Chargebee Software Engineer Interview Questions India 2026

Chargebee technical interview FAQ

01What is the recruitment process at Chargebee?

The typical Chargebee recruitment process has 7 stages: Apply on Chargebee careers page; Chennai-based referrals have a strong success rate → Recruiter call (15-20 min) to discuss experience, tech stack, and role level → Online coding test or take-home assignment covering DSA and basic OOP design → Technical interview 1: live coding on DSA problems with complexity analysis → Technical interview 2: low-level design covering class modelling for billing domain → Technical interview 3: high-level system design or past project review → HR and hiring manager round: cultural fit, growth plans, and compensation.

02What are the interview rounds at Chargebee?

Chargebee typically conducts 5 interview rounds: Online Assessment or Take-Home (60-90 min): two DSA problems or a small feature implementation covering OOP and data structures.; Technical Round 1 (45-60 min): live coding with a focus on correctness, edge cases, and clean code style.; Technical Round 2 LLD (60 min): design a billing component such as a coupon engine or invoice generator using classes and interfaces.; Technical Round 3 HLD (45-60 min): high-level design of a payment retry system or subscription lifecycle manager.; Hiring Manager Round (30 min): discussion of engineering values, ownership mindset, and fit within a product-focused team..

03What framework should I use for Chargebee technical interviews?

HireStepX recommends the OOSD-First framework for this type of interview: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer

04Reverse a linked list in O(1) extra space. Then explain when you'd use this in production.

To answer this question well, HireStepX recommends the OOSD-First approach: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer Ground your answer in a specific real example from your own experience.

05What is the difference between a class and an object? Give an example.

To answer this question well, HireStepX recommends the OOSD-First approach: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer Ground your answer in a specific real example from your own experience.

06Write a SQL query to find the second-highest salary in a department.

To answer this question well, HireStepX recommends the OOSD-First approach: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer Ground your answer in a specific real example from your own experience.

07What is normalisation in databases? When would you de-normalise?

To answer this question well, HireStepX recommends the OOSD-First approach: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer Ground your answer in a specific real example from your own experience.

08What's the difference between a stack and a queue? Give a real-world use case for each.

To answer this question well, HireStepX recommends the OOSD-First approach: Object-Oriented System Design first: model entities and relationships before scaling concerns, ensuring correctness and testability in each layer Ground your answer in a specific real example from your own experience.