Alex Zhuk, Full-Stack Engineer | Generative AI, NodeJS, React

Location: Berlin, Germany

Can work onsite in your office in

and around Berlin (up to 50km)

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Check out languages spoken by Alex

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Baptiste Duhen

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Amed Hamou

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Audrey Champion

Web developer

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Top skills

Additional skills (24)

Check out Alex's expertise

I am a Full-Stack AI Engineer with over a decade of experience in the tech industry. After leading teams of up to 15 people at companies like Shopify and Klarna, I've transitioned back to hands-on full-stack development. My expertise spans Generative AI, Mobile (React Native), Web, and Developer Experience, with a background that includes both early-stage startups and BigTech.

Self-Employed

Full-Stack AI Engineer

DIGITAL & IT

February 2024 - Today (10 months)

Berlin, Germany

Consulting and building my own projects in the field of generative AI.

Worked on:

- Telegram bot for image generation (FLUX LoRA, model fine-tuning, Llama)

- Day-to-day task automation tool (OpenAI, LangChain)

- Telegram bot for Vipassana meditators (OpenAI, LangChain, LangSmith)

React.js Typescript Spring PostgreSQL Langchain OpenAI Material Design MySQL TypeORM

Shopify

Engineering Group Manager - Shop Infrastructure Group

E-COMMERCE

May 2022 - June 2023 (1 year and 1 month)

Berlin, Germany

Directly led three teams forming the Shop Infrastructure Group.

Our primary focus was to develop and maintain the infrastructure of the Shop app.

• Unified tools, patterns, and infrastructure across multiple backend codebases

• 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

• 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

React Native Typescript Ruby on Rails React.js Node.js

Klarna

Engineering Manager - App Performance Tooling team

BANKING & INSURANCE

April 2021 - April 2022 (1 year)

Berlin, Deutschland

• 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

• Oversaw technical direction and architecture of our systems

Direct reports: 6 software engineers

React Native Android iOS Node.js Typescript Appium

Check out Alex's experience

Jegor Ivanov recommend Alex

Jegor Ivanov

Freelance

13/09/2024

I had the pleasure of working with Alex on a meditation accountability partner bot project. He quickly mastered new skills, covered all aspects of development, and played a crucial role in crafting an exceptional user journey from a product management perspective. Alex approaches tasks with an analytical mindset, breaking down complex problems and offering effective, well-thought-out solutions. A fast learner and a collaborative team player, Alex consistently delivers high-quality results.

Bachelor's degree

Odesa Mechnikov National University

2012

Computer Science