Sandeep Waghmare

Python Backend Developer with 5+ years of experience in building scalable APIs and data-driven systems using FastAPI and modern Python frameworks. Skilled in designing RESTful services, implementing async endpoints, and processing large datasets using Pandas and NumPy. Hands-on experience in Generative AI, including building Retrieval-Augmented Generation (RAG) pipelines using LangChain, embeddings, and vector databases such as FAISS/ChromaDB.

Experienced in API integration, modular system design, and containerized deployments using Docker. Previously delivered enterprise-grade solutions at TCS, now focused on backend architecture and GenAI-powered applications.

Python Developer - TATA CONSULTANCY SERVICES - Mumbai, India

(2022-07)

Working with CITI BANK on Python backend development and data processing.

• Designed and optimized scalable data processing pipelines using Pandas and NumPy, handling large datasets with performance optimization techniques.
• Developed Python-based automation services and modular backend components to streamline enterprise workflows
• Collaborated with business analysts to gather automation requirements and deliver scalable solutions aligned with compliance needs.
• Improved operational efficiency by reducing human error and turnaround time through custom Python automations.
• Developed reusable modular Python components for scalable system design

Python Automation Developer - TATA CONSULTANCY SERVICES - Mumbai, India

(2021-08 - 2022-07)

Working with CIBC and SIMPLII on Python-based automation and backend services.

• Designed and developed Python-based backend services to process and automate business-critical banking operations.
• Wrote Python-based scripts for backend validation, data comparison, and model testing workflows.
• Improved system efficiency and reduced processing time through optimized backend logic and data handling.
• Worked closely with development and QA teams to build reusable Python utilities and improve CI testing pipelines.

Python Coding Instructor - CAMPUS CREDENTIAL - Mumbai, India

(2020-08 - 2021-04)

• Delivered online sessions on Python fundamentals, data structures, and backend scripting to engineering students.
• Guided students through real-world problem solving using Python, including API basics and file handling.
• Mentored learners on mini-projects using Python and assisted in internship placement preparation.

Bachelor of Engineering - Computer Science - UNIVERSITY OF MUMBAI (2016-01 - 2020)