Julio Gonzalez
Senior Backend Engineer · Node.js/TypeScript · Conversational commerce & AI agents
10+ years · US Central Time · English C1
Work
2021–2026
Yalo, Inc. · Senior Backend Engineer
Yalo is an AI Conversational Commerce platform that operates in 10+ countries in North and South America. Enables customer acquisition through WhatsApp bots, Facebook Messenger, and others.
- Led key backend integrations for our largest clients with Node.js and TypeScript resulting in a 4x increase in customer satisfaction within a two-year period.
- 1 month → 1 week
- API development time per client
- 200k
- active users on event-driven APIs
- −30%
- post-release bug reports
- 4x
- customer satisfaction in two years
2014–2019
PideloRapido · Lead Software Engineer
PideloRapido was a large-scale online shopping platform and hybrid app fully integrated with eBay and Amazon to facilitate product delivery to Latin American and Caribbean countries.
- Assigned to eBay's New York City office to lead the integration of PideloRapido's platform with their APIs, achieving a fully integrated process in less than 6 months leading to a 120% increase in our customer base.
- < 6 months
- to full eBay integration
- +120%
- customer base
- 160M
- products served by custom REST APIs
- −70%
- deployment errors
- −90%
- loading times
2019–2021
Independent Software Engineer · Full-Stack Developer
My portfolio of clients included ERP system companies, MedTech apps, sustainability, and Single Page Applications (SPAs).
- A web application for route management, presence tracking, and time management per visit for a CRM, using React and NestJS as the backend.
- +70%
- ERP data transfer efficiency
Now building
WhatsApp ordering agent
Building in public · discoveryProblem: Small businesses take orders by hand over WhatsApp, which is slow and error-prone.
Approach: An AI agent that takes orders in chat and hands them off to the business.
Skills
Backend
Frontend
Data & Messaging
Cloud & DevOps
Contact
Available for contract work · US Central Time. The fastest way to reach me is email or LinkedIn.