CRED - Hinglish guide

CRED interview questions - Hinglish guide

CRED ke machine coding round mein sirf chalta code nahi, saaf OOP aur extensibility bhi dekhi jaati hai. Har round knock-out report hua hai.

Bhasha:EnglishHinglish

CRED ke baare mein

CRED credit card bill payments aur rewards ka Indian fintech app hai, design aur user experience ke liye jaana jaata hai. Engineering mein payments, rewards aur bade scale ka kaam hai.

Is guide mein CRED interview questions in Hindi (Hinglish) hain - 13 sawaal, har ek ke saath interviewer kya check karta hai aur kaise answer karein. Saath mein CRED interview process round-wise, freshers ke liye 7 din ka taiyari plan, tips aur galtiyan jo nahi karni.

CRED ka hiring process

  1. Coding round

    Kabhi HackerRank par 3 sawaal (~90 minute), kabhi take-home assignment.

  2. Machine coding aur technical

    OOP aur extensibility par zor; DSA medium-hard, application-based.

  3. Hiring manager aur HR

    Projects aur fit - har round knock-out.

CRED apna India fresher interview process detail mein publish nahi karta (humare check ke time par). Yeh jaankari candidates ke reports par based hai - kai reports experienced roles ke hain, isliye fresher ka process alag ho sakta hai. Recruiter se confirm karein.

Sources (checked 16 October 2026): CRED Careers. Hiring process badalta rehta hai - apply karne se pehle official notice zaroor padhein.

CRED interview questions aur answers

Machine coding

  1. 1.Machine coding: rewards points system banao.

    Interviewer kya check kar raha hai
    Domain + OOP.
    Kaise answer karein
    User, Transaction, RewardRule (alag rules alag classes), points ledger. Naya rule jodna aasaan ho - yahi extensibility.

  2. 2.Extensible code ka matlab kya hai? Example do.

    Interviewer kya check kar raha hai
    Reports mein rejection ki wajah - OOP aur extensibility ki kami.
    Kaise answer karein
    Naya feature jodne ke liye purana code na todna pade - interfaces aur strategies. Jaise naya payment method bas ek nayi class.

  3. 3.Credit card bill reminder system ka design.

    Interviewer kya check kar raha hai
    Domain soch.
    Kaise answer karein
    Har card ki due date; scheduler; reminders (3 din pehle, 1 din pehle) - aur already paid ho to band.

DSA aur puzzles

  1. 4.Linked list mein cycle ho to cycle ka start node dhoondho.

    Interviewer kya check kar raha hai
    Reports mein cycle ka sawaal aaya.
    Kaise answer karein
    Slow/fast mile to ek pointer head par lao; dono ek-ek step chalao - jahan mile wahi start.

  2. 5.Transactions mein se fraud jaisa pattern: ek hi minute mein 3 se zyada.

    Interviewer kya check kar raha hai
    Application-based DSA.
    Kaise answer karein
    User ke hisaab se timestamps ka sliding window (deque); window mein 3 se zyada to flag.

  3. 6.Kisi number ke liye minimum coins (coin change).

    Interviewer kya check kar raha hai
    DP.
    Kaise answer karein
    dp[x] = min(dp[x - coin] + 1) har coin ke liye; nahi ban sake to -1.

  4. 7.Puzzle: 100 doors - kitne khule rahenge?

    Interviewer kya check kar raha hai
    Puzzles report hue hain.
    Kaise answer karein
    Sirf perfect squares wale doors (1, 4, 9...) khule - 10. Kyunki unke divisors odd hote hain.

Hiring manager

  1. 8.Ek product jiska design aapko pasand hai - kyun?

    Interviewer kya check kar raha hai
    CRED design-focused hai.
    Kaise answer karein
    Specific product, kya achha laga (aasaani, speed, detail), aur aap usse kya seekhte ho.

  2. 9.Apne project ka sabse achha design decision?

    Interviewer kya check kar raha hai
    Engineering soch.
    Kaise answer karein
    Decision, alternatives, aur kyun yeh behtar tha - numbers ho to aur achha.

  3. 10.CRED hi kyun?

    Interviewer kya check kar raha hai
    Motivation.
    Kaise answer karein
    Fintech aur premium user experience - jo genuinely pasand ho.

  4. 11.Ek baar jab aapne feedback ke baad apna code badla?

    Interviewer kya check kar raha hai
    Seekhna.
    Kaise answer karein
    Kya feedback tha, kya badla, aur aage kya dhyaan rakhte ho.

Aur sawaal

  1. 12.Credit card ka bill time par na bharne se kya hota hai?

    Interviewer kya check kar raha hai
    CRED ke domain ki samajh.
    Kaise answer karein
    Late fee, bacha hua amount par interest, aur credit score par bura asar.

  2. 13.Machine coding mein unit tests kaise likhoge?

    Interviewer kya check kar raha hai
    Code quality - CRED design aur quality par zor deta hai.
    Kaise answer karein
    Har important class ke liye normal, edge aur galat input ke tests; dependencies ko interface se badal kar test karna aasaan.

CRED interview ke liye 7 din ka taiyari plan

  1. Din 1: OOP aur SOLID principles.
  2. Din 2: Machine coding - rewards system, extensible design.
  3. Din 3: Linked lists aur sliding window.
  4. Din 4: DP - coin change, knapsack.
  5. Din 5: Doosra machine coding problem.
  6. Din 6: Puzzles aur HM stories.
  7. Din 7: Mock round.

Taiyari ke tips

  • Machine coding mein OOP principles aur extensibility par khaas dhyaan.
  • DSA medium-hard tak - application-based sawaalon ki practice.
  • Har round knock-out hai - har round ki poori taiyari.

Ye galtiyan mat karna

  • Machine coding mein code chal raha hai par design kamzor - CRED ke liye yeh kaafi nahi.
  • Ek round ko 'aasaan' samajh kar dheela padna - har round knock-out.
  • Design ke sawaal par product ke baare mein na sochna.

Aksar poochhe jaane wale sawaal

CRED machine coding mein kya dekha jaata hai?

Reports ke hisaab se working code ke saath OOP principles aur extensibility.

CRED DSA kitna mushkil hai?

Commonly medium se hard, application-based sawaal.

Kya CRED mein take-home assignment hota hai?

Kuch roles mein take-home assignment report hua hai.

Kya CRED mein puzzles poochhe jaate hain?

Kuch reports mein DSA ke saath puzzles ka round aaya hai.

Isi tarah ki companies - Product aur internet companies

Aur company guides

Aage padhein

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CRED interview ki taiyari ho gayi?

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