01
Professional development
SOFTWARE ENGINEER · BASED IN JAPAN
HELLO, I’M UDDIN SAHAB
Turning complexity
into useful software.
Web Developer / Software Developer
I’m Uddin Sahab, a software engineer with 3.5+ years of professional experience. I’ve developed numerous websites, web applications, business platforms and internal systems across industries — bringing practical engineering together with AI and machine-learning research.
- Professional experience
- 3.5+ years
- Development focus
- Full-stack
- Practical delivery
- APIs & systems
ENGINEERING × CURIOSITY
Uddin Sahabウディン・サハブSaitama, Japan
BASED IN JAPANBuild. Research. Improve.Software engineering + AI research
01 — PORTFOLIOWEB / SOFTWARE / AI
Core development stack
PHP / LaravelJava / Spring BootReact / VuePython / AINode.jsSQL
01 / THE BIGGER PICTURE
Engineering that connects the dots.
My work connects thoughtful interfaces, dependable APIs and the business logic behind them. Across corporate websites, healthcare-related web systems, e-commerce and internal software, I bring experience across the development lifecycle — from understanding requirements to deployment and continuous improvement.
I’m building a long-term career in Japan and am open to software, frontend, backend, web systems, SaaS, automation and AI/data-related opportunities. I bring practical experience, curiosity and a willingness to learn what the problem needs.
BangladeshChinaJapan
Founder of Nihongo Tomodachi02 / CORE SKILLS & TECH STACK
Frontend. Backend. Working systems.
02
Professional development
Backend & systems
03
Academic / research experience
Data & AI research
04
Professional development
Applications & delivery
03 / PROFESSIONAL JOURNEY
Experience that goes beyond the code.
Jan 2026 — Sep 30, 2026Japan · Full-timeTyoho Group Co., Ltd.Software Developer
Corporate websites, internal business applications and software maintenance in a Japanese working environment.
- Developed and maintained Tyoho Group, KingBaby, Ochiba and JIEF websites.
- Worked on JIEF Publisher and Tyoho Social Media Publisher using Electron.js and related web technologies.
- Contributed across requirements, design, development, APIs, databases, testing, debugging, deployment and maintenance. Work also included WeChat Mini Program and Android-related development.
Jan 2024 — Oct 2025RemoteATT DesignFull-Stack Web Developer
Full-stack development and ongoing support across multiple client websites and web applications, from responsive interfaces and WordPress customization to hosting, deployment and maintenance.
- Developed and updated client and corporate websites, translating requirements and page designs into responsive frontend interfaces with connected backend functionality.
- Built and customized WordPress websites, managed CMS content and page updates, and maintained existing sites alongside new client projects.
- Implemented application features, database functionality and REST API integrations using PHP, Laravel, React, Vue.js and MySQL as appropriate to each project.
- Handled domain and hosting management, server and hosting maintenance, website deployment and technical troubleshooting.
- Fixed bugs, improved page performance and responsive layouts, and supported basic SEO and website optimization during ongoing maintenance.
- Coordinated client requests, delivered website updates and provided technical support after launch.
Apr 2024 — Oct 2024Remote · HealthcareNortech Medical HealthFull-Stack Developer
Development and maintenance of healthcare-related company websites and web systems, combining responsive frontend work, WordPress content management and backend integrations.
- Developed and updated website pages and frontend layouts, adapting content and interfaces for desktop and mobile use.
- Worked on WordPress development and customization, CMS management and routine company website content updates.
- Implemented and maintained PHP, JavaScript, REST API and MySQL functionality for the supporting web systems.
- Investigated website issues, fixed bugs and made performance and usability improvements as part of ongoing maintenance and technical support.
- Carried out this remote engagement concurrently with ATT Design.
Feb 2023 — Aug 2023Software developmentEclipse Intellitech LimitedFront-End Developer
Frontend implementation for company websites and a POS software system, with practical work on responsive design, WordPress updates and website maintenance.
