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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.
About me

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.

Services

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.

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Cloud & APIs

Modernize legacy systems, improve architecture, and streamline deployment workflows across Azure, AWS, CI/CD, and backend integrations.

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Security

Design and implement secure authentication journeys with Auth0, SSO, MFA, RBAC, and backend services that reduce friction without compromising security.

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Data & Reporting

Improve decision-making with reporting pipelines, SQL optimization, ETL, dashboards, and backend services that shorten time-to-insight.

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Portfolio

Featured
projects

Enterprise platforms, identity systems, and cloud-native solutions — built for scale, security, and real business impact.

Resume

My education

2014-2018

Computer Systems Engineering

Universidad Autónoma del Carmen

2014

English Language and Culture

Illinois State University

Work experience

2025 - Present

Senior Developer

CONTPAQi

Owning NopCommerce customizations in ASP.NET Core and SQL Server. Lead on checkout, catalog, and storefront performance work.

2025

Fullstack Developer

WIINIK

Shipped Angular, Node.js, and Firebase improvements across onboarding, permissions, and event management. Owned the flows that reduced input time by 40%.

2023 - 2024

Backend Engineer

Kunai - WEX

Designed and rolled out Auth0-based SSO, MFA, and identity backend services across 15+ WEX products. Led cross-team migration with zero user disruption.

2023

Engineering Lead

Persistent Systems - RSI

Led Azure-based SaaS delivery for government tax and revenue processing. Owned Power BI integration and domain-driven .NET service design.

2018 - 2022

Tech Lead & App Developer

Cotemar

Built REST APIs unifying 5 corporate systems, led 10+ internal workflows, and supported Azure migration plus CI/CD adoption.

My favourite tools

Languages

C# logo

C#

TypeScript logo

TypeScript

PHP logo

PHP

Java logo

Java

Frameworks

.NET logo

.NET

Laravel logo

Laravel

Angular logo

Angular

Node.js logo

Node.js

Cloud & DevOps

Azure logo

Azure

AWS logo

AWS

Google Cloud logo

Google Cloud

DigitalOcean logo

DigitalOcean

Databases

SQL Server logo

SQL Server

PostgreSQL logo

PostgreSQL

MongoDB logo

MongoDB

Redis logo

Redis

Analytics & Identity

Power BI logo

Power BI

Auth0 logo

Auth0

Grafana logo

Grafana

Elasticsearch logo

Elasticsearch

What teams say

Review Author

Omeid Eshraghi

Director of Product at Kunai

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!

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Review Author

Debo Ajagbe

Software Engineering Leader at Kunai

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.

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Contact

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.

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