Hi, I'm Bijoy Kumar Nath

Full Stack App Developer

Full Stack App Developer with 3+ years' experience in Android, Flutter, and backend development. Skilled in building scalable mobile apps, API integrations, and performance optimization. Committed to delivering user-focused solutions that drive business impact through collaborative development.
Available for freelance projects and full-time opportunities

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Bijoy Kumar Nath Profile Picture

Bijoy Kumar Nath

Full Stack App Developer

Featured Projects

Here are some of my recent works

ADI BOOK - INSTRUCTOR

ADI BOOK - INSTRUCTOR

ADI Book: Instructor Module – a comprehensive app for driving instructors featuring lesson scheduling, pupil management (progress, payments, test readiness), messaging, automated reminders, diary customization, calendar sync, and offline access.

Flutter REST API Firebase PayPal
Client: Alphabyte Tech
Parent Box - Positive Parenting Gifting Method

Parent Box - Positive Parenting Gifting Method

Parent Box: Positive Parenting Gifting Method – an app that transforms gift-giving into a mini treasure hunt, where children aged 8+ must answer inspirational quizzes to uncover clues and build patience, problem-solving skills, and create joyful, memorable experiences.

Kotlin Firebase Authentication Firebase Realtime Database
Freelance
Plan 4 Care - Home Care

Plan 4 Care - Home Care

Plan 4 Care – a home care app providing caregivers with daily schedules, check-in/check-out task guidance, offline support, reporting history, and on-call client access for efficient, professional care management.

Flutter Java REST API SQLite
Client: Alphabyte Tech
EOD365

EOD365

EOD365 streamlines workflow with real-time tracking, activity monitoring, and detailed reporting. Ideal for teams of any size, it enhances efficiency across desktop, web, and mobile platforms.

Flutter REST API Stripe
Client: TRY Solutions LLC
Driving Exam Route

Driving Exam Route

Driving Exam Route – a driving test preparation app offering 2,500+ UK test routes across 300+ test centres, with voice-guided and map-based navigation to help learners build confidence and familiarity before their practical driving exam.

Flutter REST API Mapbox Revenue Cat
Client: Alphabyte Tech
Driving Theory Test Kit UK

Driving Theory Test Kit UK

Driving Theory Test Kit UK – an app with DVSA question bank, hazard perception videos, mock tests, and progress tracking to help learners prepare for the UK driving theory exam.

Flutter REST API
Client: Alphabyte Tech
Josh VPN App

Josh VPN App

Enjoy unlimited, fast, and secure browsing with our free VPN. No sign-ups, no hassle—just one tap to protect your data and bypass restrictions. Download now for true online freedom!

Flutter OpenVPN Server Firebase Remote Config
Personal

Work Experience

My professional journey

Alphabyte Tech

Fulltime

Senior Software Engineer (App)

Jun 2025 - Present

Working as a Senior Software Engineer specializing in mobile app development, focusing on building scalable and user-focused applications using modern technologies and best practices.

TRY Solutions LLC

Fulltime

App Developer (Android & Flutter)

Apr 2023 - May 2025

Developed cross-platform mobile applications using Android (Java/Kotlin) and Flutter. Worked on multiple client projects involving API integrations, database management, and UI/UX optimization. Delivered high-quality applications with focus on performance and user experience.

Diligite

Parttime

Junior Software Engineer (Android)

Mar 2022 - Mar 2023

Started career as Junior Android Developer, working on native Android applications using Java. Gained experience in mobile app development lifecycle, debugging, testing, and collaborating with cross-functional teams.

Education

My academic background and qualifications

Master's of Science in Computer Science & Engineering

Jagannath University

2025 - Present

Bachelor of Technology in Computer Science & Engineering

Adamas University

2018 - 2022

Higher Secondary Certificate in Science

Islamia Degree College

2015 - 2017

Secondary School Certificate in Science

Kazem Ali High School

2010 - 2015

Technical Skills

Technologies I work with

Mobile Development

Android Development (Proficiency: 95%)
Flutter Development (Proficiency: 95%)
Android Studio (Proficiency: 90%)
Mobile App Architecture (Proficiency: 85%)
UI/UX Optimization (Proficiency: 85%)

Programming Languages

Java (Proficiency: 90%)
Dart (Proficiency: 90%)
Kotlin (Proficiency: 85%)
Python (Proficiency: 75%)
PHP (Proficiency: 80%)
SQL (Proficiency: 85%)
C (Proficiency: 70%)

Backend Development

REST API Development (Proficiency: 90%)
API Integration (Proficiency: 90%)
Laravel (Proficiency: 80%)
Backend Architecture (Proficiency: 80%)

Database Management

MySQL (Proficiency: 85%)
SQLite (Proficiency: 90%)
Firebase Realtime Database (Proficiency: 85%)
Database Design (Proficiency: 80%)

Tools & Frameworks

Git/GitHub (Proficiency: 90%)
Firebase (Proficiency: 85%)
WordPress (Proficiency: 75%)
Android Studio (Proficiency: 95%)

Other Skills

Debugging & Testing (Proficiency: 90%)
Software Architecture (Proficiency: 80%)
Team Collaboration (Proficiency: 90%)
Agile Development (Proficiency: 85%)

Get In Touch

Let's work together on your next project

Contact Information

Email

bijoykumarnath999@gmail.com

Phone

+8801831980819

Location

Dhaka, Bangladesh

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