Andrew Duck, Developer in Sydney, New South Wales, Australia
Andrew is available for hire
Hire Andrew

Andrew Duck

Verified Expert  in Engineering

Strategy Developer

Sydney, New South Wales, Australia
Toptal Member Since
January 23, 2020

A seasoned CTO, Andrew has over 18 years of experience founding, growing, and exiting startups and major companies. Working across government, media, hospitality, and blockchain-related industries, he has secured partnerships with the world's largest companies and driven over $100 million growth. Andrew has architected, launched, and grown platforms to support hundreds of millions of users globally.


Node.js, React, React Native, MySQL, PHP
Undisclosed Startup
MySQL, WebSockets, Redis, PHP, Vue
Vue, MySQL, CockroachDB, RabbitMQ, Redis, React Native, Go, Hyperledger Fabric...




Preferred Environment

Kubernetes, Docker, CentOS, RHEL, PhpStorm, Atom

The most amazing...

...project I've developed is the largest distributor of media in the world—serving hundreds of millions of customers across 206 countries.

Work Experience

Board Member, Advisor to CEO and CTO

2018 - PRESENT
  • Advised the CEO on hiring a remote team, conducting interviews, onboarding, and managing team responsibilities.
  • Provided advice to the CTO on technology changes to support the addition of a new website and mobile application to support the business.
  • Gave advice to the CTO on scaling existing infrastructure to support peak traffic following significant media exposure of a recent funding round.
  • Joined the board of directors to support continued business growth, strategy, product, and technical direction.
Technologies: Node.js, React, React Native, MySQL, PHP


2018 - PRESENT
Undisclosed Startup
  • Architected a fintech-based secondary markets platform to allow a peer-to-peer exchange of futures contracts.
  • Built and led a team to develop the platform and launch it into production.
  • Handled vendor selection and technical engagements for partnerships and new business opportunities.
Technologies: MySQL, WebSockets, Redis, PHP, Vue


2017 - PRESENT
  • Developed a decentralized attestation and verification network to prevent the forgery and counterfeiting of documents, licenses, and credentials.
  • Architected and built attestation schemas on top of Hyperledger Fabric to provide immediate verifications for government and multinational entities across the network.
  • Built and led the engineering, product, business, and operations teams necessary to launch the company.
  • Partnered with leading international universities and governments on developing standards for interoperability and data protection across borders.
  • Delivered a self-sovereign identity management solution bundled into mobile applications for end-users to manage and share their documents, licenses, and credentials.
  • Implemented embeddable widgets for employers to access shared network data from within their existing HR tools with minimal integration effort.
Technologies: Vue, MySQL, CockroachDB, RabbitMQ, Redis, React Native, Go, Hyperledger Fabric, Node.js, PHP


2014 - 2017
  • Increased product lines from two to ten over three years, leading to new B2B and B2C revenue opportunities.
  • Replatformed the underlying technology stack that had previously powered the company for the previous ten years to improve responsiveness, decrease the page load and API response times, and simplify partner interactions with the business.
  • Developed and launched an app automation platform to deliver thousands of in-market iOS, Android, and Windows mobile and tablet applications for the world's leading publishers.
  • Architected and launched a digital version of the New York Times International Weekly partnered with the world's leading national newspapers.
  • Delivered content syndication APIs for Amazon and Relay, providing content for their respective marketplaces.
  • Handled thousands of servers and computed instances across AWS EC2, VMWare and colocated hardware (RHEL, CentOS, Ubuntu, Alpine, and Windows).
  • Architected and delivered an analytics platform for mobile devices in Go to capture 100s of millions of data points a day.
Technologies: MongoDB, Redshift, Microsoft SQL Server, MySQL, Redis, Ruby, C++, Java, Kotlin, Swift, Symfony, PHP

