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Senior Android Engineer, Growth
In TandemRemote USA - In Tandem, United StatesRemotefull_timeVerifiedPosted 22 May 2026
💰 $130,000/yr($110,000/yr – $130,000/yr)
About the role
Senior Android Engineer, Growth
Department: Engineering
Employment Type: Permanent - Full Time
Location: Remote USA - In Tandem
Compensation: $110,000 - $130,000 / year
Description
At In Tandem, we build technology that helps families manage everyday routines and navigate life’s biggest transitions. Through our four brands—OurFamilyWizard, Cozi, FamilyWall, and Custody Navigator—we help families stay organized, communicate well, and foster healthy childhoods.
We believe technology should strengthen relationships and make daily coordination less complicated. Everything we create is designed to lighten the mental load, reduce conflict, and support families through big and small moments.
If you want your work to make a real difference in the daily lives of parents and kids, In Tandem is the place where your impact will truly matter.
We're seeking a Senior Android Engineer to join our Growth team focused on Family Org (Cozi + FamilyWall). You'll design and run A/B experiments across the Android application to accelerate learning, test hypotheses, and deliver measurable value to users. You’ll lead our efforts to make experimentation faster, safer, and more valuable on the Android platform. This is a role where speed of learning matters as much as speed of shipping.
We're seeking a Senior Android Engineer to join our Growth team focused on Family Org (Cozi + FamilyWall). You'll design and run A/B experiments across the Android application to accelerate learning, test hypotheses, and deliver measurable value to users. You’ll lead our efforts to make experimentation faster, safer, and more valuable on the Android platform. This is a role where speed of learning matters as much as speed of shipping.
What you will accomplish:
Getting to know teammates, technology, and tactics.
In your first month, you'll set up your local environment, ship your first small contribution, and learn the rhythms of our pod. You'll study the Cozi and FamilyWall Android codebases, understand how they differ architecturally, and identify the experimentation surface area. You'll build connections with product, design, QA, and backend teammates.
In your first month, you'll set up your local environment, ship your first small contribution, and learn the rhythms of our pod. You'll study the Cozi and FamilyWall Android codebases, understand how they differ architecturally, and identify the experimentation surface area. You'll build connections with product, design, QA, and backend teammates.
Design and run experiments.
By day 60, you'll be comfortable operating within our development lifecycle from planning through production releases. You'll be designing and instrumenting your first A/B experiments in the Android app — defining hypotheses, configuring feature flags, and ensuring clean data collection. You'll work across subscription, onboarding, and activation flows for Cozi and FamilyWall, and begin forming opinions on where the experimentation framework can improve.
By day 60, you'll be comfortable operating within our development lifecycle from planning through production releases. You'll be designing and instrumenting your first A/B experiments in the Android app — defining hypotheses, configuring feature flags, and ensuring clean data collection. You'll work across subscription, onboarding, and activation flows for Cozi and FamilyWall, and begin forming opinions on where the experimentation framework can improve.
Own the experiment loop end-to-end.
By 90 days, you'll be autonomously scoping, building, and analyzing Growth experiments. You'll proactively propose experiment ideas based on data and user behavior — not just executing what's handed to you. You'll participate in technical planning, anticipate edge cases, and balance iteration speed with app quality. You'll partner with product, design, and data to refine the hypothesis-test-learn cycle.
Scale experimentation and influence strategy.
Beyond your first few months, you'll shape the experimentation roadmap for Family Org Android alongside product and engineering leadership. You'll mentor teammates on experiment design, instrumentation best practices, and data hygiene. You'll drive improvements to conversion, activation, and retention across both Cozi and FamilyWall, and contribute to cross-platform alignment (Android, iOS, Web) for consistent Growth experiments.
Who you are:
- Seasoned craftsperson. You've shipped production Android at scale, can navigate ambiguity, and know when "good enough" is the right call vs. when to invest in durability.
- AI-powered builder. You don't just use AI tools — you advocate for them. You've integrated AI-assisted workflows into your development process and you're motivated to explore how AI can improve both how we build and what we build.
- Data-driven operator. You believe in the scientific method — hypothesize, measure, learn — and you design clean instrumentation to power reliable insights.
- Experiment evangelist. You don't just run experiments — you champion the culture. You push for clean hypotheses, resist shipping without measurement, and help the team learn faster.
- Pragmatic optimizer. You embrace a bias for action. In Growth, the fastest path to good enough is often the best way forward.
- Curious collaborator. You thrive on cross-functional teamwork and embrace unexpected hurdles with an open mindset.
- Champion of inclusion. You create space for diverse voices and help guide the team toward the best solutions.
- Low ego, high integrity. You value doing what's right over being right, and you're comfortable course-correcting when a better
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