HomeProjectsFAQPrivacy

© 2026 Oleksii Berliziev.
Crafted with attention to details

B
Oleksii Berliziev
3projects
Work with me
3projects
Work with me

Filters

Projects

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
TeamMobileSaaSSports2022–2026

Golf Club Booking App

All Square
Mobile Lead
Team 8

A native iOS and Android booking app for the club, owned end-to-end as mobile lead from architecture to real-world solution.

React Native booking app for a Swiss golf club, built end-to-end as the mobile lead. Owned the architecture and feature delivery. Built the Saferpay integration on a dedicated REST backend. Shipped to both the App Store and Google Play.

Outcomes

  • Mobile lead from first commit to launch
  • Saferpay payments shipping on iOS + Android
  • Booking with promocode system, step restore and lock system
See how it shipped
LinksApp StoreGoogle Play

Liked what you saw?

Got a project that needs to ship?

Work with me