Vivek MahajanFreelance Full-Stack Developer
I help founders and teams build reliable web products with clean architecture, fast delivery, and measurable outcomes. Available for freelance projects.
Building the Future
Freelancer focused on shipping fast, scalable, and business-ready digital products
Vivek Janardan Mahajan
Freelance Full-Stack Developer
I turn ideas into launch-ready products. From product discovery to production deployment, I help startups and businesses build reliable web platforms with clean architecture, scalable APIs, and maintainable code.
I work as an end-to-end technical partner: planning features, building fast, integrating AI where it creates value, and optimizing performance after launch. Available for freelance builds, long-term contracts, and technical consulting.
Full-Stack Development
Next.js, React, MERN Stack, PHP
Cloud & DevOps
AWS EC2, S3, EB, Docker, Coolify
AI/ML Solutions
TensorFlow, Scikit-learn, CNN
IoT Systems
Arduino, Sensors, Google Colab
Services & Solutions
End-to-end development solutions tailored to your business needs
Full-Stack Web Development
Custom web applications built with Next.js, React, and modern tech stacks. From MVP to enterprise-grade solutions that scale.
Cloud & DevOps Solutions
Deploy, scale, and maintain your applications on AWS with containerization and CI/CD pipelines for reliable delivery.
AI/ML Integration
Integrate intelligent features into your applications with custom ML models for predictions, classifications, and automation.
IoT System Development
End-to-end IoT solutions from sensor integration to cloud dashboards. Real-time data collection and intelligent automation.
E-commerce Solutions
Complete e-commerce platforms with Shopify customization, payment gateways, and inventory management systems.
Custom CRM & ERP
Tailored business management systems that streamline operations, from lead generation to complete ERP solutions.
Have a custom project in mind? Let's discuss how I can help bring your vision to life.
Freelance Track Record
Proven delivery across product engineering, automation, and performance-driven development
Fractional Tech Lead
CurrentSupporting clients with architecture planning, execution strategy, and delivery governance for critical product initiatives.
Freelance Product Builds
Designed and delivered custom CRMs, client dashboards, and workflow automation systems for growing businesses.
Web Performance & SEO
Focused on API efficiency, Core Web Vitals improvements, and technical SEO upgrades for better conversion and search visibility.
IoT & Industrial Systems
Developed Industry 4.0 IoT solutions with real-time data processing and cloud-connected dashboards.
Projects
A collection of innovative solutions spanning AI/ML, IoT, and full-stack development
PVC Billing System
Highly optimized system for complex Indian Railway PVC billing (per GCC April 2022 clause) with microservices architecture for PVC calculations, index management, and PDF/Excel generation.
Deep Fake Detection AI
CNN-based deep fake detection system achieving 71% accuracy on image classification, trained on 190,000+ labeled images with advanced augmentation and custom preprocessing pipelines.
Proponix - AI Proposal Builder
A niche SaaS for freelancers and agencies to generate client-ready proposals, timelines, and pricing blocks from a short project brief, with branded PDF export and CRM sync.
RAMVT - Smart Farming Robot
Remote Automated Multi Vegetable Transplanter with IoT and AI/ML integration achieving 85% planting accuracy. Team ASHWAMEDHA secured Runner-Up (AIR 2) at SAE-TIFAN 2025.
Skills & Technologies
Wide range of tools and technologies for building modern applications
Languages
Core programming languages I work with
Frameworks & Libraries
Building modern applications
Databases
Data storage and management
DevOps & Platforms
Deploying and managing at scale
AI/ML
TensorFlow, Scikit-learn
IoT
Arduino, Sensors
Architecture
MVC, RESTful, Microservices
Tools
Git, Google Colab
Certifications & Awards
Continuous learning and professional achievements
SAE-TIFAN 2025 Runner-Up (AIR 2)
Team ASHWAMEDHA - Remote Automated Multi Vegetable Transplanter
IEEE Xtreme Top 500 Global
Demonstrated strong problem-solving and competitive programming skills
Certificate of Merit - Kryfs R&D
Excellent performance during R&D Apprenticeship at Kryfs Technologies
AWS Student Club Appreciation
Contributions to cloud learning initiatives
Team ASHWAMEDHA Recognition
Significant contributions to the RAMVT IoT project
Published Research Paper
A Survey on Deep Learning Based Deep Fake Detection - 4 Authors (Jan 2024)
Python 101 for Data Science
Cognitive Class (IBM)
Programming, DSA (Python)
NPTEL (IIT)
Microsoft AI Classroom Series
Microsoft
Machine Learning Foundations
Google Colab (Practice-based)
Let's Collaborate
Open to freelance projects, collaborations, and exciting opportunities
Have a project in mind?
I'd love to hear about it. Let's discuss how we can bring your ideas to life with cutting-edge technology.
P.S. I know how to center a div !
Pune, Maharashtra, India - 411041