Wells Fargo interview process (2026)

Round-by-round breakdown of the Wells Fargo software engineering interview across 3 levels and 13 rounds: interview mode, sample questions, and worked solutions.

Wells Fargo salary & ratings · All interview processes

Program Associate (Campus)

Difficulty: Medium · Timeline: ~2-4 weeks · Recommended prep: 8-12 weeks · Cooldown: Next campus season

  1. Round 0: Online Assessment (SHL / AMCAT)

    Assessment · ~90-120 min · difficulty 2/5 · elimination round

    Mode of interview: Online assessment

    Sample question: Given a string, remove all vowels (a, e, i, o, u — both cases) and print the resulting string. A variant asked in the same drive: count the number of error characters in a log string. (Reported from the August 2024 on-campus SHL test.)

  2. Round 1: Technical Interview 1 (DSA + CS fundamentals)

    Onsite · ~60-75 min · difficulty 3/5

    Mode of interview: Onsite or virtual onsite interview

    Sample question: Longest Substring Without Repeating Characters — given a string, print the length of the longest substring that contains no repeated characters. (Asked verbatim in the August 2024 campus round.)

  3. Round 2: Technical + Managerial Round

    Onsite · ~30-50 min · difficulty 3/5

    Mode of interview: Onsite or virtual onsite interview

  4. Round 3: HR Round

    Behavioral · ~20-25 min

    Mode of interview: Live behavioral interview

Software Engineer / Senior Software Engineer

Difficulty: Medium · Timeline: ~3-5 weeks · Recommended prep: 6-8 weeks · Cooldown: ~6 months

  1. Round 0: Recruiter Screen

    Phone · ~15-30 min · elimination round

    Mode of interview: Remote phone or video interview

  2. Round 1: HackerRank Online Assessment

    Assessment · ~60-90 min · difficulty 3/5 · elimination round

    Mode of interview: Online assessment · HackerRank

    Sample question: Top K Frequent Merchants — you are given n card transactions (merchant name per line) and an integer k. Print the k merchants with the highest transaction counts, most frequent first (break ties alphabetically), each with its count.

  3. Round 2: Technical Round 1 — Live Coding + Core Language

    Onsite · ~45-60 min · difficulty 3/5

    Mode of interview: Onsite or virtual onsite interview

    Sample question: Implement an LRU cache supporting get and put in O(1), then explain how Java's LinkedHashMap can be used to build one and what you would change to make it thread-safe.

  4. Round 3: Technical Round 2 — Platform Deep-Dive & Design

    Onsite · ~45-60 min · difficulty 3/5

    Mode of interview: Onsite or virtual onsite interview

    Sample question: You own a Spring Boot payments microservice whose p99 latency spiked after a deployment while CPU stayed flat. Walk through how you would investigate and what the likely culprits are (connection-pool exhaustion, GC pauses, a slow downstream, N+1 queries).

  5. Round 4: Hiring Manager / HR Round

    Behavioral · ~30-45 min · difficulty 2/5

    Mode of interview: Live behavioral interview

Lead Software Engineer / Vice President

Difficulty: Medium · Timeline: ~4-8 weeks · Recommended prep: 4-6 weeks · Cooldown: ~6 months

  1. Round 0: Recruiter / HR Screen

    Phone · ~20-30 min · elimination round

    Mode of interview: Remote phone or video interview

  2. Round 1: Technical Round — Coding + Language Internals

    Onsite · ~60 min · difficulty 3/5

    Mode of interview: Onsite or virtual onsite interview

    Sample question: Implement a thread-safe sliding-window rate limiter (N requests per user per minute) and discuss how you would shard it across service instances.

  3. Round 2: System Design Round

    System_design · ~60 min · difficulty 4/5

    Mode of interview: Live system design interview

    Sample question: Design an intraday payments-reconciliation platform: ingest millions of transactions from multiple upstream channels, match them against core-ledger entries, and surface unmatched breaks to an ops dashboard within minutes. Cover ingestion, matching strategy, storage layout, idempotency, replay and audit requirements.

  4. Round 3: Hiring Manager / Director Round

    Behavioral · ~45-60 min · difficulty 2/5

    Mode of interview: Live behavioral interview

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Worked sample solutions (code, design diagrams, and STAR answers) for every round are available in the FAANGPlus app: open interview processes.