Senior Digital S/W Engineer - Android

Citi; Irving (TX); On-site; USD 107,000 - 161,000; Full time

Benefits offered by this job

Hybrid work model

Competitive compensation

Structured learning & development

Wellbeing programs

Job summary

Citi is seeking a Senior Digital Android Engineer to act as the senior technical authority for Android development. You will lead architecture and delivery of the flagship mobile banking app used by millions worldwide, coordinating across product, design, and backend teams to deliver scalable, high-quality experiences.

You will mentor engineers, elevate engineering standards, and drive performance and security improvements across the Android platform in a hybrid work setting.

Qualifications

• 8+ years of professional experience building native Android applications.
• Expert command of Kotlin and modern Android architecture patterns.
• Deep hands-on knowledge of the Android SDK, Android Studio, and Gradle.
• Experience with Jetpack libraries and Jetpack Compose for production-scale UIs.
• Proven ability to diagnose and resolve performance issues in production apps.
• Track record of shipping or maintaining an app on Google Play Store.
• Bachelor's degree or equivalent professional experience.

Responsibilities

• Architect and lead end-to-end design and development of major Android features.
• Set direction on Kotlin, Jetpack Compose, and modern Android tech stack.
• Define engineering standards for code quality, testing, and performance.
• Coach and mentor junior and mid-level Android engineers.
• Collaborate with product, UI/UX, and backend teams to translate requirements.
• Optimize memory, battery, and runtime performance for a smooth user experience.
• Improve development processes to increase velocity and time-to-production.
• Assess risk and ensure security, compliance, and platform reliability.

Skills

Kotlin

Android architecture (MVVM/Clean)

Android SDK & Gradle

Jetpack Compose

Performance optimization

Play Store release experience

Technical leadership

Education

Bachelor's degree in CS/Engineering or equivalent

Tools

Android Studio

Gradle

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 optimize 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.

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 programmes 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.

Location: Irving Texas United States

Full time

Salary Range: $107,120.00 - $160,680.00

Anticipated Posting Close Date: Sep 09, 2026

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