Ivan Ruiz
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Portfolio

A collection of enterprise projects, SaaS platforms, and technical migrations I've led.

All.NET Core.NET Core 7.0AI/RAGAndroidAzureC# MVCDockerEnterpriseKubernetesMicroservicesMongoDBNext.js 15Node.jsPostgreSQLPrismaProfilingRabbitMQReactReact NativeRedisReduxSQL ServerSalesiOS
Multi-tenant Logistics SaaS Platform
Full-Stack
Multi-tenant Logistics SaaS Platform
Enterprise-grade TMS with subdomain-based routing, RBAC, and AI-driven automation.
Next.js 15PrismaPostgreSQLRedis+3 more
SaaS Performance Optimization (35% faster)
Web
SaaS Performance Optimization (35% faster)
Critical performance tuning of a core SaaS platform at Nology Solutions.
.NET CoreSQL ServerReactProfiling
React Native + .NET Core Migration
Mobile
React Native + .NET Core Migration
Migrating legacy mobile apps to a modern cross-platform codebase.
React Native.NET Core 7.0iOSAndroid
ETB Self-Service Platform
Full-Stack
ETB Self-Service Platform
High-traffic platform supporting 10,000+ concurrent users for a major telecom.
React NativeReactNode.jsMongoDB+1 more
Microservices on Kubernetes Integration
Backend
Microservices on Kubernetes Integration
Scalable backend integration layer on Azure Kubernetes Service.
KubernetesAzureNode.jsMicroservices+1 more
ETB CRM Modernization
Full-Stack
ETB CRM Modernization
Enterprise CRM transformation with C# MVC and MongoDB.
C# MVCMongoDBEnterpriseSales

Ivan Ruiz

Senior Full-Stack Engineer specializing in scalable SaaS, high-performance web systems, and cloud architecture.

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Mississauga, ON, Canada

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