Mehedi Hassan Piash — CTO

I’m a professional mobile app developer with 10 years of experience, specializing in Android, React Native, and Kotlin Multiplatform. Beyond coding, I’m passionate about writing articles and actively contributing to open-source projects. My expertise spans a range of technologies, including: 📱 Android Development • Architecture: MVVM, Hilt, Dagger2, Jetpack Compose, Architecture Components • UI/UX: Material Design, Compose UI, Data Binding, View Binding, Google Maps, Lottie, Glide, Coil • Async & Data: Kotlin Coroutines, Flow, WorkManager, Room, Realm, DataStore, SharedPreferences • Networking: Retrofit, Volley, Async-Http, REST APIs, JSON Handling • Others: KTX libraries, Push Notifications (FCM/SNS), Firebase Analytics 🌐 Kotlin Multiplatform (Compose Multiplatform) • UI/UX: Compose UI, ViewModel, Compose Navigation, Precompose, Material3, Theming & Styling • Networking: Ktor Client, Kotlin Serialization, REST APIs, JSON Handling, Error Handling • Async & Data: Coroutines, Flow, Multiplatform Suspend Functions, Background Tasks • DI & State: Koin, StateFlow • Image: Coil, Landscapist ⚛️ React Native | Expo • Core: React Hooks, Redux Toolkit, Redux-Saga, Redux-Persist, Zustand, Zod • Navigation: React Navigation, Expo Router • Networking & Storage: Axios, RTK Query, AsyncStorage, React Native MMKV • UI/UX: Expo UI, React Native Paper, FlashList, Legendlist, React Native Reanimated, Pagination • Native Features: RN Bridge, Turbo Module, Push Notifications, RN Firebase, React Native Maps, React Native Permissions 👨‍💻 Languages • Kotlin, TypeScript, Java, JavaScript 🧪 Testing Frameworks • JUnit, Jest, Mockito 🔄 CI/CD & Automation • GitHub Actions, Bitrise 💳 Payment Gateways • PayJP, SSLCommerz, PortWallet 🗂️ Version Control Systems • Git, Github, Gitlab, Bitbucket 🔍 Code Review Platforms • Gerrit Code Review Server 📌 Project & Task Management • Jira, Confluence, Clickup, Redmine, Trello 💡 Passion and Interests • Problem Solving, Technical Blogging, Open Source Contribution ✍️ Blog • piashcse.blogspot.com 🌐 Portfolio • piashcse.github.io

Stackforce AI infers this person is a Mobile App Developer specializing in B2C applications across E-commerce and Transportation sectors.

Location: Dhaka, Bangladesh

Experience: 9 yrs 7 mos

Skills

Android Development
React Native

Career Highlights

10 years of experience in mobile app development.
Expertise in Android, React Native, and Kotlin Multiplatform.
Passionate about open-source contributions and technical blogging.

Work Experience

Dcastalia Limited

Tech Lead (1 yr 3 mos)

Field Nation

Senior Software Engineer (2 yrs 6 mos)

BJIT

Senior Software Engineer(android & react-native) (3 yrs 6 mos)

TechCare Technologies Limited

Senior App Engineer (android & react-native) (1 yr)

Champs21

Software Engineer(Android) (7 mos)

AjkerDeal.Com

Software Engineer(Android) (3 mos)

Jr. Software Engineer(Android) (9 mos)

Education

Master's degree at Dhaka International University

Bachelor's degree at Dhaka International University

H.S.C at Ideal College

S.S.C at Joyag Bohumukhi High School

Mehedi Hassan Piash

CTO

Dhaka, Bangladesh9 yrs 7 mos experience

Highly Stable

Key Highlights

10 years of experience in mobile app development.
Expertise in Android, React Native, and Kotlin Multiplatform.
Passionate about open-source contributions and technical blogging.

Stackforce AI infers this person is a Mobile App Developer specializing in B2C applications across E-commerce and Transportation sectors.

