Software Engineer · Python & AI Systems

Hands-on with Python,
fluent in AI systems.

2+ years shipping backend systems, RESTful APIs, and agentic AI applications — FastAPI & Django on one end, LangChain, LangGraph and RAG on the other.

Open to work Pune, Maharashtra, India Currently @ Fidel Softech Pvt. Ltd.
View Projects Download Resume Let's Connect
2+Years Experience
3AI Systems Shipped
10+Tools in the Stack
8.25CGPA, B.Sc CS
Python
FastAPI
LangGraph
AI Agent · Live
ai_agent.py
1from fastapi import FastAPI
2from langgraph.graph import StateGraph
3from langchain_openai import ChatOpenAI
4 
5app = FastAPI()
6llm = ChatOpenAI(model="gpt-4o")
7 
8# build once, reuse across requests
9graph = build_rag_graph(llm, retriever=vectordb)
10 
11@app.post("/agent/query")
12async def run_agent(query: str):
13    result = await graph.ainvoke({"input": query})
14    return {"response": result["output"]}
Retrieving context → generating response…
About

Professional Summary

What I've built and the tools I reach for.

Software Engineer at Fidel Softech Pvt. Ltd. with 2+ years of experience in Python Full-Stack development, backend systems, REST APIs, automation, and AI-powered applications. Hands-on with FastAPI, Django, React, MySQL, LangChain, LangGraph, RAG, LLMs, and AI Agents.

Comfortable owning the full lifecycle — requirement gathering, solution design, development, API integration, testing, and deployment — for both traditional backend services and generative AI systems.

Backend & APIs

FastAPIDjangoDjango ORMSQLAlchemyREST APIsJWT AuthPydanticUvicorn

Generative & Agentic AI

LangChainLangGraphLangSmithRAGOllamaOpenAI APIVector DBsHugging FaceTransformersPrompt Engineering

Frontend & Data

React.jsNext.jsMySQLPostgreSQLMongoDBRedis

Automation, Testing & DevOps

SeleniumBeautifulSoupRegexPandasNumPyPostmanPytestDockerGitCI/CDLinux
Experience

Where I've Worked

From intern to shipping production AI systems.

Software Engineer current
Fidel Softech Pvt. Ltd. · Jan 2024 – Present · Pune, Maharashtra
  • Developed Python Full-Stack applications and RESTful APIs using FastAPI, Django, React, and MySQL, implementing authentication, validation, exception handling, and modular architecture.
  • Developed Generative AI and Agentic AI applications using LangChain, LangGraph, RAG, Ollama, OpenAI APIs, and LLMs.
  • Built an AI chat application supporting local and cloud LLMs, dynamic model selection, conversational AI, streaming responses, and vision-capable models.
  • Developed an AI-powered IT Support Agent using LangGraph and RAG for issue classification, contextual response generation, ticket creation, and escalation workflows.
  • Built AI-powered text-to-speech applications using FastAPI, React, ElevenLabs, and TTSMaker APIs.
  • Developed automation and web scraping solutions using Python, Selenium, BeautifulSoup, Regex, and data-processing libraries for structured and unstructured data.
  • Worked across the complete development lifecycle — requirement gathering, solution design, development, API integration, testing, debugging, and deployment.
Python Developer Intern
Fidel Softech Pvt. Ltd. (formerly LinguaSol) · Jul 2023 – Dec 2023 · Pune, Maharashtra
  • Contributed to Python application development, debugging, and enhancement of internal software solutions.
  • Assisted in feature development, bug fixing, and code reviews under senior developer guidance.
  • Developed Python scripts to automate repetitive development tasks and improve workflow efficiency.
  • Gained practical experience in backend development, software lifecycle management, and production workflows.
Projects

Things I've Built

Three systems, three stages of the pipeline.

01 — AI Chat Platform

AI Connect Application

Production-ready chat platform supporting local (Ollama) and cloud-based (OpenAI) LLMs with dynamic model selection, streaming responses, and vision-capable models on a FastAPI + React stack.

FastAPIReactOllamaOpenAI APILangChainMySQL
02 — Multi-Agent RAG

AI Support Agent

Agentic IT support system built with LangGraph and RAG. Classifies incoming issues, retrieves context from a vector database, generates responses, and auto-creates tickets with SMTP escalation.

FastAPILangGraphLangChainRAGVector DBSMTP
03 — Voice Generation

AI Text-to-Speech Application

Web-based text-to-speech platform integrating ElevenLabs and TTSMaker APIs for high-quality speech generation, with a responsive frontend for voice selection, generation, and playback.

FastAPIReactElevenLabs APITTSMaker API
Education

Academic Background

 

B.Sc. Computer Science

Modern College of Arts, Commerce & Science, Pune · Jul 2021 – Apr 2023
CGPA: 8.25
Contact

Let's Connect

Open to full-time backend / AI engineering roles.

GET /email  →  rahuladagale3998@gmail.com GET /phone  →  +91 8668460900 GET /linkedin  →  rahul-adagale GET /github  →  Rahul3998 GET /website  →  rahuladagale.dev