Atlassian's Senior SWE interview includes: 1) Phone screening with coding and system design (60 min), 2) Technical assessment covering senior-level architecture (90 min), 3) On-site loop with advanced coding, system design, technical leadership, and behavioral rounds. You'll design collaboration tools, solve complex distributed systems problems, demonstrate mentoring experience, and show technical leadership. Focus on enterprise-scale solutions and team collaboration platforms.

Essential senior skills include: Java/Scala for enterprise systems, distributed systems and microservices, database design and optimization, cloud platforms (AWS), and API design. Key areas: real-time collaboration systems, workflow engines, plugin architectures, multi-tenancy, and enterprise integration patterns. Leadership skills: mentoring, technical decision-making, architecture reviews, and cross-team collaboration. Experience with DevOps tools and agile development practices is valuable.

Atlassian system design focuses on: building collaboration platforms ('Design a real-time document editor like Confluence'), workflow management ('Scale Jira for enterprise customers'), integration systems ('Build a platform for third-party integrations'), and enterprise features ('Design role-based access control'). Emphasize multi-tenancy, real-time synchronization, plugin ecosystems, and scaling challenges for collaboration tools.

Deep understanding of collaboration and enterprise software is crucial. Key areas include: agile development workflows, team collaboration patterns, enterprise security requirements, developer productivity tools, and DevOps practices. Study Atlassian's products (Jira, Confluence, Bitbucket, Trello), understand their integration ecosystem, and learn about challenges in scaling collaboration tools. Show passion for improving team productivity and developer experience.

Atlassian Senior Software Engineer compensation (2024 data): Senior: $140k-185k base, $220k-350k total; Senior II: $160k-210k base, $270k-430k total; Principal: $185k-240k base, $350k-550k total. Includes base salary, equity, and performance bonuses. Excellent benefits, learning budget, and flexible work. Career growth through technical leadership, architecture specialization, or transition to principal engineering and engineering management roles.