Principal Software Engineer

Principal Software Engineer

Engineering | Full-Time

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About the TeamThe Audit Platform team is at the forefront of how Atlassian builds, maintains, and scales customer trust. In an era where work is performed by both humans and autonomous AI agents, our mission is to deliver trustworthy, real-time visibility into every meaningful action across the Atlassian ecosystem empowering organizations to answer "who (or what) did what, when, where, and why" with absolute confidence.

We build high-throughput, distributed streaming and storage systems that capture billions of activity and policy decision events at massive scale. Beyond defensible compliance logging, our platform acts as the intelligence backbone powering AI & Non-Human Identity governance, Insider Risk Management, and real-time security investigations across Cloud products.

About the RoleAtlassian is looking for an experienced and talented Principal Fullstack Engineer to join the Audit Platform team. You'll help build the platform that captures, stores, and surfaces audit events at massive scale, powering compliance, security investigations, and customer trust across the Atlassian ecosystem.

You'll be part of a team at the spearhead of how Atlassian earns and keeps customer trust. As an engineer well into your career, you're an expert at what you do, with a breadth of experience across frontend and backend technologies and a track record of architecting and building large-scale distributed systems. You have a deep understanding of scale, performance, cost, maintainability, and extensibility in production systems used by millions of users daily. In this role, you'll take on a high level of technical responsibility and ownership while acting as a role model and mentor to the engineers around you.

Your greatest responsibility will be to ensure timely delivery of projects with utmost quality spanning multiple teams, identifying and managing dependencies, creating win-win-win situations for all teams involved, in turn creating win for Atlassian.

This is a unique role which requires a combination of engineering excellence, operational excellence and execution excellence while balancing quality and speed. You will have a lot of autonomy and accountability and a team of brilliant engineers to support you in this journey.

• Define the architecture and roadmap that continuously support hyper customer growth at Atlassian
• Regularly tackle the largest and most complex problems on the team, from technical design to launch
• Propose libraries and shared components that unlock the potential of other Atlassian teams
• Routinely solve complex architecture challenges and set the standards that new projects are built on
• Champion a high technical bar across the org, and evangelize engineering best practices
• Partner across engineering teams to drive company-wide initiatives spanning multiple projects
• Transfer your depth of knowledge and raise the level of engineering excellence around you
• Grow the people around you, coaching engineers, elevating their skills, and helping them do the best work of their careers
• Expert-level fullstack proficiency, with strong command of both frontend (TypeScript/React/Javascript/Html/CSS) and backend (Kotlin/Java) technologies
• Strong backend engineering experience building and operating scalable, high-availability services and APIs
• Experience architecting and building large-scale distributed systems, with a solid grasp of scale, performance, cost, and reliability trade-offs
• Experience with event-driven or streaming architectures and high-throughput data pipelines
• Experience with modern frontend frameworks (e.g., React)
• Experience with modern testing frameworks (e.g., Jest, playwright, Cypress)
• Expertise building shared libraries and components used across multiple web applications
• Strong written and verbal communication skills, with the ability to clearly explain complex technical concepts and trade-offs to a wide range of audiences, from engineers to senior stakeholders
• A passion for solving complex problems with users in mind
• A passion for mentoring and collaborating with others on the team
• A passion for learning and continuously improving yourself and the team around you

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