Atlassian

Senior Engineer

Software EngineerP50Hard

This interview process is designed to assess candidates for a Senior Software Engineer (P50) role at Atlassian. It evaluates technical expertise, problem-solving abilities, system design skills, and cultural fit, ensuring candidates can contribute effectively to complex projects and mentor junior engineers.

Rounds

4

Timeline

~14 days

Experience

5 - 10 yrs

Salary Range

US$140000 - US$180000

Total Duration

195 min

Overall Evaluation Criteria

Technical Proficiency

Technical depth and breadth in relevant programming languages and technologies.
Problem-solving skills and analytical thinking.
Ability to design scalable, reliable, and maintainable systems.
Communication skills and ability to articulate complex ideas clearly.
Collaboration and teamwork.
Leadership potential and mentorship capabilities.
Alignment with Atlassian's values and culture.

Problem Solving

Ability to break down complex problems into manageable components.
Creativity and innovation in finding solutions.
Logical reasoning and systematic approach to problem-solving.

System Design

Understanding of distributed systems, microservices, and cloud architecture.
Ability to design for scalability, performance, and resilience.
Consideration of trade-offs and constraints in design decisions.

Leadership & Mentorship

Demonstrated experience in leading projects or technical initiatives.
Ability to mentor and guide junior engineers.
Proactive in sharing knowledge and best practices.

Communication & Collaboration

Effective communication of technical concepts to both technical and non-technical audiences.
Active listening and ability to understand different perspectives.
Constructive feedback and collaboration style.

Cultural Fit

Demonstrated alignment with Atlassian's values (e.g., Don't #@$% the customer, Play as a team, Be the change, Make your mark, Throw the dog a bone).
Enthusiasm for Atlassian's mission and products.

Preparation Tips

1Thoroughly review your resume and be prepared to discuss all projects and experiences in detail.
2Practice coding problems focusing on data structures, algorithms, and object-oriented design.
3Study system design principles, including scalability, reliability, and distributed systems.
4Understand Atlassian's products and their use cases.
5Prepare behavioral questions using the STAR method (Situation, Task, Action, Result).
6Research Atlassian's company culture and values.
7Prepare thoughtful questions to ask the interviewers.

Study Plan

1

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms. Practice coding and complexity analysis.

Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice coding these concepts in your preferred language. Review Big O notation for time and space complexity.

2

System Design

Weeks 3-4: System Design. Focus on scalability, reliability, and distributed systems.

Weeks 3-4: Dive into system design principles. Study topics like API design, database choices (SQL vs. NoSQL), caching strategies, load balancing, message queues, and microservices architecture. Consider common design patterns and trade-offs.

3

Behavioral and Situational Questions

Week 5: Behavioral Questions. Prepare STAR method answers for leadership and teamwork.

Week 5: Prepare for behavioral and situational questions. Reflect on your past experiences related to teamwork, leadership, conflict resolution, and problem-solving. Use the STAR method to structure your answers.

4

Company and Role Research

Week 6: Company Research & Questions. Understand Atlassian's products, culture, and prepare questions.

Week 6: Research Atlassian's products (Jira, Confluence, Bitbucket), company culture, and values. Understand their business model and recent news. Prepare specific questions about the role and the company.

Commonly Asked Questions

Describe a complex technical problem you solved.
How would you design a system for [specific Atlassian product feature]?
Tell me about a time you had to lead a technical project.
What are your strengths and weaknesses as an engineer?
How do you handle disagreements within a team?
Explain the concept of eventual consistency.
What are the trade-offs between SQL and NoSQL databases?
How do you ensure the scalability of a web application?
Describe your experience with cloud platforms (AWS, Azure, GCP).
How do you approach code reviews?
Tell me about a time you failed and what you learned from it.
What are your thoughts on microservices vs. monoliths?
How do you stay updated with new technologies?

Location-Based Differences

Sydney

Interview Focus

Deep dive into distributed systems and cloud architecture.Emphasis on leadership and technical mentorship.Understanding of specific Atlassian product challenges and solutions.Experience with large-scale data processing and analytics.

Common Questions

Describe a complex technical challenge you faced and how you overcame it.

How do you approach designing a scalable and reliable system for [specific Atlassian product context, e.g., Jira issue tracking]?

Tell me about a time you had to influence a team's technical direction.

What are your thoughts on the latest trends in cloud-native development and microservices?

How do you ensure code quality and maintainability in a large codebase?

Tips

Familiarize yourself with Atlassian's core products (Jira, Confluence, Bitbucket) and their underlying architectures.
Be prepared to discuss your experience with AWS/Azure/GCP in detail.
Highlight instances where you've led technical initiatives or mentored other engineers.
Research common challenges in distributed systems and how Atlassian addresses them.

San Francisco

Interview Focus

Focus on front-end and back-end integration, user experience.Experience with agile methodologies and CI/CD pipelines.Problem-solving in a fast-paced, collaborative environment.Understanding of data structures and algorithms for performance.

Common Questions

How would you design a real-time collaboration feature for a product like Confluence?

Discuss your experience with performance optimization in high-traffic applications.

Tell me about a time you disagreed with a technical decision and how you handled it.

What are your strategies for debugging complex issues in a distributed environment?

How do you stay updated with new technologies and programming paradigms?

Tips

Showcase your understanding of front-end frameworks and back-end technologies relevant to Atlassian's stack.
Be ready to discuss your contributions to open-source projects or significant personal projects.
Emphasize your ability to work effectively in cross-functional teams.
Prepare examples of how you've improved system performance or user experience.

Austin

Interview Focus

Emphasis on system design, scalability, and reliability.Experience with cloud infrastructure and DevOps practices.Leadership qualities and ability to influence technical decisions.Understanding of security principles and implementation.

Common Questions

Describe a situation where you had to make a significant technical trade-off.

How do you approach designing for fault tolerance and disaster recovery?

Tell me about a time you mentored a junior engineer and helped them grow.

What are your thoughts on the evolution of microservices and serverless architectures?

How do you ensure security best practices are followed in your code?

Tips

Be prepared to discuss your experience with cloud platforms like AWS, Azure, or GCP.
Highlight your contributions to improving system architecture and performance.
Showcase your ability to mentor and guide other engineers.
Research Atlassian's approach to security and compliance.

Process Timeline

1
Data Structures and Algorithms45m
2
System Design and Architecture60m
3
Behavioral and Cultural Fit45m
4
Hiring Manager Discussion45m

Interview Rounds

4-step process with detailed breakdown for each round

1

Data Structures and Algorithms

Assess core coding skills with data structures and algorithms problems.

Technical Interview (Coding)Medium
45 minSoftware Engineer

This round focuses on your core programming skills. You will be asked to solve one or two coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to write clean, efficient, and correct code, as well as your problem-solving approach and communication skills.

What Interviewers Look For

Strong grasp of fundamental data structures and algorithms.Ability to translate a problem into working code.Clear communication of the approach.Attention to detail and edge case handling.

Evaluation Criteria

Correctness of the solution.
Efficiency of the solution (time and space complexity).
Code clarity and readability.
Ability to explain the thought process.
Handling of edge cases and error conditions.

Questions Asked

Given an array of integers, find the contiguous subarray with the largest sum.

ArrayDynamic Programming

Implement a function to reverse a linked list.

Linked ListPointers

Find the kth smallest element in a binary search tree.

TreeBinary Search TreeRecursion

Given two strings, determine if one is an anagram of the other.

StringHash MapSorting

Preparation Tips

1Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte.
2Focus on understanding the underlying data structures and algorithms.
3Practice explaining your thought process out loud as you code.
4Be prepared to discuss time and space complexity.

Common Reasons for Rejection

Inability to articulate thought process clearly.
Lack of fundamental understanding of data structures and algorithms.
Poor coding practices (e.g., no error handling, inefficient solutions).
Difficulty in solving even basic algorithmic problems.
2

System Design and Architecture

Assess system design and architectural skills for complex problems.

System Design InterviewHard
60 minSenior Software Engineer / Architect

This round evaluates your ability to design and architect software systems. You'll be presented with a high-level problem and asked to design a solution, considering aspects like scalability, reliability, performance, and maintainability. Expect to discuss various components, data models, APIs, and potential trade-offs.

What Interviewers Look For

Ability to design complex systems from scratch.Understanding of distributed systems principles.Pragmatic approach to problem-solving.Ability to justify design choices.Consideration of various system components (databases, caching, APIs, etc.).

Evaluation Criteria

Scalability of the proposed design.
Reliability and fault tolerance.
Clarity and completeness of the design.
Understanding of trade-offs (e.g., consistency vs. availability).
Knowledge of relevant technologies and patterns.

Questions Asked

Design a URL shortening service like bit.ly.

System DesignScalabilityAPI Design

Design a system to handle real-time notifications for a social media platform.

System DesignWebSocketsScalability

Design a distributed key-value store.

System DesignDistributed SystemsConsistency

How would you design a system to process and analyze large volumes of user activity data?

System DesignBig DataData Pipelines

Preparation Tips

1Study common system design patterns (e.g., microservices, event-driven architecture).
2Understand concepts like load balancing, caching, database sharding, and replication.
3Practice designing systems for common applications (e.g., social media feed, URL shortener, chat application).
4Be prepared to draw diagrams and explain your design choices clearly.

Common Reasons for Rejection

Inability to design a scalable and robust system.
Lack of consideration for trade-offs and constraints.
Poor understanding of distributed systems concepts.
Failure to address potential failure points or bottlenecks.
3

Behavioral and Cultural Fit

Assess soft skills, teamwork, and cultural fit through behavioral questions.

Behavioral InterviewMedium
45 minHiring Manager / Senior Team Member

This round focuses on your behavioral and situational responses. The interviewer will ask questions about your past experiences to understand how you handle various work scenarios, including teamwork, leadership, conflict resolution, and dealing with ambiguity. The goal is to assess your soft skills and cultural fit.

What Interviewers Look For

How you handle challenges and conflicts.Your ability to work with others.Your motivation and passion for technology.Your alignment with Atlassian's culture.Your potential to grow within the company.

Evaluation Criteria

Communication skills.
Teamwork and collaboration.
Problem-solving approach.
Leadership potential.
Cultural fit with Atlassian's values.
Self-awareness and ability to learn from mistakes.

Questions Asked

Tell me about a time you had a conflict with a colleague and how you resolved it.

BehavioralConflict ResolutionTeamwork

Describe a project where you took initiative or demonstrated leadership.

BehavioralLeadershipInitiative

How do you handle constructive criticism?

BehavioralFeedbackGrowth Mindset

What motivates you in your work?

BehavioralMotivationCareer Goals

Tell me about a time you failed. What did you learn?

BehavioralFailureLearning

Preparation Tips

1Prepare examples using the STAR method (Situation, Task, Action, Result) for common behavioral questions.
2Reflect on your strengths, weaknesses, and career goals.
3Be ready to discuss why you are interested in Atlassian and this specific role.
4Show enthusiasm and a positive attitude.

Common Reasons for Rejection

Lack of clear communication or inability to articulate thoughts.
Negative attitude or poor collaboration skills.
Inability to provide specific examples for behavioral questions.
Lack of alignment with company values.
Arrogance or unwillingness to learn.
4

Hiring Manager Discussion

Final discussion with the hiring manager about career goals, leadership, and team fit.

Managerial / Hiring Manager InterviewHard
45 minEngineering Manager / Director

This final round is typically with the hiring manager or a senior leader. It's a chance to discuss your career aspirations, leadership style, and how you envision contributing to Atlassian at a senior level. They will assess your overall fit, leadership potential, and strategic thinking.

What Interviewers Look For

Senior-level judgment and decision-making.Ability to mentor and elevate the team.Proactive problem-solving and ownership.Alignment with the team's goals and Atlassian's mission.Passion for building great products.

Evaluation Criteria

Technical leadership and mentorship capabilities.
Strategic thinking and impact on the team/product.
Ability to influence and drive technical decisions.
Collaboration and communication with peers and stakeholders.
Overall fit with the team and company culture.

Questions Asked

What are your long-term career goals, and how does this role fit into them?

Career GoalsMotivation

How would you mentor a junior engineer who is struggling with a particular technology?

MentorshipLeadershipCoaching

Describe a time you had to influence a team to adopt a new technology or approach.

InfluenceTechnical LeadershipChange Management

What do you think are the biggest challenges facing our team/product, and how would you address them?

Strategic ThinkingProblem SolvingProduct Vision

What are your salary expectations?

CompensationExpectations

Preparation Tips

1Be prepared to discuss your career goals and how this role aligns with them.
2Think about how you can contribute to the team's success and mentor junior engineers.
3Showcase your understanding of the impact you can make.
4Ask insightful questions about the team's roadmap, challenges, and culture.

Common Reasons for Rejection

Lack of alignment with the team's technical direction.
Inability to demonstrate senior-level thinking or impact.
Poor communication or interpersonal skills.
Lack of enthusiasm or engagement.
Unrealistic salary expectations not aligned with the role.

Commonly Asked DSA Questions

Frequently asked coding questions at Atlassian

View all
Two SumEASYLongest Substring Without Repeating CharactersMEDIUMContainer With Most WaterMEDIUMInteger to RomanMEDIUM3SumMEDIUMFind First and Last Position of Element in Sorted ArrayMEDIUMTrapping Rain WaterHARDJump Game IIMEDIUMGroup AnagramsMEDIUMMaximum SubarrayMEDIUM