Senior Software Engineer

Maintain and enhance Spring Boot 2.4.x web applications and asynchronous workers on the Benefitsolver benefits administration platform, supporting multi-tenant enterprise HR and benefits workflows. Engineered an internal validation service to pre-validate IRS transmission files against business and schema rules before submission, significantly reducing downstream rejection risk and ‘accepted with errors’ responses. Leveraged AI-assisted development tools (Codex, ChatGPT) to accelerate feature development, reduce boilerplate, and improve code quality across event-driven RabbitMQ workflows and multi-tenant benefits processing services. Delivered incremental enhancements and fixes across queue processors, business rule processing pipelines, and Liquibase-backed schema change workflows.

Joined the Scrum team maintaining Datanet, a core proprietary pharmacy benefits system built on Java 11, Spring Microservices, MySQL 8, JPA, JDBC, and Hibernate 5, processing eligibility and claims data for enterprise clients. Implemented REST endpoint functionality for billing and data management workflows; instrumented API observability and tracing with DataDog APM. Developed and optimized JPA/JDBC queries for eligibility file processing and invoice generation, supporting RxBenefits’ Member and Client Services teams. Authored unit and integration tests using Mockito and JUnit 5 across core microservice boundaries.

Built and enhanced a unified Sales API platform to generate multi-product auto, home, and bundled insurance policies across channels, using Java 11, Spring Microservices, MySQL, Maven, and Redis. Developed REST endpoint enhancements for insurance policy application workflows, resulting in a 20% increase in application processing efficiency. Maintained Redis cache layer to improve database query performance; executed monthly state-level rollout updates to reflect state-by-state coverage rule changes. Instrumented API tracing and observability with DataDog; conducted comprehensive unit and integration testing using Mockito and TDD methodology.

Provided production support and maintenance for MerchantE’s payment processing infrastructure using Java 8, Maven, Oracle, and JSP. Optimized JSP rendering performance, contributing to a 10% improvement in system responsiveness for customer-facing interfaces. Drove automation improvements across platform tooling, reducing manual effort on routine maintenance operations.

Designed and implemented a network tokenization solution for merchant payment processing and CRM identification, handling transactions across MasterCard, Visa, American Express, and Discover. Integrated Spring Integration for custom workflow operations and developed Spring Boot microservices to interface with major card network processors for token generation and lifecycle management, improving processing efficiency by 30%. Achieved a 20% reduction in production bugs through comprehensive Mockito/JUnit unit and integration testing of cross-microservice interactions.

Joined a small early-stage team to design and build a greenfield flight crew scheduling simulator platform from scratch using Python, Docker, PostgreSQL, and Kubernetes. Modeled complex crew arrangements and flight scenarios contributing to a 20% reduction in simulated flight delays and 15% improvement in on-time departure projections. Containerized and deployed the platform with Docker Compose and Kubernetes, enabling scalable, reproducible execution of aviation simulation scenarios with a 20% gain in system throughput.

Led a 5-person team to deploy a custom Android OS build onto 400+ seat-back entertainment monitors for Delta’s Wireless In-Flight Entertainment (W-IFE) System — a $1.1M integration effort spanning aircraft network architecture, entertainment core software, and retrofit certification. Developed a media content replication system in Python using Django and Tornado to duplicate content libraries from master cartridges to clone cartridges across Delta’s fleet. Built Python/Selenium/Appium-based test automation for the W-IFE system, reducing manual testing time by 30%. Oversaw engineering across aircraft network systems, seat-back interactivity software, and line/retrofit installation and certification workflows.

Designed and implemented TCL/Expect device drivers for SNMP-based network management of ground-based satellite communication systems, increasing operational efficiency by 30%. Developed web services for the MaxView Command and Control system, enabling centralized management of hybrid satellite networks.

Contributed to the Healthy Returns System (HRS) — a health insurance information management platform for military families — using Spring 4, Struts2, Hibernate, ExtJS, and SQL Server 2012. Developed Struts2/ExtJS web interfaces enabling consumers to view active and completed care plans; performed ongoing bug fixes and maintenance.

Developed RESTful web services in Node.js/Express.js for the contract management platform, improving response time for client requests by 20%. Increased code coverage by 30% through PHPUnit test suite development; performed bug fixes and maintenance.

Designed and developed an Android GPS application that automatically activated distraction-blocking mode when a vehicle exceeded a speed threshold, achieving a 65% reduction in texting-while-driving incidents. Implemented Android Location Service API for real-time speed tracking; architected a state-machine monitor service using the State pattern to manage application transitions. Built an SMS capture module using Android Services and Broadcast Receivers to intercept messages during the Active state; engineered a buffer system to queue messages by phone number during Passive state.

Contributed to the MarketShare Rewards system using Spring Framework, JAX-RS RESTful services, and MongoDB, supporting a digital catalog platform that ingested product feeds from major retail partners including Walmart and Overstock.com.

AN/TPQ-53 Counterfire Radar & OneSAF Radar Training System (U.S. Army): provided development and maintenance support using Java 1.6, Ada 95, and GCC on Windows 7 and Red Hat Enterprise Linux. Wildcat Maintenance Management System — Directorate of Logistics (U.S. Army): implemented maintenance management updates using Borland Delphi 5 and Sybase SQL Anywhere 11. Material Capability Decision Support System (USMC Logistics Base): built and optimized J2EE/Spring/Hibernate/Oracle systems; successfully migrated core module from C++ to Java, delivering a 30% increase in system performance.