Summary
Overview
Work History
Education
Skills
Timeline
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AALEKHYA MARELLA

Kirkland,WA

Summary

Highly motivated and experienced Java Software Engineer with around 7 years of experience designing and developing enterprise web applications. Possesses a strong understanding of web technologies, software development methodologies, and object-oriented programming principles. Skilled in collaborating effectively with cross-functional teams to deliver high-quality solutions that meet business needs.

Overview

8
8
years of professional experience

Work History

Sr. Software Engineer

Walmart
06.2024 - Current
  • ndependently launched and scaled a Survey Management System supporting enterprise-wide PULSE and JOURNEY survey campaigns across 4 applications (me@Campus, me@Sams, Campus Desktop, myWalmart), serving 2.3M+ associates across US, Mexico, and Central America with 99.99% uptime and sub-1 second API response latency.
  • Architected Spring Boot 3.3 microservices REST APIs with multi-region Azure Cosmos DB (3-region replication), implementing JWT OAuth authentication, HMAC validation, and dynamic multi-component survey rendering supporting 10+ languages with real-time switching and intelligent auto-resume.
  • Designed and implemented 3 core RESTful endpoints (/survey/active, /survey/{id}/block, /survey/{id}/feedback) with comprehensive API contract documentation, enabling seamless integration between Survey Management and Associate Listening teams and multiple cross-functional stakeholders.
  • Established a robust testing and quality assurance framework achieving >80% unit test coverage across 16 test suites, implemented Java-based end-to-end integration tests with TestBurst, and configured automated CI/CD pipelines with Stage Gates V2 compliance for dev, stage, and production deployments.
  • Led security remediation and DevOps initiatives by resolving critical vulnerabilities (CVE-2024-38821, CVE-2025-22228) through dependency upgrades, implementing Snyk security scanning, and establishing centralized secrets management using Walmart CCM for OAuth tokens and database credentials across environments.
  • Built a proof-of-concept to automate manual ServiceNow ticket workflows by orchestrating integrations with multiple Walmart APIs (e.g., new hire date correction, replacement discount card requests, and additional member additions), demonstrating an end-to-end, self-service workflow pattern to reduce manual effort and ticket handling time.

Full Stack Java Software Engineer

UPS
02.2019 - Current
  • Engineered high-performance tracking system for by implementing real-time data processing and integrating advanced analytics tools; decreased tracking errors by 25% and improved package visibility by 30%
  • Designed and implemented UI screens for tracking up to 25 tracking numbers simultaneously
  • Leveraged Angular 11, HTML5, and CSS3 to deliver user-friendly and interactive experience
  • Implemented microservices architecture with RESTful endpoints using Spring Boot, enhancing scalability and maintainability of system while optimizing workflows; reduced response time by 25% and increased concurrent user capacity by 50%
  • Enhanced security with Spring OAuth2 and centralized administration of logs, health checks, and status using Spring Boot Admin
  • Migrated from Java 1.8 to Java 11
  • Optimized performance for handling around 1 billion tracking events daily
  • Implemented design patterns like Singleton, Factory, Facade, and DAO for cleaner and more maintainable code
  • Deployed application on AWS infrastructure, utilizing EC2 instances, S3 for storage, CloudFront for CDN, CodePipeline for continuous integration, CodeDeploy for automated deployments, and Elasticsearch for efficient data retrieval
  • Ensured code quality through unit testing with JUnit, logging with Log4j, and code analysis with SonarQube
  • Introduced Test-Driven Development (TDD) using Cucumber for enhanced test coverage and code quality
  • Regularly reviewed code with peer developers and managed projects and continued improvement and knowledge sharing and troubleshooting issues
  • Key Achievements: Improved tracking system performance to handle 1 billion tracks per day
  • Enhanced security and centralized administration of application
  • Optimized code quality and maintainability through design patterns and TDD
  • Gained expertise in modern technologies like Spring Boot, Angular 11 & 16, and AWS.

