• Build AI Agents for the Testing Lifecycle: Design and implement AI agents that support developers and quality engineers across the testing lifecycle. • Advance AI-Native Quality: Move beyond traditional automation by building systems that continuously adapt test coverage based on code changes and system behavior. • Improve Developer and QE Productivity: Identify bottlenecks in testing and CI/CD workflows, and solve them through intelligent automation that reduces manual effort and accelerates feedback loops. • Integrate AI into Engineering Workflows: Embed AI capabilities into real development environments, enabling both developers and quality engineers to receive contextual, actionable insights during development and testing. • Hands-on Development: Build end-to-end systems and tools (TypeScript, Swift, Kotlin, Java, Python) that will power Airbnb’s AI quality platform. • Applied AI: Develop AI-assisted capabilities such as context-aware agentic E2E validation on pull requests, agentic execution of business-critical flows as quality gates, agentic surface discovery and exploratory testing, and systems for test case generation, and coverage maintenance. • System Design: Participate in the design of scalable AI-driven systems operating within large-scale engineering environments. • Cross-Functional Collaboration: Work closely with Mobile, Infrastructure, Product Engineering, and Quality Engineering teams to integrate AI into real-world development workflows. • Experimentation & Iteration: Explore approaches such as prompt engineering and RAG (Retrieval-Augmented Generation) to improve system effectiveness and adaptability. • Mentorship: Provide technical guidance and help raise the bar for applying AI in engineering systems across the team.

• Build and maintain high-quality native Android apps using Kotlin and Jetpack Compose • Develop clean, scalable UIs aligned with Google’s Material Design guidelines • Collaborate cross-functionally with iOS development, product, design, and QA teams • Contribute to architecture decisions, performance tuning, and scalability planning • Integrate with backend APIs and ensure reliable data flow • Stay current with Android development trends and new Android releases • Take ownership of features and drive them from concept to deployment

Role Description Picture this: A white-labeled flagship mobile app with tens of millions of users, built to help healthcare organizations deliver smarter services with integrated fintech capabilities. Engineered to the highest security standards and trusted by over 300 enterprise clients, this is a platform at massive scale. We are completely rebuilding this entire ecosystem from scratch, meaning your work will directly shape how millions of people access and manage their health and finances using a 100% blank canvas. Do you want to be part of the team building something that impacts so many lives? We’re looking for an experienced Android Engineer with deep expertise in Kotlin to help us build a large-scale mobile application from the ground up. In this hands-on role, you’ll: - Shape the architecture - Write high-quality production code - Work closely with cross-functional teammates to deliver impactful solutions If you enjoy solving complex problems, collaborating across disciplines, and making a direct impact as a key technical contributor, this role is for you. Qualifications - 5+ years of native Android application development - Strong expertise in Kotlin and modern Android development practices (Jetpack, Compose, Coroutines, etc.) - Solid understanding of backend APIs, authentication, and data persistence (REST/GraphQL, Room, Realm, SQLite, …) - Experience with Android system architecture, performance optimization, and scalability - Hands-on experience with app deployment and distribution via Google Play - Comfortable with Git workflows, testing frameworks (JUnit, Espresso, Robolectric), and CI/CD pipelines - Strong written and spoken English skills Requirements - This is a fully remote role for candidates based in Brazil. - Bonus points if you have: - Experience with large-scale consumer apps or high-impact user bases - Knowledge of app security best practices, analytics, and observability tools Key Responsibilities - Build and maintain high-quality native Android apps using Kotlin and Jetpack Compose - Develop clean, scalable UIs aligned with Google’s Material Design guidelines - Collaborate cross-functionally with iOS development, product, design, and QA teams - Contribute to architecture decisions, performance tuning, and scalability planning - Integrate with backend APIs and ensure reliable data flow - Stay current with Android development trends and new Android releases - Take ownership of features and drive them from concept to deployment Qualities for Success - Proactive, solutions-driven mindset - Strong attention to detail and code quality - Comfortable making technical decisions independently - Passion for learning and improving - Ownership mentality where you care about the end product Where You've Likely Developed These Skills - Digital product agencies or consultancies, or in a product IT company - Cross-functional product teams building real-world apps You're a great fit if you - Love building polished and user-friendly mobile apps - Value quality delivery and ask the right "Why?" questions - Want to grow technically while working on impactful projects - Thrive in a collaborative, remote-first environment - Like shipping clean, reliable code that solves real user problems This role is not a fit if you - Need constant oversight or micromanagement - Are looking for a chaotic startup environment with unclear direction Benefits - Real Impact: Real influence on technical decisions, tooling choices, and project direction. - Compensations: $4.500,00 – $6.000/monthly for B2B engagement, based on experience and skills. - Remote-first setup - Health & Wellbeing: 100% paid sick leave + annual health checkup - Stay active: Wellness subsidy - Continuous Growth: An education budget specifically designed to fuel your learning and help you expand your knowledge base. - Extra perks: Referral bonus

• Defining and maintaining high standards for architecture, performance, and code quality within the Android team • Driving mobile development excellence with CI/CD pipelines, version control, and integration with cloud-based infrastructure • Ensuring scalable, testable, and maintainable Android solutions by applying clean architecture principles