Alex Zhuk

CTO

Berlin, Berlin, Germany13 yrs 9 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • Led infrastructure development for Shopify's Shop app.
  • Achieved significant performance improvements in Klarna's app.
  • Expert in system architecture and team leadership.
Stackforce AI infers this person is a Fintech and E-commerce expert with strong leadership in system architecture.

Contact

Skills

Core Skills

System ArchitectureReact Native

Other Skills

TypeScriptPerformance ImprovementProduct ManagementNodejsReact.jsMySQLRuby on RailsPeople ManagementAndroidiOSMentoringLLaMAFLUX LoRALarge Language Models (LLM)PostgreSQL

About

Building 2501.ai 🔥

Experience

2501.ai

CTO, co-founder

Oct 2024 – Present · 1 yr 5 mos · Remote

Shopify

Engineering Group Manager - Shop Infrastructure Group

May 2022 – Jun 2023 · 1 yr 1 mo · Remote

  • Led three teams forming the Shop Infrastructure Group. Our primary focus was to develop and maintain the infrastructure of the Shop app (React Native & RoR).
  • Established reliable metrics for the Shopify Shop app's boot and screen navigation, enabling teams to speed them up by up to 70%
  • Reduced Shop app boot time by approximately 30%
  • Developed a suite of E2E smoke tests to ensure the main branch remains functional at all times
  • Unified tools, patterns, and infrastructure across multiple backend codebases
  • Provided consistent support for 40+ teams
  • My responsibilities:
  • Developed the roadmap and long-term vision for the Shop Infra Group
  • Enhanced the on-call process across the Shop department
  • Established development processes and best practices
  • Mentored team members for individual career growth
  • Oversaw the technical direction and architecture of our systems
  • Group size: 15 people
System ArchitectureReact NativeTypeScriptPerformance ImprovementProduct ManagementNodejs+4

Klarna

2 roles

Engineering Manager - App Performance Tooling team

Apr 2021 – Apr 2022 · 1 yr · Berlin, Germany

  • Built tooling that enabled a 60% decrease in Klarna's React Native app load time
  • Built tooling preventing performance regressions
  • My responsibilities:
  • Combined Engineering Manager and Product Manager roles
  • Set up processes and development practices
  • Individual career development of team members
  • Overseeing technical direction and architecture of our systems
  • Direct reports: 6 software engineers
System ArchitectureReact NativeAndroidiOSPeople ManagementMentoring

Engineering Manager - Consumer Deals team

Aug 2020 – Jun 2021 · 10 mos · Berlin, Germany

  • Established process for automated sourcing of deals
  • Built tools for internal editors to add and moderate deals
  • Integrated deals in the most relevant places in Klarna's App
  • My responsibilities:
  • Participated in technical due diligence of a company acquired by Klarna
  • Set up processes and development practices
  • Together with Product Manager defined the team's vision, mission, and roadmap
  • Individual career development of team members
  • Overseeing technical direction and architecture of our systems
  • Coordinating multiple cross-team and cross-department projects
  • Direct reports: 6 software engineers

Omio

3 roles

Engineering Manager - UI Platform team

Promoted

Mar 2019 – Jul 2020 · 1 yr 4 mos · Berlin Metropolitan Area

  • Developed tooling and architecture that allowed Omio's product teams to build and ship features simultaneously to Web, iOS, and Android
  • Drove migration of Omio's Native Apps to React Native
  • Ported Omio's styleguide to React Native
  • Covered main user flows with E2E tests
  • Provided consistent support for 60+ engineers
  • My responsibilities:
  • Combined Engineering Manager and Product Manager roles
  • Hired and built the team from scratch
  • Set up processes and development practices
  • Individual career development of team members
  • Oversaw technical direction and architecture of our systems
  • Led Frontend Chapter - a company-wide forum for Frontend engineers to share knowledge and align on architectural decisions
  • Built and kept the team's roadmap updated
  • Regularly collected feedback from teams using our tools
  • Direct reports: 8 software engineers

Engineering Manager - Checkout team

Feb 2017 – Mar 2019 · 2 yrs 1 mo · Berlin Metropolitan Area

  • Built Frontend architecture enabling checkout flow for 500+ bus, train, and flight providers
  • Integrated 8 payment methods
  • Enabled 5 other teams to add their functionalities into the checkout flow
  • My responsibilities:
  • Set up processes and development practices
  • Individual career development of team members
  • Oversaw technical direction and architecture of our systems
  • Established Frontend Chapter - a company-wide forum for Frontend engineers to share knowledge and align on architectural decisions
  • Led development and adoption of Omio's UI Styleguide - a library of React components used across all Omio's Frontends
  • Direct reports: 4 software engineers

Tech Lead - Frontend

Jun 2015 – Feb 2017 · 1 yr 8 mos · Berlin Metropolitan Area

Home24

Frontend Engineer

Jun 2014 – Jun 2015 · 1 yr · Berlin Metropolitan Area

Men's wearhouse

Frontend Engineer

Aug 2013 – May 2014 · 9 mos · Ukraine

Softtechnics

Frontend Engineer

Feb 2013 – Aug 2013 · 6 mos · Ukraine

Abp

Frontend Engineer

Jun 2011 – Feb 2013 · 1 yr 8 mos · Ukraine

Freelance

Frontend Engineer

Dec 2010 – Jun 2011 · 6 mos · Ukraine

Education

Odesa I. I. Mechnikov National University

Bachelor's degree — Computer Engineering

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