Full Stack Java Software Engineer

Saks.com LLC
09.2022 - 01.2023
  • Developed and optimized high-performance REST API using Spring Boot and AWS technologies, resulting in 50% reduction in response time for client requests
  • Developed and implemented serverless architecture using AWS Lambda, resulting in 50% reduction in server costs and improved scalability for handling high volumes of concurrent requests
  • Utilized AWS Lambda for serverless execution, S3 for data storage, CloudFront for content delivery, and Dynamo DB as NoSQL database
  • Contributed to setting up and managing EC2 instances for infrastructure needs
  • Automated CI/CD pipelines and infrastructure as code (IaC) using Terraform
  • Employed JUnit5 for comprehensive unit testing
  • Designed component diagrams, UML sequence diagrams, flowchart diagrams
  • Collaborated effectively within agile team of five software developers to deliver solution exceeding $1 million in potential profit for company
  • Partnered with key stakeholders on critical customer-facing features and troubleshooting bugs and issues
  • Collaborated closely with Senior Engineering Managers and Product Managers to understand customer needs and manage projects and translate them into actionable product features.

Full Stack Java Software Engineer

CVS Health
08.2017 - 02.2019
  • Technical Expertise: Java 8: Proficient in Lambda expressions, Stream API, Time API, and for each loops
  • Spring Framework: Extensive experience with Spring Boot, IoC, MVC, and AOP
  • Utilized these frameworks to develop microservices for application used by over 10,000 stores
  • Security: Enforced JWT authentication for secure user access
  • Database: Experienced with Hibernate for persistence layer management
  • PL/SQL: Developed Oracle-stored procedures, functions, and triggers
  • Deployment: Deployed applications on Tomcat servers in Linux environments
  • Build Automation: Created build scripts using Maven
  • Front-End Development: Created UI screens using JSP, JavaScript, and HTML5 for 2 web applications
  • Troubleshooting: Debugged and resolved code-related issues and defects to ensure application functionality and defect-free operation
  • Agile Leadership: Spearheaded agile ceremonies like sprint planning, daily standups, scrum calls, and retrospectives for 20-member team
  • Ensured user stories were 100% documented, prioritized, and ready for development
  • Key Achievements: Developed and deployed microservices for application used by over 10,000 stores
  • Executed JWT authentication for secure user access.

Education

Master of Science - Computer Science

University of Houston-Clear Lake
Houston, TX

Bachelor of Science - Computer Science

Jawaharlal Nehru Technological University
Hyderabad, India

Skills

  • Programming languages & Libraries: Java 8 & 11, JavaScript(ES 5 & 6), HTML5, CSS3, Angular 11 & 16, Python, C, Linux Shell scripting
  • Databases & Cache: PostgreSQL, MySQL, MongoDB, Oracle 11g, Redis Cache & Ehcache
  • Distributed Services & Cloud Adaption: Messaging Queue, PCF (Pivotal Cloud Foundry(GAP/GKP), kubernetes, AWS Cloud Services(EC2, RDS), Micro-services & Cloud Architecture using Spring Cloud, Amazon Web Services (AWS), Docker
  • Frameworks: Spring framework – Spring Core, Spring Web, Spring Data, Spring Boot CLI, Spring Messaging, Spring Scheduling
  • ORM Frameworks: Hibernate, Spring Data JPA, Mybatis
  • Testing frameworks: Junit, Mockito, Cucumber, and Selenium(Unit, functional and Automation Testing)
  • Messaging & others: Kafka, RabbitMQ, GCP, Splunk, High charts, Terraform, GraphQL, RESTful API, Multithreading, Agile Methodology, Scrum, JSON, SOAP, JIRA, Jenkins, GIT, SVN, IntelliJ Idea, Eclipse IDE with STS, Redux, Orchestration, Apache Spark, Apache Hadoop, Web Logic, Confluence, AJAX, Maven, Gradle, JMeter, Swagger, , Sonar Nexus IQ, SonarQube, JWT OAuth

Timeline

Sr. Software Engineer

Walmart
06.2024 - Current

Full Stack Java Software Engineer

Saks.com LLC
09.2022 - 01.2023

Full Stack Java Software Engineer

UPS
02.2019 - Current

Full Stack Java Software Engineer

CVS Health
08.2017 - 02.2019

Bachelor of Science - Computer Science

Jawaharlal Nehru Technological University

Master of Science - Computer Science

University of Houston-Clear Lake

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AALEKHYA MARELLA