Senior ML Engineer - Remote Agentic LLMs for Contextual AI

Atlassian; Sydney; Remote; AUD 180,000 - 240,000; Full time

Job summary

At Atlassian, a Senior Machine Learning Engineer is sought to join the AI Context team. You will design, build, and operate agentic LLM harness solutions powering high-visibility AI features across Atlassian products.

You will collaborate with SWEs, ML engineers, and product teams across Sydney and beyond, shaping the long-term technical direction while delivering robust, scalable ML systems with ownership and high quality.

Qualifications

• Bachelor's or Master's in CS or related field, or equivalent practical experience.
• 4+ years of ML industry experience, including LLM-based or agentic systems.
• Strong Kotlin and/or Python coding for production-grade code.
• Experience building and operating ML systems in production with reliability and cost focus.
• Experience building datasets, evaluations, and benchmarks at scale (SQL, distributed data, cloud).
• Ownership mindset and ability to drive ambiguous technical outcomes from problem to delivery.
• Strong communication and influencing skills for cross-functional stakeholders.
• Experience leading technical work and coaching engineers in a team or virtual squad.
• Pragmatic, iterative approach balancing quality with delivery and learning.

Responsibilities

• Design, build, ship, and operate agentic LLM harness solutions for existing and new AI features.
• Improve quality and reduce cost across production LLM systems; build evaluation capabilities and contribute to fine-tuning and model serving.
• Set long-term technical direction for LLM harness engineering; navigate complex systems and architect durable paths.
• Act as thought partner to Engineering Managers and Heads of Engineering; influence direction and lead small virtual squads.
• Coach junior engineers and help the team achieve key results.

Skills

Kotlin

Python

ML engineering

Data engineering

Communication

Mentoring

Education

Bachelor's/Master's in CS or related field

Tools

NVIDIA Triton Inference Server

SQL

Distributed data processing

Cloud data environments

Job description

At Atlassian, a Senior Machine Learning Engineer is sought to join the AI Context team. You will design, build, and operate agentic LLM harness solutions powering high-visibility AI features across Atlassian products.

You will collaborate with SWEs, ML engineers, and product teams across Sydney and beyond, shaping the long-term technical direction while delivering robust, scalable ML systems with ownership and high quality.