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Jeffrey UserJU
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Jeffrey User

@jeffreyuser7

Full-Stack Software Engineer at NYX Digital building production business software, multi-tenant systems, and workflow integrations.

Philippines
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At NYX Digital, I design and build production business software with TypeScript, Next.js, Supabase/PostgreSQL, n8n, and external APIs. My work includes internal dashboards, workflow automation, and customer-facing applications.

At Vitrion, I built and maintained production SaaS applications using Vue 3, TypeScript, Tailwind CSS, and Vite. I implemented a multi-tenant permission system, integrated third-party APIs, and improved performance through caching, lazy loading, and pagination.

On the Kolster Electrical Services Operations Platform, I built dashboards, staff tools, automations, and integrations, including connections to simPRO and ClickUp. I also built operational workflows for Mandarin Laundry and delivered the SAJ Support Chain website; I'm currently building Yuna, a native iOS PCOS tracker.

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GU

Grafisch Lyceum Utrecht

Software Developer, Software Development

2019 - 2023

Completed a Software Developer program at Grafisch Lyceum Utrecht from 2019 to 2023.

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