Interview preparation

Aircall interview process & preparation

Aircall currently has 7+ live openings on OnJob.io, concentrated in Data Engineer, Sales / Business Development and Customer Support 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 Aircall 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 Aircall is currently hiring for. Use them to prepare; your real Aircall interview may differ.

What to expect when interviewing for Data Engineer, Sales / Business Development and Customer Support roles at companies like Aircall

Aircall 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 Data Engineer interview prep

2 live roles at Aircall

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 SQL & data modelling. Complex queries, window functions, star vs snowflake schema design.
2 Big data & pipelines. Spark, Hadoop, ETL/ELT design and batch vs streaming.
3 Coding round. Python/Scala data manipulation and DSA basics.
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 Sales / Business Development interview prep

2 live roles at Aircall

Pitching, objection handling, pipeline and targets — the sales / BD interview for SaaS, startups and inside-sales teams.

Typical Sales / Business Development interview rounds

1 Screening / fit. Motivation, communication and comfort with targets.
2 Role-play / mock pitch. Sell a product, handle objections, close.
3 Behavioural & track record. Past numbers, deals closed and how you hit quota.
4 Manager round. CRM, sales process and how you handle rejection.

Commonly-asked Sales / Business Development questions

Sell me this pen (or our product) right now.
Walk me through your sales process from lead to close.
How do you handle objections like 'it's too expensive' or 'we're happy with our current vendor'?
How do you qualify a lead — what makes it worth your time?
Tell me about the biggest deal you closed and how you did it.
How do you handle rejection and stay motivated?
What is your approach to cold calling or cold outreach?
How do you build rapport with a prospect quickly?

Full Sales / Business Development prep AI mock interview

General Customer Support interview prep

1 live role at Aircall

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

Typical Customer Support interview rounds

1 Communication screen. Spoken clarity, tone and listening.
2 Scenario / role-play. Handle an angry customer or a tricky query live.
3 Behavioural. Past support experience, handling pressure and escalations.
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 Product Manager interview prep

1 live role at Aircall

Product sense, analytical thinking, prioritisation and metrics — the PM interview for product companies, startups and consumer apps.

Typical Product Manager interview rounds

1 Product sense / design. Design or improve a product for a target user.
2 Analytical / metrics. Define success metrics, diagnose a metric drop, size a market.
3 Execution & prioritisation. Roadmaps, trade-offs and stakeholder management.
4 Behavioural / leadership. Past products shipped, conflict resolution and influence.

Commonly-asked Product Manager questions

How would you improve our product (e.g. WhatsApp, Swiggy, or our app)?
Design a product for [a specific user group, e.g. delivery riders or senior citizens].
What is your favourite product and why? How would you improve it?
Daily active users dropped 15% overnight — how do you investigate?
How would you decide what to build next with limited engineering resources?
What metrics would you track for a feature you just launched?
How would you estimate the market size for [a product] in India?
Walk me through how you'd prioritise a backlog of 20 feature requests.

Full Product Manager prep AI mock interview

General Software Engineer interview prep

1 live role at Aircall

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

Rehearse your Aircall 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 Aircall jobs

Interview prep at other companies

Aircall interview — FAQs

How do I prepare for a Aircall 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. Aircall is currently hiring for Data Engineer, Sales / Business Development and Customer Support 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 Aircall questions.

What questions are asked in a Aircall interview?

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

How many rounds does a Aircall interview have?

It depends on the role. A typical Data Engineer interview runs across 4 rounds — SQL & data modelling, Big data & pipelines, Coding round, System design. Round counts vary by company and seniority; treat this as the general structure to prepare for, not a guarantee of Aircall's exact process.

Is Aircall hiring right now?

Yes — Aircall has 7+ live openings on OnJob.io, refreshed daily, mostly for Data Engineer, Sales / Business Development and Customer Support roles. Browse the live Aircall jobs and see your AI match score on each before you apply.

Free forever — no credit card

Get matched to Aircall roles you're ready for

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

Create my free profile Browse Aircall jobs