Backend, cloud, and full-stack engineer based in Mexico
Available for new projects
I build secure, scalable products for enterprise, cloud, and AI-ready teams.
I help teams modernize legacy systems, improve architecture, and ship reliable product features across .NET, Angular, Node.js, Azure, and AWS.
I turn complex business requirements into reliable software systems that teams can scale, maintain, and trust.
Engineer, consultant,
and technical partner
I work best where business needs, product goals, and engineering complexity meet. My focus is helping teams ship maintainable systems, modernize legacy software, strengthen authentication and cloud architecture, and deliver features that create measurable operational value.
How I can help
teams move faster
Product Delivery
Ship new features, internal tools, and production-ready web applications with senior full-stack execution across .NET, Angular, and Node.js.
Cloud & APIs
Modernize legacy systems, improve architecture, and streamline deployment workflows across Azure, AWS, CI/CD, and backend integrations.
Security
Design and implement secure authentication journeys with Auth0, SSO, MFA, RBAC, and backend services that reduce friction without compromising security.
Data & Reporting
Improve decision-making with reporting pipelines, SQL optimization, ETL, dashboards, and backend services that shorten time-to-insight.
Featured
projects
Enterprise platforms, identity systems, and cloud-native solutions — built for scale, security, and real business impact.
CONTPAQi Marketplace
Production ecommerce for one of Mexico's leading business software companies. A digital marketplace where businesses discover, compare, and buy CONTPAQi software products.
WIINIK Social Events Platform
A social events platform for discovering experiences, creating events, managing groups, and connecting organizers with attendees in one place.
One WEX Identity SSO
A shared identity layer that gives WEX customers one secure way to access multiple products with SSO, MFA, onboarding, and account migration support.
RSI Government Premier
An integrated tax and revenue platform for government agencies, combining revenue workflows, analytics, taxpayer services, and operational reporting.
Experience, tools,
and business impact
My education
2014-2018
Computer Systems Engineering
Universidad Autónoma del Carmen2014
English Language and Culture
Illinois State UniversityWork experience
2025 - Present
Senior Software Engineer
Improving checkout stability and marketplace performance through NopCommerce features, payment and catalog integrations, ASP.NET Core plugins, and SQL Server optimization.
2025 - 2026
Fullstack Developer
Reduced fighter application processing time by 80% by building document intake, event-city catalogs, RBAC permissions, review workflows, and pay-per-view streaming workflows for Clandestino Plus.
2025
Fullstack Developer
Cut account creation and event setup input time by 40% by shipping Angular, Node.js, and Firebase improvements across onboarding, permissions, event management, advertising, and profile flows.
2023 - 2024
Designed and rolled out Auth0-based SSO, MFA, and identity backend services across 15+ WEX products, reducing development costs by $3,200 per month per product and migrating 100% of accounts without disruption.
2023
Engineering Lead
Delivered Azure SaaS reporting capabilities for government revenue processing, embedding Power BI and building a DDD/CQRS .NET microservice with Azure SQL and Cosmos DB.
2018 - 2022
Tech Lead & App Developer
Built REST APIs unifying 5 corporate systems, led 10+ financial proposal and procurement workflows, improved reporting with BI dashboards, and migrated legacy workloads to Azure with CI/CD.
2017 – 2018
Fullstack Developer
Built BRAAVO, a financial product sales platform that streamlined internal sales and operations workflows.
2015 – 2016
Fullstack Developer
Developed a responsive treasury platform centralizing member loans, payroll workflows, and financial records for STPRM Sección 47.
My favourite tools
Languages
C#
TypeScript
PHP
Java
Frameworks
.NET
Laravel
Angular
Node.js
Cloud & DevOps
Azure
AWS
Google Cloud
DigitalOcean
Databases
SQL Server
PostgreSQL
MongoDB
Redis
Analytics & Identity
Power BI
Auth0
Grafana
Elasticsearch
What teams say
Leonardo played a key role in implementing One Identity with Auth0, enhancing security, reducing costs, and improving user experience. A proactive team player, he ensured a smooth rollout and widespread adoption. Any team would be lucky to have him!
Leonardo is a top-performing Software Engineer. He's a dedicated team player, always willing to go the extra mile, and he's impressively quick at picking up new technologies. He's a real asset to the team.
Let’s talk about your team, role, or project
Recruiter looking for senior engineering fit? Client looking for delivery, modernization, or architecture support? Send a message or schedule a call — I usually reply within 1 business day.
Done!
Thanks for your message. I'll get back as soon as possible.