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I’m an Android Developer with 5+ years of experience building and supporting mobile applications using Kotlin, Java, Android SDK, and Jetpack Compose, delivering reliable user experiences across healthcare and e-commerce. I enjoy turning product requirements into clean, maintainable UI and robust app flows using MVVM, lifecycle-aware components, and responsive design. I’ve worked on integrating REST and GraphQL APIs, implementing offline storage and caching with Room/SQLite, and resolving production issues using tools like Firebase Crashlytics and Sentry. In Agile teams, I focus on stability, performance, and continuous improvement—supporting releases end-to-end with automated testing, debugging, and CI/CD pipelines.…I’m an Android Developer with 5+ years of experience building and supporting mobile applications using Kotlin, Java, Android SDK, and Jetpack Compose, delivering reliable user experiences across healthcare and e-commerce. I enjoy turning product requirements into clean, maintainable UI and robust app flows using MVVM, lifecycle-aware components, and responsive design. I’ve worked on integrating REST and GraphQL APIs, implementing offline storage and caching with Room/SQLite, and resolving production issues using tools like Firebase Crashlytics and Sentry. In Agile teams, I focus on stability, performance, and continuous improvement—supporting releases end-to-end with automated testing, debugging, and CI/CD pipelines.

Nishil R. Raiyarela

App Developer, Web Developer, Game Developer, +5

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I’m an Android Developer with 5+ years of experience building and supporting mobile applications using Kotlin, Java, Android SDK, and Jetpack Compose, delivering reliable user experiences across healthcare and e-commerce. I enjoy turning product requirements into clean, maintainable UI and robust app flows using MVVM, lifecycle-aware components, and responsive design. I’ve worked on integrating REST and GraphQL APIs, implementing offline storage and caching with Room/SQLite, and resolving production issues using tools like Firebase Crashlytics and Sentry. In Agile teams, I focus on stability, performance, and continuous improvement—supporting releases end-to-end with automated testing, debugging, and CI/CD pipelines.…I’m an Android Developer with 5+ years of experience building and supporting mobile applications using Kotlin, Java, Android SDK, and Jetpack Compose, delivering reliable user experiences across healthcare and e-commerce. I enjoy turning product requirements into clean, maintainable UI and robust app flows using MVVM, lifecycle-aware components, and responsive design. I’ve worked on integrating REST and GraphQL APIs, implementing offline storage and caching with Room/SQLite, and resolving production issues using tools like Firebase Crashlytics and Sentry. In Agile teams, I focus on stability, performance, and continuous improvement—supporting releases end-to-end with automated testing, debugging, and CI/CD pipelines.

Available to hire

I’m an Android Developer with 5+ years of experience building and supporting mobile applications using Kotlin, Java, Android SDK, and Jetpack Compose, delivering reliable user experiences across healthcare and e-commerce. I enjoy turning product requirements into clean, maintainable UI and robust app flows using MVVM, lifecycle-aware components, and responsive design.

I’ve worked on integrating REST and GraphQL APIs, implementing offline storage and caching with Room/SQLite, and resolving production issues using tools like Firebase Crashlytics and Sentry. In Agile teams, I focus on stability, performance, and continuous improvement—supporting releases end-to-end with automated testing, debugging, and CI/CD pipelines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Javanese

Advanced

Work Experience

Mobile Application Developer at Shopify

February 1, 2025 - Present

Delivered checkout and cart improvements using React Native, Kotlin, and Swift, increasing completed purchases by 18% through simplified flows and reducing drop-offs across multi-step transaction journeys. Integrated GraphQL and REST services to support real-time product availability and order tracking, reducing data mismatch issues by 25% across concurrent mobile sessions. Reworked rendering logic and state transitions, reducing average screen load time by 30% and improving responsiveness during peak usage periods. Set up CI/CD pipelines with GitHub Actions and Fastlane, cutting release turnaround time by 40% and removing manual deployment steps across staging and production environments. Analyzed crash patterns using Crashlytics and Sentry, resolving recurring failures and improving crash-free sessions from 96% to 99% across devices and OS versions.

Android & Mobile Application Developer at CitiusTech

June 1, 2021 - December 1, 2023

Developed Android healthcare application modules using Kotlin, Android SDK, and MVVM architecture supporting stable workflows across patient and clinical management systems. Integrated REST APIs, FHIR services, and healthcare data exchange workflows, reducing synchronization issues by 28% while aligning with HIPAA requirements. Implemented offline storage with Room and SQLite, enabling uninterrupted usage during network instability and reducing operational disruptions by 35%. Enhanced API handling and backend synchronization with Retrofit and Coroutines, improving responsiveness. Built reusable UI components with Jetpack Compose and XML layouts; assisted Flutter platform channel integrations and Android-side implementations for native feature access. Supported automated testing with JUnit and Espresso, improving regression validation coverage. Worked in Agile teams with QA and business analysts for feature delivery and issue resolution.

Software Developer (Mobile & Cross-Platform) at CitiusTech

June 1, 2021 - December 1, 2023

Built cross-platform healthcare applications using Flutter and React Native, improving patient engagement by 20% through consistent performance across Android and iOS devices used in clinical workflows. Implemented integrations with FHIR APIs and HL7 messaging systems, reducing data exchange errors by 28% while maintaining compliance with healthcare data standards. Designed offline functionality using SQLite and caching strategies, allowing applications to operate during network interruptions and reducing user disruption by 35%. Refined request handling and synchronization logic, reducing API response delays by 22% and improving accuracy of patient data across mobile interfaces. Introduced automated testing using JUnit and Appium, reducing regression defects by 30% and improving release reliability across multiple deployment cycles.

Associate Android Developer at Cybage Software

September 1, 2020 - May 1, 2021

Developed Android features using Java, Kotlin, and Android SDK to enhance responsiveness and stability across devices. Integrated REST APIs and third-party SDKs to secure data exchange and reliability. Identified and fixed performance bottlenecks related to lifecycle handling, memory usage, and API processing, reducing crash rates by 18%. Created unit tests and participated in QA validation to improve code quality and release readiness. Collaborated with senior developers in Agile environments for delivery and production support.

Associate Software Engineer (Mobile Applications) at Cybage Software

September 1, 2020 - May 1, 2021

Developed Android features using Java and Kotlin, improving interface responsiveness by 15% through better lifecycle handling and structured component design. Integrated REST APIs and third-party SDKs, reducing data transfer errors by 20% and improving reliability across multiple application modules. Identified and fixed performance bottlenecks, reducing application crash rates by 18% across different Android devices and operating system versions. Created unit test cases and supported QA validation, increasing code coverage by 25% and reducing defects in production releases. Participated in Agile development cycles, contributing to sprint planning, code reviews, and timely delivery of mobile features aligned with project requirements.