Senior AI Platform Engineer – SaaS, Observability & Trust

Fusion5; Christchurch; On-site; NZD 120,000 - 165,000; Full time

Job summary

Fusion5 is seeking a senior software engineer to join our AI-driven platform team, building and operating a live SaaS platform across frontend React, TypeScript back end and cloud infrastructure. You will own significant changes end to end, from initial investigation to production deployment, with a strong focus on security and reliability.

You will work in an AI-enabled environment, collaborating with CTO and AI Platform Engineering Lead to deliver scalable, observable systems while maintaining

Qualifications

• Experience delivering production SaaS applications.
• Ability to own features from problem to production.
• Strong system design and security awareness.

Responsibilities

• Own significant changes end to end across frontend, backend and infra.
• Develop services, APIs and data models for a secure multi-tenant SaaS platform.
• Improve telemetry, observability and production safeguards.

Skills

Production SaaS ownership

TypeScript / Node.js / React

Observability / telemetry

Azure cloud deployment

AI-assisted development judicious use

Job description

Fusion5 is seeking a senior software engineer to join our AI-driven platform team, building and operating a live SaaS platform across frontend React, TypeScript back end and cloud infrastructure. You will own significant changes end to end, from initial investigation to production deployment, with a strong focus on security and reliability.

You will work in an AI-enabled environment, collaborating with CTO and AI Platform Engineering Lead to deliver scalable, observable systems while maintaining