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Interview preparation roadmap · Business

Entry-level PM rounds: product sense, metrics, estimation and execution, plus strong behavioral stories.

Product senseMetricsEstimation

0 / 21 complete · 14 core · 7 other · 107 subtopics

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  1. 01Interview foundations
  2. 02Product thinking
  3. 03Problem solving
  4. 04Data & tech
  5. 05Practice
  6. 06Behavioral & HR
  7. 07Company & final prep
CoreCommonly assessedGood to knowRole-dependentAdvancedFor deeper interviewsOptionalNot needed by everyoneCompletedYour progressYou are hereNext up

  1. 01Interview foundations

    What every interviewer sees first.

    1. 01.1Resume

      CoreBeginner3–5 h

      A one-page resume you can defend line by line.

      What this covers

      • One-page format — Reverse-chronological, clean fonts, no photos or tables that confuse parsers.
      • Project bullets — Action + what you built + a number (users, speed, accuracy).
      • Skills section — Only skills you can answer questions on for two minutes.
      • ATS readability — Export a text-based PDF and check it with a parser.
      • Working links — GitHub, LinkedIn and a live project link that open.
      • Tailoring — Reorder bullets to match the job description.

      What to practise

      • Run your PDF through a parser test
      • Rewrite each bullet as action + result
      • Remove any skill you can't explain for 2 minutes

      Common questions

      • Walk me through your resume.
      • Which project here are you most proud of, and why?
      • Why is this skill on your resume?

      Free resources

      • OpenResume — Free ATS-friendly resume builder and parser test (Free)
      • Jake's Resume (Overleaf) — The LaTeX resume template most SDE freshers use (Free)
      • Resume Worded — Resume and LinkedIn scoring (Free plan)
      • Jobscan — Match your resume against a job description (Free plan)

      Free courses

    2. 01.2Tell me about yourself

      CoreBeginner1–2 h

      A 60–90 second answer: present, past, why this role.

      What this covers

      • Present — Who you are now: degree, year, focus.
      • Past — One or two proof points: a project, internship or result.
      • Future — Why this role and this company next.
      • Length — 60–90 seconds; stop before you list everything.
      • Delivery — Calm pace and eye contact, not a memorised script.

      What to practise

      • Write it, then say it out loud 5 times
      • Record yourself and cut anything over 90 seconds

      Common questions

      • Tell me about yourself.
      • Why should we hire you?
      • Where do you see yourself in a few years?

      Free resources

      Free courses

    3. 01.3LinkedIn & online presence

      Good to knowBeginner2 h

      A profile that matches your resume and shows your work.

      What this covers

      • Headline — Role you want plus your strongest skill.
      • About section — Three lines: what you do, proof, what you want next.
      • Featured work — Projects, GitHub, portfolio or writing links.
      • Consistency — Dates and titles match your resume.
      • Clean public footprint — Check what a search of your name shows.

      What to practise

      • Rewrite your headline and About section
      • Ask one senior for a review of your profile

      Free resources

      • LinkedIn — Job alerts and, more importantly, referrals (Free)
      • OpenResume — Free ATS-friendly resume builder and parser test (Free)

      Free courses

  2. 02Product thinking

    The core APM rounds.

    1. 02.1Product sense

      CoreIntermediate10–15 h

      Designing and improving products for real users, the core PM round.

      What this covers

      • Users & problems — Pick a user segment and a real pain point.
      • Solutions — Several ideas, then choose with clear criteria.
      • Design a product — A structure: goal, users, needs, ideas, trade-offs, metrics.
      • Improve a product — Critique an app you use and prioritise fixes.
      • Favourite product — Why it works, and what you would change.

      What to practise

      • Answer one "design X for Y" question aloud daily
      • Write a one-page critique of an app you use

      Common questions

      • Design an app for first-time voters.
      • How would you improve Google Maps?
      • What is your favourite product and why?

      Free resources

      Free courses

    2. 02.2Product metrics

      CoreIntermediate6–10 h

      Defining success and investigating metric changes.

