Freelancers using PostgreSQL in Kolkata

Freelancers using PostgreSQL in KolkataFreelancers using PostgreSQL in Kolkata

Projects People

Full-stack software developer

100x: Hired

5.0: Rating

20: Followers

Expert

Full-stack software developer

Cover image for B2B Email Verifier

B2B Email Verifier

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Cover image for Database App

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Cover image for Building a Credit-Based Service Marketplace from Scratch

Building a Credit-Based Service Marketplace from Scratch

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Cover image for Fixing Analytics & Migrating a Compound Review SPA to Next.js

Fixing Analytics & Migrating a Compound Review SPA to Next.js

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Senior Software Engineer | node.js, django, go & react

5.0: Rating

3: Followers

Senior Software Engineer | node.js, django, go & react

Cover image for AfricanPrice: Full Stack design & development of QnA platform

AfricanPrice: Full Stack design & development of QnA platform

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Cover image for Decorum - B2B Order Management App | Node.js, React & Firebase

Decorum - B2B Order Management App | Node.js, React & Firebase

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Cover image for Sudoku Saga | High performant sudoku app built with React Native

Sudoku Saga | High performant sudoku app built with React Native

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AI Developer & AI Agent Engineer

New to Contra

AI Developer & AI Agent Engineer

Cover image for DocFlow AI – Intelligent Document

DocFlow AI – Intelligent Document Processing Platform DocFlow AI is an enterprise document intelligence platform that transforms unstructured documents into searchable, actionable knowledge. The platform automatically extracts information from PDFs, Word files, invoices, contracts, and reports, builds a searchable knowledge base, and enables users to interact with their documents through an AI assistant using Retrieval-Augmented Generation. It combines OCR, structured extraction, RAG, AI agents, and workflow automation to simplify document-heavy business operations. Features: PDF Processing OCR Pipeline RAG AI Chat with Documents Entity Extraction Document Classification Knowledge Base Citation Generation Role-based Access FastAPI Backend Tech Stack: Python FastAPI LangGraph LangChain ChromaDB PostgreSQL Docker Redis OpenAI OCR

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Cover image for Scopio – Multi-Agent AI Sales

Scopio – Multi-Agent AI Sales Automation Platform Scopio is a production-ready multi-agent AI platform designed to automate B2B sales and lead generation. The platform coordinates multiple AI agents to perform end-to-end sales workflows: Discover potential businesses from multiple sources Research company websites and public information Analyze business context using LLMs Generate personalized outreach emails Manage follow-up workflows automatically Maintain conversation history and workflow state I designed the agent architecture using LangGraph, enabling planning, tool calling, memory, and multi-step execution while integrating external APIs and backend services for reliable automation. Key Features Multi-Agent Architecture Autonomous Business Research AI-Powered Personalized Outreach Tool Calling & API Integration Workflow Orchestration Long-Term Memory PostgreSQL & Redis Integration Dockerized Deployment FastAPI Backend Tech Stack Python • LangGraph • LangChain • FastAPI • PostgreSQL • Redis • Docker • OpenAI • MCP • REST APIs

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Cover image for What happens after someone asks

What happens after someone asks your business, “Can you help with my project?” I designed this AI lead qualification concept to show how an interior design studio could turn a website conversation into an organized enquiry, ready for its team to review. The experience brings together: • A conversational assistant that collects project requirements. • Structured details including location, budget, style, and timeline. • A dashboard that gives the owner a clear enquiry summary. • An AI-drafted response with human approval. The goal: give potential customers a welcoming first interaction and give the business a clearer starting point for follow-up. This animated showcase explores the product’s UI/UX and intended workflow using GSAP and HyperFrames. Created by Kazi Eajaj Hossain · Concept demo with fictional data. Have a repetitive enquiry or customer support workflow? Let’s discuss how a custom AI assistant could fit your business. #AIAgents #AI Automation #ConversationalAI #UIDesign #WorkflowAutomation

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Cover image for Designed and developed a modern

Designed and developed a modern 3D interactive website concept for Freej Swaeleh, a Kuwaiti restaurant brand. The goal was to create a premium digital experience that combines Kuwaiti cultural identity with modern 3D web design, while making it easy for customers to explore the restaurant, menu, branches, gallery, FAQs, and ordering options. What I built • Interactive 3D website experience • Modern responsive UI/UX • Restaurant menu & dish showcase • Branch/location section • Food gallery • FAQ section • Online ordering concept • Mobile-responsive experience • Smooth animations and interactive elements AI Integration Concept I also designed the concept for an AI Restaurant Agent that could be integrated into the website to provide 24/7 customer assistance — answering menu questions, recommending dishes, providing branch information, helping with reservations/orders, and more. Live Demo: https://eajajhossain.github.io/freej-swaeleh/ Note: This is an independent concept/prototype created to demonstrate the potential digital experience and is not an official Freej Swaeleh website.

