● Open to Work

PRAMIT DAS

Backend Developer (Freelance)
Kolkata, West Bengal, India

About Me

Software Engineer specializing in backend systems, AI-powered platforms, and full-stack application development. Experienced in designing production-grade REST APIs, agentic AI pipelines, and Retrieval-Augmented Generation (RAG) systems using Python, FastAPI, PostgreSQL, and serverless architectures.

Skills & Technologies

PythonTypeScriptJavaScriptSQLFastAPIREST API designAsyncIOUvicornPydanticJWT AuthenticationServer-Sent Events (SSE)Supabase Edge Functions (Deno)service orchestrationreal-time streamingAgentic AI & LLM tool callingRetrieval-Augmented Generation (RAG)vector & semantic searchFAISSSentenceTransformersprompt engineeringspeech-to-text (Whisper)text-to-speech pipelinesOpenAI GPT-4oGemini 2.5 VLMLLaMA 3GroqReactNext.js 15React NativeExpoTailwind CSSReanimatedPostgreSQLRow-Level Security (RLS)MongoDB AtlasDockerGitCI/CD fundamentalsGroq CloudOpenAIEAS BuildPostmanVercelRenderGitHubCursorEnglishBengaliHindi

Work Experience

Backend Developer (Freelance)

Trailique.ai
Jan 2025NOW

Designed and implemented production-grade REST APIs with FastAPI and PostgreSQL for enterprise workflow and facility management systems. Architected AI-powered document intelligence platforms using Retrieval-Augmented Generation (RAG), vector search, and semantic retrieval pipelines. Developed real-time streaming response systems using Server-Sent Events (SSE) for low-latency AI interactions.

Marketing & Operations Executive

XpertAds / ReleaseMyAd
Sep 2022Dec 2024

Ran market research, competitor analysis, and multi-channel lead-generation campaigns, coordinating advertisement operations across multiple newspaper platforms.

Social Media Executive

Gaffa Enterprise
Nov 2021Aug 2022

Managed digital brand presence, influencer collaborations, and content operations for D2C fashion products.

Projects

Aurora — AI Voice Health Companion

Built a mobile-first, AI-powered health companion that lets users log water, sleep, meals, and habits through natural voice conversation, surfacing personalized insights and progress reports.

React NativeExpoTypeScriptSupabase (Postgres + Edge Functions)+4

Curalink AI — Real-Time Medical Research Intelligence Platform

Built a distributed AI research assistant that retrieves and synthesizes medical evidence from PubMed, OpenAlex, and ClinicalTrials.gov.

FastAPIReactMongoDB AtlasAsyncIO+5

DocuPilot — AI-Powered Document Intelligence System

Developed an end-to-end document intelligence platform using FAISS-based semantic retrieval and contextual question-answering pipelines.

PythonFastAPIStreamlitFAISS+3

Education

Master of Computer Applications

Computer Applications

MAKAUT (Formerly WBUT)2014 - 2017

Bachelor of Computer Applications

Computer Applications

WBUT2010 - 2013
PRAMIT DAS - Backend Developer (Freelance) | HiringAnt