António Ribeiro

Senior Full-Stack OutSystems Engineer and Tech Lead specializing in scalable architectures for high-concurrency environments. Expert in integrating mobile ecosystems with ERP and CRM systems, ensuring code quality and technical leadership focused on business results.

Senior Full-Stack OutSystems Engineer 2 at MC Sonae (2022-12 – Present)

• Leadership & Performance: Technical Lead for a multi-million user application; achieved a 154.62% performance score in the latest review.
• Architectural Efficiency: Reduced technical debt by 32% and implemented dynamic architectures that decreased feature modification times from days to minutes.
• High-Impact Campaigns: Holiday Season - Scaled systems for 1.5M active users and 13.7M rewards, managing peaks of 500K interactions in 48h.
• High-Impact Campaigns: Snake Gamification - Processed 8.6M interactions, directly contributing to €1.38M in gross sales in 42 days.
• Rapid Delivery: Led the development of a major national sports league ticketing platform; compressed a 3-sprint roadmap into a single sprint, ensuring 100% sell-out with zero downtime.
• Mentoring & Optimization: Mentor to 50% of the core development team; optimized end-to-end application flows with a 13% improvement in overall response time.

Lead Developer & Co-founder at A2 Insight Systems (2024-11 – Present)

• Manage end-to-end software lifecycles for custom projects, focusing on complex data synchronization between apps, CRMs, and ERP systems.
• Coordinate external subcontractors to ensure alignment with rigorous architectural and security standards.

Consultant at Orbcom (2020-06 – 2022-12)

• Developed OutSystems solutions for the pharmaceutical, automotive, and beverage industries, integrating operational workflows with ERP systems.

Technician in Management and Programming of Computer Systems – Cidenai