Sarthak Tyagi

About

B.Tech graduate with practical experience in Java backend development using Spring Boot and RESTful APIs. Experienced in data annotation and quality review for AI/ML datasets, with strengths in Core Java, OOP, and SQL.

Experience

• ANALYST - AI/LLM PRACTICE
  Innodata India Pvt. Ltd. · Noida
  Dec 2025 – May 2026

  Worked on evaluation and quality analysis of Large Language Model (LLM) outputs. Performed prompt testing and response validation to improve model accuracy. Reviewed and annotated datasets to enhance model performance. Collaborated with AI engineers and QA teams to refine output standards. Contributed to improving response relevance and alignment with client guidelines.

Education

• 2025
  B.Tech in Computer Science and Engineering

  Dr. A. P. J. Abdul Kalam Technical University, Lucknow

  Computer Science and Engineering (CSE) · 2021 – 2025

  Computer Science and Engineering (CSE) · 2021 – 2025
• 2021 ?
  Senior Secondary (PCM)

  Science · 2021

  Science

Skills

Tools / apps / platforms

Projects

• Smart Inventory and Billing System
  Python, Streamlit, PostgreSQL

  Built a web-based inventory and billing application using Streamlit with a PostgreSQL backend for persistent data storage. Designed core modules for Customer Management, Product Management, Sales Management, and Analytics & Reports. Implemented automatic database table initialization and a real-time dashboard displaying total customers, products, and sales. Structured the app with a sidebar navigation menu for seamless switching between management modules.

• Multi-threaded Web Server
  Java

  Built a custom HTTP Web Server using Java sockets to handle client-server communication. Implemented request parsing, routing, and response generation for HTTP protocols. Served static and dynamic content, demonstrating understanding of backend processing. Handled multiple client requests and optimized request-response lifecycle. Gained practical knowledge of server architecture, networking concepts, and REST principles.

• Ticket Booking System
  Java

  Developed a Ticket Booking System using Java to automate ticket reservation processes. Implemented features such as user authentication, ticket search, seat selection, booking, and cancellation. Designed and integrated RESTful APIs for handling booking operations and user requests. Managed data storage using a database, ensuring data consistency and preventing duplicate bookings. Applied backend validation and business logic to improve reliability and accuracy of transactions.