Senior Android Developer

What the role needs

• Senior Android Developer - Hybrid
• Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.**
• Define clean architecture patterns and Android Jetpack based modular designs that promote separation of concerns, testability, maintainability and clear boundaries between presentation, domain and data layers.
• Drive adoption of modern asynchronous and reactive patterns using Coroutines and Rx JAVA to improve app responsiveness, simplify concurrency handling and reduce issues related to threading and resource contention.
• Optimize app performance by profiling startup time, memory usage, network calls and rendering pipelines, then implementing targeted improvements in Compose UI, data access and caching strategies.
• Implement and review robust Android security controls covering secure storage, network encryption, authentication flows and protection against common mobile threats to safeguard sensitive data and user trust.
• Establish comprehensive Android testing strategies including unit tests, instrumentation tests and UI tests, and integrate them within continuous integration pipelines to maintain high release quality and rapid feedback.
• Collaborate with product, design and backend engineering to translate business requirements into Android focused technical solutions that balance usability, maintainability and long-term platform evolution.
• Guide teams on effective use of Android Jetpack libraries for navigation, lifecycle management, dependency injection and data persistence to reduce boilerplate and align solutions with recommended platform practices.
• Shape app distribution strategies through Play Store configuration, build variant management, feature flagging and phased rollout plans that minimize risk while enabling frequent and reliable releases.
• Ensure Android accessibility best practices are embedded in Compose UI components, layouts and interactions so that applications remain inclusive, navigable and compliant for users with diverse abilities.
• Provide structured debugging support for complex production issues by using profiling tools, logs and crash analytics, and translate findings into durable fixes that improve platform stability and customer experience.

From the employer

Senior Android Developer - Hybrid Important Disclaimers: **Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.** In this role, you will: • Define clean architecture patterns and Android Jetpack based modular designs that promote separation of concerns, testability, maintainability and clear boundaries between presentation, domain and data layers. • Drive adoption of modern asynchronous and reactive patterns using Coroutines and Rx JAVA to improve app responsiveness, simplify concurrency handling and reduce issues related to threading and resource contention. • Optimize app performance by profiling startup time, memory usage, network calls and rendering pipelines, then implementing targeted improvements in Compose UI, data access and caching strategies. • Implement and review robust Android security controls covering secure storage, network encryption, authentication flows and protection against common mobile threats to safeguard sensitive data and user trust. • Establish comprehensive Android testing strategies including unit tests, instrumentation tests and UI tests, and integrate them within continuous integration pipelines to maintain high release quality and rapid feedback. • Collaborate with product, design and backend engineering to translate business requirements into Android focused technical solutions that balance usability, maintainability and long-term platform evolution. • Guide teams on effective use of Android Jetpack libraries for navigation, lifecycle management, dependency injection and data persistence to reduce boilerplate and align solutions with recommended platform practices. • Shape app distribution strategies through Play Store configuration, build variant management, feature flagging and phased rollout plans that minimize risk while enabling frequent and reliable releases. • Ensure Android accessibility best practices are embedded in Compose UI components, layouts and interactions so that applications remain inclusive, navigable and compliant for users with diverse abilities. • Provide structured debugging support for complex production issues by using profiling tools, logs and crash analytics, and translate findings into durable fixes that improve platform stability and customer experience. • Design and develop AI agents for vulnerability discovery, triage, root-cause analysis, and remediation across native mobile applications. • Build workflows that inspect source code, dependencies, platform configurations, and data flows to identify security weaknesses. • Enable agents to detect issues such as insecure data storage, sensitive information exposure, weak cryptography, insecure network communication, and authentication or authorization flaws. • Integrate security scanning tools and their findings into agent workflows to improve detection accuracy and reduce false positives. • Enable agents to generate targeted fixes, create regression tests, run builds and security checks, and prepare pull requests with supporting evidence. • Collaborate with application security, architecture, mobile engineering, and QE teams to validate and improve agent behavior. Locations : Stamford, CT - Chicago, IL - Plano, TX Work model : Hybrid We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. What you need to have to be considered (Required): • 5+ years of experience in Android mobile application development in a global organization • 2+ years of experience in mobile Architecting and responsible for designing robust Android native applications using Kotlin, Rx JAVA , Coroutines and Compose while ensuring security, performance, accessibility and reliability across the mobile ecosystem. Salary and Other Compensation: Applications will be accepted until 11/20/2026. The annual salary for this position is between $55K – 114K depending on experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans. Benefits : Cognizant offers the following benefits for this position, subject to applicable eligibility requirements: - Medical/Dental/Vision/Life Insurance - Paid holidays plus Paid Time Off - 401(k) plan and contributions - Long-term/Short-term Disability - Paid Parental Leave - Employee Stock Purchase Plan Disclaimer : The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law. Additional employment information Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws. Applicants for US based positions must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for US based positions. If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India. About Cognizant: Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.