Location:Sydney (preferred) / Australia
Stage:Early revenue, scaling
Equity:50% vesting over 4 years
Early Revenue
About Trainset.ai
Trainset.ai is building acompliance-first, enterprise-grade AI data labeling platformfor companies that actually care about accuracy, security, and scale.
We already have:
Paying customers
Access to~170,000 global freelance workersvia existing micro-task platforms
Explicit demand from AI teams needinghuman-in-the-loop labeling(vision, NLP, LLM evals, RLHF, etc.)
This is no longer an idea — it's an early business that needs a technical co-founder to help turn momentum into a real category-defining product.
Role
I'm looking for aCTO / Technical Co-Founderto own the technical vision and execution.
You'll be responsible for:
Architecting and scaling the core platform
Designing systems for QA, consensus labeling, auditability, and compliance
Making early technical decisions that will shape the company for years




Hiring and leading engineers as we grow
This is a builder role first, leadership role second.
Qualifications
Who You Are
A senior full-stack engineer or tech lead
Comfortable moving fast in early-stage chaos
Opinionated but pragmatic about architecture
Excited by AI tooling, marketplaces, or data infrastructure
Looking forreal ownership, not just a job
Startup or scale-up experience is a big plus.
Equity & Compensation
50% equity, vesting over4 years(standard founder vesting)
This is a true co-founder role — not a contractor, not "sweat equity theatre"
Why This Is Interesting
Real customers, real revenue
Clear path to enterprise deals
Strong leverage from existing worker network
Massive tailwinds from AI adoption
Opportunity to build something defensible, not just another SaaS wrapper
#J-*****-Ljbffr

📌 Founder Cto (New South Wales)
🏢 Trainset AI
📍 New South Wales