Sai Kiran

About Sai Kiran

Full Stack Developer with 8+ years of proven expertise in delivering enterprise-scale applications across finance, retail, and technology domains.Strong background in C#/.NET and Python, complemented by frontend proficiency in Angular and React.Specialized in transforming monolithic systems into modular microservices for improved scalability and maintainability.Skilled in designing secure APIs (REST/GraphQL) with OAuth2, JWT, and SAML-based authentication.Experienced in developing cloud-native applications using Azure, AWS, and Kubernetes-based orchestration.Proficient in SQL Server and PostgreSQL with advanced skills in indexing, query optimization, and stored procedures.Designed and implemented CI/CD pipelines using Jenkins, GitHub Actions, and Azure DevOps to automate deployments.Hands-on experience with Docker and Kubernetes for containerization, orchestration, and zero-downtime deployments.Implemented Infrastructure-as-Code using Terraform and CloudFormation to provision reproducible cloud environments.Delivered scalable real-time systems with SignalR, WebSockets, and RabbitMQ.Optimized performance at both frontend and backend levels with caching strategies, load balancing, and profiling tools.Led initiatives for system observability with Grafana, Prometheus, and ELK Stack monitoring solutions.Defined coding standards, conducted peer reviews, and mentored junior engineers to enhance delivery quality.Collaborated with cross-functional Agile teams, including product managers and QA engineers, for end-to-end delivery.Proven ability to manage production incidents under strict SLAs with quick root cause analysis and resolution.Experienced in domain-driven design, design patterns, and enterprise-grade architectural principles.Delivered business-critical features under tight deadlines, ensuring compliance with security and regulatory standards.

Experience

1. Sr Net & Python Full-stack Developer

   Citizens

   Jun 2024 — Present

   Designed and developed.NET + Python microservices ensuring scalability, modularity, and maintainability.Implemented REST and GraphQL APIs with secure authentication and authorization frameworks.Optimized database queries, indexes, and stored procedures for improved performance in.NET + Python environments.Automated CI/CD pipelines using Jenkins, GitHub Actions, and Azure DevOps for faster release cycles.Containerized applications with Docker and orchestrated deployments using Kubernetes.Implemented caching strategies (Redis, in-memory) to reduce load and enhance response times.Built interactive dashboards with Angular/React for dynamic data visualization.Adopted Infrastructure-as-Code practices with Terraform to provision reproducible cloud environments.Developed automated test suites (unit, integration, UI) to ensure high code quality.Integrated monitoring solutions with Grafana, Prometheus, and ELK for system observability.Introduced event-driven communication with RabbitMQ/SignalR for decoupled service architecture.Collaborated with business analysts and product owners to translate requirements into technical solutions.Conducted peer code reviews to enforce coding standards and improve maintainability.Provided mentoring and knowledge transfer to junior developers in.NET + Python design patterns.Ensured compliance with security standards and regulatory guidelines for financial-grade systems.Documented APIs, onboarding guides, and runbooks for operational transparency.Investigated production incidents, performed root cause analysis, and implemented permanent fixes.Environment: C#, ASP.NET Core 7, Python, Angular, SQL Server, Azure DevOps, Docker, Kubernetes, Redis.