Play Store Link
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SOFTWARE DEVELOPER

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About

Here is a little background

Hey 🀚 I'm a ο»Ώz developer in Hanoi. I specialize in cross-platform mobile development with React Native and Flutter, and I’m also comfortable working with ReactJS, Tailwind, Node.js, Java, etc. I’ve worked on deploying apps to Google Play, the App Store, and setting up back-end environments on Ubuntu Server for websites and APIs.

Experience

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Fullstack Developer

HLG VN

Sun Jan 01 2023 - Present

β€’ Develop mobile software using React Native
β€’ Develop website using ReactJS, NextJS
β€’ Develop RESTful API using Node.js
β€’ Using Google API, LIFF, Redux, Tailwind, SQL,... to implement
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Fullstack Developer

Personal Project

Sun Jan 01 2023 - Present

β€’ Develop mobile software using React Native, Flutter
β€’ Develop website using React
β€’ Develop RESTful API using Node.js, Postges
β€’ Using Google API, LIFF, Redux, Tailwind, SQL,... to implement
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Android Kotlin Developer

iM VN

Sat Jan 01 2022 - Sun Jan 01 2023

β€’ Develop mobile app using Android Kotlin
β€’ Using Firebase to implement features
β€’ Implement some BE features by Node.js
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Mobile Developer

MRS VN

Tue Jan 01 2019 - Sat Jan 01 2022

β€’ Develop mobile app using React Native
β€’ Using Firebase to implement features
β€’ Manage mobile development team with Japanese Customers
β€’ Communicate with customers about product issues
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Skills

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Projects

Rocket.chat

A real-time messaging app with voice and video calling based on RocketChat open source
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Engineered native modules that enabled seamless real-time voice and video calling, reducing latency by 25%. Resolved over 20 critical performance issues, boosting app stability and reducing crash rates by below 40%. Designed and implemented system architecture for seamless communication across platforms. Contributed to ongoing maintenance, ensuring a 99.9% uptime for Customer in Japan.

Seal Management Application

A digital signature management application for personal use
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Designed and implemented user-friendly interfaces. Process management. Integrated backend APIs for signature verification and management. Ensured data security and compliance with digital signature standards. Fix bug, Maintenance.

Pharmacy Management

A pharmaceutical management app for tracking inventory, managing employees, and scheduling tasks
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Implemented dynamic employee scheduling features, cutting task allocation time by 30% for 300+ active users. Implemented store appointment booking, order placement features for online sales staff, reducing manual time by 40%. Created comprehensive reporting tools (e.g., inventory, employee reports , store revenue reports), automating workflows and saving 30% manual effort. Ensured regular updates and bug fixes, improving app performance and reliability.

Car Map Application

A car navigation app with real-time alerts and turn-by-turn directions
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Design navigation and routing features for vehicles with over 1000 users. Improve user interface on different screen sizes Integrate traffic sign warnings, real-time directions and route optimization. Optimize for multiple Android devices to reduce memory usage to less than 35%. Fix bug and maintenance.

Invoices Management System

An e-invoice management system integrated with LINE and Google Drive for storage and sharing
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Implemented Google API integration for document storage in Google Drive, Google Login. Improved upload system reduces error rate to below 10% System integration with Line application. Developed RESTful APIs for backend data handling. Fix bug and performance improvement.

AI Application

A chat-based mobile application powered by Google's Gemini AI for information retrieval and conversational interactions
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Developed an intuitive chat interface. Integrated Firebase for user data storage and management. Enhanced AI application performance, achieving a 20% reduction in response time through optimized API calls.
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Contact

I have got just what you need. Lets talk.

contact@s3xygod.top

bangpham.it@gmail.com

CαΊ§u GiαΊ₯y, HΓ  Nα»™i, Việt Nam