skweb.site

Kliment’s little corner of the internet

Full-Stack Developer | React, Next.js, TypeScript

Hey, I’m Kliment.

I’m Kliment, a full-stack developer based in North Macedonia with 4+ years of experience. I build web platforms from backend and CMS functionality to frontend interfaces, with experience in iGaming, hotel bookings and tournament management.

Open to remote frontend and full-stack roles.

Have a look around. The folders open.

Made in Macedonia

Selected freelance projects

Four projects I built as a freelancer: hotel bookings, tournament management and websites with content management. Open a folder to see my contribution and the stack.

project folders4
kliment / projects / Laki Hotel & Spa
Laki Hotel & Spa

Laki Hotel & Spa

Freelance project

A hotel website with a custom booking and management system that supports direct bookings.

My contribution
Full-stack development · website, booking & management
Technologies
Next.jsPayload CMS
Visit the website
about.txt
Kliment Sidorov

About

At CatoriTech, I owned frontend technical decisions and service integrations for casino and sportsbook platforms. At Sols, I independently developed backend and frontend functionality for web platforms, from initial implementation to completion. I also build booking and tournament systems and mentor students learning HTML, CSS and JavaScript.

Download CV ↓

What I work with

Languages
JavaScript, TypeScript, HTML, CSS
Frontend
React, Next.js, jQuery, Tailwind CSS, Sass, Storybook
Backend and APIs
Node.js, Express.js, REST, GraphQL
CMS and Commerce
Payload CMS, Strapi, Medusa.js, Custom CMS development
Databases and Platforms
PostgreSQL, SQLite, MongoDB, Firebase, Turso, Supabase
Tools
Git, SWR, React Query

Basic knowledge

.NET, Python

Training

Introduction to Cybersecurity

Cisco Networking Academy, 2026

Course completion · foundational training

View course badge ↗
Experience

Where I've worked

Apr 2024 – Jun 2026

CatoriTech

Frontend Developer

Frontend ownership and technical integration decisions for casino and sportsbook platforms.

  • Owned frontend development and technical decisions using Next.js, React and TypeScript.
  • Built login flows and token-based session management.
  • Integrated Altenar and Novusbet sportsbook services, plus casino games from Evolution and Pragmatic Play.
  • Implemented APCOPAY payment integration and Smartico functionality for deposits, withdrawals and bonuses.
  • Built a reusable, component-based CMS for nontechnical content teams.
  • Developed an affiliate program and ticket redemption: users enter a purchased ticket ID to credit its value to their account.
  • Independently delivered frontend features using Tailwind CSS and Sass.

Mar 2023 – Mar 2024

Sols

Full-Stack Developer

Independent backend and frontend ownership, from initial implementation to completion.

  • Independently delivered backend and frontend functionality for web platforms while employed at Sols.
  • Built user profiles, project sharing and project discovery features.
  • Created Strapi content models and APIs and integrated them with Next.js frontends.
  • Used GraphQL and SWR for data integration and fetching, with Tailwind CSS and Sass for interfaces.
  • Also worked with Medusa.js on e-commerce functionality.
Sols · Company portfolio

Explore the company’s broader work.

Mar 2022 – Mar 2023

Steets

Frontend Developer

Reusable UI components and responsive frontend interfaces.

  • Built interfaces initially with jQuery and later Next.js.
  • Worked with TypeScript, Tailwind CSS and Storybook.
  • Integrated frontend interfaces with a PHP-based CMS.
Steets · Company portfolio

Explore the company’s broader work.

Nov 2022 – Present

Seavus / Qinshift / Avenga

Mentor

Practical frontend teaching and student mentoring.

  • Taught HTML, CSS and JavaScript.
  • Mentored students through practical frontend projects and development best practices.
Contact

Drop me a line.

Have a role or project in mind? Tell me a little about it. I'm open to remote frontend and full-stack roles, and I take on client projects too.

sidorov_kliment@live.com