase, not because they can’t code, but because they code without thinking like ML engineers.
The goal of Week 2 is not speed. It is correctness, clarity, and judgment under constraints.
What Interviewers Expect by the End of Week 2
By Day 14, interviewers expect you to:
- Write clean, correct Python for ML problems
- Handle edge cases in data and logic
- Explain why your solution works
- Choose metrics intentionally
- Debug failures methodically
If Week 1 taught you what to think, Week 2 teaches you how to act.
Day 8-9: ML Coding Fundamentals (Without LeetCode Obsession)
Focus areas
- Arrays, dictionaries, loops, conditionals
- Writing functions cleanly
- Handling nulls, edge cases, and constraints
ML interview coding ≠ LeetCode grinding
Interviewers rarely care about exotic algorithms. They care whether you:
- Clarify inputs and outputs
- Handle edge cases gracefully
- Explain your logic clearly
- Avoid brittle assumptions
Practice prompts
- Compute precision/recall from raw predictions
- Normalize features safely
- Implement train/validation splits
- Aggregate statistics from logs
Interview signal to hit
“I’ll first clarify assumptions and constraints before coding.”
That sentence alone scores points.
Day 10: Data Manipulation & Sanity Checks
Most ML interview failures involve data, not models.
Focus areas
- Data leakage intuition
- Label noise
- Missing values
- Outliers and skewed distributions
What interviewers expect
- You question data before trusting it
- You sanity-check distributions
- You reason about what data means, not just its shape
Strong candidates say:
“Before modeling, I’d verify label quality and feature leakage.”
Weak candidates jump straight to training.
Day 11: Evaluation Metrics (Depth, Not Breadth)
This is where many candidates realize they don’t actually understand evaluation.
Focus areas
- Accuracy, precision, recall (deep intuition)
- ROC vs. PR curves
- Threshold selection
- Error tradeoffs
Critical interview insight
“Metrics are proxies, not objectives.”
Practice explaining:
- When accuracy lies
- Why ROC can mislead in imbalanced data
- How thresholds change behavior
This connects directly to expectations discussed in Model Evaluation Interview Questions: Accuracy, Bias–Variance, ROC/PR, and More, where evaluation judgment consistently separates offers from rejections.
Day 12: Error Analysis & Debugging Mindset
Interviewers love asking:
“Your model performance dropped, what do you do?”
Focus areas
- Confusion matrix reasoning
- Segmenting errors
- Prioritizing fixes
- Avoiding blind retraining
Strong candidates respond:
“I’d identify which errors are most costly, then inspect those segments first.”
Weak candidates say:
“I’d try a different model.”
Day 13: End-to-End Mini ML Exercise
This day ties everything together.
Do one small end-to-end exercise
- Given a dataset or problem statement:
- Clarify the objective
- Propose a baseline
- Choose metrics
- Identify risks
- Describe next steps
You don’t need to code everything, reasoning matters more.
Pretend an interviewer interrupts you mid-explanation. Can you adapt?
Day 14: Mock Interview Simulation (Solo or Partnered)
This is non-negotiable.
What to do
- Simulate a 45–60 minute ML interview
- Time yourself
- Speak answers out loud
- Notice where you hesitate
Common realizations
- Answers are longer than expected
- Explanations lack structure
- Metrics are mentioned without justification
That’s the point. Fix it now, not in a real interview.
What Not to Do in Week 2
Avoid these traps:
- Chasing speed over clarity
- Memorizing code patterns
- Ignoring edge cases
- Treating evaluation as an afterthought
- Avoiding mock interviews
Interviewers value thinking, not flash.
What Success Looks Like at the End of Week 2
By Day 14, you should:
- Code calmly under pressure
- Catch basic mistakes instinctively
- Explain metric choices confidently
- Debug without panicking
- Feel improvement, not exhaustion
If Week 1 gave you confidence, Week 2 gives you credibility.
Section 2 Summary
Week 2 transforms ML knowledge into interview-ready execution.
Candidates who skip this phase often say:
“I knew the answer, I just couldn’t explain it.”
Week 2 ensures that doesn’t happen.
Section 3: Week 3 (Days 15-21) , ML System Design, Projects, and Real-World Thinking
Week 3 is where ML interviews stop testing skills and start testing judgment.
Up to this point, you’ve built fundamentals (Week 1) and execution ability (Week 2). In Week 3, interviewers want to know something deeper:
Can this person design, reason about, and own an ML system in the real world?
