Senior Android Developer (Fintech)

Location: Poland; remote workplace

Company

hirify.global is a fintech product company building financial tools for business owners across Europe, including company accounts, banking transactions, cards, and AI-enabled accounting.

What you will do

• Design and build features for the Android application, including multi-account cash flow management, banking transactions and payments, physical and virtual card issuance and control, and AI-powered accounting automation.
• Build responsive user interfaces with Jetpack Compose.
• Own code quality, performance, stability, automated testing, and code reviews.
• Collaborate with Backend, QA, Design, and Product to shape end-to-end solutions.
• Drive technical decisions, challenge assumptions, and identify opportunities for improvement.
• Contribute to CI/CD pipelines, tooling, and mobile engineering best practices.

Requirements

• 5+ years of commercial Android development experience and strong Kotlin knowledge; Java knowledge is optional.
• Deep understanding of OOP, SOLID, and Clean Architecture.
• Experience with MVI, MVVM, and MVP presentation-layer patterns and the ability to select the appropriate pattern for the context.
• Hands-on experience with RxJava, Kotlin Coroutines and Flow, Dagger 2, Hilt or Koin, Retrofit, Cicerone or Jetpack Navigation Component, and Jetpack Compose.
• Practical experience with Firebase, including FCM, Analytics, and Crashlytics.
• Production experience with feature-module architecture.
• Confidence with Git and GitLab, including setting up and maintaining GitLab CI/CD.
• Experience shipping products, a product-focused mindset, and clear communication across technical and non-technical audiences.
• Clear, concise communication in English.

Nice to have

• Fintech or financial product experience.
• Mobile security best-practice knowledge.
• Experience profiling and optimizing UI performance, including overdraw, Jetpack Compose recomposition, and 60/120fps rendering.
• Experience with Android Profiler, Perfetto, Baseline Profiles, or similar tools.
• Published Google Play applications and an active GitHub profile.
• Experience with AI agents, LLM tools, AI-powered IDEs, agent modes, rules files, and AI-assisted development workflows.
• Understanding of model capabilities and limitations, context-window management, and verification of AI-generated output.
• Awareness of AI security risks, including prompt injection, data leakage, and safe handling of untrusted inputs.

Culture & Benefits

• Remote work from Poland and the opportunity to work in the EU.
• Cross-functional collaboration across Backend, Mobile, ML/AI, QA, Design, and Product.
• Stock options.
• Support and care.
• Work & Swim program.

Hiring process

• Talent Partner Interview.
• First Technical Interview and Mobile System Design Interview.
• Team Fit Interview followed by an offer.