Carlos Zambrana
Senior Full-Stack / Product Engineer
10+ years building and fixing the software US companies run their business on. Since 2021 I have been the only engineer on a healthcare staffing platform that handles recruiting, compliance, operations, payroll and invoicing.
10+
Years Experience
50+
Projects Delivered
5 yrs
Sole Engineer
Services
What I Can Do For You
End-to-end software development and consulting for businesses that need reliable, scalable technology solutions.
Web Application Development
Full-stack applications with Laravel, Django, Node.js, React, and Vue.js. From MVPs to enterprise platforms tailored to your business.
API Design & Integration
RESTful API architecture, third-party integrations, and payment gateway implementations. Connecting systems for seamless workflows.
Cloud & DevOps
AWS infrastructure, Docker containerization, and CI/CD pipelines. Scalable deployments that grow with your business.
Technical Consulting
Architecture reviews, code audits, and technical strategy. Helping teams make the right decisions and ship with confidence.
Tech Stack
Technical Skills
Technologies and tools I use daily to deliver reliable, scalable solutions.
Backend
Frontend
Data & Delivery
Cloud & DevOps
AI-Assisted Delivery
Experience
Client Engagements
A track record of delivering impactful software for clients across industries.
MNA Healthcare
Lead Software Engineer — Pulse ERP (Healthcare Staffing)
I am the only engineer on Pulse, the ERP a US healthcare staffing agency runs on. It covers recruiting, compliance, operations and finance. I keep the current product running in production while building the v2 that will replace it, plus the migration and reconciliation tooling that comes with it.
- Only engineer on the platform since 2021, with recruiting, compliance, operations and finance running on it every day
- Node.js/Puppeteer sourcing automation that reduced manual data entry by 40%+
- Integrations with WordPress, Zoom, SMS gateways, and Microsoft Graph/Outlook
- AWS/Linux infrastructure, CI/CD, monitoring, data-integrity checks, and automated tests
NicaSource
Team Lead / Senior Software Engineer
Led a five-person team delivering software for US-based enterprise clients, including a Learning Management System with mobile products and a headless CMS platform.
- Delivered a US client's LMS and mobile products with Django, React, and React Native
- Delivered Stripe, live-chat, and support integrations while strengthening testing, Docker, and CI/CD practices
- Architected a Laravel Nova headless CMS and built AWS Lambda/SES and Slack automation
- Reviewed code and mentored developers across the team
Numu Digital
Full-Stack Developer — Web & Mobile Applications
Developed web and mobile applications for NGO and e-commerce clients with Laravel, Quasar (Vue.js), Ionic, and WordPress.
- Built a Laravel/MySQL + Quasar (Vue.js) web and mobile platform for a Swiss NGO, including donation and student-assistance workflows
- Delivered Ionic applications for client business workflows
- Developed custom WordPress/WooCommerce plugins for e-commerce platforms
Earlier Experience
Software Engineer — Central de Trabajos · Suplidora International · SINSA · Troon Manufacturing
Six years building business systems for companies in Nicaragua before moving into remote senior roles.
- Built recruiting, HR, sales, inventory, manufacturing, and reporting systems
- Administered business-critical servers and internal applications
Let's Work Together
Have a project in mind? I'm available for freelance engagements and consulting work. Let's discuss how I can help bring your ideas to life.
Download My Resume