      What this covers

      • North-star metric — One metric that reflects value delivered.
      • Input metrics — The levers that move the north star.
      • Funnels & retention — Activation, engagement, churn.
      • Metric investigations — A structured way to debug a drop.
      • Guardrails — Metrics you must not break.

      What to practise

      • Define success metrics for five products
      • Solve three metric-drop cases aloud

      Common questions

      • How would you measure success for WhatsApp Status?
      • Weekly active users dropped 8%. What do you do?

      Free resources

      Free courses

    3. 02.3User research

      CoreIntermediate6–10 h

      Learning from users through interviews, tests and data.

      What this covers

      • Methods — Interviews, surveys, usability tests, analytics.
      • Planning — Goals, participants, scripts.
      • Interviewing — Open questions, no leading.
      • Synthesis — Affinity maps and insights.
      • Sharing findings — Short, actionable reports.

      What to practise

      • Run three usability tests on an app
      • Synthesise the findings into five insights

      Common questions

      • How would you research why users drop off at checkout?
      • How many users do you need for a usability test?

      Free resources

      Free courses

  3. 03Problem solving

    Structured thinking under time.

    1. 03.1Guesstimates & market sizing

      CoreIntermediate6–10 h

      Estimating numbers out loud with clear assumptions.

      What this covers

      • Top-down vs bottom-up — Two ways in; use one, sanity-check with the other.
      • Assumptions — State them, round sensibly, keep going.
      • Segmenting — Split by age, city, income or usage.
      • Sanity checks — Is the answer plausible?
      • Common guesstimates — Cars in a city, cups of tea sold, phone users.

      What to practise

      • Solve one guesstimate a day aloud
      • Write down assumptions before calculating

      Common questions

      • How many two-wheelers are sold in India each year?
      • Estimate the market for coaching classes in Pune.

      Free resources

      • PrepLounge — Case partners and practice cases (Free plan)
      • CaseInterview.com — Free case interview videos and frameworks (Free)
      • Exponent — Product, data and engineering interview questions and guides (Free plan)

      Free courses

    2. 03.2Prioritisation & roadmaps

      CoreIntermediate4–6 h

      Choosing what to build next and defending the choice.

      What this covers

      • Frameworks — RICE, impact vs effort, MoSCoW, and their limits.
      • Trade-offs — Short-term wins vs long-term bets.
      • Roadmaps — Themes and outcomes rather than feature lists.
      • Saying no — Explaining decisions to stakeholders.
      • Data and judgment — When numbers are missing.

      What to practise

      • Prioritise a backlog of 10 ideas and explain it
      • Turn a feature list into an outcome roadmap

      Common questions

      • You have three features and capacity for one. How do you choose?
      • How do you handle a stakeholder whose request you deprioritised?

      Free resources

      • Atlassian Agile Coach — Agile, Scrum and Kanban explained (Free)
      • Exponent — Product, data and engineering interview questions and guides (Free plan)

      Free courses

    3. 03.3Product execution

      CoreIntermediate4–8 h

      Shipping: specs, working with engineering and handling problems.

      What this covers

      • Writing specs — Problem, goals, scope, success metrics.
      • Agile delivery — Sprints, standups, backlogs.
      • Working with engineering & design — Trade-offs and clear decisions.
      • Launches — Rollouts, risks, communication.
      • When things go wrong — Delays, bugs, scope changes.

      What to practise

      • Write a one-page spec for a small feature
      • Describe a launch plan with risks

      Common questions

      • A launch is slipping by two weeks. What do you do?
      • How do you write a good product spec?

      Free resources

      Free courses

  4. 04Data & tech

    Basics that help.

    1. 04.1SQL for analytics

      Good to knowIntermediate10–15 h

      Business questions answered in SQL, from joins to window functions.

      What this covers

      • Joins & filters — Inner, left, anti-joins and their traps.
      • Aggregation — GROUP BY, HAVING, conditional sums.
      • Window functions — RANK, LAG, running totals, moving averages.
      • CTEs & subqueries — Breaking hard questions into steps.
      • Dates — Grouping by week or month, cohorts.
      • NULLs & duplicates — Handling messy data correctly.

