Senior Android Engineer - Kotlin & Jetpack Compose

JPMorgan Chase & Co.; Greater London; On-site; GBP 65,000 - 95,000; Full time

Job summary

JPMorgan Chase & Co. UK is seeking an experienced Android Software Engineer III to deliver customer-facing mobile features for Chase UK.

You will develop, test, and maintain Kotlin-based Android apps, collaborating with product managers, designers, and engineers across the full software lifecycle. The role emphasizes clean architecture, modern Android practices, and secure data handling within a fast-paced, agile environment.

Qualifications

• Formal training or certification on software engineering concepts and expanding applied experience.
• Solid knowledge of Kotlin and modern Android development practices.
• Experience building Android applications using Jetpack Compose.
• Understanding of Android architecture patterns such as MVVM, MVI, or similar approaches.
• Familiarity with Android Jetpack libraries and components.
• Ability to write clean, maintainable, and testable code with a strong awareness of quality standards.
• Understanding of REST APIs and how mobile applications integrate with backend services.
• Awareness of performance, accessibility, and security considerations in mobile development.
• Strong problem-solving skills and a genuine willingness to learn and grow in a fast-paced environment.
• Working knowledge of using enterprise-authorized AI capabilities within the work environment to support software engineering workflows with strong validation habits and awareness of data sensitivity.
• Ability to review and validate AI-assisted code and technical recommendations before use, escalating when uncertain and following security and data handling requirements.

Responsibilities

• Collaborate with cross-functional teams to help define, design, build, and release new Android mobile features that directly impact the customer experience
• Develop and maintain clean, efficient, testable, and reusable Kotlin code aligned with modern Android engineering standards
• Build intuitive user interfaces using modern Android technologies, including Jetpack Compose
• Contribute to application testing strategies to help ensure reliability, performance, and quality across all customer journeys
• Troubleshoot, debug, and resolve application issues in close partnership with fellow engineers
• Participate in agile ceremonies, sprint planning, and regular team collaboration to support continuous and predictable delivery
• Communicate progress, blockers, and technical considerations clearly to team members and stakeholders across a geographically distributed organization
• Engage in code reviews, applying and reinforcing engineering best practices across the team
• Stay informed on emerging Android development trends, tools, libraries, and platform updates to bring fresh thinking to the team
• Uses enterprise-authorized AI capabilities within the work environment to accelerate design comprehension and coding support (e.g., drafting unit tests and documentation), validating outputs and handling data according to sensitivity and security requirements

Skills

Kotlin

Jetpack Compose

Android development

REST APIs

MVVM/MVI architectures

AI data handling awareness

Education

Formal training or certification in software engineering concepts

Tools

Detox

Appium

CI/CD pipelines

Job description

JPMorgan Chase & Co. UK is seeking an experienced Android Software Engineer III to deliver customer-facing mobile features for Chase UK.

You will develop, test, and maintain Kotlin-based Android apps, collaborating with product managers, designers, and engineers across the full software lifecycle. The role emphasizes clean architecture, modern Android practices, and secure data handling within a fast-paced, agile environment.