- Translated website designs into responsive pages using HTML, CSS, JavaScript, Bootstrap, jQuery, React and Vue.
- Built and improved store-staff interfaces for the POS system, connecting frontend screens with application functionality.
- Contributed to PHP and WordPress company website development, customization and page-content updates.
- Maintained existing website interfaces, fixed layout and functional bugs, and improved mobile usability and page performance.
- Supported frontend/backend integration, release checks and technical troubleshooting for website updates.
Aug 2022 — Jan 2023Software developmentDigital Marketing Solutions Pvt LtdLaravel Developer
Laravel backend development and maintenance for a multi-vendor e-commerce website, covering application features, API integrations, databases and ongoing website improvements.
- Developed PHP/Laravel application logic, REST APIs and MySQL database functionality for the e-commerce platform.
- Connected website interfaces to backend services and supported changes to website features and data flows.
- Investigated and fixed application bugs, maintained existing functionality and improved backend performance and reliability.
- Used Git and GitHub to manage code changes and collaborate on website maintenance and feature updates.
- Supported deployment, release troubleshooting and technical maintenance of the web application.
04 / SELECTED WORK
A few projects. A much wider journey.
A selection from a growing body of websites, web applications, business systems and research. These examples show the range of problems I enjoy working on.
Software development
Professional internal software
Desktop business applications developed at Tyoho Group in Japan.
Explore project
Contributed to JIEF Publisher and Tyoho Social Media Publisher as a Software Developer at Tyoho Group. Work included development, debugging, maintenance and feature improvements. Company source code and internal implementation details are not shared.
Software development
Food delivery web application
A full-stack web application built with a JavaScript-based stack.
Explore project
Food delivery web application using React, Node.js and MongoDB. Detailed role, implementation and feature documentation will be added after review.
Software development
Face recognition system
A Python-based computer vision project exploring face recognition.
Explore project
Face recognition system developed with Python and OpenCV. Detailed implementation and evaluation documentation will be added after review.
Software development
Student attendance system
A web-based management system focused on student attendance.
Explore project
Student attendance web application using PHP and MySQL. Detailed role and feature documentation will be added after review.
Academic researchUnpublished paper
Climate Detection and Forecasting System Based on Deep Learning and Multi-Sensors
Deep learning meets multi-sensor data to forecast next-day maximum temperature.
Explore project
Climate Detection and Forecasting System Based on Deep Learning and Multi-Sensors. This research paper is not yet published. Research implementation using 3,654 records × 9 features, a 70/15/15 train/validation/test split, 10 time steps and MinMaxScaler. Evaluated RNN, LSTM, GRU, BiLSTM and CNN-LSTM; the final application used LSTM with Flask and Chart.js. Approximate previous results: LSTM MSE 9.28, MAE 2.43, R² 0.876; GRU MSE 8.98, MAE 2.28, R² 0.880; CNN-LSTM MSE 10.96, MAE 2.53, R² 0.853.
Academic researchPublished
Depth-Aware Pothole and Speed Bump Detection Using Integrated MiDaS and YOLO for Autonomous Driving
Academic computer vision research into pothole and speed bump detection.
Explore project
Published research on depth-aware pothole and speed bump detection for autonomous driving, integrating MiDaS and YOLO. The paper is available on IEEE Xplore.
Academic researchPublished
A Deep Learning-Based Approach to Classification of Hematological Diseases
Exploring deep learning for medical image classification.
Explore project
Academic hematological disease classification research using VGG19. Reported research accuracy: 97.83%. The paper is available on IEEE Xplore. The reported accuracy is a research result, not a clinical validation claim.
Academic researchPublished
Social Media Post Detection using Natural Language Processing and Machine Learning Classifiers
Research on social media post detection using natural language processing and machine-learning classifiers.
