Colossus Technologies Group
Senior Android Engineer
Skills
21 days ago
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Important information
Contract type:
Permanent
Location:
United States
Work mode:
Onsite
Published on:
1 October 2026
What they need
We're partnering with a fast-growing consumer technology company building an innovative product at the intersection of mobile software, connected hardware, data, and health & wellness.
The Android application is a primary way customers interact with the company's product—controlling and configuring their hardware while gaining personalized insights from their data. We're looking for a Senior Android Engineer who combines deep technical expertise with a strong eye for product quality and user experience.
What You'll Do:
- Build and ship high-quality features for a native Android application.
- Own features from technical design through development, testing, release, and iteration.
- Build polished, responsive user experiences using Jetpack Compose.
- Design scalable, maintainable, and testable Android architecture.
- Optimize application performance, reliability, and stability.
- Conduct code reviews and help maintain a high engineering-quality bar.
- Partner closely with Product and Design to create intuitive, polished mobile experiences.
- Collaborate with backend, firmware, hardware, and ML engineers on features spanning the technology stack.
What We're Looking For:
- 8+ years of native Android development experience.
- Deep expertise in Kotlin.
- Strong production experience with Jetpack Compose.
- Strong knowledge of Coroutines & Flow.
- Experience with MVVM and/or MVI.
- Experience building scalable, testable, production-grade Android applications.
- Strong understanding of modern Android architecture and engineering best practices.
- Experience shipping polished consumer-facing mobile products.
- Ability to move quickly while maintaining a high bar for stability and code quality.
Bonus Points:
- Building custom UI components in Jetpack Compose.
- Connected hardware, IoT, Bluetooth/BLE, or peripheral integrations.
- Health, fitness, wellness, or medical technology.
- Experience developing software that interacts with physical products.
- High-growth startup or consumer technology experience.
- Mobile performance optimization and application reliability.
- CI/CD, automated testing, and mobile release engineering.
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