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I’m Sridhar Vaggu, a software engineer with 5+ years of experience building high-concurrency microservices and full-stack applications. I’ve architected systems that handle large transaction volumes and real-time workflows, from inventory and auction/bidding platforms to responsive dashboards and robust event-driven backends. I also enjoy working at the intersection of engineering and AI—integrating OpenAI and building RAG pipelines with tools like LangChain and pgvector—so products can deliver faster, more relevant, and personalized experiences. Alongside development, I’ve supported production reliability through cloud and container orchestration on AWS EKS/Kubernetes, strong database tuning, and practical monitoring for performance and model quality.…I’m Sridhar Vaggu, a software engineer with 5+ years of experience building high-concurrency microservices and full-stack applications. I’ve architected systems that handle large transaction volumes and real-time workflows, from inventory and auction/bidding platforms to responsive dashboards and robust event-driven backends. I also enjoy working at the intersection of engineering and AI—integrating OpenAI and building RAG pipelines with tools like LangChain and pgvector—so products can deliver faster, more relevant, and personalized experiences. Alongside development, I’ve supported production reliability through cloud and container orchestration on AWS EKS/Kubernetes, strong database tuning, and practical monitoring for performance and model quality.

Sridhar Vaggu

Software Engineer, Back-End Developer, Full Stack Developer, +4

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I’m Sridhar Vaggu, a software engineer with 5+ years of experience building high-concurrency microservices and full-stack applications. I’ve architected systems that handle large transaction volumes and real-time workflows, from inventory and auction/bidding platforms to responsive dashboards and robust event-driven backends. I also enjoy working at the intersection of engineering and AI—integrating OpenAI and building RAG pipelines with tools like LangChain and pgvector—so products can deliver faster, more relevant, and personalized experiences. Alongside development, I’ve supported production reliability through cloud and container orchestration on AWS EKS/Kubernetes, strong database tuning, and practical monitoring for performance and model quality.…I’m Sridhar Vaggu, a software engineer with 5+ years of experience building high-concurrency microservices and full-stack applications. I’ve architected systems that handle large transaction volumes and real-time workflows, from inventory and auction/bidding platforms to responsive dashboards and robust event-driven backends. I also enjoy working at the intersection of engineering and AI—integrating OpenAI and building RAG pipelines with tools like LangChain and pgvector—so products can deliver faster, more relevant, and personalized experiences. Alongside development, I’ve supported production reliability through cloud and container orchestration on AWS EKS/Kubernetes, strong database tuning, and practical monitoring for performance and model quality.

Available to hire

I’m Sridhar Vaggu, a software engineer with 5+ years of experience building high-concurrency microservices and full-stack applications. I’ve architected systems that handle large transaction volumes and real-time workflows, from inventory and auction/bidding platforms to responsive dashboards and robust event-driven backends.

I also enjoy working at the intersection of engineering and AI—integrating OpenAI and building RAG pipelines with tools like LangChain and pgvector—so products can deliver faster, more relevant, and personalized experiences. Alongside development, I’ve supported production reliability through cloud and container orchestration on AWS EKS/Kubernetes, strong database tuning, and practical monitoring for performance and model quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Advanced

Javanese

Advanced

Work Experience

Software Engineer at Uber USA

October 1, 2025 - Present

Architected 8 Java Spring Boot microservices for real-time inventory management and high-throughput bidding workflows deployed on AWS EKS. Built a high-concurrency React.js live-bidding dashboard using WebSockets and Redis caching to support 120k active users during peak auction events. Developed Node.js/Express backend microservices for handling high-volume bid notification payloads, and used Apache Kafka to process live bid transmissions with zero message loss. Optimized PostgreSQL performance using HikariCP pooling and query tuning to keep responses below 180 ms under concurrency. Containerized services with Docker and Kubernetes, integrating automated deployment pipelines across Jenkins and GitHub Actions. Integrated OpenAI GPT-4 APIs and Python recommendation algorithms, and launched a LangChain RAG pipeline with pgvector to enable semantic search over 300 GB of inspection logs. Implemented model monitoring with scikit-learn metrics and Prometheus for latency, evaluation, and drif

System Admin / Software Engineer at Florida State University

May 1, 2024 - September 30, 2025

Administered campus Linux and Windows Server infrastructure supporting 450k user records, focusing on uptime, security hardening, and enterprise IAM access policies. Automated PowerShell and Bash routines for bulk Active Directory identity provisioning, automating user lifecycle management for 12k accounts. Maintained administrative campus web utilities using PHP and Vue.js and integrated Salesforce Apex triggers for course registration/enrollment workflows. Built REST API integration pipelines synchronizing ServiceNow incidents with central ERP systems, reliably syncing 5,000 operational records daily. Implemented automated logging, scheduled backups, and resource monitoring across multiple academic departments. Performed database migration and validation for 80k student/faculty records with zero data loss. Developed Python scripts to classify IT support tickets and route 800+ weekly submissions to specialized helpdesk queues for faster resolution.

Full Stack Developer at KPMG India

June 1, 2019 - July 31, 2022

Delivered enterprise compliance web applications using Enterprise Java/Spring Boot and Angular to support audit workflows for 200 consultants. Created interactive frontend reporting dashboards backed by Oracle SQL with fast analytical queries over 1 million records. Decoupled a legacy monolith into 12 Spring Boot microservices to improve resilience and availability. Designed secure multi-tenant REST APIs using Hibernate ORM and Spring Security. Refactored 30 high-volume SQL queries through index tuning and query plan optimization to maintain sub-second response times under peak audit reporting load. Implemented centralized logging and observability using Logback and Grafana across all microservices. Wrote 250+ unit/integration tests using JUnit, Mockito, and Maven to reduce post-release defects to minimal issues per production cycle.