Lead Android Engineer

Opal is the focus company. We build the worlds favorite screen time app, with a mission to empower humans to focus better every day.

With millions of members globally, Opal is backed by prominent investors including Adjacent, Speedinvest, and founders and early-stage investors who built generation-defining companies like Airbnb, Pinterest, Dropbox, Revolut, Front, Alan and more.

Job Description

Were at an exciting phase of the company where we want a new engineer to join to

(1) Build the Android version of our iOS app from the ground up, shaping the architecture, design, and technology choices.

(2) Implement new features for the Android app, working closely with our iOS engineering team ( Matt , Alec , Peter , Julien , Konrad, Thibaud ) to ensure a cohesive cross-platform experience.

Location :

Europe : Remote (EU only) or Hybrid in Paris, France

United States : Remote (East Coast only, preferably New York City)

Start Date : Q2 2025

Why Opal?

Mission-Driven Impact : We are on a mission to help 1Bn people to focus better every day. Weve empowered our community to save 200M+ hours and counting.

Ownership : This is a rare opportunity to own the entire Android development process in a fast-moving startup.

Collaborative Culture : Work with a small, high-impact team that gathers quarterly for meetups and learning. Nearly $1M in Revenue per Employee.

Growth & Recognition : Join a top-30 US productivity app with competitive compensation and early equity. 4.8 / 5 rating on 60k+ reviews.

Well-Supported : Backed by world-class investors and founders of companies like Pinterest, Snapchat, and Revolut.

Why This Role and Why Now?

At Opal, we're building tools to help people reclaim their time and focus on what truly matters.

As we continue to grow and save millions of hours of screen time for our Gems (our community), were looking for a Lead Android Engineer to launch and own our Android product development.

Heres why this is the perfect moment to join :

Product Launch : Youll play a key role in bringing Opal to Android, helping us reach a new audience and scale our impact.

Ownership & Impact : Youll take the lead on Android development, defining the tech stack, making architectural decisions, and ensuring high-quality execution.

Your Role in Growth : Youll be our 7th engineer, stepping into a fast-growing company where your work will directly shape the future of focus and productivity.

What Youll Be Doing

As a Lead Android Engineer, youll take a hands-on role in launching and improving our app ecosystem :

Build Opal for Android : Develop, test, and launch the first Android version of Opal, ensuring a smooth and seamless experience for our Gems.

Own Android Architecture : Define the tech stack, set up best practices, and implement scalable, maintainable solutions.

Cross-Platform Collaboration : Work closely with our iOS engineers to ensure consistency across platforms.

Feature Development : Implement new features, refine UX, and optimize performance.

Quality & Performance : Maintain high standards of usability, security, and efficiency.

User-Centric Innovation : Identify opportunities to improve the Android experience based on feedback and data.

Continuous Improvement : Address bugs, enhance performance, and keep the app ahead of industry trends.

Mentor & Guide : As the Android lead, share knowledge and set the foundation for future Android hires.

What You Should Bring

6+ Years of Android Development : Strong experience building and launching Android applications.

Proven Track Record : At least one high-quality app published on Google Play.

Technical Expertise :

Proficient in Kotlin and Jetpack Compose.

Strong knowledge of Android SDK, MVVM, and dependency injection frameworks (e.g., Hilt, Dagger).

Experience with Firebase, push notifications, and cloud messaging.

Familiarity with REST APIs, GraphQL, and WebSockets.

Strong Git knowledge and CI / CD experience.

Quality-Driven : Skilled in creating unit tests, UI tests, and ensuring high code quality.

Independent & Resourceful : You thrive in fast-paced environments and take full ownership of projects.

Aligned with Our Mission : A passion for saving peoples time, improving their well-being, and mindfulness.

AI Enthusiast : Interest in AI and how it can enhance digital wellness.

If youre ready to shape the future of focus and productivity, wed love to meet you!

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