Senior Android Engineer - New York - On-Site - Opportunity to join one of the Fastest-Growing and Well-Known Fin-Tech Start-Ups in NYC This young and agile company, building a cutting-edge commerce network is currently seeking a talented Senior Android Engineer to play an important role in designing and building the mobile experiences that millions of users rely on every day.
This is an excellent opportunity for an experienced Android Engineer to take the next step into a challenging position with a company offering significant growth potential.
About the Company: - Valued at over $10bn having raised over $250m in their Series B funding in 2025.
- Launched in the 2020's, this is phenomenal growth
- Their network has already reached more than 4.5 million people
- They have already acquired some smaller Fintechs
- They launched their new product in 2026
About the Senior Android Engineer Vacancy: You will work on Android apps and SDKs that power their payment applications across a variety of devices and form factors, from consumer mobile phones to specialized POS terminals.
In this position, you will:
Create, develop, and manage SDKs and Android apps that service millions
Create Android payment apps that work flawlessly on a range of devices and form factors
Collaborate with engineers, product managers, designers, and other company stakeholders to introduce new features and products to consumers
Establish best practices for Android development throughout the organization by working with Android developers who work on the POS Terminal
Create manageable, tested code that follows architectural principles and best practices
Ideal Requirements for the Senior Android Engineer Vacancy: You have a love for creating sophisticated, effective mobile applications and a solid technical background in Android programming.
You are aware that creating excellent software involves more than simply writing code; it also involves working with cross-functional teams, resolving user issues, and upholding strict quality and user experience standards.
You flourish in a fast-paced startup setting where success depends on agility and flexibility.
Several years of experience in Android development using Kotlin
Strong knowledge of architectural patterns such as MVVM, MVP, or Clean Architecture
Solid experience with the Android SDK, Android Studio, and the full mobile development lifecycle
Jetpack proficiency - Compose, ViewModel, Room, Navigation, Lifecycle
Strong UX design skills, problem solving, and troubleshooting skills
Nice-to-have:
Work experience with POS device apps (Ingenico, Verifone, PAX, etc.)
Knowledge of ISO 8583, NFC, and EMV procedures for safe transactions
Knowledge of cryptographic security principles such as DUKPT, AES, RSA, and HMAC
Apply to the Role: Roles like these are snapped up very quickly, so act now if you do not want to miss out! Reply to this advert or email your CV to
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