Hello 👋,
This is Sathyanarayanan.V
I am a Full Stack|
◈ I'm Sathyanarayanan. V — a full-stack developer passionate about building fast, scalable, and intuitive web applications. With hands-on experience across the full development lifecycle, I specialize in modern JavaScript frameworks (React, Node.js, TypeScript) and cloud platforms like AWS. ◈ Whether it's crafting real-time chat systems with WebSockets, implementing secure authentication with Firebase OAuth, or optimizing backend performance with Flask and PostgreSQL — I thrive on solving problems that matter. ◈ I love collaborating in Agile teams, turning ideas into impact, and continuously evolving as a developer. Currently, I’m focused on building production-grade, user-first products and open to opportunities that challenge me to grow and contribute at scale.
Total Projects
4
Hands-On Experience
4+ years
Work Experience
3+ years
Skills
Frontend Technologies
Backend Technologies
Databases
Frameworks
Cloud
Version Control
Others
Projects
Taskify
Kanban Boards
Cron Jobs
Responsive UI
Charts and Graphs
Redux
Email Notifications
Taskify simplifies task organization through a Kanban board and powerful dashboards. It includes task automation and secure access.
Wealth Wise
Analytics
Sequelize
Email Notifications
Paginated Reports
Redux
Charts and Graphs
Wealth Wise is a personalized finance management tool that helps users manage their income and expenses effectively. It offers automated notifications for recurring expenses and an analytics dashboard for financial insights.
Quick Fix
Web Sockets
Real-time chat
Google OAuth
Ticket Management
Charts and Graphs
Redux
Email Notifications
Quick Fix is a ticket management system that enables efficient support ticket handling. It includes real-time chat and an admin dashboard for category and user management.
Pro-Manager
Kanban Boards
Context API
Custom Hook
Dashboard Analytics
Email Notifications
Charts and Graphs
Pro-Manager is a comprehensive project management tool designed for Admins, Team Leaders, and Employees. It features Kanban boards, real-time dashboards, and automated email notifications, enhancing team collaboration and productivity.
Work Experience
Freelance Full-Stack Developer
Jun 2025 – Present
- ◈ Developed a full-stack e-commerce web application for a food-based client using MongoDB, Express.js, React.js, and Node.js, improving product order flow efficiency by ~30%.
- ◈ Designed and implemented scalable RESTful APIs with optimized data models and caching to reduce API response time by ~25%.
- ◈ Applied SOLID principles, repository pattern, and modular design to improve maintainability and extensibility of backend services.
- ◈ Integrated rate limiting, JWT authentication, and input validation for secure and compliant API endpoints.
- ◈ Configured AWS EC2 for backend deployment and AWS Amplify for React frontend hosting; utilized S3 for static file storage and image uploads.
- ◈ Built and maintained a CI/CD pipeline using GitHub Actions, enabling automatic test, build, and deploy cycles, cutting deployment time by ~40%.
- ◈ Tech Stack: React.js, Node.js, Express.js, MongoDB, AWS (EC2, Amplify, S3), GitHub Actions, JavaScript/TypeScript, REST API.
- ◈ Engineered an event-driven trading bot using Python and PostgreSQL, achieving low-latency execution and near real-time trade decisioning (<100ms event response).
- ◈ Implemented asynchronous queue-based architecture for parallelized logging and database operations, increasing throughput and reliability under load.
- ◈ Automated end-to-end trade workflows, integrating file-based logs and PostgreSQL analytics storage for backtesting and performance monitoring.
- ◈ Developed and optimized communication protocols with brokers’ APIs to ensure high-frequency trade execution and consistent data synchronization.
- ◈ Built a web-based control dashboard using React, TypeScript, and Tailwind CSS with a Flask backend for monitoring and manual overrides.
- ◈ Tech Stack: Python, PostgreSQL, Flask, React.js, TypeScript, Tailwind CSS, WebSockets, AsyncIO, REST API.