Ruben Tolaba RTolaba

Hi, I'm Ruben Tolaba 👋

Mobile Developer | React Native | Full Stack Developer

I'm a Software Developer from Jujuy, Argentina, with 4+ years of professional experience building and maintaining software products, with a primary focus on mobile development with React Native and additional experience across Frontend and Backend development.

My professional experience has been mainly focused on digital banking platforms, working on products that provide Mobile, Web, Backend and Backoffice solutions for financial institutions. I've contributed to multiple banking projects, implementing client-specific requirements, integrating APIs and SDKs, troubleshooting production issues, and developing features across different layers of the platform.

💻 What I Work With

Mobile

React Native
TypeScript
React Navigation
MobX
React Native CLI
Android & iOS
Native Modules
Firebase / FCM
Push Notifications
Quick Actions

Frontend

React
Angular
TypeScript
JavaScript
HTML / CSS

Backend

C#
.NET 6 / ASP.NET Core
Web APIs
REST APIs
JWT Authentication
Dapper
SQL Server
Stored Procedures
Service integrations

Architecture & Development

Layered Architecture
API integration
Authentication & Authorization
Debugging & Troubleshooting
Performance optimization
CI/CD
Git
Azure DevOps

AI-Assisted Development

I've been incorporating AI-assisted development tools into my daily workflow, using Cursor and Claude for tasks such as code generation, refactoring, debugging, technical analysis and development support.

🏦 Digital Banking Experience

My main professional experience comes from working on a multi-channel digital banking platform that is customized and delivered to different banking institutions.

I've worked across:

Mobile applications
Frontend applications
Backend services
Backoffice solutions
Banking API integrations
Authentication and security
Production issue resolution
Client-specific feature development

Some of the technical challenges and features I've worked on include:

Geolocation using GeoLite2
Contract generation and acceptance flows
MHT to PDF conversion
PDF to PNG conversion for mobile applications
Contract templates and document processing
Email delivery with attachments
Push notifications
Fingerprint and other SDK integrations
Application migration flows
Password hashing and authentication
API performance improvements
Race condition and concurrent API call issues
Production fixes and hotfixes

🚀 Current Personal Project

I'm currently developing an internal management and sales application using:

Tauri + React + .NET + SQL Server

The MVP is focused on local operation and includes:

User management
Authentication
Inventory and stock control
Sales
History and records

The application uses JWT authentication, Argon2id password hashing and layered architecture, with a future roadmap for intranet-based communication and multi-branch connectivity.

🎯 Currently Learning & Improving

I'm currently strengthening my knowledge in:

Modern React
React Native
.NET
Software architecture
AWS
Microservices
Modern development workflows with AI-assisted tools

📫 Contact

Email: rubentolaba@hotmail.com
LinkedIn: https://www.linkedin.com/in/rubentolaba/
GitHub: RTolaba

Building software, solving problems, learning continuously.

Navigation Menu