Alexander Kolarov

Full-Stack Engineer • Next.js • TypeScript • NodeJS • SQL/NoSQL

Alexander Kolarov

Experience

EGT Interactive (Amusnet) — Junior → Senior Developer

2015 — 2020 • Sofia

Led and developed casino games in the roulette category. Mentored junior devs and took ownership of the entire roulette project line.

  • Technologies: Flash, PixiJS, React, Node.js.
  • Delivered multiple production-ready roulette games with high player traffic.
  • Mentored and guided new hires and juniors.

Freelance & Family Business

2020 — 2023 • Remote

Freelance projects and support for family business, while continuously coding and building personal projects.

Betnamin — Full‑Stack Developer

2023 — 2024 • Remote

Sportsbook project betnamin.com (no longer active). Worked across multiple parts of the stack.

  • Next.js, custom CMS, Tailwind, Material UI, PostgreSQL.
  • Delivered core sportsbook features with a small team.

Tiebreak Solutions — Full‑Stack Developer

2024 — 2025 • Sofia

Worked on large Next.js(pages router) + PayloadCMS project, marketing tool integrations, and landing page systems.

  • Rebuilt with new concept www.tradeapp.com from Nextjs(pages router) & PayloadCMS 2 → Next.js(app router) with PayloadCMS 3 as headless for blog.
  • Integrated GA, GTM, Meta Ads, Voluum.
  • Implemented multi-tenant LP system: Astro frontend, Headless CMS, Tailwind, Github actions, Coolify/Dokploy, AWS, n8n and AI automations.

Personal Projects

  • anketi.bg (2021) — React, ASP.NET, MSSQL survey platform.
  • kolarclub.com (2024) — Personal blog (Next.js 15, PayloadCMS 3).
  • cveten-podaruk.com (2025) — Flower shop (Next.js 15, PayloadCMS 3, Stripe).
  • nextvote.com(comming soon) (2025–2026) — Polls & analytics platform with OpenAI + Weaviate.