Backend Developer · Colombia · Open to remote

Felipe
Betancur

PHP / Laravel · API Integrations · AI Automation

3+ years building high-demand systems. Specialist in multi-provider integrations for B2B travel platforms, regulatory compliance systems, and AI-powered automation tools in production.

28+
Certified APIs
50K
Searches / day
85%
Latency reduction
1M+
Hotels mapped
View projects → Get in touch
Selected work

Projects that
ship at scale

02
Hotel Intelligence Score (HIS)
AI-powered hotel reputation system. Automated scraping of Booking, TripAdvisor, and Expedia via Apify. OpenAI API sentiment analysis on guest reviews generates a 0–100 score per hotel with real-time destination comparison.
3 sourcesaggregated
0–100reputation score
Laravel Apify OpenAI API NLP
03
Subscription Platform — Compliance & Billing
8+ web platforms with biometric age verification (VerifyMe API — facial recognition + OCR), geo-blocking for 5 EU countries + 23 US states, and full billing integration with recurring subscriptions, upsells, and webhooks.
100%compliance
8+live sites
PHP NATS CRM ElevatedX CCBill SegPay Epoch GeoIP
04
DIAN Electronic Invoicing ERP
Multi-company ERP for Colombian tax authority compliance. Automated XML/PDF generation for 500+ invoices/day. Includes multi-warehouse Kardex, WooCommerce/Shopify sync, and SQL optimizations that brought reports from 12s → 2s.
500+invoices/day
12s → 2sreport time
Laravel 10 PostgreSQL Node.js Livewire WooCommerce API
05
Municipal Utility Billing System
Multi-tenant billing platform for 3 Colombian municipalities. Generates 50K+ receipts/month. Automated a manual 3-day process to under 2 hours. Bulk PDF generation: 1,000 documents in under 5 minutes.
50K+receipts/month
3 days → 2hautomation
Laravel 10 Livewire 3 Tailwind DomPDF PostgreSQL
Career

Where I've
built things

Jan 2024 — Present
Full-time
Backend Developer
Moebius FusionPax
  • Integrated and certified 28+ international providers across 7 travel verticals
  • Scaled platform from 5K to 50K searches/day — latency reduced 85%
  • Hotel Mapping Tool: unified 1M+ hotels, duplicate rate 30% → 5%
  • Multi-level Redis cache reducing API calls by 70%
  • Hotel Intelligence Score: AI reputation scoring via Apify + OpenAI
Laravel 10 · PostgreSQL · Redis · Horizon · Docker · AWS · PHPUnit · Apify · OpenAI API
Jul 2024 — Present
Full-time
Backend Developer
Wontmedia
  • Biometric age verification (VerifyMe API) — 100% regulatory compliance
  • Geo-blocking for 5 EU countries + 23 US states with conditional content
  • 8+ sites with full billing integrations: subscriptions, upsells, webhooks
  • NATS CRM and ElevatedX CMS management across multiple properties
PHP · NATS · ElevatedX · VerifyMe API · GeoIP · CCBill/SegPay/Epoch/NetBilling · MySQL
Jul 2023 — Jul 2024
Full-time
Backend Developer
RmSolutions
  • DIAN ERP: 500+ invoices/day, multi-company, automated XML/PDF generation
  • SQL optimization: reports 12s → 2s; legacy refactor with SOLID (60% fewer bugs)
Laravel 9-10 · Node.js · MySQL · PostgreSQL · Redis · Docker · Livewire
Jan 2025 — Dec 2025
Freelance
Fullstack Developer
Freelance — Municipal Billing
  • Multi-tenant billing for 3 municipalities, 50K receipts/month
  • Process automation: 3 days → 2 hours (96% reduction)
Laravel 10 · Livewire 3 · Tailwind · PostgreSQL · DomPDF
Capabilities

Tech stack

AI & Automation
Claude API (Anthropic)
OpenAI API
Apify (web scraping)
Grok / Cursor
Prompt engineering
Sentiment analysis / NLP
LLM integration (production)
Backend
PHP — Laravel 8–11
Symfony 6
Node.js — Express, NestJS
SOLID · DDD · TDD
Adapter / Repository / Strategy
Integrations
REST · SOAP · XML/JSON · Webhooks
GDS: Amadeus, Sabre
HotelBeds, TravelGate, 20+ travel APIs
CCBill, SegPay, Epoch, Stripe
VerifyMe · GeoIP
Data
PostgreSQL · MySQL
Redis (multi-level cache)
ETL pipelines (10M+ records)
Query optimization
Deduplication (Levenshtein/Haversine)
DevOps
Docker
AWS S3 / CloudFront
GitHub Actions (CI/CD)
Git Gitflow
PHPUnit · Cypress
Frontend
Vue 3
Livewire 3
Tailwind CSS
Alpine.js

Let's build
something

Available for remote opportunities

Open to backend, integration, or AI automation roles. Strong written English for async remote teams. Based in Colombia — working across LATAM and international time zones.