Senior Software Engineer - Mobile (Android)

Below is a quick‑reference snapshot of the role, the must‑have qualifications, the “nice‑to‑have” extras, and a few ideas on how you can position yourself (or a candidate you know) for maximum impact.

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📋 Role Overview – Senior Android Software Engineer (Eight Sleep)

What you’ll be doing	Why it matters
Build and ship new features for the Eight Sleep mobile app (the primary user‑face for the Pod)	Directly influences how millions of members control temperature, elevation, sleep data, etc.
Partner with backend, firmware, ML, hardware, growth, R&D, and execs	Cross‑functional collaboration is essential for a hardware‑software ecosystem.
Own code quality: conduct reviews, write tests, enforce standards, and keep the app stable & performant	Guarantees a polished, reliable experience that matches the brand’s “best‑in‑class” reputation.
Create pixel‑perfect UI with beautiful animations using Jetpack Compose	Elevates the user experience and differentiates Eight Sleep from generic health‑app competitors.
Contribute to scalable, testable, enterprise‑grade architecture (MVVM/MVI, Coroutines, Flow)	Enables rapid iteration without sacrificing reliability as the product line expands.

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✅ Must‑Have Qualifications

Requirement	How to demonstrate it on a résumé / interview
4+ years shipping high‑quality native Android features	List shipped apps, release dates, user metrics, and your specific contributions (e.g., “Led implementation of custom animation framework that reduced UI lag by 30%”).
Kotlin + Jetpack Compose + Coroutines + Flow (MVVM/MVI)	Show concrete projects using these stacks; include code‑review snippets, open‑source contributions, or a GitHub repo with Compose UI components.
Enterprise‑grade, testable architecture	Highlight unit‑test coverage, UI‑test suites (Espresso, Robolectric), and any CI/CD pipelines you set up.
Thrives in rapid‑pace, high‑intensity environments	Cite experience at hyper‑growth startups, tight release cycles, or “on‑call” responsibilities. Emphasize outcomes (e.g., “Delivered 2 major releases per month while maintaining <1% crash rate”).

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🌟 Bonus Points (Nice‑to‑Have)

Bonus skill	How to make it stand out
Custom UI components in Compose	Include a portfolio link or a short video demo of a reusable Compose widget you built.
Hardware‑centric software (health/medical)	Mention any work with BLE peripherals, sensor data pipelines, FDA‑regulated software, or integration with medical‑grade devices.
Health‑related apps & peripherals	Highlight experience with sleep, fitness, or wellness data (e.g., integration with Google Fit, Apple HealthKit, or proprietary sensors).

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🎯 Why Eight Sleep is Attractive (for you or a candidate)

Benefit	What it translates to for an engineer
Culture of innovation & excellence	Expect challenging problems, fast iteration, and a “best‑1%” mindset that pushes your technical limits.
Immediate responsibility & accelerated growth	You’ll own end‑to‑end features from day 1, giving you a fast track to senior/lead roles.
Collaboration with top talent	Daily interaction with senior engineers, product leaders, and C‑suite execs—great for mentorship and visibility.
Equity + competitive salary ($180‑210 K)	Direct financial upside as the company scales.
Free Pod for every employee	First‑hand experience with the product you’ll be building for—great for empathy‑driven design.

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📄 How to Tailor a Resume / Cover Letter

1. Header – Include a link to a GitHub/Portfolio that showcases at least one Compose UI component or a full Android app you shipped.
2. Professional Summary (2‑3 lines) – Emphasize “4+ years Android, Kotlin/Compose expert, proven track record delivering high‑impact health‑tech features in fast‑moving startups.”
3. Core Competencies – List: Kotlin, Jetpack Compose, Coroutines, Flow, MVVM/MVI, Clean Architecture, Unit/UI testing, CI/CD, BLE/Hardware integration (if applicable).
4. Experience Section – For each role:
   • Action verb + metric (e.g., “Implemented a custom temperature‑control UI in Compose, reducing user onboarding time by 25%”).
   • Highlight cross‑functional collaboration (e.g., “Worked with firmware team to decode sensor data via Bluetooth, delivering real‑time sleep metrics”).
   • Mention code‑review / mentorship responsibilities.
5. Projects / Open‑Source – If you have a side‑project that talks to a hardware device or a health‑related API, showcase it.
6. Education / Certifications – Include any Android‑related certifications (e.g., Google Associate Android Developer) or health‑tech courses.
7. Cover Letter Hook – Open with a concise statement tying your passion for sleep/health tech to Eight Sleep’s mission (“I’m excited to help millions sleep better by turning cutting‑edge Android engineering into a seamless, data‑driven bedtime experience”).

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🗣️ Sample Interview Talking Points

Question	Suggested Talking Point
Why Eight Sleep?	“I’m drawn to the mission of improving human performance through sleep. My background building health‑focused Android apps gives me a unique perspective on how software can translate physiological data into actionable insights.”
Describe a challenging Android performance problem you solved.	Walk through a real case: profiling UI thread, identifying over‑draw, refactoring to use LazyColumn + remember in Compose, and the resulting FPS improvement.
How do you ensure code quality at scale?	Talk about code‑review checklist, static analysis (Detekt, Lint), unit test coverage >80%, UI tests in CI, and feature flagging for safe rollouts.
Experience with hardware peripherals?	If applicable, discuss BLE connection handling, background services, and data synchronization with a health device; otherwise, express eagerness to learn and reference any related coursework or side‑projects.
Handling rapid release cycles?	Emphasize feature toggles, canary releases, automated regression testing, and a disciplined branching strategy (e.g., GitFlow).

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TL;DR

• You need 4+ years Android, Kotlin + Jetpack Compose expertise, plus a track record of shipping polished, testable apps in a fast‑moving startup.
• Bonus: custom Compose UI, hardware/health‑tech experience.
• Eight Sleep offers a high‑intensity, high‑impact environment with equity, a competitive salary, and a free Pod.

If you (or someone you know) tick those boxes, craft a resume that spotlights Kotlin/Compose achievements, cross‑functional collaboration, and any health‑hardware work, and you’ll be a strong contender for this senior role. Good luck! 🚀