Edgar Macías
Senior Software Engineer | Full-Stack Developer
Specialist in Secure Development (AppSec) and Scalability
7+ years of experience building and optimizing high-impact systems (UNAM), applying a 'Security by Design' approach to mitigate risks in the development lifecycle.
Impactful Experience
Senior Software Engineer / Tech Lead
UNAM (National Autonomous University of Mexico)
Technical leadership in the development of critical platforms for university management, impacting thousands of users.
Development of scalable systems managing data for over 300,000 students.
Successful migration of legacy databases with millions of records, ensuring integrity and zero downtime.
Implementation of AppSec and 'Security by Design' practices reducing vulnerabilities by 40%.
Optimization of administrative processes, reducing response times by 60%.
The Journey From Academia to Applied Security
Software Engineering & Legacy Architecture
- Designed and implemented a rules engine for critical certification processes.
- Ensured 100% accuracy in official document issuance.
- Optimized workflows using Symfony and AngularJS.
Modernization & Scaling of Critical Systems
- Dockerized legacy systems to prioritize operational continuity.
- Refactored obsolete code, significantly reducing technical debt.
- Managed high-concurrency traffic during enrollment periods.
Full-Stack Mobile Development (Freelance)
- Developed a complete mobile app for a taxi service.
- Integrated cloud backend with Google Maps API and geolocation.
- Led the full cycle from architectural design to deployment.
Data Migrations & Custom Tools
- Migrated critical database from SQL Server to PostgreSQL with zero data loss.
- Developed custom ETL in PHP ensuring record integrity.
- Automated validation and cleaning of millions of academic records.
Technical Leadership & Security by Design
- Led Scrum team in developing a psychological care system.
- Implemented robust cryptography to guarantee sensitive data confidentiality.
- Applied 'Security by Design' principles throughout the system architecture.
Specialization & Active Projects
- Founded DevCybSec with interactive labs on OWASP Top 10.
- Developed Mini-SAST analyzer as an automated security proof of concept.
- Actively researching new vulnerabilities and defense strategies.
Skills (T-Shaped Profile)
Backend & Core
DevCybSec: My Commitment to Secure Development
DevCybSec - Security Labs
Applied research in offensive and defensive security. Interactive labs platform (OWASP Top 10) for advanced AppSec training and secure coding.
Mini-SAST Analyzer
Development of a static analysis engine (SAST) for automated vulnerability detection in source code. Proof of concept for applied security engineering.