Sai Hasvanth

About Sai Hasvanth

I’m a Senior Java Full Stack Developer with around 7 years of experience designing, building, and scaling enterprise-grade applications that power real business outcomes. I specialize in Java 8/11/17, Spring Boot, React, and microservices, developing secure, event-driven systems that run seamlessly across AWS, GCP, and Azure.Over the years, I’ve helped companies like Comcast, CVS Health, and IM Global modernize legacy monolithic applications into cloud-native, microservice-based platforms. My work spans the full SDLC from architecture and API design to CI/CD automation, production monitoring, and performance optimization.I’m passionate about writing clean, testable, and maintainable code, and I love solving complex technical problems through collaboration and simplicity. Whether it’s designing event-driven pipelines with Kafka, orchestrating workloads with Kubernetes, or implementing secure authentication with OAuth 2.0 and JWT, I focus on building systems that are reliable, scalable, and future-proof.What drives me most is seeing technology make things simpler improving user experience, streamlining operations, and helping teams deliver faster with confidence.Core Strengths:Cloud-Native Development (AWS | GCP | Azure)Java 17 | Spring Boot | Microservices ArchitectureReact | Angular | TypeScript | Responsive UI DesignEvent-Driven Systems | Apache Kafka | RabbitMQCI/CD Automation | Docker | Kubernetes | Terraform | JenkinsSecurity & Compliance | Spring Security | OAuth 2.0 | JWTData & ETL | PostgreSQL | MongoDB | Cassandra | SparkAgile | TDD | DevSecOps | Mentorship & Team LeadershipI thrive in environments where innovation meets accountability, where teams work cross-functionally, iterate quickly, and ship products that make a real impact.If you’re building high-availability systems, scaling APIs, or modernizing enterprise applications, I’d love to connect and exchange ideas.

Experience

1. Senior Java Full Stack Developer

   Comcast

   Sep 2022 — Present

   I work on Comcast’s large-scale digital experience platform that supports millions of customers across billing, streaming, and self-service systems. My focus is on modernizing legacy applications into secure, cloud-native microservices deployed on AWS and GCP.Designed and built microservices with Java 17, Spring Boot, and Spring Cloud, deployed on AWS (EC2, RDS, Lambda, S3) and GCP (Cloud Run, Pub/Sub) for scalability and high availability.Developed React and Angular-based SPAs using Redux, RxJS, and TypeScript, delivering fast, responsive user interfaces.Built event-driven pipelines with Apache Kafka and Kafka Streams, handling millions of real-time transactions and cutting data latency by 40%.Implemented secure REST and SOAP APIs integrated with partner systems via MuleSoft, Kafka, and RabbitMQ.Upgraded monolithic apps to microservices, applying design patterns and functional programming (Streams, Lambdas) for cleaner, more efficient code.Automated CI/CD using Jenkins and GitLab CI, integrated JUnit, Mockito, and Selenium, reducing release time by 35%.Deployed containerized apps using Docker and Kubernetes (EKS, GKE) with blue-green and rolling releases for zero downtime.Optimized data access for PostgreSQL, Oracle, MongoDB, and Cassandra using indexing, partitioning, and caching strategies.Built monitoring dashboards with Grafana, Prometheus, and Splunk, improving visibility and reducing MTTR.Partnered with DevOps teams to implement Terraform and Ansible for automated provisioning and multi-environment consistency.Collaborated cross-functionally in Agile sprints and mentored junior developers in microservices, DevOps, and cloud best practices.

Education

• Arizona State University

  Master of Science - MS, Information Technology