Platform Backend Engineer for AI Agents

Atlassian; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Atlassian's Gen AI Platform team is enhancing the backbone for production AI agents, providing reusable runtimes, APIs, tools, and operations so product teams can focus on customer experiences.

We are seeking a Software Engineer who enjoys building reliable backend systems and platforms to empower engineers across the org. Join us to own API-backed capabilities and contribute to a scalable agent ecosystem.

Qualifications

• Production backend or platform services experience.
• Proficiency in a language such as TypeScript, Java, Kotlin, Go, or Python.
• Understanding of APIs, asynchronous processing, data storage, cloud infrastructure, and testing.
• Sound judgment around correctness, reliability, maintainability, and delivery trade-offs.
• Strong learning agility and clear communication.
• Experience with AI agents, LLM applications, MCP, developer platforms, distributed runtimes, or Kubernetes is desirable but not required.

Responsibilities

• Build and operate backend services, APIs, libraries, and developer tools for our agent platform.
• Own well-defined capabilities from design through testing, rollout, and production support.
• Develop stable, self-service interfaces for defining agents, connecting tools, and extending platform behaviour.
• Improve reliability, performance, observability, and developer experience.
• Investigate failures across distributed services and agent execution flows.
• Collaborate with product and platform teams and participate in code and design reviews.
• Participate in on-call and turn operational learning into lasting improvements.

Skills

Backend systems

Programming languages

APIs & asynchronous processing

Reliability & maintainability

Communication & learning agility

AI agents / LLM platforms (nice tohave

Tools

Kubernetes

Job description

Atlassian's Gen AI Platform team is enhancing the backbone for production AI agents, providing reusable runtimes, APIs, tools, and operations so product teams can focus on customer experiences.

We are seeking a Software Engineer who enjoys building reliable backend systems and platforms to empower engineers across the org. Join us to own API-backed capabilities and contribute to a scalable agent ecosystem.