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Vasyl K.

@vasylklymiu

5.0
1

1.6

1.6

100%

Sr.Full-Stack Web & Mobile + AI Engineer | Top 1%

$35 USD / Hour

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Poland (11:04 AM)

Joined on October 10, 2025

1 Recommendation

$35 USD / Hour

"I build reliable, high-quality solutions that help clients achieve real results." I’m a Senior Full-Stack Web & Mobile Engineer with deep expertise in AI and Blockchain development, passionate about building scalable, secure, and intelligent digital products. I’ve already led and contributed to projects across Europe and the US — from smart contract integrations and AI-powered platforms to high-performance web and mobile applications. My core strength is blending modern web frameworks (React, Next.js, Node.js, Django, Laravel) with AI tools (LangChain, GPT, TensorFlow) and blockchain technologies (Solidity, Web3.js, Polygon, BSC) to create systems that are both innovative and practical. Whether it’s developing a DeFi platform, an AI automation system, or a full-stack SaaS product, I focus on clean architecture, long-term scalability, and excellent communication. Clients appreciate that I treat every project like my own — ensuring reliability, performance, and measurable results. If you’re looking for a developer who combines technical depth with business-focused thinking, I’d be glad to collaborate and help bring your idea to life.

Verifications

On time

100%

On budget

100%

Accept rate

100%

Portfolio

Portfolio

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5.0 · 1 Review
Reviews
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Enhance React Financial Dashboard $60 USD

Excellent work! Delivered high-quality updates quickly and professionally. Great communication, attention to detail, and met the 1-day deadline perfectly. Highly recommended developer!

Lefteris G.

@eleftdg

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Kings County, United States

1 month ago

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Experience

CTO

Oct, 2023 - Aug, 2025

1 year, 10 months

AIWave Technologies

Oct, 2023 - Aug, 2025

1 year, 10 months

Blends AI and web development effortlessly. Excellent communication and long-term vision.

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Sophie Müller, Germany

Oct, 2023 - Aug, 2025

1 year, 10 months

Founder

Jul, 2021 - Sep, 2023

2 years, 1 month

BlockLabs

Jul, 2021 - Sep, 2023

2 years, 1 month

Exceptional work on our blockchain integration. One of the most reliable developers I’ve worked with.

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Michael Reynolds, United States

Jul, 2021 - Sep, 2023

2 years, 1 month

Project Manager

Mar, 2020 - Jun, 2021

1 year, 2 months

NetGuru

Mar, 2020 - Jun, 2021

1 year, 2 months

Incredible attention to detail and technical mastery. Delivered our React/Node SaaS platform faster than expected.

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Anna Kowalska, Poland

Mar, 2020 - Jun, 2021

1 year, 2 months

Education

California Baptist University

2021 - 2023

2 years

B.Sc. in Software Engineering

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United States

2021 - 2023

2 years

Polsko-Japonska Wyzsza Szkola Technik Komputerowych, Warsaw

2018 - 2021

3 years

M.Sc. in Computer Science

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Poland

2018 - 2021

3 years

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