Frontend interview experience at Atlassian

Overview

Atlassian, the company behind widely-used developer tools like Bitbucket and JIRA, maintains a rigorous interview process for frontend engineering roles. This detailed account outlines the complete interview journey for a Senior Frontend Engineer position, spanning approximately 60 days from initial HR contact to offer release. The process consisted of 6 interview rounds and 2 discussion phases, testing candidates across technical depth, system design capabilities, and cultural alignment.

The interview process is designed to evaluate candidates comprehensively, with each round serving as an elimination stage. Strong foundational knowledge in HTML, CSS, JavaScript, React, and system design principles is essential for success.

Interview Process

Atlassian's interview pipeline follows a structured approach:

1. Exploratory Discussion (20 minutes)
2. Technical Interview by Karat (60 minutes) - Third-party screening
3. Browser Coding Interview (60 minutes)
4. JavaScript Coding Interview (60 minutes)
5. System Design Interview (60 minutes)
6. Hiring Manager Interview (60 minutes)
7. Values Interview (45 minutes)
8. Offer Discussion

Exploratory Discussion

The initial HR call serves as a preliminary screening to assess role fit. Candidates are expected to articulate their overall experience, key achievements, technical abilities, and recent project work. This discussion, though casual in nature, carries significant weight—a poor performance here can end the process prematurely. Candidates who pass this stage are asked to submit an updated resume for further evaluation.

Technical Rounds

Karat Technical Interview

Duration: 60 minutes
Difficulty: Hard
Format: Live coding

Karat, a third-party interviewing platform, conducts unbiased technical assessments for Atlassian. The platform evaluates candidates purely on demonstrated skills rather than resume prestige or previous employer reputation.

Part 1 - Code Analysis: Candidates are presented with code snippets containing intentional bugs or design flaws. They must identify the problems and explain the underlying concepts in depth, demonstrating strong understanding of frontend fundamentals.

Candidates solve progressively complex challenges requiring proficiency in: