Scale Engineer

Lead Principal Engineer

Software EngineerP80Very High

This interview process is designed to assess candidates for the Lead Principal Engineer (P80) role at Atlassian. It focuses on deep technical expertise, architectural vision, leadership capabilities, and the ability to drive complex projects and mentor other engineers. The process is rigorous and aims to identify individuals who can significantly impact Atlassian's technology strategy and execution.

Rounds·4

Timeline·~21d

Experience·10 - 15 yrs

Comp band·US$180000 - US$250000

Interview time·255 min

Evaluation

What they measure.

  • Depth and breadth of technical knowledge.
  • Ability to design scalable, reliable, and maintainable systems.
  • Strategic thinking and long-term vision for technology.
  • Leadership qualities and ability to influence technical direction.
  • Mentorship skills and commitment to team growth.
  • Problem-solving and analytical skills.
  • Communication and collaboration effectiveness.

Preparation

How to prepare.

Tips

  1. Deep dive into Atlassian's products, mission, and values.
  2. Review your past projects, focusing on challenges, solutions, and impact.
  3. Practice system design problems, focusing on trade-offs and scalability.
  4. Prepare examples that showcase your leadership, mentorship, and influence.
  5. Understand common distributed systems concepts (e.g., CAP theorem, consensus algorithms, microservices patterns).
  6. Brush up on data structures and algorithms, especially those relevant to large-scale systems.
  7. Be ready to discuss your approach to technical debt and code quality.
  8. Familiarize yourself with Atlassian's tech stack and engineering blog.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Foundation & Self-Reflection

Weeks 1-2: Atlassian overview, resume review, distributed systems fundamentals.

Weeks 1-2: Focus on Atlassian's ecosystem, values, and strategic goals. Understand their core products (Jira, Confluence, Bitbucket) and their target markets. Review your resume and identify key projects that demonstrate leadership, architectural design, and problem-solving. Start revisiting fundamental computer science concepts, particularly those related to distributed systems and scalability.

Questions

Commonly asked.

  • Describe a time you had to make a significant technical decision with incomplete information. How did you approach it, and what was the outcome?
  • How do you balance the need for innovation with the need for stability and reliability in a large-scale system?
  • Tell me about a time you disagreed with a senior leader or a team on a technical direction. How did you handle it?
  • What are your strategies for ensuring code quality and maintainability across a large engineering organization?
  • Design a system for real-time collaboration on documents, similar to Google Docs or Atlassian's own collaborative editing features.
  • How do you stay current with emerging technologies and assess their potential impact on Atlassian's products?
  • Describe your experience with performance tuning and optimization in a production environment.
  • How do you foster a culture of psychological safety and continuous learning within your teams?
  • Walk me through a complex system you designed from scratch. What were the key challenges and your solutions?
  • What is your approach to managing technical debt?
  • How would you mentor a team of engineers to adopt a new technology or architectural paradigm?
  • Discuss a time you failed on a project. What did you learn from it?

Locations

Regional differences.

Fig · Regions — 03 locations

01 / 03

Location

Sydney

Interview focus

Technical LeadershipSystem Design & ArchitectureMentorship & Team DevelopmentStrategic ThinkingInfluence & CommunicationSydney: Cross-functional collaboration and product alignment.San Francisco: Scalability, distributed systems, and performance.Bangalore: Process optimization, code quality, and team enablement.

Common questions

  • Discuss a time you had to influence a team to adopt a new technology or architectural pattern. What was the outcome?
  • Describe a complex system you designed. What were the trade-offs you considered, and why did you make those choices?
  • How do you approach mentoring junior engineers and fostering a culture of technical excellence?
  • In our Sydney office, there's a strong emphasis on collaboration with product management. Expect questions about how you translate business requirements into technical solutions.
  • In our San Francisco office, there's a focus on high-scale distributed systems. Be prepared for in-depth questions on fault tolerance, consistency models, and performance optimization.
  • In our Bangalore office, we often see questions related to optimizing development processes and ensuring code quality across large teams. Highlight your experience with CI/CD and automated testing strategies.

Tips

  • For Sydney: Emphasize your ability to work closely with product teams and understand business needs.
  • For San Francisco: Be ready to dive deep into the nuances of distributed systems and large-scale challenges.
  • For Bangalore: Showcase your experience in improving team efficiency and technical standards.
  • Prepare specific examples that demonstrate your impact on technical direction and team growth.
  • Understand Atlassian's current technology stack and strategic goals.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Atlassian.

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Other guides

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