AJAbidullah Junaid
@abidullahjunaid
Senior Android engineer specializing in Kotlin, Jetpack Compose, and scalable mobile architectures.
United StatesWhat I'm looking for
I am a Senior Android Engineer with over 10 years of experience building and deploying enterprise and consumer Android applications. I specialize in Kotlin and Java, Jetpack Compose, RESTful APIs, performance tuning, and end-to-end mobile delivery.
I've contributed to large-scale codebases at major companies, built automated refactoring tools, and designed optimized on-device storage using SQLite and Room. I prioritize testing (TDD, unit, integration) and reliable CI/CD pipelines to maintain high code quality.
I have full-stack experience building backend services with Java Spring Boot and integrating complex third-party services including authentication and mapping APIs. I routinely lead code reviews, recommend architecture and scalability improvements, and resolve production issues using observability tools.
I hold an MBA in Computer Science and an MS in Computer Science, and I thrive in fast-paced team environments or when working independently to scope and deliver high-impact features.
Experience
Work history, roles, and key accomplishments
MESenior Android Engineer
Meta
Sep 2024 - Present (1 year 1 month)
Enhanced large-scale Android codebases using Kotlin, Java, and Jetpack Compose, built automated refactoring tools, and improved data reliability and test coverage across CI pipelines.
FESenior Android Developer
FedEx
Mar 2023 - Sep 2024 (1 year 6 months)
Developed and maintained Android apps using Kotlin, Java, Jetpack Compose and Google Maps APIs while building backend services with Spring Boot and supporting CI/CD pipelines.
CISoftware Engineering Senior Advisor
Cigna
Oct 2022 - Mar 2023 (5 months)
Built native Android apps with Kotlin and Jetpack Compose, integrated Okta authentication and third-party libraries, and provided architectural guidance to improve scalability and security.
Senior Android Engineer
HEB
Jul 2022 - Oct 2022 (3 months)
Developed native Android apps with Kotlin, MVVM and GraphQL integrations, led code reviews, and maintained CI/CD pipelines while recommending architecture and security improvements.
Senior Android Engineer
Marriott
Jul 2021 - Jul 2022 (1 year)
Developed customer-facing Android apps using Java and Kotlin with MVVM and dependency injection, integrated SDKs and biometric auth, and improved transaction management and caching.
ATBuilt Android applications integrating REST/SOAP APIs and SQLite, performed unit testing and debugging, and supported app deployment and maintenance.
Android Developer
Samsung
Apr 2020 - Oct 2020 (6 months)
Developed Android applications with Kotlin/Java, integrated third-party libraries and backend services, and executed testing and deployment tasks.
Education
Degrees, certifications, and relevant coursework
UCUniversity of the Cumberlands
Master of Business Administration, Computer Science
Grade: GPA 3.8
Completed an MBA in Computer Science with a 3.8 GPA, graduating in December 2021.
KUKent State University
Master of Science, Computer Science
Grade: GPA 3.6
Completed a Master of Science in Computer Science with a 3.6 GPA, graduating in December 2016.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Website
abidullahbinjunaid.surge.shPortfolio
abidullahbinjunaid.surge.shSalary expectations
Job categories
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