Gowthami Tallapureddy

Senior Python/ Gen AI Developer @ AT&T

About

I'm a Senior Python / GenAI Developer with over 7 years of experience designing, developing, and deploying enterprise-grade AI/ML solutions across telecom, banking, healthcare, and financial domains. Specialized in Generative AI, LLM fine-tuning, Retrieval-Augmented Generation (RAG), and intelligent automation, with proven success in reducing operational costs, improving system reliability, and enabling large-scale digital transformation. Expert in Python, AI/ML frameworks and cloud-native deployments (AWS, Kubernetes, Docker, FastAPI). Hands-on experience building fraud detection systems, medical imaging AI, intelligent document processing, anomaly detection models, and AI-powered chatbots. Strong background in data engineering (ETL, Airflow, Hadoop, SQL/NoSQL), API development, and full-stack applications with Angular and Django/Flask. Adept at mentoring teams, driving Agile delivery, and ensuring compliance with industry regulations. Recognized for delivering scalable AI-powered platforms supporting millions of users, improving customer support efficiency by up to 70%, and enhancing data-driven decision-making through AI observability, dashboards, and real-time insights.

Country

City

United States

Industry

Information Technology & Services

Skill

TensorFlow, ETL Tools, Open AI, AI/ML, Large Language Models (LLM), Retrieval-Augmented Generation (RAG), Extract, Transform, Load (ETL), Agile Methodologies, Core Java, Time Management, Project Management, Decision-Making, Data Conversion, Business Impact Analysis, Business Process Development, Analytics, Requirements Gathering, Creative Problem Solving, Data Profiling, Data Maintenance

Experience

Senior Python/ Gen AI Developer

AT&T

2024-7 - Present · 2 yrs 3 mos

United States

This project leverages Generative AI and Prompt Engineering to automate Tier-1 customer support—routine queries like password resets, account unlocks, and basic troubleshooting. These typically account for 70% of incoming support tickets, overwhelming human agents and delaying resolution of more complex issues.

Senior Python / GenAI Developer 

Walmart

2022-11 - 2024-6 · 1 yr 8 mos

United States

Designed and implemented Generative AI solutions for intelligent document processing, enabling automated extraction and summarization of financial contracts with 90%+ accuracy. Developed ETL pipelines in Python to clean and preprocess large-scale unstructured data (PDFs, Excel, JSON) for LLM ingestion.

Python Developer/ AI/ML Engineer

Tata Consultancy Services

2020-7 - 2022-6 · 2 yrs

Karnataka, India

Designed and developed machine learning pipelines in Python to detect fraudulent transactions, improving fraud detection accuracy by 18%. Built and deployed classification and predictive models using Scikit-learn, TensorFlow, and Keras, reducing false positives by 22%. Implemented NLP techniques to analyze unstructured customer feedback, enhancing sentiment-based risk scoring with 85%+ accuracy. Developed ETL processes to clean, transform, and load millions of financial records daily into PostgreSQL and Hadoop clusters, cutting data processing time by 40%.

Full Stack Python Developer 

Cognizant

2019-8 - 2020-6 · 11 mos

Hyderabad, Telangana, India

Developed and maintained web applications for managing customer subscriptions, billing, and network service requests. Built RESTful APIs using Python (Django/Flask) to integrate with internal telecom systems and third-party vendors. Designed and implemented front-end components using Angular, JavaScript, HTML5, and CSS3 for responsive user interfaces. Worked on real-time data processing pipelines to monitor network usage and generate alerts. Integrated with SQL and NoSQL databases (PostgreSQL, MongoDB) for scalable data storage.

Python Developer

Infosys

2018-7 - 2019-6 · 1 yr

Hyderabad, Telangana, India

Designed and developed backend modules using Python & Django for patient records, doctor availability, and billing workflows. Built and maintained RESTful APIs for mobile apps and third-party integrations. Implemented role-based authentication and session management to ensure data security. Wrote automation scripts in Python for data migration from legacy systems. Developed reporting dashboards using Django templates and chart libraries.