Principal Software Engineer - AI & ML Platform

Working at Atlassian
Atlassians can choose where they work - whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Interviews and onboarding are conducted virtually, a part of being a distributed-first company.
About Central AI Org
Our organisation is designed to accelerate AI innovation across all our products and platform, provide cohesive AI experiences and setup up an Atlassian AI infrastructure for the future. Our purpose is to:

1. Build horizontal AI capabilities and infrastructure which provides leverage across products
2. Build a centralised Search, Q&A and Conversational AI across all Atlassian products.
3. Explore integration of Atlassian products with AI products outside Atlassian.

About AI & ML Platform Team
Our team is building the foundations to democratise Machine Learning for Atlassian's teams, customers and ecosystem. Our goal is to create tools that are user-friendly and reliable, ensuring that Atlassian teams can easily embrace and utilize them. These tools will facilitate the development, deployment, measurement, and operation of AI & ML experiences. They will seamlessly integrate with the Atlassian Data Platform, enabling teams to efficiently and rapidly incorporate AI & ML capabilities into their workflows. The focus is on providing a smooth and hassle-free experience for Atlassian users, allowing them to leverage the power of AI & ML without any complications.
Job description
As a Principal Engineer on the AI & ML Platform team, you will build and shape the core infrastructure to allow software engineers, ML engineers & data scientists to develop, train, evaluate, deploy, and operate Machine Learning models and pipelines. Along with that, you will build systems for product teams like Jira & Confluence to provide access to curated LLMs. You will use your software development expertise to solve difficult problems, tackling complex infrastructure and architecture challenges.
You will have the opportunity to lead engineers to drive involved projects from technical design to launch. You will also collaborate with other teams and internal customers to set expectations, gather input and communicate results.
In this role, you'll get the chance to:

• Regularly tackle the largest and most complex problems in the team, from technical design to launch.
• Deliver solutions that are used by other teams and products.
• Routinely tackle complex architecture challenges and defines architectural standards.
• Lead code reviews & documentation as well as take on complex bug fixes, especially on high-risk problems.
• Partner across engineering teams to take on company-wide initiatives spanning multiple projects.
• Mentor junior members on the team.

Our tech stack is primarily Java/Kotlin built on AWS.
On your first day, we'll expect you to have

• Fluency in at least one modern object-oriented programming language (preferably Java/Kotlin and Python).
• Understanding of Machine Learning project lifecycle and tools.
• Experience in architecting and implementing high-performance RESTful microservices.
• Experience building and operating large scale distributed systems using Amazon Web Services (S3, Kinesis, Cloud Formation, EKS, AWS Security and Networking).
• Experience with Continuous Delivery and Continuous Integration.

It would be great, but not required if you have

• Expert-level SQL knowledge, query tuning, schema design, and ETL processes.
• Experience with Databricks or Apache Spark.
• Experience with Amazon Sagemaker.
• Experience with scaling and deploying Machine Learning models.
• Experience with using LLMs.

Our perks & benefits
Atlassian offers a variety of perks and benefits to support you, your family and to help you engage with your local community. Our offerings include health coverage, paid volunteer days, wellness resources, and so much more. Visit go.atlassian.com/perksandbenefits to learn more.
About Atlassian
At Atlassian, we're motivated by a common goal: to unleash the potential of every team. Our software products help teams all over the planet and our solutions are designed for all types of work. Team collaboration through our tools makes what may be impossible alone, possible together.
We believe that the unique contributions of all Atlassians create our success. To ensure that our products and culture continue to incorporate everyone's perspectives and experience, we never discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. All your information will be kept confidential according to EEO guidelines.
To provide you the best experience, we can support with accommodations or adjustments at any stage of the recruitment process. Simply inform our Recruitment team during your conversation with them.
For San Francisco Only: Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
To learn more about our culture and hiring process, visit go.atlassian.com/crh