👋 Welcome to My Portfolio

Software Developer & Entrepreneur Expert

I'm a tech enthusiast, AI developer, and cybersecurity expert passionate about software development, ethical hacking, and automation. I build AI-driven tools, malware defense systems, and WordPress plugins, shaping the future of IT and security. 🚀

Book A Consultation → Learn More
📚
20+
Years Experience
💼
500+
Projects Completed
😊
1,200+
Happy Clients Worldwide
🎓
10,000+
Students Globally
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🤖
🔒
⚡
🚀
🎯
Debasis Bhattacharjee - Professional Portrait
Available for Projects
20+ Years Exp

As Seen On:

THE INDIAN PUBLISHER
FEATURING DAILY
BUSINESS UPDATE
About Me

Achievements in my professional life.

As a Senior Software Architect and Full-Stack Developer (Web & Desktop), specializing in both web and desktop applications, I bring expertise in designing scalable enterprise software solutions backed by advanced algorithm methodologies and artificial intelligence & machine learning systems.

My proficiency extends to cybersecurity consulting, ethical hacking, and IT security analysis, ensuring robust protection across platforms. Beyond industry applications, I excel as a university lecturer, corporate IT trainer, and online course creator, developing curricula and mentoring the next generation of IT professionals.

As a senior IT researcher, academic journal author & reviewer, research and development lead, and published author in IT & computer science, I actively contribute to advancements in the field. My dedication extends to roles such as curriculum developer for IT & software engineering and IT skills coach & mentor, bridging the gap between research, education, and practical innovation.

Contact Me

Professional Expertise & Leadership

17+ specialized roles across technology & education

💼
Senior Software Architect
Expert
🚀
Full-Stack Developer (Web & Desktop)
⚙️
Enterprise Software Developer
🧠
Advanced Algorithm Specialist
🔒
Cybersecurity Consultant
Pro
🎯
Ethical Hacking & Penetration Tester
🛡️
IT Security Analyst
🤖
Artificial Intelligence & Machine Learning Expert
AI
🔬
Senior IT Researcher
📚
Academic Journal Author & Reviewer
🎓
University Lecturer & Mentor
🔧
Research and Development Lead
✍️
Published Author in IT & Computer Science
👔
Corporate IT Trainer
🎥
Online Course Creator & Instructor
📋
Curriculum Developer for IT & Software Engineering
🏆
IT Skills Coach & Mentor
What I Do

My Quality Services

Explore My Wide Range of Services in Software Development, AI, Cybersecurity, IT Consulting, and Professional Training.

01
💻

Enterprise Software Development

Building robust, scalable enterprise solutions tailored to your business needs. From custom applications to complex system integrations, I architect software that drives efficiency and innovation.

✓ Custom Desktop & Web Applications
✓ Microservices Architecture Design
✓ API Development & Integration
✓ Legacy System Modernization
Full-Stack Cloud
02
🌐

Modern Web Development

Creating stunning, high-performance web applications using cutting-edge technologies. Responsive designs that deliver exceptional user experiences across all devices and platforms.

✓ React, Vue.js & Angular Applications
✓ Progressive Web Apps (PWA)
✓ E-commerce & CMS Solutions
✓ Performance Optimization & SEO
Frontend Backend
03
📱

Mobile App Development

Developing native and cross-platform mobile applications that engage users. From concept to deployment, delivering seamless mobile experiences that users love.

✓ iOS & Android Native Apps
✓ React Native & Flutter Development
✓ Mobile UI/UX Design
✓ App Store Deployment & Maintenance
iOS Android
04
🔒

Cybersecurity Solutions

Protecting your digital assets with comprehensive security solutions. Conducting thorough security audits, penetration testing, and implementing robust defense mechanisms against cyber threats.

✓ Penetration Testing & Ethical Hacking
✓ Security Audits & Compliance
✓ Malware Analysis & Defense Systems
✓ Incident Response & Recovery
Security Protection
05
🤖

AI & Machine Learning

Harnessing the power of artificial intelligence to solve complex problems. Developing intelligent systems that learn, adapt, and provide actionable insights for your business.

✓ Custom AI Model Development
✓ Natural Language Processing (NLP)
✓ Computer Vision & Image Recognition
✓ Predictive Analytics & Data Mining
AI ML
06
🎓

IT Consulting & Training

Empowering teams with knowledge and best practices. Providing expert consulting services and comprehensive training programs to elevate your organization's technical capabilities.

✓ Corporate IT Training Programs
✓ Technology Strategy Consulting
✓ Online Course Creation & Instruction
✓ Technical Mentorship & Coaching
Training Consulting
07
⚡

WordPress Development

Creating powerful WordPress solutions from custom plugins to complete website development. Transforming your vision into feature-rich, scalable WordPress platforms.

✓ Custom Plugin Development
✓ Theme Customization & Development
✓ WooCommerce E-commerce Solutions
✓ WordPress Security & Optimization
WordPress CMS
08
🔬

Research & Development

Leading cutting-edge research in computer science and IT. Publishing academic papers, conducting innovative studies, and contributing to technological advancements in the field.

✓ Academic Research & Publications
✓ Technology Innovation Projects
✓ Journal Peer Review Services
✓ R&D Team Leadership
Research Innovation
🎓

My Education

🎯

BscIT

Computer Science

2002 - 2006
🏆

MscIT

Computer Science

2006 - 2008
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RESEARCH

Software & IT

2020 - Present
💼

My Experience

2020 - Present

Managing Director & CEO

Debmedia Technologies LLP

Leading strategic direction and overseeing all operations of a technology company specializing in software development, AI solutions, and cybersecurity services. Driving innovation and business growth through cutting-edge technological solutions.

