Hello! 👋

I'm Lalith Sai Kumar

Software Engineer

About

Final-year Artificial Intelligence and Data Science student with hands-on experience in backend system design, serverless architectures, and machine learning. Proficient in building scalable applications with PostgreSQL, REST APIs, and cloud-native technologies. Recent contributions include refactoring open-source codebases for improved domain clarity and developing a financial analytics platform handling 1K+ daily data updates with optimized caching. Strong foundation in Data Structures, Algorithms, Object-Oriented Programming, and full-stack development. Proven ability to collaborate effectively in agile environments, deliver production-ready solutions, and apply engineering principles to solve real-world challenges.

Python Java C SQL JavaScript PostgreSQL Flask Django REST APIs Backend System Design Serverless Functions CI/CD Docker Machine Learning ML Pipelines GCP

Projects

01

Financial Analytics Platform

Serverless backend platform ingesting live stock data for 150+ NSE-listed stocks with PostgreSQL schemas, external API integration, and hash-based caching reducing API calls by 70-80%. Handles 1K+ daily data updates with ownership-based access control.

PostgreSQL REST APIs Serverless Functions Supabase
02

AI Campus Chatbot with Local RAG & Gemma2

A full-stack, privacy-first chat assistant for campus information with RAG and locally-hosted Gemma2:2b model. Features real-time chat UI, custom knowledge base, and runs entirely offline.

Python Flask JavaScript Ollama FAISS
03

Real-Time AI Risk Scoring System

Real-time ML pipeline processing 100+ IoT endpoints with anomaly detection. Enhanced system performance by 30% and deployed scalable solution to GCP serving 3+ teams.

Python Scikit-learn GCP Docker
04

Car Dealership Cloud Application

Full-stack web app with authentication, admin panel, and data management. Improved user experience by 40% through backend enhancements and reduced load times by 20%.

Python Django REST APIs HTML/CSS

Experience

Open Source Contributor

Activist (GitHub), Remote

Dec 2025
  • Refactored backend and frontend modules to improve domain clarity and data consistency
  • Updated APIs, shared types, tests, and documentation to align with revised domain models
  • Collaborated with maintainers through structured pull requests, reviews, and CI fixes

Software Engineer Intern

Proven Solution, Riyadh, Saudi Arabia, Remote

Oct 2024 – May 2025
  • Designed and tested ML algorithms achieving 85% accuracy for telemetry systems
  • Developed scalable inference engine reducing latency by 30 seconds
  • Built and debugged REST APIs in collaborative team environment
  • Contributed to 15+ Agile sprints and reviewed 50+ PRs

Education

Bachelor of Technology in Artificial Intelligence and Data Science

Sree Rama Engineering College (Affiliated to JNTUA), Tirupati, India

Oct 2022 - Expected Apr 2026
  • Specializing in Artificial Intelligence and Data Science
  • Strong foundation in Machine Learning and Deep Learning
  • Coursework in Data Structures, Algorithms, and Statistical Analysis

Certifications

Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate

Oracle

Issued Oct 2025
  • Earned a certification demonstrating strong foundational knowledge in Artificial Intelligence and Machine Learning, including Generative AI, LLMs, and Deep Learning models. Gained hands-on exposure to Oracle Cloud Infrastructure (OCI) AI, ML, and 23ai services for building scalable, real-world AI solutions.

Analyzing Data with R

edX

Issued April 2024
  • Earned a certification in Analyzing Data with R, demonstrating proficiency in data manipulation, visualization, and statistical analysis using R. Gained hands-on experience applying data-driven techniques to extract insights and support informed decision-making.

Full Stack Application Development Project

IBM

Issued April 2024
  • Completed a Full Stack Application Development Project, showcasing expertise in frontend, backend, and database integration using modern web technologies. Designed and deployed a scalable, user-centric application emphasizing performance optimization, responsive UI, and efficient RESTful API communication.

Software Engineering Job Simulation

JPMorgan Chase & Co.

Issued Jan 2024
  • Completed the Software Engineering Job Simulation with J.P. Morgan & Co., gaining hands-on experience in software development, data visualization, and code optimization. Applied engineering principles to enhance real-time financial data processing systems, improving performance and reliability in a simulated industry environment.

Python Essentials 1

Cisco

Issued Nov 2023
  • Earned the Python Essentials 1 certification from Cisco Networking Academy, demonstrating proficiency in core Python programming concepts, including data structures, control flow, and functions. Gained practical experience in writing efficient, modular, and well-structured Python code for problem-solving and application development.

Skills

Python Java C JavaScript SQL Machine Learning Flask Django REST APIs Backend System Design CI/CD Docker Scikit-learn Pandas NumPy Feature Engineering Data Preprocessing ML Pipelines FAISS Ollama Large Language Models RAG PostgreSQL Serverless Functions Supabase Google Cloud Platform Git VS Code Visual Studio PyCharm Data Structures Algorithms Object-Oriented Programming Operating Systems Database Management Software Engineering Backend Development HTML/CSS Agile