Senior Digital S/W Engineer - Android

Citibank (Switzerland) AG; Irving, Northern (TX, KY); Hybrid; Confidential; Full time

Benefits offered by this job

Hybrid work model (3 days in office)

Job summary

Citi is seeking a Senior Digital Android Engineer to serve as the senior technical authority for Android development, guiding architecture and delivery of our flagship mobile banking app used by millions worldwide. You will set direction, elevate standards, and mentor Android talent.

In a hybrid role based in Irving, TX, you will lead end-to-end feature design, enforce code quality and performance, coach engineers, collaborate with product and backend teams, and optimize memory, battery, and

Qualifications

• 8+ years of professional experience building native Android applications.
• Expert command of Kotlin and modern Android architectures (MVVM, Clean Architecture, unidirectional data flow).
• Deep knowledge of Android SDK, Android Studio, Gradle, and multi-module builds.
• Experience with Jetpack libraries including Jetpack Compose at production scale.
• Ability to diagnose and resolve performance issues related to memory, rendering, and battery usage.
• Track record of shipping or maintaining an app on Google Play Store with release quality.
• Bachelor's degree in CS/Engineering or equivalent experience.

Responsibilities

• Architect and lead end-to-end design and development of major features for Citi's Android app.
• Set direction on Kotlin, Jetpack Compose, and modern Android tech stack.
• Define and enforce engineering standards for quality, testing, and performance.
• Coach and mentor junior and mid-level Android engineers.
• Collaborate with Product Managers, UI/UX Designers, and backend engineers.

Skills

Kotlin

Android architecture

Jetpack Compose

Android SDK/Studio/Gradle

Performance optimization

Play Store release experience

Mentoring/leadership

English communication

Education

Bachelor's degree in Computer Science or related field

Tools

Android Studio

Gradle

Jetpack Compose

Google Play Console

Job description

As a Senior Digital Android Engineer at Citi, you will serve as the senior technical authority for Android development, leading the architecture and delivery of our flagship mobile banking application used by millions of customers globally. This is a high-impact engineering leadership role where your decisions directly shape the quality, scalability, and performance of Citi's Android platform. Sitting within the mobile engineering function, you will drive technical direction, elevate engineering standards, and mentor the next generation of Android talent.

Responsibilities

• Architect and lead the end-to-end design and development of major features for Citi's flagship Android application, ensuring every solution is scalable, resilient, and built to last.
• Act as the primary Android technical authority across the engineering function, setting direction on the modern Android tech stack including Kotlin, Jetpack Compose, and Coroutines.
• Define and enforce engineering standards for code quality, automated testing, and application performance, resolving critical defects and eliminating bottlenecks that affect end users.
• Coach and mentor junior and mid-level Android engineers, building technical capability across the team and creating a culture of continuous improvement and engineering excellence.
• Partner with Product Managers, UI/UX Designers, and backend engineers to translate complex business and user requirements into robust, high-quality mobile experiences.
• Optimize application performance across memory management, battery efficiency, and runtime speed to deliver a consistently smooth experience on Android devices.
• Evaluate and improve development processes, testing strategies, and delivery workflows to increase engineering velocity and reduce time-to-production.
• Assess technical and operational risk during key engineering decisions, ensuring solutions align with Citi's standards for security, compliance, and platform reliability.

Required qualifications & skills

• 8 or more years of professional experience building native Android applications, with a portfolio that demonstrates depth across the full Android development lifecycle.
• Expert command of Kotlin, coupled with a thorough understanding of modern Android architecture patterns such as MVVM, Clean Architecture, and unidirectional data flow.
• Deep hands‑on knowledge of the Android SDK, Android Studio, and the Gradle build system, with the ability to configure and optimise complex multi‑module builds.
• Extensive experience with Jetpack libraries, including Jetpack Compose for building declarative UIs at production scale.
• Demonstrated ability to diagnose and resolve performance issues related to memory, rendering, and battery consumption in production Android applications.
• Track record of shipping or maintaining at least one application on the Google Play Store, with direct accountability for release quality and store presence.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent professional experience.

Beneficial skills & qualifications

• Experience leading technical decisions in a formal or informal capacity across cross‑functional engineering teams.
• Familiarity with agile and waterfall delivery models and the ability to manage dependencies across both in a large‑scale engineering environment.
• Background in mobile engineering within regulated industries such as financial services, where security, compliance, and audit considerations shape development decisions.

Job Details

• Job Family Group: Technology
• Job Family: Digital Software Engineering
• Time Type: Full time
• Primary Location: Irving Texas United States
• Primary Location Full Time Salary Range: $107,120.00 - $160,680.00

What we offer

A hybrid working model with 3 days in the office and 2 days working remotely, giving you flexibility alongside meaningful in‑person collaboration.

Competitive compensation and a comprehensive financial wellbeing package, including access to long‑term savings and investment programs.

Access structured learning and development resources, enabling you to deepen technical expertise and expand into leadership at your own pace.

The opportunity to work on Android applications used by a global customer base, giving your engineering decisions real‑world scale and impact.

Wellbeing support programs covering physical, mental, and financial health, designed to help you perform at your best inside and outside of work.

A performance‑driven team culture built on technical collaboration, shared accountability, and delivering outcomes that matter to the business and its clients.

Benefits

• medical, dental & vision coverage
• 401(k)
• life, accident, and disability insurance
• wellness programs

Equity & Employment

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.

Additional Information

Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents – AI Notice and Right

Anticipated Posting Close Date: Sep 09, 2026