Skills

CI/CD Decision-making Architecture Programming git Autonomy Organization Android FireBase

Job Specifications

ROLE OBJECTIVE

Join the core technical team at Hush (we’re hiring 2 Flutter developers) to rebuild the product and technical foundation: rewriting legacy code and implementing new strategic features.
Be at the heart of creating an ambitious mobile app, with a real builder’s role.

ABOUT HUSH

Our Mission

Hush is a secure mobile app for private conversations and meaningful connections.
We’re on a mission to redefine how people connect across the world: safe, simple, and authentic.
By joining us, you’ll help shape a product with global impact and empower millions to communicate freely.
We already have strong traction: tens of thousands of active users, fast growth, and expansion underway in the US.

The Team

Join a tight-knit team (CTPO + 2 core Flutter devs).
Solid processes: systematic code review, release train, CI/CD.

Location & Organization

Offices at WeWork Paris 13th (terraces, coffee, free events,…).
Hybrid setup: 4 days in-office (Monday to Thursday) + Friday optional remote.

Perks & Benefits

Swile card.
Dynamic startup environment with fast decision-making.
A passionate team that values impact and collaboration.

Salary

€50K – €70K depending on experience.

KEY MISSIONS

Develop and maintain the Hush mobile app in Flutter, within the context of a legacy rewrite + implementation of new features.
Actively contribute to technical choices, architecture, and the setup of quality standards (tests, CI/CD).
Work closely with the CTPO to turn product specs into robust features.
Help structure and organize the core team (processes, best practices, future recruitments).
Ensure clean, maintainable code, with systematic code reviews and a smooth release process.

PROFILE

Technical Skills

4-7+ years of mobile experience, including 2-3+ years in Flutter production with published apps (App Store / Play Store).
Strong mastery of Flutter and Reactive programming.
Experience with Firebase (Firestore, Storage, Auth, Cloud Functions).
Hands-on with platform channels (iOS/Android).
Experience with Riverpod.
Good team-based Git management.
Comfortable with AI-friendly tools (such as Cursor).
Bonus: CometChat SDK, Notion, Amplitude, RevenueCat, OneSignal.

Mindset

Strong drive to build the technical and product foundation of the company.
Desire to leave a strong mark on a product with international growth.
Startup spirit: autonomy, collaboration mindset, and ability to iterate fast.

About the Company

Hush is the chat app that redefines how people connect. A secure and anonymous space for conversations that are authentic and pressure-free. Here, everyone can explore, share, and open up at their own pace, without judgment. Know more