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Serg KSK
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Serg K

@sergk

Full-Stack Web Developer at ELROMCO, building client websites and a multi-tenant budgeting SaaS used daily.

Ukraine
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At ELROMCO, I build and customize client websites with WordPress, HTML, CSS, and JavaScript. I also develop custom theme and plugin changes, contact forms, and customer account pages.

On SundBudget, my multi-tenant household budgeting SaaS, I implemented server actions that enforce authentication and household ownership. It includes spending and category management, a spending chart, and monthly history, and is deployed on Vercel with CI for daily real-world use.

I’ve also built projects for AI-generated notes and summaries, reading tracking, and a kanban board with optimistic drag-and-drop. These projects use modern full-stack tools including Next.js, TypeScript, and Prisma.

Through Upwork, I completed more than 25 contracts for international clients, building responsive websites and delivering front-end work, email signatures, newsletters, and bug fixes. My work has included repeat client engagements and direct scoping with clients.

Experience

Work history, roles, and key accomplishments

EL
Current

Web Developer

ELROMCO

Jan 2019 - Present (7 years 10 months)

Build and customize client websites from templates and from scratch using WordPress, HTML, CSS, and JavaScript. Develop custom theme and plugin changes, contact forms, and customer account pages, and maintain a steady book of client sites with bug fixes and updates.

Education

Degrees, certifications, and relevant coursework

Yaroslav the Wise National Law University logoYU

Yaroslav the Wise National Law University

Master's in Law, Law

2007 - 2012

Grade: diploma with honours

Earned a Master's in Law with honours, then transitioned to a career in software development.

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