Ivan Ruiz

Experience

A snapshot of my professional journey and the impact I've made across different industries.

Core Competencies

Full-Stack Delivery

Performance Tuning

Scalable APIs

Cloud Readiness

Multi-tenant Design

Team Leadership

Software Developer

Apr 2022 – Present
Nology Solutions
Mississauga, Canada
  • Orchestrated the migration of legacy mobile enterprise apps to React Native and .NET Core 7.0, achieving seamless delivery on Android and iOS.
  • Engineered performance critical updates for core SaaS platforms, resulting in a measurable 35% increase in system responsiveness.
  • Maintained and modularized complex ASP.NET MVC and SQL Server applications with a focus on troubleshooting and feature expansion.
  • Modernized development lifecycles by implementing source control and task management via Azure DevOps, significantly reducing delivery times.

Impact Callout

Boosted system performance by 35% and modernized mobile delivery to multi-platform React Native.

Senior Software Engineer

Nov 2013 – Nov 2021
ETB
Bogotá, Colombia
  • Led the redesign of the flagship self-service platform (web + mobile), scaling to 10,000+ concurrent users with Node.js and MongoDB.
  • Architected and delivered the ETB CRM using C# MVC and MongoDB over a 2-year lifecycle, reducing staff training time and increasing sales by 30%.
  • Deployed high-availability microservices on Kubernetes (Azure), integrating cloud storage (Azure Blob) and cross-service authentication.
  • Championed the shift to modern DevOps practices and documentation, improving team effectiveness by 50%.

Impact Callout

Delivered a high-scale CRM and self-service ecosystem serving thousands of users with 30% sales lift.

Technical Leader

Feb 2009 – Oct 2013
Indra Colombia
Bogotá, Colombia
  • Steered the development team for Telefonica, reducing time-to-market and development costs by 35% through efficient resource management.
  • Managed and maintained a portfolio of 80+ production applications using .NET, Java, and complex Unix-based background processes.
  • Established a dedicated QA division and mentorship program, drastically reducing defect rates and testing cycles.

Impact Callout

Reduced TCO and time-to-market by 35% while managing 80+ production applications.

Education

Foundations in engineering and management.

Specialization in Project Management

Universidad EAN

2016

Focused on software delivery lifecycles, resource optimization, and strategic alignment.

BSc Systems Engineering

Universidad Central

2013

Core computer science foundations, algorithms, data structures, and software architecture.