Dealer-FX

Overview

Dealer-FX is a leading automotive dealer management platform providing service scheduling, customer management, and business intelligence tools to dealerships across North America. As the preferred service technology provider for major OEMs including Toyota, GM, Stellantis, Ford, Nissan, and Honda, their platform operates as a multi-tenant SaaS solution at enterprise scale.

The Challenge

Dealer-FX needed a trusted development partner to address multiple critical initiatives simultaneously:

1. Security Compliance — Enterprise customers required comprehensive security hardening across 35+ microservices to meet compliance requirements

2. Support Scalability — 4,300+ dealer organizations needed a seamless self-service support experience with single sign-on authentication

3. Platform Evolution — Continuous feature development while maintaining 100% uptime for mission-critical dealership operations

Our Approach

Enterprise Security Hardening

• Vulnerability Remediation — Identified and resolved 200+ critical and high-severity vulnerabilities across the entire microservices ecosystem
• Framework Modernization — Upgraded .NET Core services from 2.1 to 6.0+, updated 84+ Node.js packages, and patched PHP/Symfony dependencies
• Infrastructure Hardening — Secured Docker base images (Debian 11) and patched system libraries (glibc, OpenSSL, libxml2)
• Zero-Downtime Approach — Executed all remediation without service interruption

Zendesk Help Center Integration

• JWT Single Sign-On — AWS Lambda-based authentication with automatic user provisioning
• Database Sync Engine — Bi-directional sync with 15+ custom field mappings for OEM, DMS provider, and timezone data
• Multi-Environment Routing — Intelligent routing across Prod 1, Prod 2, and Pilot environments
• Deep Linking Architecture — Seamless in-app support access via Pendo integration

Embedded Analytics Platform

• Tableau Integration — Embedded Sales Summary and Payment Summary dashboards directly in the dealer portal
• Feature-Flagged Rollout — Controlled deployment using Split.io
• Real-Time Insights — MTD/WTD filtering for actionable business intelligence

Customer Profile API

• RESTful Endpoints — Individual and bulk customer creation with standardized response formats
• Data Integrity — Input validation, duplicate detection, and correlation ID tracking
• Partner Enablement — Opened platform for third-party integrations

Results

• 200+ vulnerabilities resolved across 35+ microservices
• 100% uptime maintained during security remediation
• 4,300+ dealerships served with seamless SSO support access
• 98%+ data accuracy in Zendesk synchronization
• 5+ major integrations delivered (Zendesk, Tableau, Pendo, Split.io, customer APIs)
• 67+ completed tasks across the engagement

Technologies

.NET Core 6.0+, Node.js, PHP/Symfony, AWS Lambda, PostgreSQL, SQL Server, Docker, Zendesk API, Tableau, Pendo, Split.io, Azure DevOps

Client Testimonial

“We had the pleasure of working with Tri and his exceptional team as contractors on several key initiatives, including enhancing our data engineering capabilities, addressing critical code vulnerabilities, and successfully migrating our API from MS SQL to RDS PostgreSQL. Throughout the engagement, Tri and his team demonstrated deep technical expertise, outstanding problem-solving skills, and a collaborative approach that consistently exceeded our expectations. They delivered high-quality solutions on time and were instrumental in modernizing our infrastructure to align with evolving business needs. We highly recommend Tri and his team to anyone seeking skilled professionals for data engineering, complex system migrations, and software development.”

Arthur Wong — Director of Engineering, Dealer-FX