Senior Full-Stack Engineer — Remote, End-to-End Ownership

Optimal Workshop Ltd.; Wellington; Hybrid; 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

Job summary

Optimal Workshop Ltd. in New Zealand is seeking a Senior Product Engineer to join a cross-functional team building next-generation user research tools.

You’ll own features from idea to delivery, shaping architecture and UI details while collaborating with product, design, and tech leads. This senior, full-stack role focuses on React frontend, Ruby on Rails backend, deployed on AWS, with a product-minded, ownership-driven approach and opportunities to mentor others.

Qualifications

• Senior full-stack engineer with hands-on experience across the stack.
• Strong product mindset and user-focused approach.
• Excellent frontend engineering and UI skills.
• Ability to lead projects from idea to delivery and mentor others.

Responsibilities

• Lead projects end-to-end with ownership of meaningful features.
• Collaborate with product and design to shape architecture and delivery.
• Design, build, and ship new research features for complex tasks.
• Deliver across the full stack: React frontend, Rails backend, AWS.
• Shape product direction and set technical standards.
• Mentor teammates and drive fast iteration based on usage.

Skills

Full-stack React/Rails

React

Ruby on Rails

AWS

Leadership

Product mindset

UI/UX

AI curiosity

Entrepreneurial spirit

Team collaboration

Tools

React

Ruby on Rails

AWS

Job description

Optimal Workshop Ltd. in New Zealand is seeking a Senior Product Engineer to join a cross-functional team building next-generation user research tools.

You’ll own features from idea to delivery, shaping architecture and UI details while collaborating with product, design, and tech leads. This senior, full-stack role focuses on React frontend, Ruby on Rails backend, deployed on AWS, with a product-minded, ownership-driven approach and opportunities to mentor others.