Ask Andrii

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A voice agent trained on Andrii Sirko's decade of frontend work. Ask it anything — it answers out loud and drives this page while it talks.

Projects & roles

ABOUT YOU

Jun 2026 – Present

Senior Frontend Engineer · Contractor

Customer-facing features in the React/TypeScript e-commerce monorepo (40M+ MAU): loyalty Status Program end-to-end, A/B testing infrastructure, add-to-basket rework.

  • React
  • TypeScript
  • Linaria
  • React Query
  • Zustand
  • gRPC
  • Jest
  • Cypress

SelectCode

Dec 2025 – Jun 2026

Fullstack Developer · Contractor

Enterprise-grade, privacy-focused AI platform (meingpt.com) with RAG and multi-LLM support; shared AI assistants, TRPC/Prisma APIs, RBAC, Stripe subscriptions.

  • TypeScript
  • React
  • NestJS
  • TRPC
  • Prisma
  • PostgreSQL
  • RAG
  • OpenAI API

Mehrwerk

Sep 2021 – Dec 2025

Frontend Lead · Contractor

Led a team of 5; architected a React app framework cutting client onboarding from 4 months to 30 minutes; UI editor serving 1M+ MAU; k6 load-testing suite; WCAG migration.

  • TypeScript
  • React
  • Vue
  • Ionic
  • React Native
  • Next.js
  • GraphQL
  • k6

eBay (Adevinta)

Feb 2022 – Dec 2022

Senior React Developer · Contractor

Dealer retail team on Kijiji Autos — Canada's largest online auto platform; React features across the dealer-facing product surface.

  • React
  • TypeScript
  • Jest
  • TestCafe
  • AWS

Accenture · smart / Daimler

May 2021 – Jan 2022

Senior React Developer · Contractor

New smart IAA landing page with immersive, animated React components for the brand's future product reveal.

  • React
  • TypeScript
  • Styled Components
  • AEM
  • Jest

lemon.markets

Jun 2021 – Sep 2021

Senior React Developer · Contractor

Custom Prismic-powered slides for Blog and CMS pages in a fintech product.

  • React
  • Next.js
  • TypeScript
  • Prismic
  • Jest

Accenture · VW / Audi

Nov 2020 – May 2021

Senior React Developer · Contractor

White Label Dealer Search app for VW, integrated into Audi via micro-frontends; supported Audi.de across 90+ markets.

  • React
  • TypeScript
  • Styled Components
  • Webpack
  • Jest

Factor Eleven

Sep 2019 – May 2021

Senior React Developer · Contractor

Architected a React-based AdManager application and a shared UI library used across multiple projects.

  • React
  • GraphQL
  • Apollo
  • Jest
  • Cypress
  • SASS

ToolTime

Feb 2020 – Mar 2020

Senior React Developer · Contractor

React-based field service management application for tradespeople.

  • TypeScript
  • React
  • GraphQL
  • Apollo
  • Cypress
  • AWS

Careem

Jun 2018 – Aug 2019

Senior Software Developer · Full-time

React components and architecture for the corporate customers department; shared Web UI library; LMD and CareemNow platforms; Scrum master for a team of 6.

  • React
  • React Native
  • Redux
  • TypeScript
  • Jest
  • Cypress
  • AWS

Circula

Nov 2017 – May 2018

Frontend Developer · Full-time

Expense management tools for accountants and supervisors.

  • React
  • Redux
  • Ruby on Rails
  • Docker

Mes.mo / Gastroguide

Jan 2015 – Oct 2017

Full Stack Developer · Full-time

Web solutions for restaurants: reservation system, website constructor, advertising system, menu builder, and a REST API for mobile apps.

  • React
  • Redux
  • Flux
  • PHP
  • MySQL
  • AWS

UKEESS

Apr 2014 – Dec 2014

Full Stack Developer · Full-time

Developed and maintained Magento plugins for e-commerce clients.

  • Magento
  • PHP
Transcript

The conversation appears here, word for word. Try asking:

  • “What did Andrii build at Mehrwerk?”
  • “Which projects used React Native?”
  • “How can I get in touch?”