Jarrod Chung

Built healthcare compliance integrations for EVV (Electronic Visit Verification) systems across Florida, Pennsylvania, and Arizona. Key projects include a missed visits integration automating Medicaid compliance reporting and a caregiver tracking system for AHCCCS regulatory compliance.

• Automated Florida and Pennsylvania Medicaid missed visit reporting by building EVV integration end-to-end across 7 repositories (PHP, C#/.NET, Terraform, MySQL), eliminating 300+ hours/week of manual HHAeXchange entry across 60+ cost centers
• Designed 4-stage async pipeline (DB triggers to SNS to SQS FIFO to CellTrak API) with 2 independent LaunchDarkly feature flags enabling payer-level and cost-center-level controlled rollout
• Delivered Arizona AHCCCS compliance feature ahead of October 2025 regulatory deadline, building full-stack caregiver tracking system (C#/.NET, MySQL) and introducing unit testing practices (xUnit, Moq, FluentAssertions) adopted as team standard
• Architected data transformation pipeline for post-acquisition EMR integration mapping 27 source columns across 42 payers with transaction-wrapped SQL generation, validation queries, and rollback scripts

Built the ops tooling backbone for a usage-based billing platform processing billions of meter events daily. Shipped a diagnostic validation system and a Next.js dashboard that let support teams self-serve instead of escalating to engineering.

• Built diagnostic validation system with 20+ query tools for a cloud metering platform processing billions of events daily, ensuring billing accuracy for enterprise customers
• Eliminated $50K+ in monthly credit losses by building an AWS Marketplace billing integration to process 10M+ daily events with zero duplicate billing incidents
• Reduced manual debugging by 75% by building a Next.js dashboard that enabled users to self-diagnose pipeline errors, view automated validation results, and re-trigger processing stages
• Created reusable React component library and Java service patterns adopted across engineering org, standardizing frontend and backend development for cross-service integrations

Built and maintained listing syndication pipelines distributing and ingesting property data to and from 40+ partner sites including Zillow, Trulia, and Rentlinx.

• Architected listing syndication pipeline distributing rental data to 40+ partner sites, improving data accuracy and lead quality through automated validation and deduplication
• Reduced manual data processing by 80% by building Scrapy-based ingestion framework with streaming parsing, gzip compression, and scheduler orchestration
• Halved scheduling response times by developing tour scheduling API integrating partner availability calendars with listing pages, reducing friction in the rental tour booking flow

Full-stack engineer focused on enterprise integrations for a change management platform. Built ServiceNow and Ansible Tower integrations serving Fortune 500 clients, and helped establish the React/TypeScript component library during the frontend migration from AngularJS.

• Built enterprise-grade ServiceNow integration for multinational investment bank with bidirectional CI sync, reducing manual change errors by 40% across 20+ teams
• Drove customer-facing application migration from AngularJS to React/TypeScript, establishing foundational component library used across subsequent feature development
• Reduced infrastructure change lead time from hours to minutes by building Ansible Tower integration with OAuth2 authentication serving 500+ enterprise users

Full-stack development for client projects using React, Python/Flask, and Node.js.

• Built full-stack fundraising platform end-to-end as sole engineer (React/Redux, Express, AWS), owning everything from UI/UX design in Figma through production deployment
• Designed microservice architecture (auth, payments, campaigns) with separate prod/staging environments, handling payment processing integration and Route53 DNS management