API Development & Integration
Design and connect API-driven systems so business tools share clean, reliable data.
Status: Available
|Looking to automate workflows or integrate APIs?
Backend Developer • API Integrations • Automation Systems
> user: jrconway
David Conway Jr.
I help businesses automate workflows, integrate APIs, and scale backend systems
Backend Systems
Build maintainable backend features for dashboards, CRM tools, and custom business software.
Automation & Workflow Tools
Replace repetitive manual tasks with dependable scripts, integrations, and automated processes.
Database Design & Optimization
Structure and optimize data models for faster queries, cleaner reporting, and easier scaling.
Trust Signals
Built Through Real Client Work
The portfolio is backed by long-term production work across CRM systems, dealer platforms, marketing tools, and integrations.
Experience
15+
Years building production systems
Delivered Work
53
Total projects and major implementations
Automation/API Focus
14
Projects centered on automation, APIs, and CRM workflows
Companies and Teams
Examples of organizations and teams I have delivered work for:
Personal ProjectAppsterSEO StrongYazamoKloutefireTrailerCentral
Portfolio
Featured Case Studies
A few representative systems and implementations that show the kind of backend, automation, and business software work I handle.
Craigslist Autoposter
Lead Developer — TrailerCentral
Built a Chrome extension to automate Craigslist inventory posting with ongoing feature and paid-posting support.
View case study →↗ Archive.org
Email & Text Marketing for CRM
Web Developer — TrailerCentral
Maintained campaign tooling with Mosaico, SES/SNS/SQS tracking, and NeverBounce checks.
View case study →↗ Archive.org
Twilio Call Tracking
Systems Engineer III — TrailerCentral
Real-time call routing and lead attribution system using Laravel, APIs, and webhooks.
View case study →↗ Archive.org