How Should I Prepare for an Entry-Level Platform Engineering Interview?

A practical preparation plan would be to spend a few days reviewing Python and SQL, then complete a small project that uses both. For example, build a simple service that stores and queries records, add basic tests, put the code in Git, and write a short explanation of how you would monitor and troubleshoot it. After that, practice explaining the project aloud and solve a few easy coding problems without relying on memorized solutions.

Most importantly, do not present your lack of experience as desperation. Present yourself as someone with solid fundamentals who learns quickly, takes responsibility, and is genuinely interested in growing into the role.

Research the company’s banking products and be familiar with basic concepts such as transactions, accounts, authentication, authorization, data privacy, audit trails, and reliability. You do not need to become a banking expert, but showing that you understand why accuracy, security, availability, and careful change management matter will help.

During the interview, ask what the team actually owns, how much of the role is coding versus support, what technologies are used day to day, how the support rotation works, and what success looks like in the first six months. Those questions can clarify whether the position matches your goals.

For the technical portion, practice writing small Python scripts, working with lists and dictionaries, reading files, handling errors, and calling a basic API. Review SQL joins, filtering, grouping, subqueries, indexes at a high level, and how to investigate a query that returns unexpected results.

Also review HTTP basics, logs, common causes of application failures, Git workflows, unit versus integration testing, and simple cloud concepts such as compute, storage, networking, permissions, and monitoring. You probably do not need advanced infrastructure design for an associate role, but you should be able to reason through a basic troubleshooting scenario step by step.

The title may not accurately describe the actual work. Based on the responsibilities, this sounds more like an entry-level application support or junior software development role than a traditional platform engineering position. That is not necessarily negative, especially as a first job. Prepare for the duties they actually listed rather than focusing too much on the title.

I’d prioritize one programming language, especially Python if that is what the company uses, along with SQL, Git, debugging, testing fundamentals, and basic cloud concepts. Be ready to explain a school or personal project clearly: what you built, how the pieces worked together, what went wrong, and how you fixed it.

Do not neglect behavioral preparation. Prepare concise examples using the situation-task-action-result format for questions about debugging a difficult problem, learning something quickly, working with a teammate, handling a mistake, communicating an issue, and managing competing priorities.

As a new graduate, it is completely fine to use class projects, internships, part-time work, or personal projects. Interviewers will usually care more about how you think, communicate, and respond to feedback than whether you already know every tool. If you do not know something, explain how you would investigate it instead of guessing.