      What to practise

      • Solve 30 interview-style SQL questions
      • Write a monthly retention query from scratch

      Common questions

      • Find the second-highest salary per department.
      • Calculate 7-day rolling average sales.
      • Difference between WHERE and HAVING?

      Free resources

      • Mode SQL tutorial — SQL for analysis, from basics to window functions (Free)
      • DataLemur — SQL and analytics interview questions (Free plan)
      • StrataScratch — Real SQL and Python data interview questions (Free plan)
      • SQLZoo — SQL by doing, in the browser (Free)

      Free courses

    2. 04.2How the web works

      Good to knowIntermediate4–6 h

      HTTP, browsers and the request lifecycle that web interviews build on.

      What this covers

      • HTTP basics — Methods, status codes, headers.
      • Cookies, sessions & tokens — How login state is kept.
      • Caching — Browser cache, CDN and cache headers.
      • CORS — Why browsers block cross-origin calls and how servers allow them.
      • REST vs GraphQL — Trade-offs at a basic level.
      • From URL to page — DNS, TCP/TLS, request, render.

      What to practise

      • Inspect one site's network tab and explain each request
      • Explain "type a URL and press Enter" in 3 minutes

      Common questions

      • What happens when you type a URL?
      • What is CORS?
      • Difference between cookies and local storage?

      Free resources

      Free courses

    3. 04.3A/B testing & experiments

      OptionalAdvanced4–8 h

      Designing and reading experiments, a frequent product and data topic.

      What this covers

      • Experiment design — Hypothesis, metric, randomisation unit.
      • Sample size & power — Why tests need enough users.
      • Reading results — Significance, confidence intervals, practical impact.
      • Pitfalls — Peeking, novelty effects, multiple tests.
      • When not to test — Ethics, small samples, network effects.

      What to practise

      • Plan a full A/B test for a button change
      • Interpret a sample experiment readout

      Common questions

      • How long would you run this test?
      • The test is significant but tiny. Would you launch?

      Free resources

  5. 05Practice

    Rehearse it out loud.

    1. 05.1Mock interviews

      CoreBeginner3–5 h

      At least two full practice interviews before the real one.

      What this covers

      • Realistic setting — Same format, time limit and dress as the real round.
      • Common questions first — Introduction, motivation, experience, weaknesses.
      • Feedback — Ask what was unclear or too long.
      • Recording — Watch yourself once; fix fillers and pace.
      • Role questions — Add 3–5 questions specific to your field.

      What to practise

      • Do two mock interviews with a friend or senior
      • Use a spoken practice tool and read the transcript

      Common questions

      • Tell me about yourself.
      • Why this role?

      Free resources

      Free courses

  6. 06Behavioral & HR

    How you work with people.

    1. 06.1Behavioral & STAR

      CoreBeginner3–4 h

      Stories about teamwork, conflict and failure, told with STAR.

      What this covers

      • STAR structure — Situation, task, action, result. Spend most of the time on action.
      • Story bank — 6–8 real stories you can reuse across questions.
      • Teamwork & conflict — Disagreeing respectfully and what you changed.
      • Failure & weakness — A real one, what you learned, what you do now.
      • Ownership — Times you took initiative without being asked.
      • Common HR questions — Why us, why you, strengths, relocation.

      What to practise

      • Write 6 stories in STAR form
      • Map each story to 2–3 common questions
      • Practise one story with a friend

      Common questions

      • Tell me about a time you failed.
      • Describe a conflict in a team and what you did.
      • What is your biggest weakness?

      Free resources

      Free courses

    2. 06.2Strengths & weaknesses

      CoreBeginner1–2 h

      Honest strengths with proof, and a real weakness you are working on.

      What this covers

      • Strengths with proof — Pick 2–3 and back each with one short example.
      • A real weakness — Not a disguised strength; something you are actively improving.
      • What you are doing about it — The habit, course or system that shows progress.
      • Fit to the role — Strengths that matter for this job, not any job.

