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Interview preparation roadmap · Design

Choosing research methods, running studies, synthesis, statistics basics and influencing product decisions.

MethodsSynthesisImpact

0 / 19 complete · 15 core · 4 other · 96 subtopics

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  1. 01Interview foundations
  2. 02Research core
  3. 03Analysis
  4. 04Practice
  5. 05Behavioral & HR
  6. 06Company & final prep
CoreCommonly assessedGood to knowRole-dependentAdvancedFor deeper interviewsOptionalNot needed by everyoneCompletedYour progressYou are hereNext up

  1. 01Interview foundations

    Your work is the resume.

    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. 01.3Design portfolio

      CoreIntermediate15–30 h

      Case studies that show your process, not only final screens.

      What this covers

      • Pick 2–4 projects — Depth beats volume.
      • Case study structure — Problem, research, options, decision, result.
      • Your role — What you did vs the team.
      • Outcomes — Usage, feedback, what changed.
      • Presentation — Readable on a phone, fast to skim.

      What to practise

      • Rewrite one project as a full case study
      • Ask two designers to review your portfolio

      Common questions

      • Walk me through your portfolio.
      • Which project would you redo and why?

      Free resources

      Free courses

  2. 02Research core

    The main rounds.

    1. 02.1User 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

    2. 02.2UX research methods in depth

      CoreAdvanced8–12 h

      Choosing methods, running studies and influencing decisions with research.

      What this covers

      • Method choice — Qualitative vs quantitative, when each fits.
      • Study design — Research questions and recruitment.
      • Analysis — Coding, themes, statistical basics.
      • Research ops — Consent, privacy, repositories.
      • Impact — Turning findings into decisions.

      What to practise

      • Write a full research plan for a feature
      • Present findings to a mock product team

      Common questions

      • How do you choose a research method?
      • Tell me about research that changed a decision.

      Free resources

      Free courses

    3. 02.3Design thinking

      CoreBeginner4–6 h

      Empathise, define, ideate, prototype, test, and when to loop back.

      What this covers

      • Empathise — Understand users before solving.
      • Define — A clear problem statement.
      • Ideate — Many options before choosing.
      • Prototype — Cheap and quick to test.
      • Test — Learn and iterate.

      What to practise

      • Run a mini design sprint on a campus problem
      • Write three "How might we" questions for one problem

      Common questions

      • Walk me through your design process.
      • How do you decide which idea to pursue?

      Free resources

      Free courses

  3. 03Analysis

    Making sense of data.

    1. 03.1Statistics & probability

      CoreIntermediate10–15 h

      The statistics data interviews commonly test, explained in plain words.

      What this covers

      • Descriptive statistics — Mean, median, variance, percentiles.
      • Probability — Conditional probability and Bayes' rule.
      • Distributions — Normal, binomial, Poisson and when they apply.
      • Sampling & CLT — Why sample means behave predictably.
      • Hypothesis testing — p-values, confidence intervals, errors.
      • Correlation vs causation — Confounders and how to argue carefully.

      What to practise

      • Explain a p-value to a non-technical friend
      • Solve 20 probability questions

      Common questions

      • What is a p-value?
      • Difference between correlation and causation?
      • When would you use the median instead of the mean?

      Free resources

      Free courses

    2. 03.2Customer research

      Good to knowIntermediate4–6 h

      Finding out what customers need and turning it into insight.

      What this covers

      • Personas — Grounded in research, not guesses.
      • Surveys — Good questions, sample, bias.
      • Interviews — Open questions and listening.
      • Insights — From observations to "so what".
      • Competitor research — What others offer and say.

      What to practise

      • Interview five people about one buying decision
      • Turn your notes into three insights

      Common questions

      • How would you understand why sales dropped?
      • How do you build a customer persona?

      Free resources

      Free courses

    3. 03.3Design critique

      CoreIntermediate2–4 h

      Giving and taking feedback on designs.

      What this covers

      • Critique an app — Goals first, then issues by severity.
      • Heuristics — Usability principles to anchor feedback.
      • Taking feedback — Listen, ask, decide.
      • Accessibility lens — Contrast, size, labels.
      • Suggesting fixes — Specific and prioritised.

      What to practise

      • Critique three apps using usability heuristics
      • Record yourself critiquing for five minutes

      Common questions

      • Critique this app's onboarding.
      • How do you respond when an engineer disagrees with your design?

      Free resources

  4. 04Practice

    Rehearse it out loud.

    1. 04.1Mock 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

    2. 04.2Portfolio presentation

      CoreIntermediate4–6 h

      Presenting one case study in 15–30 minutes.

      What this covers

      • Story arc — Context, problem, process, outcome.
      • Timing — Know what to cut when time is short.
      • Decisions — Why you chose this over alternatives.
      • Questions — Invite them; do not get defensive.
      • Slides — Few words, clear visuals.

      What to practise

      • Present one case study to a friend in 15 minutes
      • Prepare answers for "why not X?"

      Common questions

      • Why did you choose this design?
      • What would you do with more time?

      Free resources

      Free courses

  5. 05Behavioral & HR

    How you work with people.

    1. 05.1Behavioral & 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. 05.2Strengths & 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. 05.3Common 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

  6. 06Company & final prep

    The last 48 hours.

    1. 06.1Company 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. 06.2Questions 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. 06.3Salary & 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. 06.4Final 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. 06.5Job & 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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