Senior AI-First Full-Stack Engineer (Hybrid Melbourne)

Firmable Pty Ltd; Melbourne; Hybrid; AUD 140,000 - 190,000; Full time

Job summary

Firmable Pty Ltd in Melbourne is seeking a Senior Full Stack Engineer with a focus on AI to ship end-to-end features across the stack. You will own work from spec to production in collaboration with product, design, and the local Australian engineering team.

The role requires shipping production web features, strong backend fundamentals, and hands-on AI tooling. This is a hybrid opportunity with a focus on delivering scalable, AI-enabled solutions.

Qualifications

• 5+ years shipping production web and Next.js.
• Strong backend fundamentals: REST API design, relational data modelling in Postgres, auth and multi-tenancy patterns.
• Agentic AI hands-on: shipped features using LLMs (tool calling, RAG, agents).
• AI-native workflow: using Claude Code, Cursor or similar daily.
• Excellent written English and stakeholders communication.

Responsibilities

• Full stack execution across web app (Next.js), API layer (TypeScript), browser extension, and integrations.
• Design APIs and data flows across Postgres, OpenSearch, DynamoDB, and S3; build background jobs and webhooks.
• Lead technical specs, review code, and communicate trade-offs to engineers and non-engineers.

Job description

Firmable Pty Ltd in Melbourne is seeking a Senior Full Stack Engineer with a focus on AI to ship end-to-end features across the stack. You will own work from spec to production in collaboration with product, design, and the local Australian engineering team.

The role requires shipping production web features, strong backend fundamentals, and hands-on AI tooling. This is a hybrid opportunity with a focus on delivering scalable, AI-enabled solutions.