MSc. Johs Barreto cover
MSc. Johs Barreto
MSc. Johs Barreto

Customer Success Engineer & DevSecOps Solutions Architect

Open to offers · Member since 24 Aug 2026
Message
Location
Falcón, Venezuela
Desired salary
Confidential
Work preference
Remote Only
Experience level
Senior

About

Professional summary

I am a Customer Success Engineer and DevSecOps Solutions Architect with more than 15 years of experience in technical enablement, cloud infrastructure optimization, CI/CD implementation, and software architecture.

I serve as a trusted technical advisor, having supported more than 15,000 users through technical consulting, architecture guidance, hands-on labs, reusable workshops, office hours, and asynchronous documentation.

I specialize in DevSecOps, source code management, pipeline automation, Linux infrastructure, security hardening, perimeter defense, and database administration for PostgreSQL and MySQL.

My software engineering background includes PHP, Laravel, CodeIgniter, Python, Java, JavaScript, REST APIs, microservices, Moodle integrations, and full-stack institutional platforms.

I have led cross-functional technical teams, delivered measurable improvements in platform latency, system availability, security, user adoption, and deployment cycles across education, enterprise SaaS, and media environments.

I am fully fluent in Spanish and English, comfortable leading remote technical workshops and Zoom office hours, and use AI tools such as OpenAI APIs and n8n to improve developer productivity and knowledge exchange.

Skills

29 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Senior DevSecOps Architect & Technical Enablement Lead Easyelearning.es & Sagoweb.es

Architected EasyReports SaaS v4.0 for more than 10 enterprise EdTech clients, including Trevenque Group, Campus Elea, and the French Handball Federation. Built a high-concurrency PHP microservices engine integrated with Moodle through REST web services, achieving average response times of 0.004 seconds and a 0.35 MB memory footprint.

Engineered CodeIgniter 4 and Laravel 5 microservices for room-availability queues, calendar automation, and push alerts, reducing backend latency by 40%. Built gamification and web-service integrations for test-preparation academies, increasing user engagement and adoption by 35%.

IT Director (Jefe de TIC) & Technical Unit Lead (ADI) Universidad Nacional Experimental Francisco de Miranda (UNEFM)

Acted as a trusted technical advisor for more than 15,000 active university users, directing IT governance, institutional platform modernization, digital transformation initiatives, and technical enablement.

Led a cross-functional team of more than 25 staff across support, network/security, and Moodle administration. Deployed a six-server distributed Linux cluster with custom iptables firewalls, Squid Proxy, Nagios, and PostgreSQL, reducing vulnerabilities and downtime by 60%. Automated Moodle workflows and produced self-service documentation, shortening distance-learning deployment cycles by 50%.

Senior IT Analyst & Systems Developer Universidad Nacional Experimental Francisco de Miranda (UNEFM)

Executed a critical migration from a legacy Oracle desktop database to PostgreSQL with zero data loss. Developed complex stored procedures and triggers and optimized relational schemas for student records, improving query response times by 45%.

Built and launched central institutional platforms, including estudiantes.unefm.edu.ve and the Digital Central Repository. Developed full-stack applications using KumbiaPHP, PostgreSQL, and Linux servers to enable fully digital governance for university acts and resolutions.

Lead DevOps Engineer & Software Architect Importadora Amazonas de Venezuela, C.A.

Scaled platform architecture to handle 200% traffic growth over a constrained 1 Mbps connection, maintaining zero dropouts during live radio and television streams. Administered a 12-server Debian Linux cluster, configured Squid Proxy caching, and optimized MySQL and PostgreSQL databases.

Automated payroll and accounting systems and reduced manual processing errors by 45%. Refactored software components across Java/JSP, Perl, Python, and PHP to improve operational reliability and processing efficiency.

Infrastructure Founder & Full Stack Engineer Inversiones Altamira

Designed and deployed greenfield IT infrastructure with 100 network drops and 12 physical Debian Linux servers. Delivered 98% system availability for the virtuniversidad.com virtual-campus platform.

Developed custom LMS functionality and secure user authentication capabilities while establishing the network and server foundation for the organization’s online learning environment.

Education

Learning history

Universidad Nacional Experimental de las Fuerzas Armadas (UNEFA)

Master of Science (MSc.), Computer Science

Universidad Centro Occidental Lisandro Alvarado (UCLA)

Bachelor of Science (B.S.), Computer Engineering

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