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Full Stack Engineer - Growth & Experimentation – Krak
FullstackRemote — Brazil, Uruguay, Peru, Colombia, Argentina, Paraguay, Mexico, Chile
Published on 2026-11-06
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About this role
Build and iterate on consumer-facing growth features for the Krak app, focusing on acquisition, activation, engagement, and trading activity. This frontend-leaning full-stack role owns experiments from hypothesis through implementation, launch, measurement, and iteration.
About the company
Kraken is a leading cryptocurrency exchange that provides a platform for buying, selling, and trading a diverse range of digital assets. The company focuses on compliance, security, and innovative financial solutions to serve both individual and institutional clients.
The team
Growth and experimentation team within Krak.
Stack
React NativeReactTypeScriptJavaScriptRustStatsigSQLWebSockets
What you'll do
- Build and ship consumer-facing features and rapid experiments in React Native and TypeScript.
- Own experiments from hypothesis and implementation through launch, measurement, and iteration.
- Improve onboarding, activation, feature discovery, conversion, engagement, and trading revenue.
- Build viral acquisition and value-add growth features.
- Implement backend services and APIs needed to deliver experiments.
- Analyze experiment results and decide whether to scale, iterate, or stop them.
What we're looking for
- 3+ years of experience building and shipping large-scale consumer applications.
- Strong hands-on React and React Native experience.
- Demonstrated consumer growth experimentation experience with measurable impact.
- Ability to design and implement backend services and APIs.
- Strong JavaScript and TypeScript fundamentals, including APIs, WebSockets, real-time systems, mobile performance, and testing.
- Experience designing and analyzing A/B tests, feature flags, product analytics, funnels, and cohorts.
- End-to-end product ownership and ability to work autonomously amid ambiguity.
Nice to have
- Fintech, digital banking, payments, trading, or crypto product experience.
- Statsig or comparable experimentation platform experience.
- Rust experience.
- SQL and self-serve analytics experience.
- Fluency with AI tools and development workflows.
- Native iOS or Android development, distributed systems, microservices, or hyperscale consumer technology experience.