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🚀 Full Stack Web Dev: React, Node.js, MongoDB

🚀 Full Stack Web Dev: React, Node.js, MongoDB

Cover image for Online Liquor Delivery

Online Liquor Delivery

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Cover image for Sync Speak ( real-time Voice Chat app )

Sync Speak ( real-time Voice Chat app )

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Cover image for Grapixi ( Design to Code )

Grapixi ( Design to Code )

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Subhojit Adhikary

Building High-Converting Websites & Apps for Businesses

Building High-Converting Websites & Apps for Businesses

Cover image for IconsGeek — Free SVG Icons & Stickers

IconsGeek — Free SVG Icons & Stickers

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Cover image for Built JustEasyBook, a modern event

Built JustEasyBook, a modern event booking mobile app that helps users discover events, book tickets, and manage bookings with ease. Designed and developed a fast, intuitive, and responsive experience with secure authentication, real-time event listings, and seamless ticket booking for iOS and Android. Skills: React Native Mobile App Development UI/UX Design Laravel REST API Integration Firebase iOS & Android Performance Optimization

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Cover image for Still managing HR with spreadsheets

Still managing HR with spreadsheets and disconnected tools? Your HR system should work the way your business works—not force you to change your workflow. I build custom HR Management Systems tailored to your organization's unique processes, helping you automate repetitive tasks and improve workforce management. What can be included? - Employee Management - Attendance & Leave Tracking - Payroll Management - Recruitment & Applicant Tracking - Performance & Appraisal Management - Role-Based Access Control - Reports & Analytics Dashboard - Employee Self-Service Portal - Document Management - Custom Approval Workflows - API Integrations (ERP, Accounting, Biometric, etc.) Whether you're a startup, SME, or enterprise, I can develop a secure, scalable, and fully customized HRM solution that grows with your business. If you're looking for an HR platform built around your requirements instead of adapting to off-the-shelf software, let's connect. #HRM #HRTech #CustomSoftware #BusinessAutomation #EmployeeManagement #Payroll #SaaS #WebDevelopment #Laravel #React #NextJS #BusinessSolutions #Contra #Automation

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Cover image for Figma UX/UI & Graphic Design
Need

Figma UX/UI & Graphic Design Need clean, modern, and user-focused designs? We help businesses and startups with: • UX/UI Design in Figma • Website & Mobile App Design • Wireframes & Prototypes • Landing Pages & Dashboards • Branding & Graphic Design • Brochures, Banners & Social Media Creatives Let’s turn your ideas into designs that look great and work better.

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Full-Stack Developer | Node.js, Next.js, PostgreSQL Expert.

Full-Stack Developer | Node.js, Next.js, PostgreSQL Expert.

Cover image for DDRC Agilus Diagnostics

DDRC Agilus Diagnostics

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Cover image for LegalKart - Top Lawyers 24/7 for Instant Consultation

LegalKart - Top Lawyers 24/7 for Instant Consultation

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Cover image for Multi category Blog site

Multi category Blog site

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Full Stack (MERN/ReactJS/NodeJS/NextJS) Web Developer

52: Followers

Full Stack (MERN/ReactJS/NodeJS/NextJS) Web Developer

Cover image for ESGsphere.com (http://ESGsphere.com) is a software

ESGsphere.com (http://ESGsphere.com) is a software and ESG consulting platform that helps businesses manage sustainability, compliance, and ESG reporting through technology-driven solutions. It focuses on simplifying environmental and governance processes with scalable digital tools and expert advisory support.

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Cover image for EnvoyHealth.io (http://EnvoyHealth.io) is a modern

EnvoyHealth.io (http://EnvoyHealth.io) is a modern healthcare platform designed to streamline patient engagement and healthcare service delivery through a scalable and secure web application. I worked as a Full Stack Developer to build and enhance core features of the platform, focusing on performance, usability, and clean system architecture.

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Cover image for Rhemito.com (http://Rhemito.com) is an online

Rhemito.com (http://Rhemito.com) is an online international money transfer platform that helps users send money across countries quickly and securely. It offers services like bank deposits, cash pickup, mobile wallet transfers, and mobile top-ups in multiple regions.

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Cover image for PNGpapa.com (http://PNGpapa.com) is a free

PNGpapa.com (http://PNGpapa.com) is a free online image conversion platform that allows users to easily convert JPG, PNG, WebP, and other image formats without installing any software. It focuses on fast, secure, and browser-based image processing with no signup required.

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React / Next.js & Laravel Developer | SaaS & APIs

New to Contra

React / Next.js & Laravel Developer | SaaS & APIs

Cover image for Adrit Ledger

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Cover image for CartPilot AI | Ecommerce Support & Human Handoff

CartPilot AI | Ecommerce Support & Human Handoff

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Cover image for Adrit Ledger | Invoicing & Reconciliation SaaS

Adrit Ledger | Invoicing & Reconciliation SaaS

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Cover image for Cart Pilot AI

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