Life360 - Senior Software Engineer II, Mobile - Revenue Experimentation (AI Native)
Requirements
• Technical foundation: • 6+ years of Android software engineering experience shipping production apps at consumer scale. • At least 1 year of hands-on experience prompting, evaluating, and building with LLMs. • Strong proficiency with Kotlin and Jetpack Compose (and the Android View system); deep familiarity with the modern Android toolchain (Android Studio, Kotlin Coroutines, Flow). • Experience with Android architecture patterns (MVVM, MVI, Clean Architecture, Jetpack/ViewModel/Navigation, Hilt or Dagger) in a large, multi-team codebase. • Comfort with mobile experimentation concepts: feature flagging, A/B testing, exposure logging, holdouts, and guardrail metrics. • Solid grounding in mobile performance, memory, battery, ANR, and crash diagnostics (Android Studio Profiler, Perfetto/Systrace, Macrobenchmark, Crashlytics or equivalent). • Experience with CI/CD for Android (Gradle, Fastlane, GitHub Actions, Bitrise, or similar) and modular build systems. • Deep experience with agentic workflows, prompt engineering, context-window management, and MCP/function calling — you understand the research-plan-implement cycle but don't outsource thinking to agents. • Bachelor's degree in a technical field, or equivalent experience. • What matters most to us: • Agency — You don't wait to be told what to do. Given a rough hypothesis or a half-finished doc, you can get a working version in front of users without needing a fully-specced ticket first, and you take responsibility for the outcome, not just the task. • Agency • Ownership mentality — You own your work from design through production and beyond, including what happens when the experiment doesn't go as planned. • Ownership mentality • Taste and craft — You have opinions about what a good experiment, a good rollout, and a good user experience look like, and you can articulate why — not just execute a spec. • Taste and craft • Growth mindset — You structure problems precisely, learn quickly, show interest outside "your lane," and are always happy to try something new. • Growth mindset • AI-native working style — You use AI tooling (Claude Code or equivalent) as a genuine development partner: delegating discrete tasks, reviewing outputs critically, and running parallel workstreams rather than hand-holding one agent at a time. • AI-native working style • Collaborative approach — You communicate clearly, work well across teams, and value diverse perspectives; you give and take feedback well. • Collaborative approach • We believe culture fit and problem-solving ability matter more than checking every technical box. We're happy to help you grow into areas where you have less experience. • Nice-to-Have • Experience working with an experimentation platform (Statsig, LaunchDarkly, Optimizely, Eppo, GrowthBook, or similar). • Background in mobile analytics pipelines (Amplitude, Segment, Snowflake/Databricks downstream). • Familiarity with Bayesian or sequential testing methods and how they affect client-side implementation. • Previous work on subscription, paywall, pricing, or onboarding surfaces at consumer scale. • Deep in at least one of Kotlin/Android, Swift, or React, and comfortable shipping in another. • Contributions to mobile open source or internal developer tooling. • AI-Native Expectations • We use AI coding tools as a professional standard on this team. In practice: • Daily use — You use AI coding assistants (we support Claude Code, Cursor, and GitHub Copilot) for real, substantive tasks: analysis, coding, refactoring, testing, navigating codebases, and documentation, not just research or autocomplete. • Daily use • Judgment and ownership — AI-generated code gets the same review you'd give any PR. You are accountable for everything you ship. • Judgment and ownership • Velocity — We expect senior engineers who use AI well to operate with meaningful leverage, taking on problems that would otherwise require a larger team. • Velocity • Team leadership — You share what works, automate prompting strategies others can build on, and help teammates earlier in their AI workflow adoption get up to speed. • Team leadership • Continuous learning — The tooling changes fast. You stay current and bring recommendations to the team when something would meaningfully improve how we work. • Continuous learning
Responsibilities
• Design and build high-quality Android growth and monetization features and experiments — subscription paywalls and pricing tests, ad placement and mediation experiments, one-time purchase (IAP) flows, and upsell/upgrade surfaces — running dozens of concurrent tests across the Life360 app. • Partner with product, design, data science, and analytics to translate hypotheses into shippable experiments, and turn results into the next decision — pushing back when a hypothesis or plan doesn't hold up. • Work with AI (Claude Code or equivalent) as a first-class collaborator — your primary workflow involves orchestrating agents to create specs, generate code and tests, verify results, and perform reviews. • Instrument experiments accurately — exposure logging and analytics — so the results downstream teams rely on are trustworthy. • Ship polished, performant, reliable Android experiences to tens of millions of users, with strong attention to startup time, memory, battery, ANR, and crash-free rates. • Take ambiguous or partially-specced ideas and get a working version in front of real users fast — treating the first cut as a learning tool, not a final answer. • Help define and codify AI-native Android engineering practices for the team, establishing playbooks the broader mobile org can adopt. • Contribute to architectural decisions, code reviews, and a culture of craft and continuous improvement on the Android codebase. • Participate in on-call rotation and incident response for mobile experiments and releases. • Mentor other engineers and contribute to team processes, technical standards, and the evolution of the team's AI-native engineering practices.
Benefits
• Medical, dental, vision, life and disability insurance plans (100% paid for US employees). We offer life and disability as well as supplemental plans for medical and dental for Canadian employees. • 401(k) plan with company matching program in the US and RRSP with DPSP plan for Canadian employees. • Paid parental leave. • Mental Wellness Program & Employee Assistance Program (EAP) for mental well-being. • Generous time off: flexible PTO, companywide holidays throughout the year plus summer and winter shutdowns. • Learning & Development programs. • Equipment, tools, and reimbursement support for a productive remote environment. • Free Life360 Platinum Membership and Tile trackers. • Life360 Values • Our company’s mission-driven culture is guided by our shared values to create a trusted work environment where you can bring your authentic self to work and make a positive difference • Be a Good Person - We have a team of high integrity people you can trust. • Be Direct With Respect - We communicate directly, even when it’s hard. • Members Before Metrics - We focus on building an exceptional experience for families. • High Intensity, High Impact - We do whatever it takes to get the job done. • Our Commitment to Diversity • We believe that different ideas, perspectives and backgrounds create a stronger and more creative work environment that delivers better results. Together, we continue to build an inclusive culture that encourages, supports, and celebrates the diverse voices of our employees. It fuels our innovation and connects us closer to our customers and the communities we serve. We strive to create a workplace that reflects the communities we serve and where everyone feels empowered to bring their authentic best selves to work.
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