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Harshini Jonnala - Senior IT Associate in Hyderabad, India

Harshini Jonnala

Senior Backend Software Engineer specializing in distributed systems and cloud microservices

NTT DATASanta Clara UniversityHyderabad, India2 Years ExperienceSenior LevelWorks On-Site

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About

Backend engineer with NTT Data experience building Java/Spring Boot services for product-data ingestion, including Kafka-based asynchronous pipelines and Redis read-through caching. Also built a personal RAG system deployed on Google Kubernetes Service using FastAPI, LangChain, and Pinecone with multi-tenant data isolation; holds a Master’s background in Machine Learning.

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Key Strengths

  • Designed and built internal REST APIs for product data ingestion (real-time and batch sync)
  • Kafka-based async ingestion with parallel channel processing to increase throughput
  • Race-condition prevention via hashing resource IDs to ensure consistent channel routing
  • Database optimization through normalization and indexing (reduced query time from ~10s to ~1s)
  • Built and deployed a RAG application on GKS using FastAPI + LangChain + Pinecone with separate ingestion and retrieval services
  • Implemented multi-tenant isolation by propagating user ID end-to-end and using separate vector-store namespaces
  • Implemented Redis read-through caching with TTL to improve API performance for frequently accessed resources

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Experience

Senior IT AssociateNTT Data · Mar 2021 – Nov 2022
Software Engineer 1Pragma Edge · Aug 2020 – Feb 2021

Education

Santa Clara Universitymaster, Computer Science (2025)
Anurag Group of Institutionsbachelor, Computer Science (2020)

Skills

PythonJavaCC++JavaScriptSQLSpring BootReactDockergRPCGitFirebaseREST APIsMySQLRedis

Languages

English

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Typically responds within 24 hours

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Harshini JonnalaSenior Backend Software Engineer specializing in distributed systems and cloud microservices