Senior Android Engineer - Privacy-First, High-Impact Apps

Proton; Barcelona; On-site; EUR 60,000 - 110,000; Full time

Benefits offered by this job

Stock Options

Learning & Development

Health coverage

Retirement options

Wellness support

In-person collaboration

Food provided

Transport allowance

Flexible schedule

Job summary

Proton in Barcelona is seeking a senior Android engineer to build privacy‑first products across Proton Pass, Payments, and VPN. You’ll develop high‑quality Android experiences using Kotlin and Jetpack Compose, collaborating with product, design, and cross‑team engineers to ship features with end‑to‑end ownership.

Join a team focused on scalable architectures, performance, and security. You’ll contribute to a Rust‑backed core while delivering delightful user experiences for millions of users

Qualifications

• Extensive experience shipping Android apps with Kotlin.
• Strong knowledge of Jetpack Compose and modern Android practices.
• Experience taking features from scoping and technical design through to delivery and iteration.
• Ability to work across large codebases and collaborate across multiple teams.
• Experience mentoring engineers and raising the technical bar within a team.
• Solid understanding of performance, concurrency, multithreading, and mobile memory management.
• Familiarity with privacy, security, encryption, sync systems, or offline-first architectures is a plus.

Responsibilities

• Build high-quality Android experiences using Kotlin and Jetpack Compose.
• Collaborate closely with product, design, and fellow engineers to ship features.
• Own end-to-end delivery of features from scoping to iteration and release.
• Contribute to scalable, testable mobile architectures and code quality.

Skills

Kotlin

Jetpack Compose

Android development

Performance optimization

Memory management

Cross-team collaboration

Mentoring

Job description

Proton in Barcelona is seeking a senior Android engineer to build privacy‑first products across Proton Pass, Payments, and VPN. You’ll develop high‑quality Android experiences using Kotlin and Jetpack Compose, collaborating with product, design, and cross‑team engineers to ship features with end‑to‑end ownership.

Join a team focused on scalable architectures, performance, and security. You’ll contribute to a Rust‑backed core while delivering delightful user experiences for millions of users