Senior Mobile Engineer – Android

Monstro is an AI-native fintech platform reimagining how people and institutions manage money. We’re building a modern foundation for financial decision-making—combining intelligence, automation, and elegant design to help users make smarter choices with confidence.
Our team includes experienced builders from leading fintech, wealth management, and technology companies, united by a shared goal: to create a category-defining product that transforms how financial insight is delivered and acted on.

We’re looking for a founding Senior Android Engineer to build the native Android experience for our financial platform. You’ll design and deliver secure, high-performance features that help users understand and manage their financial lives, while laying the foundation for a long‑term mobile architecture. This is a hands‑on, collaborative role where your work will directly shape the core experience our users rely on every day.

Monstro’s mobile app is central to how users interact with their financial universe. Your work will help define the quality, responsiveness, and trustworthiness of that experience. The systems you build must be secure, elegant, and resilient—handling sensitive financial data at scale while remaining intuitive and reliable.

Android Application Development
Design, build, and maintain core features using Kotlin and modern Android frameworks (Jetpack Compose, Android

X, Coroutines). Deliver smooth, intuitive user experiences that support complex financial workflows. Own feature development end‑to‑end—from architecture to implementation, testing, and release.

Architecture & Scalability
Establish architecture patterns (MVVM, MVI, Clean Architecture) that support speed, maintainability, and long‑term scale. Optimize performance, responsiveness, offline/online behavior, and data persistence. Build for speed and correctness in a regulated environment.

Integration & Data Handling
Integrate mobile clients with backend APIs, financial data systems, and third‑party providers. Work closely with backend engineers to shape efficient API interactions and ensure seamless real‑time data flows within the app.

Security & Compliance
Implement secure data handling practices required for financial applications. Ensure proper encryption, secure storage, authentication flows, and session management. Build with the rigor necessary for regulated, high‑trust environments.

Collaboration & Execution
Partner with product managers, designers, and fellow engineers to deliver cohesive, user‑centered features. Contribute to architectural discussions, planning, and code reviews. Support engineering excellence through documentation, testing, and raising the overall technical bar.

• The Android experience is fast, secure, and reliable—earning user trust through performance and clarity.
• The codebase is clean, scalable, and adaptable to rapid iteration and future features.
• Architecture patterns are consistent, documented, and adopted across mobile engineering.
• The app consistently meets Monstro’s standards for performance, security, and usability in a regulated environment.
• Collaboration, documentation, and technical rigor are elevated across the team through your example.

• 7+ years of professional Android development experience, with a proven track record of building, shipping, and maintaining production Android applications at scale
• Expert-level proficiency in Kotlin, with deep experience across modern Android development practices
• Demonstrated ownership of end-to-end Android features or full applications, from design through release and long-term maintenance
• Proven ability to design, implement, and evolve Android architectures (MVVM, MVI, Clean Architecture), making thoughtful tradeoffs around scalability, performance, and maintainability
• Extensive experience with modern Android frameworks and libraries, including Jetpack Compose, Android
  
  X, Coroutines, and related tooling
• Deep expertise in secure data handling, including encryption, authentication/authorization flows, key management, and Android platform security best practices
• Demonstrated ability…