Remote Senior Full-Stack Product Engineer, AI-Driven UX

Optimal; Auckland; Remote; NZD 120,000 - 180,000; Full time

Benefits offered by this job

Employee Share Option Plan (ESOP)

Wellbeing allowance

Learning & development support

Home office setup support

4 weeks annual leave + birthday day

Job summary

Optimal is seeking a Senior Product Engineer to join a cross-functional team focused on rapid development of next-generation user research tools. You will own end-to-end delivery, from idea through architecture to UI finesse, with close collaboration with product and design.

This senior role also involves mentoring others and setting technical direction to drive real product impact. The position supports remote-first work with the Wellington HQ, and candidates can be based anywhere in New

Qualifications

• Senior full-stack engineer with end-to-end delivery ownership.
• Experience with React frontend, Ruby on Rails backend, and AWS deployment.
• Strong product mindset and user-focused approach.
• Ability to lead projects and mentor teammates.

Responsibilities

• Lead projects end-to-end from idea to delivery.
• Collaborate with product and design to shape features.
• Set technical direction and improve craft across the team.
• Mentor junior engineers and raise engineering standards.

Skills

Senior full-stack

React

Ruby on Rails

AWS

Leadership

AI curiosity

Tools

React

Rails

Job description

Optimal is seeking a Senior Product Engineer to join a cross-functional team focused on rapid development of next-generation user research tools. You will own end-to-end delivery, from idea through architecture to UI finesse, with close collaboration with product and design.

This senior role also involves mentoring others and setting technical direction to drive real product impact. The position supports remote-first work with the Wellington HQ, and candidates can be based anywhere in New