---
title: "Abhishek rajput - Creator / solo developer in Ahmedabad | Tal"
description: "Meet Abhishek rajput, System Engineer | Backend, AI & Gen AI | From R&D to Deployment | RAG, Multi-Agent Pipelines, MCP Automation, Telemetry Systems based in Ahmedabad. AI stack includes antigravity, claude code, and codex. Explore public work links including github and leetcode."
image: "https://tal.club/meet/abhishek-rajput-1/share-image"
---

# Abhishek rajput on Tal

## Headline

System Engineer \| Backend, AI & Gen AI \| From R&D to Deployment \| RAG, Multi\-Agent Pipelines, MCP Automation, Telemetry Systems

## About

I build production AI systems end to end RAG pipelines, AI agents, and the backend infrastructure behind them\. Recent work \(all designed, built, and shipped solo\): • RagBag production RAG pipeline: Qdrant retrieval, cross\-encoder reranking, intent routing, streamed responses, observability\. • Broker MCP open\-source security layer for AI agents on the Model Context Protocol \(deny\-at\-mint, scoped tokens, full audit\)\. • CreatorOS bookings \+ payments platform taken from idea to deployed in 19 days\. Before this, 16 months at Nexus Automech taking robotics and IIoT projects from R&D to production including a 3x latency reduction and a multi\-tenant IIoT platform \(60k\+ tags, 500\+ users\) working directly with clients and hardware vendors\. I thrive in high\-ownership roles where I take a problem from R&D through production\. Open to AI/backend engineering roles\.

## Location

Ahmedabad

## AI stack

antigravity

claude code

codex

gemini

langchain

langgraph

## Work experience

Creator / solo developer at CreatorOS, Jun 2026 \- Jul 2026 · 1 mo, Ahmedabad, Designed, built, and deployed a full\-stack UPI\-native bookings and payments SaaS solo in 19 days, from empty repo to live\. Engineered for correctness under money and concurrency: an append\-only, event\-sourced payment ledger \(immutability enforced by Postgres triggers\), a single\-writer processor, and a partial unique index that makes the booking INSERT itself the availability check so double\-booking is structurally impossible with no race condition\. Idempotent webhooks, timeout\-to\-reconciliation handling, and a reconciliation sweep against the Razorpay API\. 16,100 LOC across 13 tables, backed by 394 tests against real Postgres in CI\. Stack: TypeScript, Next\.js, Supabase \(PostgreSQL\)\.

Creator / solo developer at MCP broker, Jun 2026 \- Jul 2026 · 1 mo, Ahmedabad, Built and open\-sourced a security/governance layer for AI agents on Anthropic's MCP\. Instead of an agent holding standing credentials, Broker mints short\-lived, policy\-scoped tokens per tool call, with policy checked at mint time so a denied action never receives a credential in the first place \(deny\-at\-mint\)\. Signs GitHub App installation tokens \(RS256\) per request, maintains an append\-only JSONL audit trail, and integrates directly with Claude Desktop as an MCP server\. Documented honestly with a Limitations section\. Stack: Python, MCP, GitHub App JWT, RS256\.

Creator / solo developer at Ragbag, Sep 2025 \- Jun 2026 · 9 mo, Ahmedabad, Designed and built a production\-grade RAG pipeline end to end\. Query flow: contextualization and intent routing \(predefined answers for greetings/summaries cut LLM calls \~30%\), multi\-query expansion, semantic retrieval over Qdrant, cross\-encoder reranking, and context assembly with page\-level citations answers streamed live over WebSocket\. Self\-hosted HuggingFace TEI embeddings \(bge\-large\) for zero per\-token embedding cost; tiered LLM inference via Groq\. Engineered for failure: circuit breakers, backpressure, graceful degradation, and a metrics endpoint tracking p95/p99 latency and per\-token cost\. Stack: Python, Django, DRF, Celery, Redis, Channels, PostgreSQL, Qdrant, Next\.js\.

Software Engineer at NEXUS AUTOMECH PRIVATE LIMITED, Apr 2024 \- Aug 2025 · 1 yr 5 mos, Ahmedabad, Gujarat, India, Co\-led the 2\-person software team for all robotics and IIoT projects within a 4\-person cross\-functional hardware/software team\. Architected and delivered two major systems: an autonomous robotics platform \(payload, ROS2, SLAM\) and a scalable, multi\-tenant IIoT backend \(60k\+ tags, 500\+ users\)\. Specialized in system integration, backend architecture \(Python, Django, Celery, Redis\), and real\-time sensor fusion \(YOLOv8 \+ UWB\), achieving a 3x latency reduction on a core robotics feature\. Drove projects from initial R&D and hardware selection through final production\-ready deployment, demonstrating strong ownership and problem\-solving skills\.

Software Engineer at Rapidops Inc\., Aug 2022 \- Feb 2023 · 7 mos

AI Software Engineer at Bhaskaracharya Institute For Space Applications and Geo\-Informatics, Jun 2022 \- Aug 2022 · 3 mos, Gandhinagar, Gujarat, India

## Education

Bachelor of Technology \- BTech, Computer Science, SILVER OAK UNIVERSITY

## Public links

- github: https://github\.com/Abhishekvoid
- leetcode: https://leetcode\.com/ab14609a

[View the original profile](https://tal.club/meet/abhishek-rajput-1)

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