Mariano Montero

Senior Fullstack Engineer with 5+ years of experience building scalable web applications, secure financial and invoicing platforms, microservices, and modern frontend experiences. Strong background in PHP and Laravel, JavaScript and TypeScript, React, Vue, Docker, relational databases, performance optimization, and test-driven development. Experienced in remote teams, technical architecture discussions, code reviews, mentoring, and end-to-end feature delivery for products that require reliability, security, and maintainable code.

Full Stack Developer at HMD Trucking (2024-06 – Present)

• Led migration of large-scale frontend stores from Vuex to Pinia in Vue 3, improving maintainability and state performance.
• Built a vehicle status and registration platform in Nuxt 3 that reduced review times from 12 hours to seconds.
• Designed advanced end-to-end filtering features with generic data types and operators including EQUAL, NOT_EQUAL, GREATER_THAN, GREATER_THAN_OR_EQUAL, LESS_THAN, LESS_THAN_OR_EQUAL, BETWEEN, BLANK, and NOT_BLANK.
• Implemented real-time record updates with Laravel Reverb WebSockets, preventing concurrent edits and eliminating data overwrites.
• Configured Kafka for high-throughput event processing, handling up to 15,000 records per hour.
• Implemented Redis caching for common queries, achieving response times of 120 ms or less.
• Authored technical proposal documents and architecture definitions for Flutter and Nuxt 3 implementations.
• Contributed to PR reviews, code quality standards, and team mentoring in a remote collaboration environment.

Backend Developer at PlazaNetwork (2024-01 – 2024-12)

• Designed and implemented a CRM for lead and workflow management.
• Integrated WooCommerce APIs for catalog, categories, taxes, and inventory automation.
• Built an Amazon product scraping workflow for rapid catalog import and automated product creation in WooCommerce.
• Automated operational flows that significantly reduced manual catalog update time.

Full Stack Developer Jr. at The Factory HKA (2021-02 – 2024-01)

• Developed REST APIs in Laravel supporting 2,500 connected devices.
• Built electronic invoicing platforms with Laravel, Vue 3, and Inertia.js, certified by the General Directorate of Revenues of Panama and used by more than 5,000 companies.
• Developed secure web applications for invoice generation aligned with regulations in Panama, Venezuela, and the Dominican Republic.
• Worked on applications handling financial transactions and sensitive business data with strong emphasis on reliability and compliance.
• Optimized MySQL performance through EXPLAIN analysis and targeted indexing, reducing query times from 36 seconds to 280 ms.
• Implemented event-driven workflows using Laravel Events, Listeners, and Observers to improve traceability.
• Integrated Redis for sessions and caching in high-traffic endpoints.
• Built MongoDB-based logging systems for invoice failures, license package sales, and mobile app critical logs.
• Participated in technical discussions and implementation documents for project architecture.
• Regularly reviewed pull requests, supported teammates, and helped maintain code quality standards.

Master in Computer Systems in Computer Systems – Instituto Tecnológico Superior de Teziutlán (2021-08 – 2023-08)

B.Sc. in Computer Systems Engineering in Computer Systems Engineering – Instituto Tecnológico Superior de Teziutlán (2016-08 – 2020-12)