About i2c inc.
Company Description
i2c Inc. is a global leader in providing highly-configurable payment and banking solutions. Founded in 2001 and headquartered in Silicon Valley, i2c offers a comprehensive SaaS platform that enables businesses to create and manage credit, debit, prepaid, lending, and buy-now-pay-later (BNPL) programs. With a presence in over 200 countries, i2c's technology supports millions of users across all time zones.
The company's proprietary "building block" technology allows clients to select and customize products to meet their specific needs, providing unparalleled flexibility and scalability. i2c's commitment to innovation and customer satisfaction has made it a trusted partner for leading financial institutions and fintech companies worldwide.
Work Culture & Job Environment
i2c fosters a collaborative and inclusive work environment that emphasizes innovation, respect, and personal growth. Employees are encouraged to bring their ingenuity and determination to make an impact, with the freedom to innovate at every level. The company values teamwork and strives to build a respectful, friendly, and collaborative atmosphere that opens doors to professional and personal development.
While i2c offers competitive benefits and perks, some employees have reported challenges in work-life balance, particularly in client-facing roles, which can involve long hours. Despite these challenges, many employees appreciate the learning opportunities and exposure to international cultures and work environments that i2c provides.
Interview Questions & Sample Answers
1. Associate Software Engineer
Q1: Can you explain the SOLID principles in object-oriented programming?
The SOLID principles are a set of design principles that help create more understandable, flexible, and maintainable code. They include:
S: Single Responsibility Principle
O: Open/Closed Principle
L: Liskov Substitution Principle
I: Interface Segregation Principle
D: Dependency Inversion Principle
Q2: How would you design a RESTful API for a payment processing system?
I would start by identifying the resources involved, such as transactions, users, and accounts. Then, I would define the appropriate HTTP methods (GET, POST, PUT, DELETE) for each resource, ensuring stateless communication and proper use of HTTP status codes. Security measures like authentication and authorization would be implemented using tokens.
Q3: What is the difference between a stored procedure and a view in SQL?
A stored procedure is a set of SQL statements that can be executed as a program, allowing for complex operations and logic. A view is a virtual table representing the result of a query, providing a way to simplify complex joins and aggregations.
Q4: Can you explain the concept of multithreading and its benefits?
Multithreading allows multiple threads to run concurrently within a single process, improving the efficiency of CPU-bound tasks. It enables better utilization of CPU resources and can lead to faster execution of programs. However, it requires careful management to avoid issues like race conditions and deadlocks.
Q5: How do you approach debugging a complex issue in a production environment?
I would start by reproducing the issue in a controlled environment, if possible. Then, I would analyze logs and use debugging tools to trace the problem. Collaborating with team members and communicating with stakeholders is crucial to resolve the issue promptly.
Q6: What is your experience with version control systems like Git?
I have used Git extensively for source code management, including branching, merging, and resolving conflicts. I am familiar with Git workflows like GitFlow and have experience using platforms like GitHub and GitLab for collaboration.
Q7: How do you stay updated with the latest developments in software engineering?
I regularly read technical blogs, participate in online forums, and attend webinars and conferences. I also engage in personal projects and contribute to open-source communities to apply new concepts and technologies.
Job Roles
Skills (for reference):
Object-Oriented Programming (OOP)
Database Design and Management
RESTful API Development
Multithreading and Concurrency
Version Control (Git)
Problem-Solving and Debugging
Continuous Learning and Adaptability
Previous Roles (for reference):
Junior Software Developer
Backend Developer
Database Administrator
Quality Assurance Engineer
Systems Analyst
i2c inc. Interview Questions and Answers
Updated 21 Feb 2026No interview experiences shared yet.
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Common Interview Questions in i2c inc.
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â