Summary
Overview
Work History
Education
Skills
Certification
Websites
Accomplishments
STRENGTHS
Timeline
Generic
Santosh Kumar

Santosh Kumar

Gurugram

Summary

Senior Python Developer with over four years of experience in software engineering and backend development, specializing in Python and MySQL. Proficient in implementing and fine-tuning LLM models to develop advanced chatbots, leveraging effective chunking technologies. Key accomplishments include optimizing API performance by 70% and reducing cloud expenses by $1 million through strategic FinOps initiatives. Skilled Senior Software Engineer designs and implements new features, improves architecture and takes lead to launch new products. Excellent understanding of software design and programming principles. Meaningful experience shipping and maintaining large, complex systems.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Senior Software Engineer

GreyChain
New Delhi
03.2025 - Current
  • Improved the model performance by improving the system prompt for the LLM.
  • Added the multiple MCP to LLM for real-time data information from the different sources.
  • Fixed the issues in the current RAG flow, and improved the performance.

Software Engineer

Meritto
Gurugram
07.2023 - 07.2024
  • Led end-to-end SDLC processes, ensuring seamless functionality from development to deployment and optimizing performance through schema migration from MySQL to MongoDB, boosting telephony module efficiency by 50%
  • Developed and implemented a Generative AI-powered chatbot for Meritto, to address configuration, telephony, and payment-related queries
  • Enhanced system performance by 70% through query optimization, caching improvements, and code refactoring, while integrating a new vendor API to drive innovation and operational flexibility
  • Modeled and trained machine learning models to deliver accurate solutions for customer inquiries, aligning the chatbot's features with business objectives by collaborating with cross-functional teams
  • Addressed overall system performance, achieving a 40% improvement by restructuring the caching mechanism and ensuring efficient data retrieval
  • Technologies Used: Python, Django, Flask, MySQL, MongoDB, Redis, RabbitMQ, AWS, Git, Azure AI Services, Azure, Vector Embedding, Chatbot with PDF Integration, Prompt Engineering

Software Developer

Corestack Inc
Chennai
10.2021 - 05.2023
  • Achieved cost optimization, reducing expenses by 15%, by developing dynamic cloud cost dashboards, ensuring efficient resource utilization
  • Achieved a $1M reduction in cloud expenses by implementing FinOps policies across AWS, Azure, GCP and OCI cloud platforms
  • Implemented an advanced cron job for detailed analysis of resource utilization data, Improving the accuracy and efficiency of cost forecasting
  • Collaborated with diverse cross-functional teams in dynamic Agile environments to consistently meet and exceed stringent customer acceptance criteria and project deliverables
  • Technologies Used: Python, Flask, FastAPI, MySQL, MongoDB, Git, Azure DevOps, AWS SQS, AWS IAM

Education

Bachelor of Technology - Computer Science & Engineering

Institute of Engineering and Rural Technology
Allahabad
08.2021

Skills

  • Programming languages: Python, C/C, JavaScript, SQL, HTML
  • Web frameworks: Django, Flask, FastAPI, and Reactjs
  • Python libraries: NumPy, Pandas, SQLAlchemy, Pydantic, PyTorch, Streamlit
  • AWS skills: SQS, EC2, RDS, S3, Lambda functions, CodeCommit, IAM
  • Databases: MySQL, MongoDB, Redis
  • Other: Git, GitHub, CI/CD, Docker, Kubernetes, microservices, Agile methodologies, Gen AI, machine learning, LangChain, LangGraph, Pinecone

Certification

AWS Essentials

Accomplishments

  • API performance: Improved API performance by 70%, enhancing client flexibility.
  • Cache Mechanism Optimization: Enriched system performance by 40% via caching.

STRENGTHS

  • End-to-End SDLC Leadership: Led seamless application development functionality with optimized performance
  • Performance Optimization Expertise: Emphasized telephony module performance and productivity dashboard APIs, improving by 50-70%.

Timeline

Senior Software Engineer

GreyChain
03.2025 - Current

Software Engineer

Meritto
07.2023 - 07.2024

Software Developer

Corestack Inc
10.2021 - 05.2023

Bachelor of Technology - Computer Science & Engineering

Institute of Engineering and Rural Technology

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Santosh Kumar