American Express

Role: Technology - Engineer Trainee

College: On-Campus

Interview Date: August 2025

Interview Type: On-Campus (Campus Recruitment Drive)

Result: Not Specified

Difficulty: Easy to Medium

Rounds: 3 rounds (Online Assessment + Technical Interview + Managerial Interview)

Topics Asked: Coding (Data Structures, Algorithms), DBMS (SQL, NoSQL, ACID, CAP theorem, Indexing), Java Springboot, Projects, HR Questions

Experience:

This experience details a campus recruitment drive for the Technology - Engineer Trainee role in August 2025.

Round 1: Online Assessment
The virtual coding round on the Codility platform consisted of three questions: one easy and two medium-level. The candidate successfully solved all three questions.

Round 2: Technical Interview
This in-person round started with introductions. Questions covered DBMS: "What databases are you familiar with?", "What is the difference between SQL and NoSQL?", "Explain ACID and CAP theorem," "How can consistency & availability be achieved together? Explain with example," "If two users want to buy a book available only one in numbers, how do you handle the situation where they order simultaneously? What is the issue called?", "When will you use NOSQL and SQL? Explain with example," and "What is indexing?". The interviewer also inquired about Java Springboot: "Do you know JAVA Springboot? How does it help? Why is it used? Since we use Java & Java Springboot in Amex, will you be comfortable working with them?". Questions from the candidate's resume were also asked.

Round 3: Managerial Interview
This in-person round involved basic HR-type questions about the candidate's background, known languages, and college life. Further questions were asked based on the resume.