Atlassian
Senior Machine Learning Engineer, AI-Native Evaluation & Search
$171K–$269K
San Francisco, United States +3 · Senior · Full-time · Posted Oct 28, 2026
- Location
- San Francisco, United States
Remote, Remote
Mountain View, United States or Remote
Seattle, United States - Experience
- At least 4 years developing and deploying machine-learning or AI systems in production.
- Education
- Bachelor’s or Master’s degree in Computer Science, Machine Learning, Data Science, or a related field, or equivalent experience.
About the job
Develops and productionizes machine-learning systems for search and AI products, with a focus on evaluation-driven development across the ML lifecycle.
What you'll do
- Build and deploy models and AI systems for search, retrieval, ranking, recommendations, conversational experiences, and agentic workflows.
- Design evaluation datasets, metrics, benchmarks, and pipelines; assess model quality and use findings to guide improvements.
- Own projects from problem definition through deployment, monitoring, and iteration; collaborate across teams and mentor engineers.
What they ask for
- Bachelor’s or Master’s degree in Computer Science, Machine Learning, Data Science, or a related field, or equivalent experience.
- At least 4 years of experience developing and deploying machine-learning or AI systems in production.
- Strong Python skills and experience with Java, Kotlin, TypeScript, or another production language.
- Experience with SQL, large-scale data processing, model evaluation, and cloud-based ML or data platforms.
Nice to have
- Experience with AI-native products, RAG, conversational assistants, or tool-using agents.
- Experience with evaluation-driven development, search relevance, LLMs, or ML platforms.
Pay
$206,100 - $269,075 USD base salary; $185,490 - $242,168 USD base salary; $171,063 - $223,332 USD base salary
Tools
Python, Java, Kotlin, TypeScript, SQL, Spark, AWS, Databricks
AI focus
Builds AI-native search, retrieval, ranking, conversational, and agentic systems; develops evaluation datasets, benchmarks, and pipelines and assesses model behavior and quality.
Model-written summary · the original posting is authoritative