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2016 - 2020

Software Team Lead

Schumacher Media, Germany

Managed and mentored a team of developers in creating enterprise-level software solutions. Implemented agile methodologies, improved code quality standards, and successfully delivered multiple high-impact projects for international clients.

💻
2015 - 2016

Freelance Full Stack Developer & Automation Engineer

Independent

Worked independently as a Full Stack Developer, Automation Engineer, AI-Driven Software Developer, SaaS Developer, and MarTech specialist — building growth tools, desktop applications, and marketing technology solutions for global clients.

⚡
2008 - 2015

Junior → Senior Software Developer

Corporate Software Agencies (.NET, Java, PHP)

Started as a Junior Developer and rapidly progressed to Senior Developer within a year at leading software development firms. Worked across enterprise projects using .NET, Java, and PHP, contributing to the full software development lifecycle from requirements gathering to deployment.

🔧
2005 - 2008

Computer Science Lecturer

Vidyasagar Engineering College

Taught computer science and software development to undergraduate students. Watched students secure software jobs earning multiples of a lecturer's salary — a frustration that became the turning point, pushing me to transition into full-stack software development professionally.

🎓
2004 - 2005

Software Faculty

CMC, Brainware & Other Leading IT Institutes

Delivered software training and computer science instruction at leading IT institutes while simultaneously pursuing BscIT. Built a strong foundation in teaching, curriculum delivery, and practical software education from the very start of my career.

📚
My Expertise

My Skills

Here is a comprehensive list of my skills, spanning Software Development, AI & Machine Learning, Cybersecurity, IT Research, and Professional Training. Though all cannot fit in this list, it is a general list of skills.

🌐

HTML5

95%
🎨

CSS3

92%
⚡

JavaScript

88%
⚛️

React

85%
🅰️

Angular

75%
💚

Vue.js

78%
🎯

TypeScript

82%
🔷

Bootstrap

90%
📄

C#.NET

90%
🔵

VB.NET

95%
🟣

PHP

95%
☕

Java

85%
🐍

Python

90%
🟢

Node.js

82%
⚙️

ASP.NET

92%
🔷

Laravel

88%
🐬

MySQL

90%
🗄️

SQL Server

85%
🐘

PostgreSQL

80%
🍃

MongoDB

78%
🔶

Oracle

75%
⚡

Redis

70%
⚛️

React Native

80%
🐦

Flutter

75%
🤖

Android

78%
🍎

iOS

72%
📱

Xamarin

70%
📲

Ionic

68%
🔥

TensorFlow

82%
⚡

PyTorch

80%
📊

Scikit-learn

85%
🧠

Keras

78%
📈

Pandas & NumPy

88%
💬

NLP & GPT

75%
👁️

Computer Vision

72%
🎯

Deep Learning

80%
🔒

Penetration Testing

88%
🎯

Ethical Hacking

90%
🛡️

Malware Analysis

85%
🔐

Cryptography

82%
🌐

Network Security

80%
☁️

Cloud Security

78%
🐙

Git & GitHub

92%
🐳

Docker

85%
☸️

Kubernetes

75%
⚙️

CI/CD

80%
☁️

AWS

82%
☁️

Azure

78%
🐧

Linux

88%
🔵

WordPress

95%
LATEST INSIGHTS

Blog & Articles

Explore my latest thoughts on technology, software development, AI, cybersecurity, and industry trends. Sharing knowledge and insights from years of experience.

⭐Featured
BLOG

100+ High-Authority Backlink Sources (Updated 2026)

There’s a vibrant world of high-authority backlink sources waiting for you to explore in 2026. These links can significantly boost your website’s search engine rankings and online visibility. By utilizing this comprehensive list, you’ll find reliable platforms to earn valuable backlinks, enhancing your domain authority and driving more traffic to your site. Get ready to […]

📅 March 7, 2026 ⏱️ 8 min read
Read Full Article→
📝
BLOG

Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start writing!

📅 March 3, 2026 ⏱️ 1 min read
View All Articles
⭐ Client Reviews

Trusted by 1,200+ Clients Worldwide

Real feedback from real people who've transformed their businesses with professional solutions.

1,200+
Happy Clients
4.9/5
Rating
500+
Projects
20+
Years
Get In Touch

Let's Work Together

Have a project in mind? Let's discuss how I can help bring your ideas to life. Fill out the form below or reach out through any of the contact methods.

📧

Email Me

Send me an email and I'll get back to you within 24 hours.

hello@debasisbhattacharjee.com →
📱

Call / WhatsApp

Available Mon-Fri from 9 AM to 6 PM (IST)

+91 8777088548 →
📍

Location

Based in India, working with clients worldwide

Kolkata, West Bengal, India →
🌐

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Connect with me on social media

✅

Available for Projects

Currently accepting new projects and collaborations. Let's create something amazing together!

Send Me a Message

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📧
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⚡
Response Time
Within 24 Hours
🌍
Time Zone
IST (UTC+5:30)
💼
Business Hours
Mon - Fri, 9AM - 6PM
🔥
Availability
Limited — 3 Slots/Month
🚀 Let's Build Something Amazing

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Join 1,200+ satisfied clients who have turned their vision into successful digital products. Let's discuss your project and create something extraordinary together.

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🛡️

100% Satisfaction

Money-back guarantee if you're not completely satisfied with the final deliverables.

⚙️

Ongoing Support

Continued maintenance and support even after project completion to ensure your success.

🚀

Fast Delivery

Agile development process ensuring rapid delivery without compromising on quality.

✅ NDA Protected
💳 Secure Payments
🔒 Confidential
⏰ On-Time Delivery
💬 24/7 Support
🔥 Limited Slots Available - Only 3 Projects Accepted Per Month!