Atlassian · 4 hours ago
Lead Principal AI Engineer -- Teamwork Graph
San Francisco, CA
Full-time
Hybrid
Lead/Staff
$280K/yr - $365K/yr
15+ years expAtlassian is a company focused on unleashing the potential of every team through their software products. They are seeking a Lead Principal AI Engineer to define the architecture and build next-generation AI applications, working at the intersection of research and product engineering to enhance user workflows.
CollaborationEnterprise SoftwareSaaSSoftware
Responsibilities
Design and build autonomous agents capable of reasoning, planning, and tool execution over the Atlassian Knowledge Graph
Serve as the technical anchor for the organization
Collaborate with VPs and Distinguished Engineers to shape the long-term AI architecture
Lead decisions on model selection (proprietary vs. open source), context window management, and retrieval strategies (GraphRAG)
Drive the strategy for fine-tuning models on domain-specific Atlassian data when necessary
Architect robust evaluation frameworks (Evals) to measure agent performance, hallucination rates, and reasoning capabilities at scale
Integrate these capabilities directly into flagship products
Use your strong product sense to ensure AI features solve real user problems
Qualification
Required
15+ years of engineering experience with a significant focus on Applied AI/ML
Experience driving technical strategy across multiple teams or the whole company
Shipped complex LLM-backed applications to production
Understanding of the nuances of ReAct loops, tool calling, function schemas, and managing state in agentic workflows
Understanding how to leverage graph structures (Nodes/Edges) to enhance retrieval
Knowledge of how to bridge structured data with unstructured semantic search
Expertise in distributed systems
Ability to design architectures that are scalable, secure, and cost-effective (token economics)
Ability to bridge the gap between 'what is possible with AI' and 'what brings value to the customer.'
Comfortable saying 'no' to cool tech that doesn't solve a user need
Core technologies: Python, PyTorch, Graph Databases (e.g., Neptune, Neo4j), Vector Stores (e.g., Milvus, Pinecone)
Familiarity with Large Context LLMs (GPT-5, Gemini, Claude), MCP, LangChain/LangGraph, Custom Eval Harnesses
Experience with Enterprise Knowledge Graphs, Semantic Search, Hybrid Search (Keyword + Vector + Graph)
Benefits
Health and wellbeing resources
Paid volunteer days
Benefits
Bonuses
Commissions
Equity
Company
Atlassian
Atlassian is a software company that offers proprietary software products for teamwork, project management, and software development.
10001+ employees
H1B Sponsorship
Atlassian has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (263)
2024 (184)
2023 (190)
2022 (259)
2021 (156)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$210MKey Investors
T. Rowe PriceAccel
2015-12-10IPO
2014-04-08Secondary Market· $150M
2010-07-14Series A· $60M
Leadership Team
Michael Cannon-Brookes
CEO and Co-Founder
Scott Farquhar
Co-Founder and Board Member
Recent News
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2025-12-26
2025-12-21
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