Interview preparation

Unzer interview process & preparation

Unzer currently has 6+ live openings on OnJob.io, concentrated in Accountant, Software Engineer and Data Engineer roles. There are no leaked or company-specific questions here — instead, prepare with the general, role-based interview rounds and most-asked questions for those role types below, then practise them free with OnJob's AI mock interview.

Practise with AI mock interview See live Unzer jobs

Honest note: OnJob.io does not publish leaked or company-confidential interview questions. The guides below are general, role-based preparation — the standard rounds and commonly-asked questions for the role types Unzer is currently hiring for. Use them to prepare; your real Unzer interview may differ.

What to expect when interviewing for Accountant, Software Engineer and Data Engineer roles at companies like Unzer

Unzer is currently advertising these role types on OnJob.io. Each guide is the general interview structure and most-asked questions for that role — prepare with it, then rehearse free with the AI mock interview.

General Accountant interview prep

2 live roles at Unzer

Accounting principles, Tally, GST and financial statements — the accounting interview for finance teams, CA firms and SMEs in India.

Typical Accountant interview rounds

  1. 1 Accounting fundamentals. Double-entry, journal entries and the accounting cycle.
  2. 2 Statements & analysis. Balance sheet, P&L and cash-flow understanding.
  3. 3 Tax & compliance. GST, TDS and statutory basics (India).
  4. 4 Tools & scenario. Tally / Excel and a practical bookkeeping problem.

Commonly-asked Accountant questions

  • What are the three golden rules of accounting?
  • Explain the difference between accounts payable and accounts receivable.
  • What is the difference between a balance sheet and a profit & loss statement?
  • What is double-entry bookkeeping?
  • Explain the difference between cash accounting and accrual accounting.
  • What is depreciation and what are the common methods?
  • What is GST, and how do CGST, SGST and IGST differ?
  • What is TDS and when is it deducted?
Full Accountant prep AI mock interview

General Software Engineer interview prep

2 live roles at Unzer

Coding, data structures, algorithms and system design — the core software engineering loop used by product companies and startups across India.

Typical Software Engineer interview rounds

  1. 1 Online assessment. Timed coding problems on arrays, strings and hashing on HackerRank or HackerEarth.
  2. 2 DSA / problem solving. 1–2 live coding rounds on data structures, algorithms and complexity analysis.
  3. 3 System design. Designing a scalable service (mid/senior); low-level design for early-career.
  4. 4 Hiring manager / culture fit. Past projects, ownership, behavioural questions and team fit.

Commonly-asked Software Engineer questions

  • Reverse a linked list, both iteratively and recursively.
  • Find the two numbers in an array that add up to a target sum.
  • Detect whether a linked list has a cycle.
  • What is the difference between a process and a thread?
  • Explain time and space complexity (Big O) with examples.
  • How does a hash map work internally, and what happens on collisions?
  • Find the longest substring without repeating characters.
  • What is the difference between an array and a linked list?
Full Software Engineer prep AI mock interview

General Data Engineer interview prep

1 live role at Unzer

Data pipelines, SQL, big-data tools and warehousing — the data-engineering interview for analytics, fintech and product teams building data platforms.

Typical Data Engineer interview rounds

  1. 1 SQL & data modelling. Complex queries, window functions, star vs snowflake schema design.
  2. 2 Big data & pipelines. Spark, Hadoop, ETL/ELT design and batch vs streaming.
  3. 3 Coding round. Python/Scala data manipulation and DSA basics.
  4. 4 System design. Design an end-to-end data pipeline or warehouse.

Commonly-asked Data Engineer questions

  • What is the difference between ETL and ELT, and when do you use each?
  • Explain the difference between a data warehouse, a data lake and a data mart.
  • What is the difference between a star schema and a snowflake schema?
  • How does Apache Spark work, and what is an RDD vs a DataFrame?
  • Explain the difference between batch processing and stream processing.
  • What is partitioning and bucketing in Hive, and why do they matter?
  • How do you handle slowly changing dimensions (SCD types 1, 2 and 3)?
  • What is data normalisation, and when would you denormalise for analytics?
Full Data Engineer prep AI mock interview

General QA / Test Engineer interview prep

1 live role at Unzer

Manual and automation testing, Selenium, test design and SDLC — the QA interview for product companies, services firms and test-automation teams.

Typical QA / Test Engineer interview rounds

  1. 1 Testing fundamentals. Test types, SDLC/STLC, test-case design and bug lifecycle.
  2. 2 Automation round. Selenium/Cypress, frameworks and writing test scripts.
  3. 3 SQL & API testing. Database validation and testing REST APIs with Postman.
  4. 4 Scenario / behavioural. How you'd test a feature and work with developers.

Commonly-asked QA / Test Engineer questions

  • What is the difference between verification and validation?
  • Explain the difference between SDLC and STLC.
  • What is the difference between smoke, sanity and regression testing?
  • Walk me through the bug life cycle from discovery to closure.
  • What is the difference between severity and priority? Give an example of high severity / low priority.
  • How would you write test cases for a login page?
  • What is the difference between functional and non-functional testing?
  • Explain the difference between black-box and white-box testing.
Full QA / Test Engineer prep AI mock interview

Rehearse your Unzer interview, free

Run a realistic AI mock interview for your target role and get instant feedback on your answers — or take a timed mock test to check your fundamentals before the real thing.

AI mock interview Free mock test Unzer jobs

Interview prep at other companies

Unzer interview — FAQs

How do I prepare for a Unzer interview?

Prepare by role: identify the role you're applying for, then practise the standard interview rounds and most-asked questions for that role type. Unzer is currently hiring for Accountant, Software Engineer and Data Engineer roles, so focus there. Use OnJob's free AI mock interview to rehearse with instant feedback, and review the role-specific question lists below. These are general role-based questions, not leaked Unzer questions.

What questions are asked in a Unzer interview?

We don't publish leaked or company-specific Unzer questions. What we do provide is the general, frequently-asked interview questions for the role types Unzer hires for — such as Accountant, Software Engineer and Data Engineer roles. For example, Accountant interviews commonly cover: What are the three golden rules of accounting? Explain the difference between accounts payable and accounts receivable. What is the difference between a balance sheet and a profit & loss statement? Prepare with these general questions and OnJob's free AI mock interview.

How many rounds does a Unzer interview have?

It depends on the role. A typical Accountant interview runs across 4 rounds — Accounting fundamentals, Statements & analysis, Tax & compliance, Tools & scenario. Round counts vary by company and seniority; treat this as the general structure to prepare for, not a guarantee of Unzer's exact process.

Is Unzer hiring right now?

Yes — Unzer has 6+ live openings on OnJob.io, refreshed daily, mostly for Accountant, Software Engineer and Data Engineer roles. Browse the live Unzer jobs and see your AI match score on each before you apply.

Free forever — no credit card

Get matched to Unzer roles you're ready for

Create a free profile to see your AI match score on every live Unzer opening, practise the interview, and apply in one click.

Create my free profile Browse Unzer jobs