This is where many strong candidates stall. They can answer questions correctly, but struggle when asked to design, scope, or explain decisions end-to-end.
Week 3 is about fixing that gap.
What Interviewers Expect by the End of Week 3
By Day 21, interviewers expect you to:
- Design an ML system from problem statement to deployment
- Explain tradeoffs clearly (latency, cost, accuracy, reliability)
- Discuss real-world ML projects with ownership and reflection
- Anticipate failure modes before being prompted
- Communicate uncertainty without sounding unsure
If Week 2 gave you credibility, Week 3 gives you trust.
Day 15-16: ML System Design Fundamentals
ML system design interviews are not architecture quizzes.
Interviewers are evaluating:
- How you frame ambiguous problems
- Whether you choose the right ML approach
- How you think about data, training, serving, and monitoring
- Whether you understand operational constraints
Core components you must be fluent in
- Data ingestion and validation
- Feature generation (offline vs. online)
- Model training and retraining cadence
- Inference (batch vs. real-time)
- Monitoring and feedback loops
Strong interview framing
“Before designing the model, I’d clarify latency, scale, and error cost.”
Weak framing:
“I’d use X model and deploy it with Y framework.”
Interviewers reward problem-first design, not tool-first answers.
Day 17: Metrics, Monitoring, and Failure Modes
This is where many candidates reveal inexperience.
Interviewers ask:
- “How do you know the model is working in production?”
- “What would you monitor?”
- “What could go wrong?”
Focus areas
- Offline vs. online metrics
- Data drift vs. concept drift
- Alerting vs. dashboards
- Silent failure modes
Strong candidates say:
“I’d monitor both prediction quality and data integrity, because models often fail due to input changes, not model degradation.”
This mindset aligns closely with expectations discussed in ML System Design Interview: Crack the Code with InterviewNode, where monitoring depth often distinguishes senior candidates.
Day 18: End-to-End ML Project Walkthroughs
This is one of the highest-leverage interview areas.
Interviewers ask:
“Walk me through an ML project you worked on.”
They are not asking for a résumé recap. They are evaluating:
- Problem framing
- Decision-making
- Tradeoffs
- Evaluation rigor
- Learning and reflection
Your project explanation must cover
- Why the problem mattered
- Constraints you faced
- Decisions you made (and rejected)
- How you evaluated success
- What failed
- What you’d improve
If your explanation jumps straight to models, you’re leaving points on the table.
Day 19: Tradeoffs, Constraints, and “What If” Questions
Interviewers frequently push with:
- “What if latency doubled?”
- “What if data volume dropped?”
- “What if false positives increased?”
These are not trick questions. They test:
- Flexibility
- Risk awareness
- Decision prioritization
Strong candidates respond:
“Given that constraint, I’d trade accuracy for stability and monitor closely.”
Weak candidates try to preserve “optimal” solutions at all costs.
Day 20: Senior Signals , Ownership and Judgment
At mid-to-senior levels, interviewers listen for:
- Ownership language (“I decided”, “I owned”)
- Clear boundaries (“I collaborated with X, but I owned Y”)
- Learning from failure
- Comfort with uncertainty
Avoid:
- Blaming data or other teams
- Overclaiming solo ownership
- Saying “everything worked fine”
Strong candidates reflect:
“This approach worked initially, but broke under scale. I’d redesign it differently today.”
That sentence alone signals growth.
Day 21: Full ML System Mock Interview
This is the hardest, and most important, day of the week.
Simulate a real interview
- One system design question
- One project deep dive
- One evaluation/debugging scenario
What to watch for
- Do you structure answers clearly?
- Do you pause to clarify assumptions?
- Do you jump to models too quickly?
- Do you acknowledge tradeoffs?
Record yourself if possible. The gaps will be obvious, and fixable.
What Not to Do in Week 3
Avoid these common mistakes:
- Memorizing system design templates
- Overusing buzzwords (MLOps, pipelines, agents)
- Designing before clarifying the problem
- Treating projects as success stories only
- Avoiding discussion of failure
Interviewers are allergic to polish without substance.
What Success Looks Like at the End of Week 3
By Day 21, you should:
- Feel comfortable with ambiguity
- Explain ML systems end-to-end
- Speak confidently about tradeoffs
- Own your project decisions
- Anticipate follow-up questions naturally
This is where many candidates become offer-ready.
Section 3 Summary
Week 3 is the inflection point.
