Senior Android Developer

Location: Warsaw (PL)

Experience Level: Senior

Description

Hey, we’re amp, and we’re leading the fitness evolution.

Forget the guesswork, the clutter, and the compromises—amp brings full-body, AI-powered workouts straight to your home. With intelligent resistance, expert-led programs, real-time progress tracking, and a sleek, space-saving design, we make high-performance training part of everyday life.

Our Mission? 

To help people live longer, stronger lives by making strength training effortless, effective, and built around you.

We’re a team of 120+ passionate minds—designers obsessed with every detail, engineers solving real problems, and training experts who know that consistency beats intensity. We’ve brought together talent from Apple, DraftKings, Nike, Spotify, and Meta, all with one goal: redefining strength training from the ground up. amp isn’t just a product—it’s a new standard.

We built amp because strength training should fit your life, not the other way around.

Where We Are Now?

Over the past four years, we’ve developed a next-generation strength training system designed for personalized, intelligent workouts. After a successful soft launch, we’re scaling fast with a cutting-edge D2C e-commerce platform built for massive growth.

Now, we’re looking for top-tier talent to help shape the future of strength training.

Are you in? 

We’re looking for an experienced and passionate Senior Android Developer to lead the development of our new native Android application. This is a hands-on role where you’ll help define the technical foundation, drive UI innovation, and collaborate with cross-functional teams to deliver a seamless user experience to our customers. You will join a fast-paced environment and play a key role in building a best-in-class fitness platform.

To Apply Please provide

What You’ll Do

Responsibilities:

• Lead the architecture and development of a new native Android application using Kotlin.
• Implement user interfaces primarily using Jetpack Compose, ensuring a modern, responsive, and visually appealing design.
• Utilize your experience with traditional Android UI components (XML layouts, Views) when appropriate for specific features or legacy integrations.
• Integrate with our existing backend by consuming data via our GraphQL API.
• Collaborate closely with iOS developers, backend engineers, designers, and product managers to understand requirements and ensure feature parity where appropriate.
• Write clean, maintainable, testable, and performant code.
• Ensure the application meets high standards of quality, stability, and performance across various Android devices and OS versions.

Requirements

What We’re Looking For

• Proven experience as a Senior Android Developer with a strong portfolio of shipped applications.
• Deep proficiency in Kotlin for Android development.
• Hands-on experience building UIs with Jetpack Compose.
• Solid understanding and practical experience with the traditional Android UI toolkit (XML Layouts, Views, Fragments, Activities).
• Strong understanding of Android architecture patterns (MVVM, MVI, etc.) and best practices.
• Experience with version control systems, particularly Git.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.

Preferred Qualifications

• Familiarity with iOS development (Swift, SwiftUI, UIKit) is a plus.
• Experience consuming GraphQL APIs on Android (e.g., using Apollo Android or similar libraries).
• Experience with dependency injection frameworks (e.g., Hilt, Dagger).
• Experience writing unit and integration tests for Android applications.
• Experience with CI/CD pipelines for Android.
• Experience working in an Agile/Scrum development environment.

Why Join Us

Fitness Certifications