Johnny Huirilef
Technical Lead, Senior Software Engineer, Solutions Architect
About Me
Solutions architect with over 15 years of experience leading technical teams and designing scalable architectures. Specialist in Domain-Driven Design (DDD), hexagonal architecture, and event-driven systems. My focus is on transforming complex challenges into elegant and maintainable solutions, always prioritizing code quality and operational efficiency.
Experience
Transversal Technical Lead – Mi Local Technical Debt
Strategy and execution to eliminate technical debt and standardize Store Operations ecosystem.
Key Responsibilities
- Define and implement a structured plan to eliminate technical debt and standardize the ecosystem.
- Diagnose and map technical and architectural problems, prioritizing high-impact actions.
- Improvements in QA, development practices, DB performance, documentation, authentication and token management.
- Regional technological and architectural standardization.
- Coordination of multidisciplinary teams aligned to business objectives.
Expected Impact
- Significant improvement in performance and stability.
- Increase in security and regulatory compliance.
- Reduction of costs and time due to errors and rework.
- Greater operational efficiency in development delivery.
Regional Technical Lead – Rompe Filas and Warehouse Management
Regional leadership of two strategic projects, coordinating teams and ensuring quality, scalability, and availability.
Details
Rompe Filas
- Queue management and POS payment system (Colombia: Credibanco, Argentina: Clover).
- Architecture in NestJS, Ionic/Capacitor and PostgreSQL, adapted by country.
- Integration with local payment gateways and internal systems.
Warehouse Management
- Platform to optimize storage logistics (Store → Aisle → Rack → Height).
- Query optimization in MongoDB and Redis.
Achievements
- Critical database migrations with Drizzle ORM.
- Compliance app for minimum version control of mobile libraries.
- Common architectural framework for mobile apps and integrations.
- Result: successful execution and assignment to Mi Local transversal role.
Technical Lead / Senior Software Engineer
Management and evolution of critical systems in Azure with DDD and Event-Driven Design.
Achievements
- Regional expansion of electronic invoicing (Chile, Peru, Brazil).
- Legacy migration to microservices with hexagonal architecture (+30% efficiency).
- CI/CD with 40% reduction in deployment times.
- Automated pipelines (GitHub Actions) with validations, changelogs and reports.
- Observability with ElasticSearch, Kibana and Grafana.
Co-founder / Technical Lead / Senior Full Stack Developer
Building products and platforms at scale on AWS.
Achievements
- ClassTrack: educational platform used in 200+ schools and 50,000+ students.
- Scalable architecture on AWS (EC2, RDS, Redis) with high availability.
- jQuery to React migration improving modularity and maintainability.
- Payment gateway integration in e-commerce and mobile apps.
IT Supervisor / Senior Full Stack Developer
Achievements
- Implementation of Git and JIRA for project management.
- Development of ERP modules for Construction, Real Estate and Rent.
- Automation of internal workflows improving collaboration.
Skills
Languages
Frontend
Backend
DevOps / Cloud
Databases
Architecture & Methods
Featured Projects
A selection of projects that showcase my technical expertise and problem-solving approach.
ClassTrack
Educational platform serving 200+ schools and 50,000+ students. Comprehensive school management system with gradebook, attendance, and parent communication features.
Technologies
Rompe Filas
Queue management and POS payment system for Cencosud. Multi-country implementation with local payment gateway integrations (Credibanco, Clover).
Technologies
Gestión de Altillos
Storage logistics optimization platform for Cencosud. Hierarchical inventory management system (Store → Aisle → Rack → Height) with MongoDB optimization.
Technologies
Billing Platform
Regional e-invoicing system for Esmax/Aramco. Microservices architecture with hexagonal design, supporting Chile, Peru, and Brazil regulations.
Technologies
Certifications
AWS Solutions Architect – Associate (2025)
AWS Developer – Associate (2024)
AWS Cloud Practitioner (2024)
GitHub Administration (2025)
GitHub Foundations (2024)
GitHub Advanced Security (2024)
GitHub Actions (2024)
GitHub Copilot (2024)
MongoDB Skill Relational to Document Model (2025)
Education
Computer Engineering
Inacap
Comprehensive program covering software development, systems analysis, database design, and project management. Strong foundation in programming fundamentals and software engineering principles.
Core Subjects
Data Structures, Algorithms, Software Engineering, Database Systems
Key Projects
Web applications, Desktop software, Database design
Continuous Learning & Development
Cloud & Architecture
- • AWS Solutions Architecture
- • Domain-Driven Design
- • Microservices Patterns
- • Event-Driven Architecture
Leadership & Management
- • Technical Team Leadership
- • Agile Methodologies
- • Project Management
- • Stakeholder Communication
Languages
Other Skills
- Technical leadership and team mentoring.
- Effective communication with technical and business stakeholders.
- Problem-solving with an analytical approach.
- Adaptability and continuous learning.