Nithish Marneni

Full-Stack Software Engineer

Results-driven Software Developer with 4+ years at PayPal and AT&T. Specialized in Spring Boot, Kafka, React, and cloud-native architectures.

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Experience

PayPal June 2025 – Present

Software Developer

Engineered fraud detection microservices processing millions of transactions with Spring Boot and Kafka
Built real-time event-driven pipelines for transaction monitoring and risk analysis
Designed and deployed RESTful APIs for payment processing and compliance workflows

Lamar University Jan 2024 – May 2025

Research Assistant

Developed a full-stack vendor management system with React frontend and Spring Boot backend
Deployed containerized microservices on Azure AKS with CI/CD pipelines
Optimized database queries and API response times, reducing latency by 40%

AT&T July 2021 – July 2023

Software Developer

Built and maintained 20+ microservices handling 1M+ daily API requests
Developed AI-powered chatbots for customer service automation
Implemented event-driven architectures with Kafka and designed CI/CD pipelines with Jenkins

Selected Work

Featured Project

Spring Boot Microservices Banking System

Full-stack microservices architecture with Spring Boot design patterns and real-time financial transaction processing, service discovery, and API gateway.

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Fraud Detection System

Real-time fraud detection with ML models for transaction analysis and risk scoring.

#Java #SpringBoot #Analytics

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Financial API Service

RESTful API for financial data with authentication and rate limiting.

#Java #REST #SpringBoot

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Real-Time Chat System

Multi-threaded chat with message queuing and real-time communication patterns.

#Java #Networking #Architecture

Skills

Backend

Java Spring Boot Hibernate REST APIs Microservices Kafka

Frontend

React Angular TypeScript HTML5 CSS3

Cloud & DevOps

AWS Azure Docker Kubernetes Jenkins CI/CD

Databases

MySQL PostgreSQL MongoDB DynamoDB

Testing

JUnit Mockito Selenium TestNG TDD

Let's Connect

Open to opportunities and collaboration.

mnithishj1@gmail.com
+1 (409) 351-9130