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Android Kotlin Software Engineer Staff Principal Lead

💼 Full-time💰 $200,000–$200,000🗓 2026-07-26

Core

Architecting and building a highly performant, reliable, and secure Android mobile client for a global consumer neobank, with potential to lead mobile development across iOS and web platforms.

Role type

Staff Principal Android Engineer (Mobile Lead)

Builds

Native Android mobile application for a neobank serving emerging markets

Domain

Fintech / Consumer Banking / Mobile Development

Deliverable

production ML models | product features | infrastructure

Required skills

Android native development, Kotlin, Java, architectural design, performance optimization, security implementation, scaling systems

Preferred skills

Latin American market experience, financial technology domain knowledge, UI/UX design sense, full-stack engineering capabilities

Technologies

Kotlin, Java, Android SDK

Responsibilities

Architect the Android stack, set engineering standards, build the mobile app from the ground up, shape technical vision and architecture, own major parts of the product and infrastructure

Seniority

Staff Principal, hands-on IC with strategic leadership

Rewrite
## About Green Green is building a global consumer neobank. We're merging banking, payments, and crypto into a single product. Our initial focus is emerging markets, where traditional banking and local currencies fail hundreds of millions of people. We will enable users all over the world to move their money seamlessly within our ecosystem. Green is built by a small group of highly experienced operators and engineers. We're a small, senior-only team, with no layers, politics, or slow decisions. We've built, founded, and owned services used by hundreds of millions of people and generating billions in revenue. Green is the next step and mass distribution is readily available via our day-one partners. Every person on the team ships product and shapes the direction of the company. ## The Role We're seeking a Staff Android Engineer to lead our mobile client development. We will also be building an iOS and a mobile-friendly web app in parallel, so there may be room to stretch impact depending on your skills. You'll architect the Android stack, set standards, and build a highly performant, reliable, and secure app from the ground up. This role could evolve into a mobile lead across platforms as we scale. ## Requirements - 5+ years building and shipping consumer-facing Android apps natively in Java or Kotlin at scale ## Bonuses You might be an especially good fit if you have: - Experience building for the Latin American Market - Experience in financial technology - Good design sense - Full-stack engineering skillset and ability to flex across other parts of the stack ## What We Offer - $200K-$400K cash compensation - Day 1 impact on partner products used by millions globally - Shape technical vision and architecture as we scale - Own major parts of the product and infrastructure - Ship fast and avoid corporate overhead
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