Senior Backend Engineer (Java) with 12+ yrs Experience

PRASANTHI MARADANA

Dallas, TX 469-***-**** *****************@*****.***

SENIOR BACKEND ENGINEER (JAVA)

Senior Backend Engineer with 12+ years of experience designing, developing, and operating scalable backend systems using Java and Spring Boot. Deep expertise in API development, distributed systems, data access layers, and production-grade services supporting high-traffic enterprise platforms. Strong focus on performance, reliability, security, and clean backend architecture, with extensive experience supporting mission-critical systems in production.

BACKEND CORE SKILLS

Languages: Java 17, Java 8, SQL

Backend Frameworks: Spring Boot, Spring MVC, Spring Data JPA, Spring Security

API Development: REST, SOAP, GraphQL, JAX-RS, JAX-WS

Data Layer: Hibernate, JPA, JDBC, Oracle, MySQL, PostgreSQL, Cassandra, Redis, Kafka

System Design: Microservices, SOA, Design Patterns, Transaction Management

DevOps (Backend-focused): CI/CD (Jenkins), Docker, Kubernetes, AWS, PCF

Observability: Fluentd, Kibana, Redshift, Log4j

Tools: Git, Postman, SonarQube, IntelliJ, Eclipse

PROFESSIONAL EXPERIENCE

Verizon Communications – Irving, TX

Senior Backend Engineer Visible – NSA Migration

Oct 2025 – Present

Leading backend development for Visible migration to NSA architecture, supporting end-to-end phone and plan purchase flows.

Designed and implemented REST APIs to display devices and plans, enabling customers to add items to cart and complete checkout.

Built Add-to-Cart, Update-Cart, and Retrieve-Cart APIs, persisting high-volume cart data in Cassandra for scalability and low latency.

Integrated Spectrum Adapter APIs for real-time address validation during checkout.

Implemented tax calculation workflows by integrating with UTE Tax Engine, passing geoCode-based inputs for accurate tax computation.

Developed Update Shipping API to derive geoCode from address data and orchestrate downstream tax services.

Deployed and operated backend services on AWS Kubernetes, supporting CI/CD automation via Jenkins.

Tech Stack: Java, Spring Boot, REST APIs, AWS, Kubernetes, Redis, Jenkins, Cassandra

Verizon Communications – Irving, TX

Senior Backend Engineer Chatbot Platform

Nov 2024 – Oct 2025

Designed and implemented backend services supporting a large-scale customer chatbot platform.

Built Spring Boot microservices exposing REST APIs for account lookup, customer actions, and payment workflows.

Integrated backend services with Dialogflow, enabling real-time conversational data exchange.

Implemented robust exception handling, validation, and logging, improving production stability.

Analyzed backend metrics and logs using Kibana, reducing incident resolution time.

Deployed and operated backend services on Kubernetes (AWS) using Jenkins-driven CI/CD pipelines.

Tech Stack: Java, Spring Boot, REST APIs, AWS, Kubernetes, Redis, Jenkins

Verizon Communications – Irving, TX

Senior Backend Engineer eHub +Play

Oct 2021 – Nov 2024

Architected and delivered backend microservices powering Verizon’s Entertainment Hub platform.

Developed RESTful APIs to support product comparison, subscription management, and customer workflows.

Integrated backend services with Pega and GraphQL systems, handling complex orchestration logic.

Implemented billing and payment backend services processing high-volume customer transactions.

Enhanced backend observability using centralized logging, improving system reliability and SLA compliance.

Managed backend deployments and configuration updates on Kubernetes clusters.

Tech Stack: Java, Spring Boot, Microservices, REST, AWS, Kubernetes, Jenkins, Redis, Kafka

Verizon Communications – Irving, TX

Senior Backend Engineer My Verizon

Jan 2018 – May 2020

Developed and maintained core backend services for My Verizon, supporting billing, ordering, and profile management.

Designed REST and SOAP APIs using Spring Boot and JPA for enterprise-scale systems.

Implemented data access layers using JPA and Hibernate, optimizing query performance.

Led backend modernization by migrating services from PCF to Kubernetes.

Secured backend services using Spring Security and enforced code quality with SonarQube.

Tech Stack: Java, Spring Boot, REST, SOAP, Oracle, AWS, PCF, Kubernetes

Prudential – Hyderabad, India

Backend Engineer (Java)

Feb 2015 – Jul 2016

Developed and enhanced backend services integrating over 20 enterprise systems.

Implemented REST APIs and backend components deployed on WebSphere.

Fixed security vulnerabilities and improved backend stability in production environments.

Earlier Backend Experience

Clients: Posten Norden (Sweden), Renault (France), Verizon (India)

Developed and supported Java backend systems across logistics, finance, and telecom domains.

Implemented persistence layers using Hibernate and JDBC.

Resolved P1–P4 production incidents within SLA for mission-critical systems.

EDUCATION

Bachelor of Technology (B.Tech)

Nagarjuna University, India

BACKEND ENGINEERING HIGHLIGHTS

12+ years building enterprise Java backend systems

Strong API design and service orchestration experience

Proven production support and incident management

Deep experience with data access, transactions, and performance tuning

Backend modernization through cloud and container platforms

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