About us
We modernise software the way we rebuilt our own
Thisys Technologies Pty Ltd is an Australian software company. We build and run Thisys, an online survey platform, and we bring the method we used to rebuild it to organisations with ageing systems of their own.
Founder
Sahaya Thivearaj
More than 25 years in software, from analyst programmer to leading large technology transformation, platform modernisation and data migration programs in Melbourne. Founded SurveyFace in 2009 and rebuilt it as Thisys in 2026.
TOGAF 9 certified enterprise architect · Enterprise AI Architect
AI Engineer
This seat is open
We are looking for an engineer who rebuilds legacy business systems with AI coding tools and proves the result with tests. We fill this role as client contracts are signed.
What we believe
- Evidence over promises. Tests, validation reports and reconciled migrations, not slideware.
- AI assists; people are accountable. Every change has a person who answers for it.
- Exact claims only. If we cannot show a number, we do not quote it.
- Your system stays yours. Your data always, and the code, tests and documentation as each invoice is paid.