---
title: "abhijit shirsath - Software Development Engineer I (SDE I) in Pune City | Tal"
description: "Meet abhijit shirsath, Software Development Engineer I | AI & Full Stack Engineer | GenAI, RAG, OpenAI GPT-4o | System Design | Scalable Distributed Systems | Building AI Products based in Pune City. AI stack includes cursor, github copilot, and langchain."
image: "https://tal.club/meet/abhijit-5/share-image"
---

# abhijit shirsath on Tal

## Headline

Software Development Engineer I \| AI & Full Stack Engineer \| GenAI, RAG, OpenAI GPT\-4o \| System Design \| Scalable Distributed Systems \| Building AI Products

## About

Full Stack Software Engineer with 2\+ years of experience building scalable web applications and production\-grade AI products using React\.js, Node\.js, Express\.js, MongoDB, and OpenAI APIs\. Experienced in Generative AI, RAG systems, prompt engineering, LLM integrations, real\-time applications, and backend system design\. Built AI\-powered platforms in recruitment automation, conversational AI, and lead management used in production environments\. Skilled in: • Full Stack Development \(MERN\) • REST APIs & Backend Architecture • Generative AI / OpenAI / RAG • Real\-Time Systems \(WebSockets, Socket\.IO, LiveKit\) • AWS Deployments and Performance Optimization Delivered 3 production AI platforms, optimized APIs by 40%, and built systems supporting 1000\+ concurrent users\. Open to opportunities in Software Engineering, Full Stack Development, Backend Engineering and Generative AI Engineering\.

## Location

Pune City

## AI stack

cursor

github copilot

langchain

openai

## Work experience

Software Development Engineer I \(SDE I\) at Provaantech, Jun 2026 \- Present · 1 mo, Leading the design and development of scalable AI\-powered products across recruitment automation, conversational AI, voice AI and enterprise workflow automation\. • Driving end\-to\-end architecture decisions for GenAI applications leveraging OpenAI GPT\-4o, RAG pipelines, vector search and LLM\-powered workflows to deliver production\-ready AI solutions\. • Designing scalable backend systems and distributed architectures using Node\.js, TypeScript, MongoDB, Redis and cloud\-native AWS services to support high\-availability applications\. • Leading AI initiatives involving conversational AI, AI voice agents, AI\-powered recruitment systems, automated lead qualification and intelligent workflow automation\. • Architecting Retrieval\-Augmented Generation \(RAG\) solutions for enterprise knowledge retrieval, contextual AI responses and domain\-specific AI assistants\. • Building real\-time AI communication platforms using LiveKit, WebSockets and event\-driven architectures for low\-latency conversational experiences\. • Defining engineering standards, system design patterns, API architecture and performance optimization strategies across multiple production systems\. • Collaborating with product, business and engineering teams to translate complex business requirements into scalable technical solutions\. • Mentoring developers, conducting code reviews and promoting engineering best practices focused on maintainability, scalability and security\. Tech Stack: TypeScript, Node\.js, React\.js, OpenAI GPT\-4o, RAG, Vector Databases, Redis, MongoDB, LiveKit, WebSockets, AWS, Docker, CI/CD, System Design, Distributed Systems, Microservices\.

MERN Stack Developer \- Full Time at Provaantech, May 2024 \- May 2026 · 2 yrs 1 mo, Building scalable full\-stack and AI\-powered products across recruitment automation, conversational AI and lead management platforms\. • Architected and shipped ProHireX, an AI\-powered recruitment platform using React\.js, Node\.js, MongoDB, OpenAI GPT\-4 and RAG, reducing manual resume screening by 60% and processing 500\+ job applications\. • Engineered Sailsence AI, a real\-time virtual sales assistant platform integrating GPT\-4o, AI avatars, LiveKit and CRM workflows for automobile dealerships, enabling conversational customer engagement and lead generation\. • Developed ToxBox, an AI\-powered calling and lead automation platform supporting real estate, healthcare and enterprise clients, reducing manual follow\-ups by 70% through automated lead qualification\. • Designed and scaled backend services using Node\.js, Express\.js, MongoDB Aggregation Pipeline, Redis caching, REST APIs and OAuth/JWT authentication\. • Built real\-time communication systems with Socket\.IO and LiveKit, supporting 1,000\+ concurrent users across production applications\. • Improved API performance by 40% through database indexing, query optimization, aggregation tuning and distributed caching strategies\. • Deployed and maintained production applications on AWS using EC2, S3, CloudFront, GitHub Actions and CI/CD pipelines\. • Collaborated with cross\-functional teams in Agile environments, delivering end\-to\-end features from system design to production deployment\. Tech Stack: React\.js, Node\.js, Express\.js, MongoDB, TypeScript, OpenAI APIs, GPT\-4o, RAG, Redis, Socket\.IO, LiveKit, AWS, Docker, GitHub Actions\.

MERN Stack Developer Intern at Provaantech, Feb 2024 \- May 2024 · 4 mos, Developed and maintained full\-stack web application features using React\.js, Node\.js, Express\.js and MongoDB\. • Built responsive user interfaces and integrated REST APIs for business applications and internal tools\. • Assisted in implementing authentication, database schemas and backend services for scalable web applications\. • Collaborated with senior engineers on frontend\-backend integration, debugging and performance optimization\. • Contributed to AI\-powered product development by integrating third\-party APIs and supporting feature implementation\. • Participated in code reviews, Git\-based development workflows and Agile sprint planning\. Tech Stack: React\.js, Node\.js, Express\.js, MongoDB, JavaScript, REST APIs, Git, GitHub\.

## Education

acs collage of narayangaon

XII HSC Board, Gramonnati

[View the original profile](https://tal.club/meet/abhijit-5)

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