Lawrence Song

Principal Engineer. Former CTO.

20+ years building and scaling software platforms: cloud accounting, ad tech and fintech media. I work on hard architecture problems and on the teams that have to live with them.

I'm a Principal Engineer at Atlassian in Melbourne. Before that I was CTO of Livewire Markets and Market Index, and I spent the years before that building products at MYOB, Unlockd and SEEK.

The best way to reach me is email: .

Experience

Principal Engineer, Atlassian

2025 – present · Melbourne

Chief Technology Officer, Livewire Markets and Market Index

2021 – 2025 · Melbourne

Hands-on CTO working with the executive team on OKRs, shared services and a unified design system. Moved sites to server-side rendering with Nuxt and CDN caching, taking Lighthouse scores from 30 to 90. Built a cross-brand design system in Storybook. Introduced infrastructure-as-code on AWS CDK with auto-scaling, cutting monthly operating costs by 50%. After an acquisition, consolidated duplicated tech stacks into shared services.

Senior Consultant, SEEK

2018 – 2021 · Melbourne

Raised release velocity to multiple safe deploys a day with continuous delivery. Migrated a legacy monolith to Elasticsearch and AWS serverless services, and moved the backend of a key product to GraphQL and microservices. Mentored junior and graduate engineers.

Engineering Director, Unlockd

2017 – 2018 · Melbourne

Led engineering for a mobile advertising platform that rewarded users for viewing ads on their lockscreens. Processed 700M+ events a day. Cut Android build time by 70% with a micro-frontend architecture. Supported expansion into the US, UK and Asia with telco partners.

Platform Architect, MYOB

2011 – 2017 · Melbourne

Led the design of MYOB's first cloud accounting products. Built Cashbook from scratch in six months, a product projected to bring in $10M a year. Introduced React, a shared design system and micro-frontends to break up a large monolith. Managed and mentored ten engineers through a move to Agile, continuous delivery and DevOps.

Lead Consultant, ThoughtWorks

2006 – 2011 · Melbourne

Agile transformation and delivery for Macquarie, Suncorp, AXA, CGU, Sensis and Lonely Planet. Recovered projects that had been written off.