Joshua Constantine Santos
Full Stack Engineer. Serial founding engineer
- Role
- Full Stack Engineer at American Express
- Location
- Glendale, AZ, US
- LinkedIn followers
- 500 followers
About Joshua Constantine Santos
Hey there! I am a full-stack engineer, who started with programming through game…
Experience
Full Stack Engineer
May 2024 — Present · Phoenix, AZ, US
Strengthened production readiness by implementing pre-deployment validations, identifying and blocking misconfigured release candidates, reducing deployment risk and saving SRE and Platform teams ~5 hours per impacted release- Led frontend modernization efforts by introducing TypeScript and scalable UI patterns, reducing complexity, enhancing accessibility, and accelerating feature delivery, while laying the foundation for long-term development stability- Optimized search API performance, reducing query times by ~99%(1 minute to <100ms) and implemented client-side caching to significantly enhance UI responsiveness.
Education
Grand Canyon University
Bachelor's degree
2016 — 2020
Hack Reactor
Computer Software Engineering
2021 — 2021
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