React-Native Engineer - Paris - France
SkinBit is building a new generation of skin cancer screening powered by advanced imaging hardware and AI. At the center of this platform is a mobile ecosystem of applications used by patients, clinicians, and on-site staff to manage the entire screening journey—from booking and preparation to scan results and follow-up.
These are not demo apps. They are clinical-facing, patient-facing, and business-critical systems . Visual precision, clarity, and consistency are not “nice to have” — they are part of product correctness.
We are hiring a senior React Native engineer to own the mobile foundation of the SkinBit platform.
The Role
You will design, build, and own SkinBit’s mobile ecosystem , spanning multiple applications and user personas.
This role requires high autonomy and high standards .
Pixel-perfect implementation is the baseline. Anything less is considered incomplete work.
You are expected to translate designs into production code with exact visual fidelity , consistent spacing, typography, colors, and interaction details across iOS and Android — using the design system as the single source of truth.
You will work closely with design, product, backend, and platform teams, but you are not waiting for hand-holding. You take ownership, make decisions, and ship.
What You’ll Do
Own the Mobile Applications End-to-End
Design and build React Native applications used by:
Patients (booking, results, reports, education, follow-up)
Clinical and on-site staff (workflow, preparation, scan coordination)
Own features from design handoff to production release
Take responsibility for the final user experience — not just “working code”
Pixel-Perfect, Design-System–Driven Execution
Implement designs with pixel-perfect accuracy :
Layout
Spacing
Typography
Color
Interaction states
Treat the design system as non-negotiable infrastructure , not suggestions
Build reusable, composable components that strictly adhere to design tokens
Collaborate with designers to resolve ambiguities — never approximate
Ensure consistent rendering and behavior across iOS and Android
Own performance, responsiveness, and visual stability
Handle offline, degraded network, and synchronization scenarios gracefully
Integrate mobile apps with backend APIs and platform services
Work with platform engineers on:
Authentication and authorization
Production Ownership
Own testing, debugging, and release processes
Fix visual and functional regressions proactively
Maintain quality under real clinical usage conditions
You Should Have
Background
Strong experience shipping production React Native applications
Proven ability to work autonomously with minimal supervision
Core Skills
Demonstrated experience working with design systems
Component-driven development using tokens and shared primitives
Mobile app architecture and state management
API integration and asynchronous data handling
Quality Bar & Mindset
Pixel-perfect is your default standard
You do not ship “close enough”
You proactively catch and fix visual inconsistencies
You take pride in craft and correctness
Nice to Have
Experience with healthcare or regulated environments
Offline-first or sync-heavy mobile applications
Close collaboration with design teams
Familiarity with mobile CI/CD and release pipelines
Experience integrating mobile apps with hardware or on-site systems
Why Join SkinBit
Craft matters here : visual quality is part of product correctness
High autonomy : you are trusted to own decisions and outcomes
Real impact : your work is used by patients and clinicians
Deep-tech environment : mobile tightly coupled with hardware and AI
Fast iteration : short feedback loop from design to production
Logistics
Location: France (Paris preferred), full-time on-site
Employment type: Permanent, full-time (CDI)
Reporting: CTO
Level: Senior
Compensation: Competitive salary + equity (depending on profile)