Lead Android Engineer

Opal

Barcelona, Spain

2 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English, French

Compensation

€ 110K

Job location

Remote

Barcelona, Spain

Tech stack

Artificial Intelligence

Android

Firebase

GraphQL

Job description

We launched the first version of our Android app in Q4 2025, bringing Opal's core features to millions of new users. Now, we're looking for a strong technical leader to shape v2 of the app, define the roadmap, and build the Android team around it. You'll also work closely with our iOS team to ensure a seamless experience across platforms.

Why this role

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

Here's why this is the perfect moment to join:

Recent Launch: Our Android app is live! You'll take it from MVP to best-in-class experience.
Ownership & Impact: Define the roadmap, make architectural decisions, and shape Android development at Opal.
Growth Opportunity: You'll be our 7th engineer, with a clear path to grow into a Head of Android or Engineering as the team expands (with your help on this).

What you'll do

As Lead Android Engineer, you'll take a hands-on role while shaping the future of Opal on Android:

Build & Improve: Evolve the newly released Android app with new features, better UX, and stronger performance.
Own the Architecture: Define and refine the tech stack, best practices, and scalable systems.
Cross-Platform Collaboration: Work closely with our iOS engineers to ensure consistency across platforms.
User-Centric Innovation: Use feedback and data to prioritize features and improve the Android experience.
Quality & Reliability: Maintain high standards of usability, security, and efficiency.
Mentor & Lead: Share expertise and lay the foundation for a future Android team.

Requirements

Do you have experience in iOS?, * Fluent in English (French is a plus, but not required).

You're mission-driven and excited to help millions reclaim their focus.
Bonus: Firebase, cloud messaging, GraphQL, or AI experience).

Benefits & conditions

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.

If you're ready to shape the future of focus and productivity, we'd love to meet you!