Full-time | Hybrid | Sydney
Checkbox is an Australian scale-up building AI-first SaaS for enterprise legal teams. We have an established product in market, two new greenfield technology products, and a growing global customer base across Australia, the US, and Asia.
We are now embarking on a major new project to transform our SaaS ecosystem into agentic-first products, using AI agents and intelligent workflow automation to change how legal work is raised, routed, managed and resolved.
We are backed by Touring Capital, Peak XV, previously Sequoia APAC, and Tidal VC. We are building a culture where people feel trusted, supported, and empowered to do their best work on complex engineering problems with real customer impact.
At Checkbox, you will help build modern AI-first SaaS software as part of a tight-knit engineering team.
You will contribute to a codebase built primarily in Golang, developing high-performance backend services and event-driven systems that support the next generation of agentic AI products across our platform.
Languages and Frameworks: Golang, Go Standard Library
Infrastructure and Architecture: AWS, Amazon SQS, Docker, Kubernetes, PostgreSQL, event-driven services, Pub/Sub patterns
Design, architect and build complex backend features
Build and maintain high-performance, scalable services in Golang
Contribute to a future-ready, high-quality and performant codebase
Help build event-processing systems that support AI-first and agentic product experiences
Share technical ideas through design reviews and code reviews
Champion best-practice engineering standards and processes
5+ years of commercial experience building complex, enterprise software systems
Experience working with HTTP requests in Go, Gin or the Go Standard Library
Working knowledge of event-driven systems, including encryption/decryption of events or Pub/Sub patterns
Understanding of performance principles in modern web development
Production experience with PostgreSQL or other SQL databases
Interest in AI-first products, agentic AI systems or intelligent workflow automation
Growth mindset and commitment to ongoing professional development
Ability to produce effective, reliable and clean code
Positive and collaborative attitude to work
Experience building BPM, workflow or low-code/no-code software platforms
Experience with Docker, Kubernetes, AWS and/or CI/CD tools
Experience working in a fast-paced start-up environment
Experience working on AI products, agentic workflows, event-driven orchestration or automation-heavy systems
Ability to deliver quickly, on time and at high quality
Competitive salary
Hybrid working with team days in our Sydney CBD office
Personal learning and development budget
Flexible leave policy
Expense policy and salary sacrifice options
CBD start-up hub with snacks, drinks, premium coffee and team socials
Company-wide social events and annual off-sites to locations like Australia, Bali and Korea
Transparent, flat culture where questions and feedback are welcomed
