Android Engineer — Build From Scratch for Fitness Tech

Farren; Boulder (CO); On-site; USD 110,000 - 170,000; Full time

Job summary

Farren is seeking a passionate Android engineer to own and build our Android application from the ground up, aligning with our iOS experience. You’ll work directly with the founding team to craft a scalable mobile product and contribute to the platform’s evolution.

You thrive in a greenfield setting, care about clean architecture, and ship with confidence. The role is based in Boulder, CO, with in‑person work three days a week.

Qualifications

• Experience building mobile apps from scratch for Android.
• Strong understanding of software architecture for scalable apps.
• Ability to collaborate with iOS and backend teams to align experiences.

Responsibilities

• Architect and build Android app from scratch using iOS baseline.
• Own the full Android codebase—from architecture to UI.
• Collaborate with iOS and backend teams for consistency across platforms.
• Establish Android‑specific best practices, testing infrastructure, and CI/CD pipelines.
• Contribute to product roadmap as the platform scales.

Skills

Android engineering

Architectural design

Cross‑team collaboration

Testing & CI/CD

Performance tuning

Tools

Kotlin

Java

CI/CD pipelines

Job description

Farren is seeking a passionate Android engineer to own and build our Android application from the ground up, aligning with our iOS experience. You’ll work directly with the founding team to craft a scalable mobile product and contribute to the platform’s evolution.

You thrive in a greenfield setting, care about clean architecture, and ship with confidence. The role is based in Boulder, CO, with in‑person work three days a week.