● Over 9 years of experience in mobile application development, with deep expertise in Flutter — combining breadth business domain knowledge with solid technical depth. ● Skilled at balancing product quality with codebase maintainability while consistently delivering projects on time. ● Experienced in integrating, deploying, and monitoring applications, with strong focus on product health, tracing, user behavior analysis, and system stability. ● Experienced in working directly with clients, or stakeholders to define needs, align expectations, and ensure successful project outcomes.

Actively contributing to the developer community through open-source projects, educational content, and knowledge sharing. Open Source Projects GitHub Portfolio Published Packages Flutter Intro Slider React Native Honeywell Scanner Technical Writing Medium Articles Educational Content YouTube Channel Community Support Stack Overflow

duytq94dev.web.app

Flutter Developer | Designveloper 03/2023 - present ● Fitness domain, smartwatch app with HealthKit/HealthConnect, Spotify & Apple music integration, audio ducking, custom video player, in-app purchase, ads, caching strategy ● Experienced in handling applications with global scope like localization (i18n/l10n), RTL layout adaptation and timezone/DST(daylight saving time) calculation ● App health measurement, monitoring, improvement (performance, crash, ANR) ● Working directly with clients and stakeholders ● Manage mobile team → Able to work under pressure, handle tight deadlines, handle requirement analysis independently, communicating directly with clients to clarify specifications without dedicated BA involvement. Flutter Developer | Tiki 03/2020 - 12/2022 ● Tiki Flutter - Flutter integration, working with native modules, the first man initiates & integrates Flutter to TIKI native app as a module (auth, user profile, order management...) → Implemented cross-platform approaches for selective features, optimizing cost efficiency and empowering developers with diverse choices for future feature development. ● Tiki iOS native app - some features in payment flow ● Tiki Android native app - some features in payment flow ● Tiki React Native (add React Native module to native app) - some features in payment flow React Native Developer | Pharmacity 12/2018 - 02/2020 ● Pharmacity Audit (internal app) - audit products in store by scanning barcodes with Honeywell devices (handle a large amount of data, synchronize using CouchDB & PouchDB, processing barcode input...) → Modernized the scanning process by replacing bulky laptop-connected barcode scanners, enhancing mobility and boosting employee productivity. ● Pharmacity Media (internal app) - runs on Android TV box to play promotional videos on TV at Pharmacity chain stores (live video sync, able to work without internet) → Successfully replaced an existing paid app with an in-house solution, reducing costs and improving efficiency for the company. ● Pharmacity Employee (internal app) - serves internal activities in the company to help employees track working time, view revenue, QA/QC, report... ● Pharmacity POS (internal desktop app made by React + Electron) - for staff at chain stores, when out of stock, they can order online for delivery to customers from other warehouses Android/React Native Developer | Beesight Soft 03/2017 - 11/2018 ● Tacko (Android) - buying and selling hand-carried goods when traveling ● FeedMe (Android) - buying and selling food ● MatchMe (React Native) - connect and join an activity with another person (DynamoDB, Lambda function, Map, Sendbird...) ● BitAds (React Native) - post, view digital cash market (Apollo GraphQL...) ● MSS (React Native) - control, handle the staffs, jobs in the company

Mobile ● Flutter (7+ years' experience), native Android/iOS module integration, smartwatch app ● React Native (3+ years' experience) ● Android (intermediate) ● iOS (intermediate) ● CI/CD (Fastlane, CircleCI, Firebase & Store distribution) Backend (basic understanding) ● NodeJS (Auth, RESTful API, SocketIO) ● AWS (DynamoDB, Lambda function, API Gateway, Cloud Watch, Cloud Formation, Cognito, S3, Lightsail, AWS Amplify) ● Firebase (covers most of its services) Frontend (basic understanding) ● React, Webpack, ElectronJS Others ● Unity3D ● Client-side database

● Experienced in both product and outsourcing companies, with the ability to prioritize the right criteria in each environment to maximize business outcomes. ● Track, monitor app health, user events, business data ● Ability to analyze tracking data to identify user issues and investigate root causes of reported errors. ● Manage mobile team ● Consistently write technical documentation to capture critical technical aspects and coding best practices, ensuring maintainability and smoother knowledge transfer. ● Good English communication ● Working directly with clients

University of Information Technology (UIT) 2013 - 2018 Very good graduation Top graduate (1st)

Full UIT Scholarship - 2014, 2015, 2016, 2017 Students of 5 merits UIT - 2013, 2014 My certificates