Ravi K

Sr Software Engineer

Kothiya Infotech • Freelance

Jan 2022 - Aug 2025 • 3 yrs 7 mos

### Core Expertise & Tech Stack Backend Mastery: Expert-level development in ASP.NET Core, C#, and Web API for building robust, secure, and high-concurrency microservices. Architecture: Implementation of Clean Architecture, Domain-Driven Design (DDD), and Microservices patterns to ensure maintainable and scalable codebases. Database Management: Advanced optimization of SQL Server and NoSQL databases, including complex query tuning and schema design. Cloud & DevOps: Expertise in Azure/AWS deployment, CI/CD pipeline automation (Azure DevOps, GitHub Actions), and containerization using Docker. Front-end Integration: Seamless integration with modern frameworks like Angular or React for full-stack delivery. ### Key Achievements Performance Optimization: Refactored legacy .NET modules, resulting in a 40% reduction in server response times and significantly improved user experience. Scalable Infrastructure: Designed and migrated on-premise monolithic applications to a Cloud-native Microservices architecture, improving system uptime to 99.9%. Security & Compliance: Implemented OAuth2/OpenID Connect (Identity Server) protocols, ensuring 100% compliance with data protection standards for fintech and healthcare clients. Agile Leadership: Led cross-functional teams in a freelance capacity to deliver complex modules ahead of schedule, consistently meeting 100% of sprint goals. ### Client Insights & Impact Industry Breadth: Delivered tailored solutions across diverse sectors including E-commerce, Renewable Energy (Solar Tracking systems), and Fintech. Stakeholder Alignment: Acted as a bridge between technical teams and business stakeholders, translating complex requirements into executable technical roadmaps. Cost Efficiency: Leveraged open-source .NET libraries and efficient resource management on Azure to reduce client infrastructure costs by approximately 20%.