Senior AI-First Full Stack Engineer | .NET/React/TS

Preacta; City of Melbourne; Hybrid; AUD 170,000 - 190,000; Full time

Job summary

Preact is seeking a Senior Full Stack Engineer to join a newly formed product engineering team in Melbourne, operating in a hybrid setup. You will own features end to end using .NET/C#, React and TypeScript and drive architectural decisions across a major product area.

In this AI-first environment, you will mentor peers and help raise engineering standards while integrating AI capabilities and agents into daily development workflows.

Qualifications

• Strong commercial experience across .NET/C# and modern React/TypeScript development, with the ability to own architecture and technical decisions from design through to production.
• You'll also enjoy mentoring other engineers and raising engineering standards across the team.
• AI experience is a major focus; using tools such as Claude Code, Cursor, Copilot is expected.

Responsibilities

• Own features end to end across .NET/C#, React and TypeScript and take architectural ownership of a significant area of the product.
• Work on greenfield development, platform evolution and new AI capabilities.
• Collaborate closely with the Engineering Manager and Principal Engineer.

Skills

NET/C#

React

TypeScript

AI

Tools

Claude Code

Cursor

Copilot

Job description

Preact is seeking a Senior Full Stack Engineer to join a newly formed product engineering team in Melbourne, operating in a hybrid setup. You will own features end to end using .NET/C#, React and TypeScript and drive architectural decisions across a major product area.

In this AI-first environment, you will mentor peers and help raise engineering standards while integrating AI capabilities and agents into daily development workflows.