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© 2026 Oleksii Berliziev.
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Oleksii Berliziev
3projects
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3projects
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15 products taken from zero to live: SaaS, mobile, platforms. Shipped, scaled, still in production.

Showing 3 projects

TeamFull StackSaaSSports2022–2026

Golf Tournament Platform

All Square
Tech Lead
Team 7–11

A platform the founders' team runs themselves. They author pages, manage mobile-app sections and scan tickets on-site during live events. No developer in the loop after launch.

Greenfield tournament platform, live since 2022. - Web app with an admin dashboard and a built-in no-code page builder; - iOS and Android apps with separate user and on-site admin modes for ticket scanning; - NestJS backend with background workers. Held the whole platform alone in the final year, including a full content migration from the old site.

Outcomes

  • Three tournament editions, four years in production
  • Thousands of concurrent users on tournament days
  • On-site ticket scanning during live rounds
  • Operations team ships product changes without a developer in the loop
  • Full content migration from the old site (pages, media, historical results)
See how it shipped
LinksLive AppApp StoreGoogle Play
TeamFull StackSaaSSocial2025–2026

Golf Social Network

All Square
Developer
Team 8

A mature, live product where booking and search had to ship across web and mobile while legacy modules were rewritten underneath, with no feature-freeze and no user-visible regressions.

Worked inside a mature, live golf social network Shipped brand-new booking and search flows alongside an incremental rewrite of legacy modules, with no feature-freeze and no user-visible regressions.

Outcomes

  • Legacy modules rebuilt with zero user-visible regressions
  • Brand-new booking and search flows shipped across web + mobile on a live codebase
  • No feature-freeze during the legacy rewrite
  • Legacy modernised: HoCs and class components to hooks, JS to TS, manual GraphQL to codegen
See how it shipped
LinksLive AppApp StoreGoogle Play
Personal projectWebPortfolio SiteServices2026

Personal Portfolio Site

Personal
Designer & Developer
Team 1

A portfolio that doubles as proof of work: it has to look designed, load fast, rank well and demonstrate production-grade frontend architecture rather than just describe it.

This site itself: a from-scratch personal portfolio on the Next.js App Router with a Server-Component-first architecture. Ships a tokenized Tailwind v4 design system with full light and dark theming, an SEO layer (per-route metadata, Open Graph images, JSON-LD, sitemap) and a spam-protected contact form. Designed, built and deployed solo.

Outcomes

  • Server-Component-first App Router architecture with client boundaries pushed deep and narrow
  • Tokenized Tailwind v4 design system with full light and dark theming from a single source of truth
  • Complete SEO layer: per-route generateMetadata, dynamic Open Graph images, JSON-LD structured data, and sitemap
  • Accessible, spam-protected contact form (Zod + React Hook Form + Resend + Cloudflare Turnstile)
  • Built to localize: all copy externalized via next-intl (single en locale today)
See how it shipped
LinksLive AppSource

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