Backend Developer Real-Time

MAMATHA PUDUKUTAPU

Irving, TX 469-***-**** *******.*****@*****.*** LinkedIn GitHub

Professional Summary

Java Backend Developer with 8+ years of experience designing and developing scalable, high-performance applications using Java 8-17, Spring Boot, and Kafka, REST Based Web Services(REST APIS)

Strong expertise in microservices architecture, event-driven systems, and distributed computing.

Hands-on experience with Spring Security, Spring Cloud, and Spring Transactions for authentication, service discovery, and data consistency.

Experience with high-availability and fault-tolerant systems using Resilience4J, Circuit Breakers, and Load Balancing.

Proficient in PostgreSQL, AWS, Docker, Kubernetes, and Kafka for real-time messaging.

Strong debugging, troubleshooting, and monitoring skills using ELK Stack

Agile team player with experience in collaborating across cross-functional teams to deliver secure and scalable backend solutions.

Technical Skills

Programming Languages: Java (Java 8, 11, 17), SQL

Frameworks & Tools: Spring Boot, Spring Security, Spring Cloud, Spring Transactions, Hibernate,Maven

Event-Driven Systems: Kafka

Cloud & Infrastructure: AWS (EC2, S3, RDS)(basics), Docker(basics), Kubernetes(basics)

High Availability & Resilience: Resilience4J, Circuit Breakers, Load Balancing, Failover Strategies

Databases: PostgreSQL, MySQL, Cassandra

Logging & Monitoring: ELK Stack

Version Control & CI/CD: Git, Jenkins

Frontend Exposure: HTML, CSS, JavaScript (debugging & minor fixes),React JS

Methodologies: Agile, Scrum, Test-Driven Development (TDD)

Professional Experience

USAA, (Remote, US) – March 2023 – Present

Software Engineer

Project: Payment Fraud Detection & Secure Transaction Processing System

Developed a high-availability backend system for fraud detection, secure transactions, and real-time payment verification integrated with USAA’s financial platforms.

Key Responsibilities:

Built Spring Boot REST APIs to process real-time financial transactions securely

Designed fraud detection workflows using Kafka event streams to flag suspicious transactions based on AI models.

Integrated Stripe Payment API for handling deposits, withdrawals, and chargebacks securely.

Secured APIs using Spring Security (JWT-based authentication) for customers and admins.

Used Spring Transactions (@Transactional) for ensuring atomicity in multi-step financial operations.

Improved high-availability and scalability using Resilience4J circuit breakers and AWS load balancing.

Monitored logs and fraud patterns using ELK Stack

AMDOCS - Hyderabad, India – Mar 2020 – Dec 2022

Senior Software Engineer

Project: Telecom Event Processing & Analytics Platform

Developed a real-time telecom event processing system to track customer requests, call usage, and service reliability.

Key Responsibilities:

Built Spring Boot microservices to process customer service requests and network events.

Integrated Kafka for real-time processing of telecom event logs.

Optimized MySQL queries for high-volume data processing and analytics.

Used Spring Cloud (Eureka, Config Server, Resilience4J) for service discovery, fault tolerance, and centralized configuration.

Ensured data consistency using Spring Transactions (@Transactional) in multi-step telecom workflows.

Assisted in debugging and fixing frontend UI issues for the analytics dashboard.

Integrated ELK Stack for real-time monitoring and anomaly detection.

AMDOCS - Hyderabad, India – July 2015 – Feb 2019

Software Engineer

Project: Telecom Subscription & Billing System

Developed a telecom billing and customer subscription platform for plan activations, modifications, and revenue tracking.

Key Responsibilities:

Developed Spring Boot REST APIs for handling customer subscriptions, billing cycles, and payment processing.

Upgraded backend services from Java 7 to Java 8, later migrating to Java 11 for performance improvements.

Designed PostgreSQL stored procedures for subscription data retrieval and reporting.

Assisted in migrating parts of the monolithic system to microservices architecture.

Debugged and fixed minor frontend UI issues (HTML, CSS, JavaScript).

Integrated APIs with CRM and network provisioning systems.

Education

Master of Science in Computer Science (STEM) – Lamar University, Beaumont, Texas (2024)

Bachelor of Technology in Computer Science – VBIT, Hyderabad, India (2015)

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