vishwadeep S.

Delivered scalable and sophisticated web applications utilizing Laravel, Node.js, React.js, Angular, and .NET stacks tailored for international clients across the APAC and EMEA regions. Designed and executed RESTful and GraphQL APIs for effective integration between distributed microservices and external platforms, which reduced average API latency significantly. Optimized the deployment of enterprise applications on AWS Windows Server environments (EC2/RDS), ensuring high availability and implementing security best practices. Spearheaded the design of CI/CD pipelines with GitHub Actions and Jenkins, transitioning from bi-weekly releases to continuous deployment with integrations for automated linting, unit tests, and canary deployments. Managed cloud infrastructure effectively through Terraform and CloudFormation while setting up monitoring dashboards with Prometheus and Grafana, resulting in a marked reduction in MTTR. Worked alongside global, cross-functional teams to analyze client requirements, produce high-level and low-level architecture documents, and create responsive applications.

Architected a real-time event management platform serving over 500K users, utilizing React.js and Next.js supported by Express.js WebSocket servers managed behind an AWS load balancer. Employed Redis for in-memory caching, session management, and pub/sub messaging to deliver live updates across clustered Node.js servers, alleviating database load. Developed stateless authentication using short-lived JWTs and refresh tokens, writing Express middleware for token verification and role-based access control. Modeled relational data for various entities in PostgreSQL with indexing and connection pooling via PgBouncer, accommodating over 10K concurrent connections. Created Next.js server-rendered pages for public-facing SEO routes and React.js single-page applications for internal dashboards, ensuring synchronization through AJAX and WebSocket clients. Maintained a comprehensive SDLC process that included requirements gathering in Jira and Confluence, UML/ERD design, implementation through MVC with Laravel and Node.js, testing via PHPUnit and Jest, and deployment with Docker and Kubernetes. Improved page load times by optimizing code splitting, lazy loading, Redis caching, and configuring CDN through AWS CloudFront.

Developed and sustained MVC web applications with PHP using Laravel and CodeIgniter, hosted on AWS EC2 and Elastic Beanstalk alongside MySQL for reliable auto-backed relational storage. Created mobile-first, server-rendered user interfaces employing HTML5, CSS3, and Bootstrap, while integrating CSRF protection and non-blocking I/O through JavaScript async/await patterns. Utilized Eloquent ORM and Artisan commands in Laravel, along with CodeIgniter's lightweight MVC framework for swift and secure feature development based on client specifications. Integrated various third-party payment gateways and travel APIs, ensuring secure data transactions and robust error handling.