{"id":3267927,"url":"https://alion.io/job/atlassian-principal-software-engineer-10","title":"Principal Software Engineer","company":{"id":182,"name":"Atlassian","domain":"atlassian.com","url":"https://alion.io/company/atlassian","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"A","score":100,"open_postings":20,"ghost_share":0,"stale_share":0,"repost_share":0.05,"time_to_fill_p50_days":10,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Kotlin","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"AI Agents","optional":true}],"status":"live","first_seen_at":"2026-10-26T10:23:38Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-31T22:00:43Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"About the Team\nThe 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.\nWe 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.\nAbout the Role\nAtlassian 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.\nYou'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. 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You will have a lot of autonomy and accountability and a team of brilliant engineers to support you in this journey.\nResponsibilities\nDefine the architecture and roadmap that continuously support hyper customer growth at Atlassian\n\nRegularly tackle the largest and most complex problems on the team, from technical design to launch\n\nPropose libraries and shared components that unlock the potential of other Atlassian teams\n\nRoutinely solve complex architecture challenges and set the standards that new projects are built on\n\nChampion a high technical bar across the org, and evangelize engineering best practices\n\nPartner across engineering teams to drive company-wide initiatives spanning multiple projects\n\nTransfer your depth of knowledge and raise the level of engineering excellence around you\n\nGrow the people around you, coaching engineers, elevating their skills, and helping them do the best work of their careers\n\nQualifications\nExpert-level fullstack proficiency, with 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