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© 2026 Oleksii Berliziev.
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Oleksii Berliziev
5projects
Work with me
5projects
Work with me

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15 products taken from zero to live: SaaS, mobile, platforms. Shipped, scaled, still in production.

Showing 5 projects

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
TeamMobileSaaSGov2018

E-Learning Platform

Avocado Technology
Developer
Team 7

A government e-learning and assessment app, delivered offline-capable on iOS and Android within a 3-month contractual deadline.

Mobile e-learning and student-assessment app for a government client, built on React Native with REST APIs, Fastlane-automated releases and Sentry for crash reporting. Content delivery and student assessments both worked offline. iOS and Android shipped simultaneously inside a 3-month contractual window.

Outcomes

  • iOS and Android shipped simultaneously to a 3-month contractual deadline
  • Offline content delivery and offline student assessments
  • Fastlane-automated release pipeline for both platforms
How I shipped it
LinksPrivate / NDAMore details available on request
TeamWebSaaSEnterprise2016–2017

Survey Platform

EngagePoint
Developer
Team 15–30

An enterprise SurveyMonkey-alternative whose dynamic questionnaire builder had to support 20+ field types, cross-field conditional logic and long-form rendering performance.

Inside a large cross-functional team, built dynamic questionnaire components for an enterprise SurveyMonkey-alternative: 20+ field types, a conditional-logic engine covering visibility, required-state and value-derivation rules, plus virtualised rendering for long forms.

Outcomes

  • Shipped dynamic questionnaire components inside a large enterprise codebase
  • Conditional-logic engine across visibility, required-state, and value-derivation rules
  • 20+ field types supported in a single questionnaire builder
  • Long-form rendering optimised via virtualisation
How I shipped it
LinksPrivate / NDAMore details available on request
TeamWebBrowser ExtensionEnterprise2016

Search Bar Extension

EngagePoint
Developer
Team 14

A Chrome extension that searches across a corporate knowledge base and multiple file-storage providers, with a unified result format across heterogeneous APIs.

Chrome extension that searches across a corporate knowledge base and multiple file-storage providers (internal corporate storage, databases, Google Drive, Dropbox, Confluence/SharePoint), built on the WebExtensions API with an Angular UI and a Node.js backend that normalises results across providers. Delivered inside an 8-dev team.

Outcomes

  • Connectors integrated across internal corporate storage, databases, Google Drive, Dropbox, and Confluence/SharePoint
  • Result-format normalisation across heterogeneous provider APIs
  • Chrome WebExtensions extension shipping to corporate users
How I shipped it
LinksPrivate / NDAMore details available on request
TeamWebSaaSHealthcare2015–2016

Healthcare System

EngagePoint
Developer
Team 15

A federal-scale ACA healthcare web app on a legacy Backbone/Marionette frontend, with Section 508 accessibility and performance demands on long enrolment flows.

Shipped SPA features into a federal-scale US Affordable Care Act healthcare web app on a legacy Backbone/Marionette frontend. Section 508 accessibility compliance and performance optimisation on long multi-step enrolment flows. Inside an 8-dev cross-functional team.

Outcomes

  • SPA features shipped on a federal-scale ACA healthcare web app
  • Section 508 accessibility compliance on form-heavy enrolment flows
  • Performance optimisation on long multi-step enrolment UI
  • Legacy Backbone/Marionette codebase maintained alongside new feature work
How I shipped it
LinksPrivate / NDAMore details available on request

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