Candidates who master this week:
- Stop sounding like students
- Start sounding like ML engineers
- Inspire interviewer confidence
Without Week 3, interviews feel unpredictable. With it, they start to feel familiar.
Section 4: Week 4 (Days 22-30) , Mock Interviews, Company Focus, and Offer Readiness
Week 4 is not about learning more.
It is about performing better with what you already know.
By this stage, most ML candidates technically know enough to pass interviews. The difference between rejection and offer now comes down to:
- How you communicate under pressure
- How consistently you apply judgment
- How well you adapt to interviewer signals
- How calmly you recover from mistakes
Week 4 is where preparation shifts from content acquisition to execution reliability.
What Interviewers Expect by the Final Week
By Day 30, interviewers expect you to:
- Answer without rushing or rambling
- Structure responses instinctively
- Handle follow-up questions without defensiveness
- Recover smoothly from mistakes
- Demonstrate readiness for their environment, not a generic role
This is why Week 4 focuses on mock interviews, company calibration, and mental readiness.
Day 22-23: Full-Length Mock Interviews (Non-Negotiable)
If you do only one thing this week, do this.
What to simulate
- One ML fundamentals round
- One ML coding / data reasoning round
- One ML system design or project deep dive
Each mock should be:
- 45–60 minutes
- Timed
- Spoken out loud
- Structured like a real interview
What to listen for
- Do you jump into answers too quickly?
- Do you clarify assumptions?
- Do you explain why, not just what?
- Do you recover cleanly when corrected?
Candidates often discover that their knowledge is fine, their delivery is not.
Day 24: Company-Specific Calibration (Without Overfitting)
This is where many candidates go wrong.
They either:
- Over-generalize (“All ML interviews are the same”), or
- Over-specialize (“I’ll memorize everything about Company X”)
You need calibration, not memorization.
Focus areas
- Company’s ML maturity (research vs. applied)
- Business domain (ads, recommendations, infra, safety)
- Interview emphasis (coding-heavy vs. system-heavy)
For example:
- Product-driven companies emphasize evaluation and impact
- Infra-driven teams emphasize reliability and scalability
- Research-heavy teams probe assumptions and rigor
This calibration approach aligns with patterns discussed in How Recruiters Evaluate ML Engineers: Insights from the Other Side of the Table, where mismatch, not lack of skill, is a common rejection reason.
Day 25: Refine Your Project Narratives
By now, you should have:
- 2–3 core ML projects
- A clear explanation framework
- Identified weak spots
Now refine, not rewrite.
What to tighten
- Openings (problem + stakes)
- Decision explanations
- Failure discussion
- Reflection and learning
Your goal:
Answer “Tell me about a project” confidently in under 2 minutes, then go deeper only if asked.
This signals control.
Day 26: Stress-Test Weak Areas
Every candidate has weak areas:
- Metrics
- Coding speed
- System design
- Communication
Do targeted stress testing, not broad review.
Examples:
- Explain ROC vs. PR under time pressure
- Debug a confusion matrix aloud
- Design a system with aggressive constraints
- Recover mid-answer after interruption
Interviewers are not looking for perfection. They are looking for stability.
Day 27: Interview-Day Execution Strategy
This day is about logistics and mindset.
Prepare
- Opening self-introduction (30-45 seconds)
- Clarifying-question habits
- Whiteboard / coding setup
- Note-taking strategy
Practice
- Asking for clarification without sounding unsure
- Saying “I don’t know, but here’s how I’d reason about it”
- Pausing before answering
These behaviors are often more impactful than technical depth.
Day 28: Light Review + Confidence Reinforcement
Do not cram.
Instead:
- Review summaries
- Revisit notes on common mistakes
- Rehearse calm explanations
- Visualize successful interviews
Strong candidates enter interviews composed, not overloaded.
Day 29-30: Interview Window or Final Mock
If interviews are scheduled:
- Do light warm-ups only
- Avoid heavy studying
- Prioritize sleep and focus
If not:
- Do one final full mock
- Identify any remaining friction
- Stop preparing 24 hours before interviews
Confidence compounds when you stop over-preparing.
What Not to Do in Week 4
Avoid:
- Learning new frameworks
- Reading new research papers
- Changing project choices
- Overfitting to one company
- Studying until exhaustion
None of these improve outcomes this late.