Founder, MD and CTO

2011 - 2014
Audience Media
  • Organized and led a team of over 70 to build the world's first multi-channel editorial management system to streamline editorial and publishing operations in print and digital for magazine and newspaper publishers.
  • Architected an Adobe InDesign plugin to simplify designing magazines and the content flow from the Audience Media platform into InDesign.
  • Developed a flat-planning tool to lay out and plan magazine and newspaper layouts visually.
  • Architected and launched an automated application development platform to launch branded iOS and Android applications for publishers.
  • Implemented a distributed content model allowing assets to be housed within geographic regions relevant to the publisher, speeding up response times, and improving customer satisfaction.
  • Led product management, design, engineering, quality assurance, operations, HR, and project departments as the company grew from one to over 70 employees.
  • Built and developed a Go-based image and video asset management system that automatically transcoded, subtitled, and resized assets for consumer web and mobile devices.
  • Constructed a distributed, highly available network infrastructure for global media distribution across multiple data centers and AZs using VPNs and VPCs.
  • Architected and developed Adobe InDesign/InCopy plugins for MacOSX and Windows.
Technologies: MongoDB, Python, Ruby, Amazon S3 (AWS S3), MySQL, Java, Objective-C, Go, Redis, PHP

Founder and CTO

2008 - 2014
  • Architected and oversaw the development of the Japanese Wall Street Journal.
  • Provided training and consulting services for eZ Publish-related installations for the entire southern hemisphere and Asia.
  • Partnered with a leading provider of education and curriculum development services to deliver technology direction and development for the Ministries of Education and Health for the New Zealand government.
  • Developed online booking systems for hotel chains in conjunction with Micros POS systems for global hotel chains, including the Hilton, Hyatt, and Intercontinental.
  • Deployed and customized SugarCRM and vTiger for enterprise clients in the US/UK.
Technologies: SAML, iOS, Python, Ruby on Rails (RoR), Ruby, PHP, eZ Publish

A document issuance and verification network to reduce instances of the document, license, and credential fraud. As the CTO, I built the team, architected the solution, and led development to deliver a platform used by universities, governments, and multinational companies to protect against fraud.

The largest eCommerce and media distribution platform globally serving the magazine and newspaper industry. I was the CTO of Zinio and responsible for all engineering efforts across web, tablet, mobile, and syndication of content to third parties.

Audience Media

This is the world's first multi-channel editorial management system. I was the founder, MD, and CTO of Audience Media. I led the hiring of 100 engineers to build the platform that underpinned content editing for clients, including The New York Times, Elle, Cosmopolitan, National Geographic, and Oprah, among hundreds of others.

Wall Street Journal Japan
This is the Japanese language edition of The Wall Street Journal. I was CTO and technical architect for the build of the JWSJ project in 2009, including back end, front end, mobile deployments, a wire translation system for translating content into languages and sharing them between bureaus, and a stock alerting system leveraging Dow Jones stock assets.


PHP, Go, Swift, HTML, CSS, JavaScript, Python, Ruby, SAML, Objective-C, Java, Kotlin, C++


Laravel, Symfony, Django, Ruby on Rails (RoR), React Native, Ruby on Rails 4


Stripe, jQuery, Node.js, Vue 2, Vue, React


Jira, SugarCRM, VPN, Git, Atom, PhpStorm, RabbitMQ


Agile, DevOps, REST, Management


Amazon Web Services (AWS), iOS, Linux, Hyperledger, Hyperledger Fabric, Android, Apache Kafka, Kubernetes, Blockchain, CentOS, Docker


MySQL, Redis, Memcached, MongoDB, PostgreSQL, CockroachDB, Realm, Amazon S3 (AWS S3), Microsoft SQL Server, Redshift

Industry Expertise



Freelancing, CTO, CEO, eZ Publish, Consulting, Funding Strategy, Strategy, APIs, Scalability, Content Delivery Networks (CDN), Advisory, Mentorship & Coaching, Leadership, Cloud Security, Fintech, Team Mentoring, Consul, IT Networking, High Availability Disaster Recovery (HADR), RHEL, WebSockets