Ayush Raj

Architected and scaled production-grade backend services using Java & Spring Boot on Microsoft Azure, ensuring high-availability for a system handling 30,000+ SQL executions daily.

Engineered a high-performance SQL Compiler & Assessment Engine with real-time query validation and scoring, supporting 30+ concurrent assessments daily with zero downtime.

Automated infrastructure workflows by designing Azure CI/CD pipelines and CLI-based automation, streamlining deployments for mission-critical compiler services.

Developed an Open Online Compiler platform featuring secure code execution, SSO integration, and shared code tracking — designed for high concurrency and audit-ready workflows.

Implemented AI-powered evaluation systems, including ATS resume scoring and JD-matching algorithms, along with AI-detection tools to ensure code quality and integrity.

Led the migration of a legacy C# codebase to a modular Java Spring Boot architecture, achieving 100% feature parity while improving maintainability and performance.

Engineered a 3-tier Spring Boot application for core HR flows, including company onboarding, profile creation, and team management modules.

Developed an E2E Applicant Tracking System (ATS) with integrated status tracking, real-time notifications, and automated email alerts.

Scaled interview operations by integrating Google Calendar API for 1,000+ daily sessions and building a real-time chat service for coordination.

Built an Analytics Dashboard using ElasticSearch for real-time data aggregation and advanced search across thousands of job applications.

Managed full SDLC and deployment on AWS (EC2/RDS) with E2E networking, REST API design, and unit/integration testing.

Developed a backend service using Spring Boot to streamline question addition to the platform.

Collaborated with design and product teams to debug and enhance the teacher login portal.

Built two frontend pages and improved UI content, contributing to an 8% increase in mobile user engagement.

Designed, developed, and deployed 50+ WordPress websites for clients across healthcare, food & beverage, manufacturing, and retail industries.

Managed end-to-end delivery — domain registration, hosting setup on Hostinger & GoDaddy, custom theme & plugin configuration, and go-live.

Handled DNS management, SSL configuration, site migrations, and ongoing maintenance for all deployed properties.

Worked directly with clients to translate business requirements into polished, mobile-responsive websites with on-page SEO best practices.