Software and app development
The system your operation needs, built to fit you.
- Custom software
- Web applications and SaaS
- Mobile apps for iOS and Android
- APIs and microservices
- E-commerce and payments
- UX/UI design
Software, apps and artificial intelligence for companies in Colombia and abroad.
Gerotac is a development studio with over 10 years of taking ideas to production, based in Valledupar and working with clients in Colombia and abroad. What you see on the right is running today.
Live today
- Vigilantia vigilantia.io Colombian background-check platform
- PapayApp papayapp.io Receivables management for transport and logistics operators
- RecuperaTax recuperatax.com Service that handles the Law 1715 tax benefits before UPME and DIAN for owners of electric and hybrid vehicles
- GearPOS gearpos.co Point-of-sale system
- Laravel
- React
- Node.js
- TypeScript
- Python
- Flutter
- Svelte
- PostgreSQL
- AWS
- Cloudflare
- Docker
- n8n
- Claude
- OpenAI
- WhatsApp Cloud API
- Power Platform
- 10+
- years building software
- 4
- products live today
- 4
- service lines
- 2
- working languages: Spanish and English
What we do
Four service lines that cover a project from start to finish, together or separately.
AI, agents and automation
Let the system handle the repetitive work so your team can focus on what matters.
- AI agents for WhatsApp
- AI voice-call agents
- Chatbots over your documents
- Automation with n8n
- Claude, OpenAI and Gemini integration
- Document reading and validation
Low-code and processes
Fast results on the tools your company already pays for.
- Power Apps
- Power Automate
- Power BI dashboards
- Process automation (BPM)
- Implementation and migration
- Training for your team
Architecture, consulting and support
A second opinion before you invest, and someone who answers afterwards.
- Software architecture
- Infrastructure on AWS and Cloudflare
- Consulting and digital transformation
- Legacy system migration
- Support and maintenance
- Development team augmentation
Projects
Real products with real users. Open each one and see it running.
Vigilantia
Client and partner
Vigilantia
Colombian background-check platform. An individual pays for a single check through PSE without creating an account; a company integrates the checks into its processes through an API.
We built the paid check with PSE, the business portal, biometric verification and an AI WhatsApp agent that handles conversations and hands off to a human when needed.
- Laravel
- React
- PostgreSQL
- Redis
- AWS
- Conversational AI
PapayApp
Client and partner
PapayApp
Receivables management for transport and logistics operators. Each carrier checks their status through a secure link and accepts payment agreements with a verification code.
We built debt handling per manifest, payment agreements with a verification code and PDF, and WhatsApp and SMS campaigns.
- Laravel
- React
- TypeScript
- WhatsApp Cloud API
- n8n
RecuperaTax
Client
RecuperaTax
Service that handles the Law 1715 tax benefits before UPME and DIAN for owners of electric and hybrid vehicles.
We built the live calculator, document pre-validation and the follow-up of each procedure from start to finish.
- Laravel
- Svelte
- Tailwind
Ubicarte360
Ubicarte360
Dashboard for real estate agents that brings WhatsApp conversations, client follow-up and the appointment calendar together in one place.
- Laravel
- React
- TypeScript
- Real time
- WhatsApp Cloud API
- AI with RAG
GearPOS
We have also built
- Mi Asesor Jurídico
- Online legal advice platform that connects clients with legal professionals.
- Asistencia Laboral Mi Turno
- Multi-company attendance control system with clock-in and clock-out registration with location.
- Boutique Whisky
- Online store for premium whiskies with real-time notifications.
- Sonixtec
- Electronics store with management of multiple suppliers.
- Parce App
- Management of requests and interventions between companies, teachers and students.
What we build with
We choose technology based on the problem. This is what we use in the projects above.
Backend
- PHP and Laravel
- Node.js
- PostgreSQL and MySQL
- Redis and job queues
Frontend
- React
- Svelte
- TypeScript
- Tailwind CSS
AI and integrations
- Claude and OpenAI
- WhatsApp Cloud API
- Wompi and PSE
- n8n
Infrastructure
- AWS
- Cloudflare
- Docker
- Continuous deployment
How we work
We talk
You tell us the problem. We ask until we understand what your operation needs.
Proposal
You get the scope, timeline and price in writing before you commit.
Short deliveries
You see working progress often and correct course in time.
Production
We launch, support the start and continue with maintenance and improvements.
From Valledupar for Colombia and abroad
Work is remote and meetings are by video call, in Spanish or English. Neither the city nor the country is a limit.
- ValleduparOur home base
- BogotáSoftware development in Bogotá
- MedellínSoftware development in Medellín
- CaliSoftware development in Cali
- BarranquillaSoftware development in Barranquilla
- BucaramangaSoftware development in Bucaramanga
- Outside ColombiaSoftware development for international clients
Frequently asked questions
Do you work with companies outside Valledupar?
Yes. We are based in Valledupar and work remotely with companies from any city in Colombia and from other countries, in Spanish or English.
Can you integrate artificial intelligence into a system I already have?
Yes. We review your current system and connect AI where it saves work, without rebuilding what already works.
Tell us about your project
Three questions and we'll message you on WhatsApp.
I would rather write on WhatsApp now