Senior Product Engineer

The role

You will own Engagement features end to end across Rails backend and React, React Native, and Electron apps. You will work with a designer to prototype, ship, and grow the design system and component library.

What you will do

• Own Engagement features end to end across Rails backend and React web, React Native mobile and Electron desktop apps
• Decide with your designer what to build, prototype it, ship it with coding agents, and prove it works with evidence
• Grow our design system and component library together with the designer
• Make architecture calls across the stack
• Review other people's work and raise the pod's bar

Required qualifications

• Full-stack in production
• Shipped both backend and frontend code that real users rely on
• AI-first using coding agents every day
• Build things in your own time
• Shipped at least one cross-platform mobile or desktop app
• Worked on a design system or component library
• Product judgment to partner with a designer and prototype without waiting for mockups or a PM
• Comfortable with ambiguity and moving without full specs
• Check quality with evidence
• 5+ years of experience
• Fluent English

Nice to have

• Ruby on Rails
• Mobile or desktop experience you haven't done yet

Benefits

• Competitive salary
• Equity
• Generous token spend policy
• 30 days holiday allowance
• Health coverage via Alan partnership covering half medical insurance
• Tax-smart savings via Cobee for meals, transport, nursery

About the company

HappyScribe is a profitable, 100% bootstrapped AI company based in Barcelona. They built a multilingual transcription platform and are building a layer to turn conversations into intelligence.