      What to practise

      • Write three strengths with one example each
      • Practise the weakness answer until it sounds calm, not rehearsed

      Common questions

      • What are your greatest strengths?
      • What is your biggest weakness?
      • How would your friends or teammates describe you?

      Free resources

      Free courses

    3. 06.3Common HR questions

      CoreBeginner2–3 h

      The questions almost every HR round asks, answered honestly and briefly.

      What this covers

      • Why this company — Specific reasons from your research, not praise.
      • Why should we hire you — Match two needs of the role to your proof.
      • Gaps and changes — Explain gaps, backlogs or a branch change without excuses.
      • Relocation, shifts, bonds — Know your real answer before the interview.
      • Career goals — A realistic next step, connected to this role.
      • Notice period and joining — Facts you should have ready.

      What to practise

      • Write short answers to ten common HR questions
      • Say them aloud to a friend and cut anything over a minute

      Common questions

      • Why do you want to join us?
      • Where do you see yourself in five years?
      • Are you open to relocation?
      • Why did you choose your branch or degree?

      Free resources

      Free courses

  7. 07Company & final prep

    The last 48 hours.

    1. 07.1Company research

      CoreBeginner1–2 h

      The product, the role, the job description and recent news.

      What this covers

      • The business — What it sells and to whom.
      • The role — What the job description really asks for.
      • Recent news — Launches, results, announcements.
      • Interview format — The rounds, if the company shares them.
      • Your fit — Three reasons, matched to the job description.

      What to practise

      • Write 3 reasons you want this role
      • Match 3 JD lines to your experience

      Common questions

      • Why do you want to work here?
      • What do you know about our product?

      Free resources

    2. 07.2Questions to ask

      Good to knowBeginner30 min

      Two or three good questions for the end of the interview.

      What this covers

      • About the team — How work is planned and reviewed.
      • About growth — Mentoring, learning, the first 90 days.
      • About the product — What is hard right now.
      • What to avoid — Questions a quick search answers.

      What to practise

      • Write 5 questions, keep the best 3
      • Prepare one question about the team's own product

      Common questions

      • Do you have any questions for us?

      Free resources

    3. 07.3Salary & offer basics

      Good to knowBeginner1–2 h

      How to read an offer, answer salary questions and compare offers.

      What this covers

      • CTC vs in-hand — CTC includes PF, bonuses and benefits; in-hand is what you receive monthly.
      • Fixed vs variable — Variable pay and joining bonuses may have conditions.
      • Bonds and clawbacks — Read the service agreement before you sign.
      • Answering "expected salary" — Give a researched range or ask for theirs first.
      • Comparing offers — Role, learning, location and in-hand pay, not only CTC.

      What to practise

      • Look up salary ranges for the role and city
      • Calculate in-hand pay for one sample offer

      Common questions

      • What are your salary expectations?
      • Do you have any other offers?

      Free resources

    4. 07.4Final checklist

      CoreBeginner30 min

      Logistics, documents, setup and a calm night before.

      What this covers

      • Logistics — Time, timezone, link or address.
      • Documents — Resume copies, ID, certificates if asked.
      • Tech check — Camera, mic, internet, charger.
      • Night before — Sleep, light revision, no new topics.

      What to practise

      • Do a 5-minute tech check the day before
      • Lay out documents and clothes the night before

      Free resources

    5. 07.5Job & interview safety

      Good to knowBeginner15 min

      Spot fake offers, payment requests and fake interview links.

      What this covers

      • Payment requests — Real employers don't charge for jobs or training.
      • Email domains — Check it matches the company's own site.
      • OTPs & logins — Never share them with anyone.
      • Fake interview links — Care with unknown chat apps and downloads.
      • Reporting — The 1930 helpline and cybercrime.gov.in.

      What to practise

      • Check one recent offer against these rules
      • Confirm the opening is listed on the company's own careers page

      Free resources

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