Contributed to seven Angular and React micro frontends using Module Federation, reducing load times by 50%.
FRONTEND / WEB + MOBILE
Software Developer
Alejandro Trejo is a Software Developer with 4+ years building scalable web and mobile applications with Angular, React, and Ionic/Capacitor for distributed teams across Latin America and the US. He has reduced load times by up to 80% and improved Lighthouse scores from 50 to 90.
SELECTED WORK / VERIFIED OUTCOMES
Performance and product delivery.
A concise record of production outcomes from the current CV.
Reduced load times by 80% and raised Lighthouse performance from 50 to 90 for a logistics app used by truck drivers across the region.
Consolidated redundant API calls with the backend team and integrated QR retrieval for vehicle inspections, reducing load times by 50%.
Experience
Work
Six CV-verified roles, latest first.
- RacerLabFounder & Full-Stack Developer
Defined the product and technical foundation for a workshop management SaaS.
Jul 2026 – Present
- Rebel Quest InteractiveFrontend Developer
Built across seven Angular and React micro frontends; reduced load times by 50%.
May 2025 – Mar 2026
- Digitalmente StudioFrntend Developer
Delivered web and mobile projects; deployed visitor management across two residential complexes.
2022 – Feb 2026
- BeartrackFrontend Developer
Developed a modular Angular 18 frontend for logistics and a PrestaShop-integrated app.
May 2024 – Aug 2024
- CRSoporteFrontend Developer
Reduced load times by 80% and raised Lighthouse performance from 50 to 90.
Dec 2023 – Apr 2024
- Repsa LogisticFrontend Developer
Optimized redundant API calls and QR retrieval for vehicle inspections; reduced load times by 50%.
Jul 2023 – Nov 2023