What Offer-Ready Candidates Look Like
By Day 30, offer-ready candidates:
- Sound calm, not rushed
- Explain tradeoffs naturally
- Ask good clarifying questions
- Admit uncertainty without panic
- Recover smoothly from mistakes
Interviewers leave the room thinking:
“I can see this person working here.”
That is the goal.
Section 4 Summary
Week 4 is about consistency under pressure.
Candidates who succeed:
- Stop chasing perfection
- Focus on clarity and judgment
- Practice realistic interviews
- Trust their preparation
This is the week where preparation turns into offers.
Conclusion
Preparing for ML interviews is not about learning more, it is about learning in the right order, with the right intent.
Most candidates fail ML interviews not because they lack intelligence, experience, or effort, but because their preparation is unstructured. They jump between topics, over-index on theory or coding, postpone mock interviews, and hope that “knowing enough” will translate into offers.
It rarely does.
This 30-day roadmap is designed to fix exactly that problem.
Across the four weeks, the plan deliberately mirrors how ML interviews are evaluated in practice:
- Week 1 builds conceptual fluency, not memorization
- Week 2 converts knowledge into executable skill
- Week 3 develops system-level judgment and ownership
- Week 4 turns preparation into consistent interview performance
Each phase compounds the previous one. Skipping or rushing any week introduces fragility that shows up under interview pressure, often when it’s too late to fix.
A critical theme throughout this plan is restraint. Strong ML candidates do not chase every advanced topic. They prioritize fundamentals, evaluation judgment, communication, and recovery. Interviewers trust candidates who know when not to optimize.
Another important insight is that ML interviews are not adversarial. They are simulations. Interviewers are asking themselves:
Would I trust this person to make ML decisions when the data is messy, the metric is unclear, and the consequences matter?
Your preparation must answer that question clearly.
If you follow this roadmap with discipline, not perfection, you will notice a shift. Interviews start to feel predictable. Questions stop feeling random. You begin to recognize patterns, anticipate follow-ups, and recover calmly when answers are imperfect.
That is what interview readiness actually looks like.
This roadmap aligns closely with broader preparation frameworks such as The Complete ML Interview Prep Checklist (2026), where candidates who prepare systematically, not exhaustively, consistently outperform those who prepare reactively.
At the end of 30 days, your goal is not to know everything. Your goal is to sound like someone who belongs in the room.
If you achieve that, offers follow.
Frequently Asked Questions (FAQs)
1. Is 30 days really enough to prepare for ML interviews?
Yes, if your preparation is structured and focused. Most candidates waste time on low-impact study rather than fundamentals and execution.
2. How many hours per day does this plan require?
On average, 1.5–3 hours per day. The plan is designed to work alongside a full-time job.
3. Should I skip Week 1 if I already know ML basics?
No. Week 1 is about fluency and articulation, not knowledge. Even experienced candidates benefit from rebuilding fundamentals deliberately.
4. When should I start mock interviews?
By the end of Week 2 at the latest. Waiting until Week 4 is one of the most common preparation mistakes.
5. How many projects should I prepare to discuss?
Two to three projects deeply. Depth of reasoning matters more than the number of projects.
6. Do I need to study deep learning in detail for this plan?
Only if the role requires it. Most ML interviews prioritize evaluation, judgment, and system thinking over architecture depth.
7. How much coding practice is enough?
Enough to write clean, correct code calmly while explaining your reasoning. Speed matters less than clarity and correctness.
8. What if I fall behind on the schedule?
Do not try to “catch up” by cramming. Resume from the current day and preserve the structure.
9. Should I customize this plan for specific companies?
Yes, but only in Week 4. Over-customizing early often leads to overfitting and burnout.
10. How do I know if I’m interview-ready?
If you can explain decisions clearly, recover from mistakes, and stay calm under follow-ups, you’re ready, even if you don’t know everything.
11. Is it okay to say “I don’t know” in interviews?
Yes, if you follow it with structured reasoning. Interviewers penalize bluffing more than uncertainty.
12. What’s the biggest mistake candidates make in the final week?
Trying to learn new material instead of improving delivery and confidence.
13. How important are ML system design interviews?
Very important for mid-to-senior roles. They test judgment, ownership, and real-world thinking.
14. Should I use this plan for Data Scientist roles as well?
Yes. The emphasis on evaluation, communication, and projects applies strongly to DS interviews too.
15. What if I don’t get an offer after 30 days?
Use feedback to iterate. This plan builds a foundation you can reuse and refine, not a one-time attempt.