Contact

Skills

Core Skills

Android DevelopmentReact Native

Other Skills

AndroidAndroid SDKBitriseCompose MultiplatformConfluenceDaggerDependency InjectionFirebaseGitGithubHiltJSONJavaJavaScriptJetpack Compose

About

Experience

Dcastalia limited

Tech Lead

Dec 2024 – Present · 1 yr 3 mos · Dhaka, Bangladesh

Working as a Tech Lead. Key roles are as follows:
▫ Collaborate with Product, Design, and QA teams to align on requirements and quality.
▫ Define project architecture, optimize performance and reduce the client's pain points.
▫ Take ownership of tasks, making critical development decisions.
▫ Develop robust Android, React Native and Flutter applications.
▫ Manage CI/CD pipelines for streamlined deployments.

HiltAndroid DevelopmentKmpZustandAndroid SDKAndroid+12

Field nation

Senior Software Engineer

Apr 2022 – Oct 2024 · 2 yrs 6 mos · United States

➤ Worked as a Senior Software Engineer. Key roles are as follows:
▫ Collaborate with Product, Design, and QA teams to align on requirements and quality.
▫ Enhance project architecture, optimize performance, improve UX and reduce user pain points.
▫ Develop robust Android and React Native apps.
✦ Key Achievements:
▫ Successfully rearchitected the native Android app to a React Native app, ensuring seamless cross-platform compatibility.
▫ Optimized file upload handling, reducing failures and improving reliability.
▫ Resolved session-related logout issues, enhancing user authentication stability.
▫ Improved Play Store rating from 1.4 to 4.0 by addressing key user concerns and refining the overall app experience.
▫ Enhanced on site order feature

BitriseFirebaseConfluenceRedux-SagaAndroid DevelopmentJSON+18

Bjit

Senior Software Engineer(android & react-native)

Oct 2018 – Apr 2022 · 3 yrs 6 mos

➤ Served as Senior Software Engineer and Tech Lead with key responsibilities:
▫ Managing projects, estimating timelines, and analyzing requirements.
▫ Developing Android and React Native applications.
▫ Architecting and planning projects effectively.
▫ Leading team collaboration and alignment.
▫ Following Scrum practices for efficient, iterative development.
✦ Contributed to the following apps:
▫ +Style: An IoT-based app using Tuya SDK. [android, kotlin, MVVM]
▫ Light Cafe: E-commerce app. [android, Kotlin, MVVM]
▫ KDDI: A tourist app like Disney World. [android, kotlin, MVVM]
▫ JAJA TV: Jajatv [react-native, redux, redux-saga]

HiltFirebaseConfluenceModel-view-viewmodel (MVVM)Project EstimationRedux-Saga+21

Techcare technologies limited

Senior App Engineer (android & react-native)

Sep 2017 – Sep 2018 · 1 yr

➤ Served as Senior Software Engineer. I developed the following applications:
▫ Rokomari: Android app for online book sales
▫ TopUp: Android app for mobile top-up services
▫ Pooka: Android app for online story sharing
▫ SKOO: Ride-sharing app (iOS and Android) built with React Native and Redux
▫ Grand Limousines: Ride-sharing app (iOS and Android) developed using React Native and Redux

FirebaseAndroid DevelopmentJSONGithubJavaReact Native+2

Champs21

Software Engineer(Android)

Jan 2017 – Aug 2017 · 7 mos

➤ As a Software Engineer, I contributed significantly to the Classtune and Hurray apps by implementing key features:
▪️ Classtune App Contributions:
▫ Upgraded the API architecture from AsyncHttpClient to Retrofit for improved performance and scalability.
▫ Developed the Classwork feature for seamless classroom interactions.
▫ Enhanced overall app performance and responsiveness.
▫ Resolved numerous bugs, leading to a more stable and user-friendly experience.
▪️ Hurray App Contributions:
▫ Implemented comprehensive login and registration features, including Facebook and Google authentication.
▫ Designed and built a dynamic, content-rich homepage with multiple, customizable sections.
▫ Developed a fully functional shopping cart to streamline the user purchasing experience.
▫ Built an order history section to help users track their past purchases.