2-paragraph first-person bio, friendly tone

Mario Costa

2-paragraph first-person bio, friendly tone

Available to hire

2-paragraph first-person bio, friendly tone

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Portuguese
Fluent
English
Advanced

Work Experience

Lead Backend & Fullstack Developer / Architect
August 1, 2022 - December 1, 2024
Led the architecture of a large-scale appointment-automation SaaS serving restaurants, salons, and service companies. Developed core business modules using Laravel, Blade, AlpineJs, Livewire and JavaScript with Docker. Built real-time booking, messaging automations, and official integrations with WhatsApp Non Oficial API, and multiple payment gateways.
Fullstack Developer
January 1, 2019 - March 1, 2020
Delivered internal automation tools, dashboards, and fullstack features using Ruby on Rails and React, also with Python for automated scripts. Collaborated with international teams under Agile/Scrum practices, improving delivery speed and code quality. Optimized backend and frontend pipelines, enhancing load times and user experience for client-facing applications.
CEO / Developer at Angolan Virtual Airline Organization
January 1, 2018 - Present
Progressed from simple member to Developer and eventually CEO, leading teams, operations, partner relations, and community growth within the organization. Designed and maintained internal platforms, event management systems, and simulation-related tools used by pilots and staff. Led national simulator events, ensured compliance with safety and certification standards, and coordinated partnerships with organizations including TAAG Virtual.
Senior Backend & Fullstack Developer at Mingaxi Group
August 1, 2022 - December 1, 2024
Led the architecture of a large-scale appointment-automation SaaS serving restaurants, salons, and service companies. Developed core business modules using Laravel, Blade, Alpine.js, Livewire and JavaScript with Docker. Built real-time booking, messaging automations, and official integrations with WhatsApp Non Official API, and multiple payment gateways.
Developer at Angolan Virtual Airline Organization
January 1, 2018 - Present
Progressed from simple member to Developer and eventually CEO, leading teams, operations, partner relations, and community growth within the organization. Designed and maintained internal platforms, event management systems, and simulation-related tools used by pilots and staff.

Education

CS50 Certificate at Harvard University
January 1, 2021 - December 19, 2025
English Language Course at Wall Street English (Portugal)
January 1, 2022 - December 31, 2024
CS50 Certificate at Harvard University
January 1, 2021 - January 8, 2026
English Course at Wall Street English
January 1, 2022 - January 1, 2024
Introduction to Computer Science at Harvard University
January 11, 2030 - January 8, 2026

Qualifications

CS50 Certificate (Harvard University)
January 1, 2021 - December 19, 2025
CS50 Certificate
January 1, 2021 - January 8, 2026
English Course (Wall Street English)
January 1, 2022 - January 1, 2024

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Other