Mantosh Kumar

Results-driven Python Full Stack Developer with 7+ months of industry experience building end-to-end web applications using Python, Django, React.js, REST APIs, and MongoDB. Delivered LLM-powered AI agents, MVC-based full stack systems, and NLP-driven dashboards at Airtel Digital — improving user engagement by 60%, reducing failure diagnosis time from hours to seconds, and improving SLA performance. Skilled in JavaScript, SQL, Docker, CI/CD, Machine Learning, and Generative AI with strong Agile and system design fundamentals.

SDE Intern - Airtel Digital - Gurgaon

(2025-01 - 2025-05)

• Architected an end-to-end LLM-based AI agent with Django REST API backend and React.js frontend, cutting Video Start Failure diagnosis time from hours to seconds.
• Built a Python root cause classification engine (CDN/Auth/Network) using MongoDB pipelines, reducing support escalations by 40% and improving Airtel/Xstream SLA performance.
• Developed an automated ticketing system with confidence scores and an NLP-powered React.js operational dashboard unifying real-time and historical metrics.

SDE Intern - Airtel Digital - Gurgaon

(2024-08 - 2024-11)

• Built a full stack Django MVC + React.js template catalog system, automating template analysis and reducing manual effort for Airtel/Xstream teams by ∼50%.
• Developed Python/Django REST APIs serving ML models for keyword extraction and CTR prediction, boosting campaign user engagement by 60%.

Research Intern - NIT Patna - Patna

(2024-02 - 2024-06)

• Trained CNN, DNN, and RNN models for multi-class emotion classification; applied LIME explainability achieving interpretable predictions across 6 emotion classes.

B.Tech - CSE - CSVTU, Bhilai (2021 - 2025)