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I’m Kaleem Raja, a Senior Full-Stack Developer with nine years of experience building high-performance, scalable web applications. I specialize in .NET Core, C#, Angular, and React, and I thrive on turning complex requirements into robust, maintainable solutions that perform under pressure. I’ve led microservices initiatives, streamlined CI/CD pipelines, and implemented cloud-based architectures on Azure and AWS. I’m passionate about clean code, strong security, and collaborative mentoring to help teams ship reliable software quickly.…I’m Kaleem Raja, a Senior Full-Stack Developer with nine years of experience building high-performance, scalable web applications. I specialize in .NET Core, C#, Angular, and React, and I thrive on turning complex requirements into robust, maintainable solutions that perform under pressure. I’ve led microservices initiatives, streamlined CI/CD pipelines, and implemented cloud-based architectures on Azure and AWS. I’m passionate about clean code, strong security, and collaborative mentoring to help teams ship reliable software quickly.

Kaleem Raja

Full Stack Developer, Web Developer, Back-End Developer, +2

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I’m Kaleem Raja, a Senior Full-Stack Developer with nine years of experience building high-performance, scalable web applications. I specialize in .NET Core, C#, Angular, and React, and I thrive on turning complex requirements into robust, maintainable solutions that perform under pressure. I’ve led microservices initiatives, streamlined CI/CD pipelines, and implemented cloud-based architectures on Azure and AWS. I’m passionate about clean code, strong security, and collaborative mentoring to help teams ship reliable software quickly.…I’m Kaleem Raja, a Senior Full-Stack Developer with nine years of experience building high-performance, scalable web applications. I specialize in .NET Core, C#, Angular, and React, and I thrive on turning complex requirements into robust, maintainable solutions that perform under pressure. I’ve led microservices initiatives, streamlined CI/CD pipelines, and implemented cloud-based architectures on Azure and AWS. I’m passionate about clean code, strong security, and collaborative mentoring to help teams ship reliable software quickly.

Available to hire

I’m Kaleem Raja, a Senior Full-Stack Developer with nine years of experience building high-performance, scalable web applications. I specialize in .NET Core, C#, Angular, and React, and I thrive on turning complex requirements into robust, maintainable solutions that perform under pressure.

I’ve led microservices initiatives, streamlined CI/CD pipelines, and implemented cloud-based architectures on Azure and AWS. I’m passionate about clean code, strong security, and collaborative mentoring to help teams ship reliable software quickly.

Skills

Experience Level

Expert

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Work Experience

Senior Full-Stack Developer at Agilesol

April 1, 2020 - Present

Engineered and deployed high-performance, secure web applications using .NET Core and C#, handling high transaction volumes while maintaining sub-second response times. Implemented a comprehensive microservices architecture based on Domain-Driven Design (DDD), enabling independent team deployments. Led full CI/CD automation using Jenkins and Azure DevOps, reducing deployment time and increasing release reliability. Integrated external systems via REST APIs, SOAP services, webhooks, and message queues (RabbitMQ/Kafka). Managed deployments on Azure and AWS with Docker and Kubernetes. Optimized SQL Server databases with EF Core and advanced query tuning, and built a scalable Cosmos DB layer with indexing for globally low latency. Developed SPAs with Angular and React. Mentored four junior developers and established centralized logging/monitoring with ELK/Prometheus and Azure Application Insights, cutting production issue resolution time by 40%. Implemented security practices (OWASP, JWT,

Full-Stack Developer at Orases

April 1, 2017 - March 31, 2020

Spearheaded migration of critical legacy applications to modern .NET Core architectures, increasing system efficiency and maintainability by 40%. Established end-to-end testing with Selenium and Cypress, reducing post-release regression defects by 25%. Optimized performance via caching and refactoring, achieving 35% throughput improvement. Drove adoption of CI/CD pipelines (Azure DevOps / GitHub Actions) for automated testing, building, and deployment, reducing deployment lead time from hours to minutes and boosting release frequency by 50%. Migrated components to serverless (Azure Functions/Logic Apps) achieving 99.99% uptime and reducing infrastructure costs by ~20%. Designed API-driven apps integrating Angular/React with enterprise .NET backends. Integrated AWS/Azure services for fault-tolerant, highly available systems. Enhanced deployment reliability with automated static code analysis and security auditing.