Open to opportunities

Eduardo Duarte

Senior Backend Engineer

Technical Lead · System Architect

I design and build distributed backend systems that handle millions of daily operations. Currently leading the Software Development Department at SSPC, where I architect solutions for government digital transformation.

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LinkedIn · GitHub · duartedc17@gmail.com

Based in

Lerma, Mexico

Track Record

Impact at Scale

1M+

Daily Transactions

Payroll stamps and evidence records processed through systems I architected

Years Experience

Building distributed systems and leading technical teams in production

50+

Agencies Served

Government agencies relying on systems I designed and maintain

60%

Performance Gain

Reduced evidence retrieval time through optimized database architecture

Technical Deep Dives

Case Studies

Problems I've tackled, architectural decisions I've made, and the impact those decisions had on the business and users.

FGJEM · 2024

Digital Evidence Warehouse

The Challenge

The attorney's office needed to manage thousands of digital pieces of evidence securely while enabling real-time collaboration between investigators, prosecutors, and legal teams across 50+ agencies.

The Approach

Designed microservices architecture with independent services for evidence ingestion, storage, retrieval, and audit trails
Implemented WebSocket-based real-time updates so all stakeholders saw immediate changes
Integrated LibreOffice for in-browser document collaboration
Built comprehensive audit logging for legal compliance

The Impact

Enabled 50+ agencies to collaborate on evidence management with 60% faster retrieval times and complete chain-of-custody tracking.

Microservices WebSockets TypeScript Laravel React

50+

Agencies

Role

Lead Architect

Type

Backend Systems

View Live

FGJEM · 2024

Payroll Stamping at Scale

The Challenge

Government regulations require every payroll transaction to be stamped and certified by a third-party government body. The existing system couldn't handle the volume, causing delays in salary payments for thousands of employees.

The Approach

Architected event-driven system using message queues to handle 1M+ daily stamp requests
Implemented distributed caching strategy to prevent database overload during peak hours
Designed automatic retry mechanisms with dead-letter queues for failed transactions
Built real-time monitoring dashboard for operational visibility

The Impact

Processed 1M+ daily stamps with 99.9% uptime. Reduced failed transactions from 3% to near-zero through intelligent retry mechanisms.

Event-Driven RabbitMQ Redis Node.js React

1M+

Daily Stamps

Role

Lead Architect

Type

Backend Systems

IGECEM · 2023

Risk Questionnaire Platform

The Challenge

The institution needed to assess occupational risks across all government employees but had fragmented systems with inconsistent data. Questions had to be customized per department and reports needed to meet legal requirements.

The Approach

Applied Hexagonal Architecture to separate business logic from infrastructure concerns
Designed dynamic questionnaire engine that adapts to role and department
Built PDF and Excel report generation with legal compliance formatting
Created optimized database queries reducing report generation time by 60%

The Impact

Centralized risk assessment for 10,000+ employees with standardized compliance reporting and 60% improvement in report generation speed.

Hexagonal Architecture PHP React MySQL JWT

60%

Faster Reports

Role

Lead Architect

Type

Backend Systems

View Live

System Design

Architecture

Visual representations of the systems I've designed and the architectural patterns I apply.

Microservices Architecture

Evidence Warehouse System

Hexagonal Architecture

Risk Questionnaire System

Database per Service

Each service owns its data. No cross-service queries. Enables independent deployment and scaling.

Event-Driven

Async communication via message queues. Decouples producers from consumers, enabling resilience and scale.

Fault Tolerance

Retry mechanisms, dead-letter queues, and circuit breakers. Failures should be gracefully handled.

Career Path

Experience

May 2024 - Present

Jefe de Departamento

Fiscalía General de Justicia del Estado de México (FGJEM)

Full-time

Leading a software development department with responsibility for architecture decisions and technical standards
Managing the design and implementation of evidence warehouse system serving 50+ government agencies
Overseeing CI/CD pipelines with automated deployments and semantic versioning
Mentoring team members on microservices patterns and clean architecture

Node.js TypeScript React Laravel WebSockets Docker MySQL Kubernetes

Sep 2023 - May 2024

Analista de Sistemas

Instituto de Información e Investigación Geográfica, Estadística y Catastral (IGECEM)

Full-time

Designed and built risk questionnaire system for government employee assessments
Applied Hexagonal Architecture to separate domain logic from infrastructure
Reduced report generation time by 60% through database query optimization
Implemented JWT authentication and PDF/Excel report generation

PHP React TypeScript MySQL Tailwind CSS NextUI CI/CD

May 2021 - May 2023

Full Stack Developer

Digital Pineapple

Full-time

Built e-commerce platform serving thousands of users with Next.js, Redux, and Node.js
Developed hexagonal REST API architecture with Express and MongoDB
Created mobile applications with React Native integrating OAuth and WebSockets
Implemented course platform with Laravel, MySQL, and Livewire

Next.js React Node.js Laravel MongoDB React Native

How I Work

Technical Philosophy

Years of building distributed systems have taught me that good architecture isn't about choosing the latest patterns—it's about understanding trade-offs and making decisions that serve the business problem.

Currently exploring

Kubernetes orchestration · Golang · Event-driven microservices

Architecture Serves the Problem

I don't choose technologies or patterns because they're trendy. I design systems that solve specific problems at scale. Microservices when team autonomy matters. Hexagonal architecture when business logic needs protection. Event-driven when decoupling enables resilience.

Reliability is Non-Negotiable

For government systems handling citizen data, 99.9% uptime isn't aspirational—it's required. I design for failure: retry mechanisms, dead-letter queues, circuit breakers, and comprehensive monitoring aren't optional extras.

Data Ownership and Boundaries

Services should own their data. I've learned through experience that cross-service database queries create tight coupling and deployment nightmares. Clear boundaries enable independent scaling and team autonomy.

Lead through Code and Example

Technical leadership means staying hands-on. I architect systems, write code, mentor teams, and establish standards—because credibility comes from doing, not just directing.

Open Source

Side Projects

Beyond client work, I contribute to the developer community through open source libraries and tools.

stepper-ui

v1.2.5

A React component library providing customizable, accessible stepper components for multi-step forms and workflows. Built with TypeScript and designed to integrate seamlessly with TailwindCSS.

Features

TypeScript — Full type definitions out of the box
Validation — Sync and async step validation
Performant — Memoized to prevent re-renders
Accessible — Keyboard navigation support

Stats

186

Weekly downloads

Versions released

MIT

License

Last update

npm GitHub Live Demo

Get in Touch

Let's Work Together

I'm currently open to opportunities in backend engineering, technical leadership, and system architecture. If you're looking for someone who can design and lead complex systems in production, let's talk.

duartedc17@gmail.com Download CV

LinkedIn GitHub