Senior Backend Engineer - Teamwork Graph API

Atlassian; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Atlassian in Sydney seeks a Senior Software Engineer to build Teamwork Graph externalization and the API foundation connecting Atlassian products. You will code primarily in Kotlin and TypeScript, with some Rust, developing backend services and developer experiences for external APIs.

You will own projects end-to-end, collaborate with Product and Design, and shape scalable, secure systems while balancing usability, performance, and cost.

Qualifications

• 5+ years of professional software engineering experience building backend applications and services.
• Experience shipping customer-facing or developer-facing products.
• Strong programming skills in Kotlin, Java, or TypeScript and designing APIs.
• Experience with distributed systems, databases, cloud infrastructure, and performance.
• Experience owning features from design to production delivery including testing and monitoring.
• Ability to work with Product/Design to clarify requirements and tradeoffs.

Responsibilities

• Own technical projects from problem definition and design through implementation, launch, and operation.
• Build APIs, developer tools, and backend services for Teamwork Graph externalization.
• Design API contracts, error handling, and documentation to ease integration.
• Build and operate scalable services with strong testing, availability, latency, and observability.
• Use feedback and metrics to improve product quality and adoption.
• Collaborate across teams to resolve dependencies and share capabilities.

Skills

Backend engineering

Kotlin

TypeScript

APIs design

Distributed systems

Mentoring

Tools

GraphQL

MCP

CLI

Job description

Atlassian in Sydney seeks a Senior Software Engineer to build Teamwork Graph externalization and the API foundation connecting Atlassian products. You will code primarily in Kotlin and TypeScript, with some Rust, developing backend services and developer experiences for external APIs.

You will own projects end-to-end, collaborate with Product and Design, and shape scalable, secure systems while balancing usability, performance, and cost.