Senior Mobile Frontend Engineer - AI‑Driven UI Craft

Lucis; Paris; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Relocation support

Paris hub

Travel to Paris

Job summary

Lucis is building the OS for human longevity and is seeking a mobile frontend engineer to own the mobile experience end-to-end using Expo and React Native within our monorepo.

You’ll craft delightful interfaces, ensure precision in motion, and drive onboarding and core app surfaces with a focus on real-device reliability.

Join our Paris hub with relocation support for the right candidate, and help shape AI-powered workflows that push the boundaries of preventive health.

Qualifications

• Confirmed mobile engineer (8+ years) with exceptional craft.
• Proficient in Expo and React Native with native experience.
• Ability to write specs for AI agents and review AI-generated code.
• Experience delivering end-to-end mobile experiences on real devices.
• Strong eye for design, motion, and detail.

Responsibilities

• Own onboarding and core app surfaces.
• Design and implement delightful, reliable mobile UI.
• Collaborate in a monorepo and coordinate AI features.
• Review AI-generated code for quality and security.

Skills

Expo

React Native

TypeScript

Frontend architecture

Tools

NestJS

PostgreSQL

Prisma

Terraform

Qovery

GitHub Actions

AWS

Job description

Lucis is building the OS for human longevity and is seeking a mobile frontend engineer to own the mobile experience end-to-end using Expo and React Native within our monorepo.

You’ll craft delightful interfaces, ensure precision in motion, and drive onboarding and core app surfaces with a focus on real-device reliability.

Join our Paris hub with relocation support for the right candidate, and help shape AI-powered workflows that push the boundaries of preventive health.