Next Learning Tools 2023 - Present

• Contributed to subject-specific tools using Java, Python, and AngularJS with REST APIs.
• Designed robust database structures and implemented efficient storage/retrieval logic.
• Integrated third-party vendor products using OAuth/JWT for secure user experience.
• Modified open-source projects (Pyodide, Scratch) for LMS integration.
• Designed UI workflow for development of Next Learning Tools.

Tech Stack: Java, Python, AngularJS, MySQL, JWT, AWS

Next Exam Management System 2021 - Present

• Developed a scalable exam management system for 1000+ schools using Spring Boot and AngularJS.
• Built evaluation modules for teachers to assess over 1 million student attempts.
• Integrated proctoring and real-time teacher-student interaction using Firebase and video APIs.
• Implemented QR-based assessments with ZXing and bulk PDF generation using Apache Kafka.
• Created interactive analytics and reporting dashboards using Highcharts.js.

Next Live Lectures 2020 - 2021

• Designed database schema to manage live lecture metadata (scheduling, teacher allocation, student participation for 30L+ sessions).
• Implemented live sessions using OpenTok and real-time multiplayer quizzes using Socket.io.
• Created cron jobs for dynamic server allocation and automatic shutdown of idle sessions, reducing cloud costs by 25%.

Next Question Management System 2018 - 2020

• Architected QMS microservice supporting 43L+ questions with multiple question types.
• Integrated OptaPlanner and Drools for auto-generated assessments aligned with curriculum.
• Implemented adaptive assessments using IRT and KST.
• Enabled PDF generation for assessments using Apache Velocity Renderer and batch processing.
• Built usage analytics and monitoring dashboards using Metabase.
• Internationalized frontend and backend to support multiple languages.

Next Student & Staff Management 2016 - 2018

• Developed staff and student modules managing 50L+ student and 5L+ staff records.
• Implemented RESTful APIs and dynamic UI components.
• Created bulk upload functionality using Apache POI for Excel data.
• Optimized stored procedures and database schemas for performance.
• Wrote JUnit tests ensuring 90%+ API coverage.