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About the Role

You'll be a technical contributor building and scaling our core platforms, DataOS and GrowthOS / MAITE. This full-stack role requires you to move across both platforms wherever the highest-impact work is. You will plan features with AI before writing code, directing agents to build end-to-end solutions from backend services to the frontend. Your responsibilities include reviewing AI-generated output critically, owning what ships, and contributing to the platform's architecture with a deep understanding of system design.

Responsibilities

Plan, direct, and ship end-to-end features using AI agents as your primary development tool.
Build and sharpen your judgment about AI output, identifying potential issues like hallucinated APIs or incorrect security patterns.
Contribute to the platform's architecture with an increasingly deep understanding of system design.
Build and maintain guardrails, including testing strategies, verification discipline, and review habits.
Collaborate across product, design, data science, and engineering teams.

Requirements

Hunger over credentials; demonstrate what you've built.
Speed of learning over depth of experience; show evidence of rapid project completion.
Product sense; think about why something should be built, not just how.
Intellectual honesty; acknowledge what you don't know, ask for help, and share learnings.
Actively building AI development skills.
Willingness to direct AI agents, review output, and focus on architecture, design, and product thinking.

Skills

AI development
Prompt engineering
AI agent direction
Code review
System architecture
Product thinking
Collaboration

Location

Sydney
Melbourne
New York

Work Type

Hybrid
Full-time
Permanent

Experience Level

Not specified by years, but based on demonstrated ability and learning speed.

Education Level

Not specified, focus is on demonstrated ability and portfolio.

Benefits

Equity ownership (ESOP)
Generous time off (20 days annual leave to start, increasing annually up to 30 days)
Paid parental leave (12 weeks for primary carer, 6 weeks for secondary carer)
Work from anywhere (up to 6 weeks per year)
Weekly AI Office Hours for 1:1 pairing sessions (up to 4 hours/week)
Access to Forge, internal AI tooling layer
Cool-down time for skill-building and experimentation
Working alongside experienced engineers

About the Company

Mutinex is building the growth decision engine to replace traditional measurement with AI-powered intelligence.
We are an Australian-born, globally scaling B2B SaaS company.
Our platform empowers marketers to make confident, data-driven decisions.
We value communication, open-mindedness, and a culture of feedback.
We are changing the way software is built by shifting engineering focus from implementation to planning, orchestration, and judgment, utilizing AI agents as primary development tools.

Equal Opportunity

Mutinex is proud to be an equal opportunity employer.
We celebrate diversity and are committed to creating an inclusive environment for all employees.
We welcome applicants of all backgrounds, experiences, identities, and abilities.