JASJohn Angelo Santos/Work
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Oscilar logo

Senior Full Stack/AI Engineer @ Oscilar

Feb 2023 – Present
|Remote, US

Designed and developed backend services using Java (Spring Boot) and Python for an AI Risk Decisioning Platform, enabling real-time fraud, credit, and compliance decisioning with Kafka event streaming and ML model integration.

Docker logo

Full Stack Developer @ Docker

Apr 2020 – Dec 2022
|Remote, US

Developed backend services using Python for Docker Hub, supporting image repository management at scale, and built responsive frontend features using React and TypeScript.

Octopus Deploy logo

Mid-level Developer @ Octopus Deploy

Feb 2018 – Feb 2020
|Remote, Australia

Developed backend APIs using Java (Spring Boot) for deployment orchestration, built frontend features with React and TypeScript, and migrated legacy services to microservices architecture.

White Cloak Technologies logo

Full Stack Developer @ White Cloak Technologies

Dec 2015 – Nov 2017
|Onsite, Philippines

Developed backend services using Java (Spring Boot) for UnionBank Online, supporting financial transactions for a high-traffic platform serving millions of users, with React frontend interfaces.

Startechup Inc. logo

Web Developer @ Startechup Inc.

Dec 2013 – Oct 2015
|Onsite, Philippines

Developed e-commerce web applications using Python (Django) and AngularJS, implementing product catalog, checkout systems, RESTful APIs, and PostgreSQL schemas.

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