We're shipping every product that companies need to run their business from their first day, to the day they IPO, and beyond. The operating system for folks who build software.
We started with open-source product analytics, launched out of Y Combinator's W20 cohort. We've since shipped more than a dozen products, including:
A built-in data warehouse, so users can query product and customer data together using custom SQL insights.
A customer data platform, so they can send their data wherever they need with ease.
PostHog AI, an AI-powered analyst that answers product questions, helps users find useful session recordings, and writes custom SQL queries.
Next on the roadmap are CRM, Workflow, revenue analytics, and support products. When we say every product that companies need to run their business, we really mean it!
We are:
Product-led. More than 100,000 companies have installed PostHog, mostly driven by word-of-mouth. We have intensely strong product-market fit.
Default alive. Revenue is growing 10% MoM on average, and we're very efficient. We raise money to push ambition and grow faster, not to keep the lights on.
Well-funded. We've raised more than $100m from some of the world's top investors. We're set up for a long, ambitious journey.
We're focused on building an awesome product for end users, hiring exceptional teammates, shipping fast, and being as weird as possible.
Transparency: Everyone can read about our roadmap, how we pay (or even let go of) people, our strategy, and how we work, in our public company handbook. Internally, we share revenue, notes and slides from board meetings, and fundraising plans, so everyone has the context they need to make good decisions.
Autonomy: We don’t tell anyone what to do. Everyone chooses what to work on next based on what's going to have the biggest impact on our customers, and what they find interesting and motivating to work on. Engineers lead product teams and make product decisions. Teams are flexible and easy to change when needed.
Shipping fast: Why not now? We want to build a lot of products; we can't do that shipping at a normal pace. We've built the company around small teams – autonomous, highly-efficient groups of cracked engineers who can outship much larger companies because they own their products end-to-end.
Time for building: Nothing gets shipped in a meeting. We're a natively remote company. We default to async communication – PRs > Issues > Slack. Tuesdays and Thursdays are meeting-free days, and we prioritize heads down building time over perfect coordination. This will be the most productive job you've ever had.
Ambition: We want to solve big problems. We strongly believe that aiming for the best possible upside, and sometimes missing, is better than never trying. We're optimistic about what's possible and our ability to get there.
Being weird: Weird means redesigning an already world-class website for the 5th time. It means shipping literally every product that relates to customer data. It means building an objectively unnecessary developer toy with dubious shareholder value. Doing weird stuff is a competitive advantage. And it's fun.
We’re looking for a pragmatic mobile engineer who’s passionate about crafting SDKs for mobile platforms like iOS, Android, React Native, and Flutter. You care deeply about performance, correctness, and ergonomics, and you enjoy building tooling that developers love because it’s intuitive, powerful, and seamless..In this role, you’ll focus on PostHog’s mobile SDKs, which power product analytics, session replay, feature flags, error tracking, surveys and more.You’ll work across iOS, Android, and cross-platform runtimes, collaborating closely with product teams to ensure our mobile SDKs remain robust, scalable, and easy to integrate, while also helping us support new platforms and use cases efficiently.
What makes this role unique
SDKs at massive scale: Your work will run in thousands of customer apps, shaping how developers experience PostHog. You’ll dive into deep mobile systems challenges like background execution, networking, threading, and battery optimization to build SDKs that perform flawlessly under pressure.
Multiple runtimes & frameworks: From native iOS and Android to React Native, Flutter, and more, you’ll build SDKs that feel truly at home in each ecosystem.
Critical paths: Analytics, session replay, and feature flags often sit on hot paths. You’ll help ensure our SDKs are fast, resilient, and observable in real-world conditions.
Open-source by default: You’ll work in the open, reviewing community contributions and helping external developers succeed with our SDKs.
Platform consistency at scale: A key challenge will be reducing duplication and improving consistency across mobile SDKs while still respecting platform conventions.
A typical week might involve:
Debugging a subtle crash or performance regression in the SDK
Implementing feature flag or analytics support in a new mobile runtime (e.g. KMP)
Improving SDK packaging, versioning, or distribution (CocoaPods, Swift Package Manager, Maven)
Reviewing and guiding a community contribution to a mobile SDK
Building demo apps to validate SDK ergonomics across frameworks
Extensive mobile development experience (iOS, Android, Flutter, or React Native).
Experience working with mobile SDKs or libraries (not just apps).
Solid understanding of mobile performance constraints (startup time, memory, battery).
Comfortable debugging production issues across devices and OS versions.
Willingness to learn new languages, platforms, and tools.
Experience distributing SDKs (CocoaPods, Swift Package Manager, Maven) or contributing to open-source projects.
Interest in building shared tooling for multi-platform development.
If you have a disability, please let us know if there's any way we can make the interview process better for you - we're happy to accommodate!
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