Senior Android Engineer – POS & Payments Platform

Methodfi; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A technology company in Greater London is seeking an experienced Android Developer to enhance their Point of Sale (POS) application. The role involves developing features in Kotlin using Clean Architecture, integrating payment SDKs, and designing databases. Ideal candidates will have over 5 years in Android development and strong skills in multithreading and testing. Join a mission-driven team aiming to support small businesses across Europe in a diverse and inclusive environment.

Benefits

Continuous learning opportunities

Comprehensive benefits

Supportive community

Qualifications

• 5+ years of Android development.
• 3+ years working on a large-scale application within a team.

Responsibilities

• Develop and maintain Android features in Kotlin using Clean Architecture.
• Apply MVVM/MVI design patterns across multi-module projects.
• Integrate with REST APIs, payment SDKs, and hardware.
• Build and maintain SQLite databases with ORM solutions.
• Support multithreading and async flows with Kotlin Coroutines and RxJava.
• Write unit and integration tests to ensure reliability.
• Contribute to refactoring legacy components into modular, testable structures.
• Support gradual migration from XML UIs to Jetpack Compose.
• Work closely with product teams.

Skills

Expert in Kotlin

Clean Architecture

MVP, MVVM, MVI patterns

RxJava 2

SQLite with ORM tools

REST API integration

Strong testing & refactoring background

Job description

A technology company in Greater London is seeking an experienced Android Developer to enhance their Point of Sale (POS) application. The role involves developing features in Kotlin using Clean Architecture, integrating payment SDKs, and designing databases. Ideal candidates will have over 5 years in Android development and strong skills in multithreading and testing. Join a mission-driven team aiming to support small businesses across Europe in a diverse and inclusive environment.