Android Engineer (AI)

TL;DR

Android Engineer (AI Fitness): Building real-time workout flows, on-device CV for body scans, and sensor fusion for fitness analysis with an accent on device fragmentation across diverse hardware in MENA and LATAM. Focus on end-to-end feature ownership, performance optimization under real-world constraints, and complex backend integrations with async updates and retry logic.

Location: Hybrid in Poland (remote-friendly with option to collaborate in-person)

Company

hirify.global is the world’s first AI Fitness Personal Trainer revolutionizing health and wellness with personalized, real-time adaptive workouts.

What you will do

• Develop real-time workout flows including live exercise player, interactions, and corrections
• Implement camera-based on-device computer vision and sensor fusion for body scans and fitness analysis
• Build features for Zing core app and B2B SDK integrated into partners' ecosystems
• Ensure reliability across device fragmentation, from budget Xiaomi to high-end Pixels
• Translate design mockups and wireframes into high-quality Android systems

Requirements

• Production Android experience with real users, crash reports, and performance issues
• Daily use of Jetpack Compose, Kotlin, Coroutines; DI frameworks (Dagger2/Hilt), modular architecture (MVVM/MVI), GitFlow
• Strong asynchronous code handling: concurrency, cancellation, async updates, partial data, retry logic
• Local persistence with Room and background work (services, wake locks, health data integrations)
• Performance profiling for memory, battery, thermal constraints on real devices
• Experience with camera APIs, sensor data, or real-time mobile processing
• Ability to own features from definition to production monitoring
• Comfortable with complex backend integrations

Nice to have

• Advanced LLM-assisted development flows
• On-device ML or CV experience (TFLite, MediaPipe, CameraX)

Culture & Benefits

• Fastest-growing fitness and lifestyle startup shaping an exciting AI consumer product
• Small, person-oriented company with excellent work environment
• Remote-friendly with in-person collaboration option