AMCAT Universal Player

Overview

Worked as a Backend Engineer on AMCAT Universal Player - a comprehensive assessment platform responsible for delivering multiple types of evaluations including technical assessments, voice-based tests, psychometric analysis, and personality evaluations to millions of candidates.

My Role & Contributions

• Developed backend services for multiple assessment modules including Automata (technical), SVAR (voice), OPQ (psychometric), and personality assessments
• Collaborated with ML engineers to develop psychometric scoring algorithms integral to AMCAT's statistical assessment system
• Enhanced query performance through strategic implementation of Aerospike in-memory caching
• Ensured seamless operation under high-volume conditions during peak assessment periods
• Worked closely with AI team to implement different scoring mechanisms for various assessment types

Assessment Modules Developed

Core Assessment Types

• Automata: Technical assessment module for programming and technical skills evaluation
• SVAR: Voice-based assessment system for communication skills
• OPQ: Psychometric evaluation for personality traits and career aptitude
• Personality Module: Comprehensive personality assessment framework
• Custom Modules: Tailored assessment solutions for specific client requirements

Scoring System Integration

• Implemented diverse scoring algorithms for different assessment types
• Integrated ML models for psychometric and personality evaluations
• Developed statistical scoring for career-based examinations
• Real-time score calculation and normalization across modules

Technical Implementation

Backend Architecture

• Framework: Laravel PHP for robust API development
• Database: MySQL with optimized queries for high-volume data
• Caching: Aerospike in-memory database for performance optimization
• Infrastructure: AWS deployment with auto-scaling capabilities

Performance Optimization

• Minimized response times through strategic caching implementation
• Optimized database queries for concurrent assessment delivery
• Implemented efficient data structures for real-time scoring
• Ensured platform stability during high-stakes examination periods

Results & Impact

Key Achievements

• Successfully integrated multiple assessment modules into unified platform
• Collaborated with AI/ML team to implement sophisticated scoring algorithms
• Enhanced system performance through Aerospike caching implementation
• Maintained platform stability for millions of concurrent assessments
• Developed custom assessment modules based on client requirements

Tech Stack