Software Engineer II - AI Service Platform

About the role

Atlassian is hiring a Software Engineer II for its Kairos team, which is part of the Jira Service Management AI mission. The team builds intelligent service experiences that help customers resolve requests faster, working on backend platforms, service integrations, AI-assisted workflows and production readiness. The role is full-time and can be done remotely or from an Atlassian office.

Key responsibilities

• Design, build and ship backend services and platform capabilities that support AI-powered service experiences in Jira Service Management.
• Help productionize machine learning capabilities such as models, signals, ranking, decisioning and evaluation flows with ML, data and product teams.
• Own complex tasks and scoped projects end-to-end, from technical design through rollout, validation and post-launch improvements.
• Write high-quality, maintainable code and improve reliability, observability, performance and operational readiness of services.
• Evaluate the impact of delivered capabilities using data, experiments and production signals.
• Take part in code reviews and collaborate across functions to turn customer and business problems into scalable backend and ML-supported solutions.

Required profile

• 4+ years of experience building backend applications or platforms in production environments.
• Bachelor's or Master's degree in Computer Science, Machine Learning, Software Engineering or a related field, or equivalent practical experience.
• Experience delivering machine learning, AI or data-powered capabilities into production software, beyond experimentation.
• Experience with data pipelines, feature or signal integration, model-serving patterns, evaluation frameworks or production inference workflows.

Required skills

• Strong programming in one or more modern languages such as Java, Kotlin, Python, Go or Scala.
• Scalable distributed systems, microservices, APIs and event-driven or asynchronous architectures.
• Databases and storage systems, including relational and/or NoSQL.
• Familiarity with cloud platforms and secure, observable, reliable services at scale.