Interview preparation

Citi interview process & preparation

Citi currently has 232+ live openings on OnJob.io, concentrated in Software Engineer, Customer Support and AI 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 Citi 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 Citi is currently hiring for. Use them to prepare; your real Citi interview may differ.

What to expect when interviewing for Software Engineer, Customer Support and AI Engineer roles at companies like Citi

Citi 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 Software Engineer interview prep

9 live roles at Citi

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 Customer Support interview prep

8 live roles at Citi

Communication, empathy, problem-solving and process — the customer-support / customer-success interview for BPOs, SaaS and D2C teams.

Typical Customer Support interview rounds

  1. 1 Communication screen. Spoken clarity, tone and listening.
  2. 2 Scenario / role-play. Handle an angry customer or a tricky query live.
  3. 3 Behavioural. Past support experience, handling pressure and escalations.
  4. 4 Process & tools. CRM, ticketing, SLAs and metrics.

Commonly-asked Customer Support questions

  • How would you handle an angry or frustrated customer?
  • Tell me about a time you turned an unhappy customer into a happy one.
  • What does good customer service mean to you?
  • How do you handle a customer asking for something you can't provide?
  • What would you do if you don't know the answer to a customer's question?
  • How do you stay calm and professional under pressure?
  • Explain the difference between empathy and sympathy in support.
  • How do you prioritise when multiple customers need help at once?
Full Customer Support prep AI mock interview

General AI Engineer interview prep

6 live roles at Citi

LLMs, prompt engineering, RAG and AI application development — the fast-growing generative-AI engineering interview at Indian product startups, GCCs and AI-first companies. Distinct from a classic ML engineer: the focus is building on top of foundation models, not training them.

Typical AI Engineer interview rounds

  1. 1 LLM & GenAI fundamentals. How transformers and LLMs work, tokens, embeddings, context windows and prompting.
  2. 2 RAG & application design. Retrieval-augmented generation, vector databases, chunking and grounding.
  3. 3 Coding round. Python coding plus building an API around an LLM with a framework like LangChain.
  4. 4 System design & evaluation. Designing a production AI feature, handling cost, latency, safety and evaluation.

Commonly-asked AI Engineer questions

  • What is the difference between fine-tuning, prompt engineering and retrieval-augmented generation?
  • Explain how RAG works end to end, from a user query to a grounded answer.
  • What are embeddings and how are they used in semantic search?
  • What is a vector database and how does similarity search work?
  • What is a context window, and how do you handle inputs that exceed it?
  • What causes hallucinations in LLMs and how do you reduce them?
  • What is the difference between temperature and top-p sampling?
  • How would you chunk documents for a RAG pipeline, and why does chunk size matter?
Full AI Engineer prep AI mock interview

General Data Analyst interview prep

6 live roles at Citi

SQL, Excel, statistics and storytelling with data — the analyst interview for product, BI and analytics teams across India.

Typical Data Analyst interview rounds

  1. 1 SQL round. Joins, aggregations, window functions and query writing.
  2. 2 Excel / spreadsheet round. Lookups, pivot tables and formulas.
  3. 3 Case / analytics round. Business case: define metrics, analyse and recommend.
  4. 4 Tool & viz round. Power BI / Tableau dashboards and stakeholder communication.

Commonly-asked Data Analyst questions

  • What is the difference between INNER JOIN, LEFT JOIN and FULL OUTER JOIN?
  • Write a SQL query to find the second-highest salary in a table.
  • What is the difference between WHERE and HAVING?
  • Explain window functions like ROW_NUMBER(), RANK() and DENSE_RANK().
  • What is the difference between mean, median and mode, and when is each misleading?
  • How do you handle missing or null values in a dataset?
  • Explain the difference between a primary key and a foreign key.
  • What is normalisation, and why does it matter for analysis?
Full Data Analyst prep AI mock interview

General Accountant interview prep

5 live roles at Citi

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 HR / Recruiter interview prep

3 live roles at Citi

Sourcing, screening, HR fundamentals and stakeholder management — the HR / talent-acquisition interview for startups and enterprises.

Typical HR / Recruiter interview rounds

  1. 1 HR fundamentals. Recruitment lifecycle, labour basics and HR policies.
  2. 2 Sourcing & screening. Boolean search, evaluating resumes, conducting screens.
  3. 3 Behavioural / situational. Handling difficult hires, conflicts and stakeholders.
  4. 4 Manager round. Metrics, hiring strategy and culture.

Commonly-asked HR / Recruiter questions

  • Walk me through your end-to-end recruitment process.
  • How do you source candidates for a hard-to-fill role?
  • What is the difference between recruitment and talent acquisition?
  • How do you screen a resume in under a minute — what do you look for?
  • How do you handle a hiring manager who keeps rejecting your shortlists?
  • What recruitment metrics do you track (time-to-hire, offer-acceptance rate, etc.)?
  • How do you reduce candidate drop-off during the hiring process?
  • How do you conduct a behavioural interview and assess culture fit?
Full HR / Recruiter prep AI mock interview

Rehearse your Citi 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 Citi jobs

Interview prep at other companies

Citi interview — FAQs

How do I prepare for a Citi 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. Citi is currently hiring for Software Engineer, Customer Support and AI 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 Citi questions.

What questions are asked in a Citi interview?

We don't publish leaked or company-specific Citi questions. What we do provide is the general, frequently-asked interview questions for the role types Citi hires for — such as Software Engineer, Customer Support and AI Engineer roles. For example, Software Engineer interviews commonly cover: 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. Prepare with these general questions and OnJob's free AI mock interview.

How many rounds does a Citi interview have?

It depends on the role. A typical Software Engineer interview runs across 4 rounds — Online assessment, DSA / problem solving, System design, Hiring manager / culture fit. Round counts vary by company and seniority; treat this as the general structure to prepare for, not a guarantee of Citi's exact process.

Is Citi hiring right now?

Yes — Citi has 232+ live openings on OnJob.io, refreshed daily, mostly for Software Engineer, Customer Support and AI Engineer roles. Browse the live Citi jobs and see your AI match score on each before you apply.

Free forever — no credit card

Get matched to Citi roles you're ready for

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

Create my free profile Browse Citi jobs