Hello, I'm

Shariar Nafiz

Software Engineer | Mobile Application Specialist

Focused on
Flutter

Building high-performance, scalable applications with a focus on hardware-level integration and robust backend architectures.

Tech Stack

FlutterAndroidJetpackKotlinDartJava
Shairar Nafiz
Shariar Nafiz
Available for Work

About Me

I'm a passionate Mobile Software Engineer with 2+ years of professional experience building production-grade Flutter and Android applications.

Focused on building functional, scalable applications across various industries. Specializing in hardware-level integration (BLE, NFC, IoT), AI-powered systems (RAG), and backend engineering using Spring Boot and PostgreSQL. Experienced in architecting and deploying production-grade solutions on GCP and DigitalOcean.

2+

Years Experience

5+

Live Apps

10+

Tech Stacks

100%

Commitment

Work Experience

A snapshot of my professional journey in building scalable, production-grade applications.

Software Engineer (L2)

Qtec Solution Limited

June 2025 – Present

Application Development

Design and develop high-performance mobile and web applications across various domains, ensuring scalability and clean code architecture.

Hardware & IoT Integration

Expertise in hardware-level integration using BLE, NFC, and other embedded devices by bridging Flutter with Native Kotlin/Java for robust communication.

AI & Data Management

Implementing AI capabilities like RAG and managing complex data systems with PostgreSQL, Spring Boot, and Cloud infrastructure.

Technologies Used
FlutterRiverpodBlocClean ArchitectureNFCBLESpring BootPostgreSQLGCPDigitalOceanGit

Junior Software Engineer

GizanTech

September 2024 – May 2025

Cross-Platform SDK

Developed high-performance cross-platform mobile apps with Flutter and Native Android bindings.

IoT & Hardware Integration

Integrated BLE & ESP32 devices directly into the app for real-time hardware interactions and controls.

Advanced Networking

Architected solutions utilizing gRPC, REST, and WebSockets for instantaneous data transfer.

App Publishing & Delivery

Successfully published and maintained applications on the Google Play Store and Apple App Store.

Technologies Used
FlutterProviderGetXAndroid SDKKotlinBLEESP32gRPCWebSocketRESTGit

Android Developer Intern

Appnotrix

6 Months Internship

Native Android Development

Built native Android apps using Java and XML, adhering to material design principles.

Local & Realtime Databases

Worked with Firebase Realtime Database and SQLite for persistent data storage and syncing.

Technologies Used
JavaXMLFirebaseRealtime DBSQLiteAndroid StudioMaterial DesignVersion Control

Technical Proficiency

Specialized in creating high-performance mobile applications across various platforms and technologies.

Mobile & Frontend

Developing cross-platform and native apps with modern web frameworks.

Flutter
Jetpack Compose
React & Next.js

Backend & Cloud

Architecting scalable server-side solutions and cloud infrastructure.

Springboot
Firebase & Supabase
PostgreSQL & GCP

Architecture & AI

Implementing clean architectural patterns and integrating AI solutions.

Clean Architecture
Riverpod / Bloc
RAG AI & GenAI

Others Skills

DartLanguage
KotlinLanguage
JavaLanguage
TypeScriptLanguage
Tailwind CSSWeb
RiverpodState
BlocState
Clean ArchitectureArch
DockerDevOps
NFC IntegrationMobile
DigitalOceanCloud
GCPCloud
Git & CI/CDTools
BLE & ESP32Hardware
gRPC & WebSocketNetwork
REST APIsNetwork
GitHub ActionsCI/CD
Provider/GetXState

My Projects

A Glimpse Into My Mobile Application Development Journey & My Passion for Creating Innovative Solutions.

Fusion App
Fusion App
Cross-platform mobile app enabling communication with Starlink and custom ESP32 hardware via gRPC & WebSockets.
FluttergRPCWebSocketESP32REST
Bechakeena B2B
Bechakeena B2B
B2B e-commerce platform for seamless procurement, order management, and multi-currency support.
FlutterDartFirebaseREST APIs
Sdpify
Sdpify
A reusable Flutter utility package (pub.dev) that automatically adapts UI sizes based on device resolution via .sdp extensions.
FlutterDartPackage Dev

Education & Certifications

Solid base in Android and programming, advancing in algorithms and mobile development.

Academic Education

BSc in Computer Science & Engineering

Southeast University

2024 - Present

Currently pursuing advanced coursework in Java, Discrete Mathematics, and Data Structures & Algorithms, with a strong emphasis on problem-solving and software engineering principles.

Diploma in Computer Engineering

Comilla Polytechnic Institute

2019 - 2023

Completed foundational studies in computer science with a focus on Android development, Java, and core topics including data structures, networking, and database systems.

Certifications

Android Apps Development

IT Bangladesh

4 Months

Cracking Coding Interview

Ostad.app

4 Months

Blogs

From Code to Impact: My Mobile Dev Story

The Evolution of Kotlin for Android Development
May 2, 2025
6 min read
The Evolution of Kotlin for Android Development
Exploring how Kotlin has transformed Android app development over the years.
KotlinAndroid
Flutter vs Jetpack Compose: Choosing the Right Framework
April 15, 2025
8 min read
Flutter vs Jetpack Compose: Choosing the Right Framework
A detailed comparison of Flutter and Jetpack Compose for modern mobile app development.
FlutterJetpack Compose
Implementing Effective State Management in Mobile Apps
March 28, 2025
5 min read
Implementing Effective State Management in Mobile Apps
Best practices for managing state in complex mobile applications.
State ManagementArchitecture

Get In Touch

I'm always interested in new opportunities, collaborations, or just a friendly chat. Feel free to reach out!

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