Looking for a Full Stack Developer or Senior Software Engineer role focused on building scalable products, SaaS platforms, and AI-powered applications. Interested in React, Node.js, TypeScript, Next.js, and cloud technologies, with opportunities for technical ownership, problem-solving, continuous learning, and career growth. Open to remote, hybrid, and relocation opportunities.

Koushik Samanta
@koushiksamanta
Full Stack Developer with expertise in React, Node.js, Next.js, NestJS, and TypeScript, building scalable SaaS applications and AI-powered solutions.
What I'm looking for
I am a Full Stack Developer with 9+ years of professional experience building, maintaining, and scaling web applications, SaaS platforms, and business management solutions. My core expertise lies in JavaScript, TypeScript, React.js, Node.js, Next.js, NestJS, and modern frontend and backend technologies.
Throughout my career, I have worked on diverse projects across retail management, e-commerce, booking platforms, payment integrations, and enterprise applications. I enjoy taking ownership of features from understanding business requirements and designing solutions to frontend development, backend implementation, API integration, database management, testing, and production deployment.
One of my key projects is SalePointPRO, a multi-tenant retail management SaaS platform. I have contributed to developing multiple application modules, including administration, POS, inventory and warehouse management, expense tracking, customer management, employee workflows, reporting, notifications, and role-based permissions. I have also integrated AI-powered capabilities, including an intelligent FAQ assistant and invoice processing using OpenAI to extract expense information from uploaded or captured invoices.
I have also worked with technologies and platforms such as Firebase, Firestore, AWS Amplify, MongoDB, MySQL, PostgreSQL, Azure, and GitHub Actions. I am increasingly interested in AI-assisted software engineering, LLM integrations, MCP-based tool connectivity, and using coding agents such as Claude Code and Codex to improve development productivity while maintaining code quality.
Beyond my professional work, I enjoy exploring new technologies, solving real-world engineering problems, learning system design, and building products that address practical user needs. I am also passionate about motorcycles and long-distance touring, which inspired me to work on RideMate, a riding-focused application designed to help riders organize group rides and coordinate during journeys.
Currently, I am looking for opportunities as a Senior Full Stack Developer, MERN Stack Developer, or Node.js Backend Developer where I can contribute to meaningful products, take technical ownership, collaborate with talented engineering teams, and continue growing as a software engineer.
Experience
Work history, roles, and key accomplishments
Senior Software Developer
Codesigma Technology Services
Jan 2023 - Present (3 years 10 months)
Lead a 4-member team through Agile/Scrum sprints, owning technical design, sprint planning, and production releases. Mentor developers on TypeScript, Node.js, React.js, and Git workflows, and run code reviews against shared coding standards.
Software Developer
Codesigma Technology Services
Jan 2017 - Dec 2022 (5 years 11 months)
Built full-stack applications in Node.js, Express.js, Laravel, and CodeIgniter with MongoDB and MySQL, covering ticketing, inventory, business management, and scripture-search platforms. Started SalePointPRO in 2022 as core developer, laying the multi-tenant foundation for the retail SaaS platform.
Education
Degrees, certifications, and relevant coursework
Bagnan High School
Higher Secondary, General Studies
Higher Secondary (WBCHSE) from Bagnan High School, completed in 2012.
Bagnan High School
Secondary, General Studies
Secondary (WBBSE) from Bagnan High School, completed in 2010.
IIHT
Certification, Full Stack Development
Certification in .NET Full Stack from IIHT.
Vidyasagar University
Bachelor of Computer Applications, Computer Applications
2012 - 2015
Bachelor of Computer Applications (BCA) from Vidyasagar University, completed in 2015.
Tech stack
Software and tools used professionally
Google Tag Manager
Postman
AWS Amplify
Chart.js
Microsoft Azure
Amazon CloudWatch
Amazon S3
Kubernetes
Cloudflare
GitHub Actions
React Native
Apache Cordova
MySQL
PostgreSQL
MongoDB
MariaDB
Microsoft SharePoint
PrestaShop
WooCommerce
Node.js
Laravel
Next.js
NestJS
.NET
Tailwind CSS
Bootstrap
Google Analytics
FFMPEG
Jest
React
React Query
JavaScript
HTML5
CSS 3
PHP
Google Places API
Mapbox
OneSignal
Ubuntu
CentOS
Linux
macOS
Windows
Stripe
PayPal
Coolify
Trello
Notion
ClickUp
GraphQL
Firebase
WordPress
Drupal
Payload CMS
cPanel
AWS Lambda
Redux
Zustand
TypeScript
React Testing Library
Amazon SES
Amazon Cognito
Firebase Authentication
Git
Docker
NGINX
SQL
Capacitor
CodeIgniter
AWS AppSync
Mantine
Playwright
Vite
Razorpay
Model Context Protocol (MCP)
Claude Code
AWS
REST APIs
Availability
Location
Authorized to work in
Website
koushik-samanta.github.ioPortfolio
koushik-samanta.github.ioSalary expectations
Social media
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