Explore project
Second author / research contributor. Compared machine-learning classifiers for social media post detection; SVM achieved the best performance among the evaluated approaches. The paper is available on IEEE Xplore.
05 / AI, DATA & PUBLICATIONS
Curiosity, backed by experimentation.
My academic work explores AI, deep learning, NLP and computer vision, with three published papers available on IEEE Xplore. I use Python for preprocessing, model training, evaluation and visualization. My climate detection and forecasting research paper is not yet published.
Unpublished paper
Climate Detection and Forecasting System Based on Deep Learning and Multi-Sensors
Python / LSTM / Flask / Chart.js
Published
Depth-Aware Pothole and Speed Bump Detection Using Integrated MiDaS and YOLO for Autonomous Driving
MiDaS / YOLO
Published
A Deep Learning-Based Approach to Classification of Hematological Diseases
VGG19 / Deep Learning
Published
Social Media Post Detection using Natural Language Processing and Machine Learning Classifiers
NLP / Machine Learning / SVM
An additional interest: exploring market data
I occasionally follow cryptocurrency markets after previous personal trading experience. My technical interests include time-series data, statistical analysis, Python-based processing and visualization. This is a personal data interest, not professional financial employment.
06 / EDUCATION & TRAINING
Always building on what I know.
2024 — 2025
Graduate Studies in Software Engineering
Southwest University of Science and Technology
China · Mar 2024 – Dec 2025. Graduate-level coursework and AI / Deep Learning research; Master’s degree not completed.
2018 — 2023
BSc in Software Engineering
Hubei University of Technology
Wuhan, China · Sep 2018 – Dec 2023 · GPA 3.56. Built professional IT skills and began a development career while temporarily in Bangladesh during COVID-19.
2014 — 2018
Diploma in Computer Technology
Dhaka Polytechnic Institute
Apr 2014 – Feb 2018 · GPA 3.39
2011 — 2013
Secondary School Certificate (SSC)
Netrokona Government Technical School & College
Apr 2011 – Mar 2013
ISDB-BISEW · IT SCHOLARSHIP PROGRAMME, ROUND-51
Professional Web Application Development
460 hours · Certificate 1269514 · Issued May 16, 2023
Training in frontend, backend, databases and full-stack web application development.
07 / MODERN DEVELOPMENT
AI-assisted. Engineer-led.
I use ChatGPT, Claude, Gemini and Grok to support coding, debugging, research, documentation and learning. I independently read and write code, design application logic, work with databases and APIs, and test the result. AI accelerates the work; engineering judgment guides it.
How I work
Understand
Clarify requirements, confirm important specifications and define the problem before implementation.
Explore & build
Research unfamiliar technologies, experiment thoughtfully and connect interfaces, APIs and data.
Test & improve
Debug, test, verify technical details and maintain systems through their development lifecycle.
08 / AT HOME IN JAPAN
Global perspective. Local commitment.
Professional experience with Japanese colleagues has strengthened my approach to clear communication. I confirm unclear requirements, organize specifications and use written communication and appropriate tools to verify important details.
BengaliNative
EnglishBusiness level
JapaneseJLPT N4 registered for Dec 2026 · Studying N3
ChineseBasic conversational
Hindi / UrduConversational
Bangladeshi national · Japan residence status: Engineer / Specialist in Humanities / International Services (技術・人文知識・国際業務). Valid until January 13, 2029.
09 / FOUNDER & COMMUNITY
Building beyond the brief.
I founded Nihongo Tomodachi as a language-learning and community initiative. It brings together my interest in Japan, education and building useful digital experiences.
Alongside professional engineering, this initiative reflects how I turn an idea into a project: take ownership, keep learning and build something that helps people connect.
Explore Nihongo TomodachiLET’S START A CONVERSATION
Let’s build something useful.
Open to suitable IT and software engineering opportunities in Japan — from web and business systems to AI, data and new technology projects.
Connect with me on LinkedIn to discuss a role, a project or a collaboration.