Senior Machine Learning Engineer

At Atlassian, we’re on a mission to unleash the potential of every team. As part of that mission, we're investing deeply in Generative AI (GenAI) — pioneering advanced modeling and rapid innovations that accelerate how teams work, discover, and create. We’re seeking a Senior Machine Learning Engineer (P50) to join our new GenAI Modeling & Innovation Forge in Singapore.

You’ll be part of a small, high-impact tiger team focused on advanced GenAI modeling, rapid prototyping, and applied research— building the next generation of AI-driven innovations across Atlassian. What You'll Do 1. Build and Apply Advanced GenAI Models Develop and fine-tune Large Language Models (LLM) and embeddings for Atlassian’s unique knowledge and enterprise data.

Implement Retrieval-Augmented Generation (RAG), hybrid retrieval, and knowledge-grounded modeling approaches. Work hands-on with modern frameworks, contributing directly to high-value prototypes and experiments. 2.

Prototype and Experiment Quickly Build proof-of-concept systems for GenAI-powered assistants, agentic workflows, and innovative user experiences. Run experiments, collect feedback, and iterate fast to validate impact. Design and implement evaluation methods for quality, groundedness, and user value.

3. Collaborate and Contribute Work closely with peers across Machine Learning (ML), engineering, and product teams to bring new ideas to life. Share learnings, contribute to team best practices, and help establish the Forge as a hub of in