Artjom Lupjak

@artem_webdesign
5.0(10)

Level 1

Expert Full Stack Developer, Custom Websites and Scalable AI Solution

Latvia
English, Latvian
About me
Software should inspire. With 20 years bridging Visual Design and Full Stack Engineering, I create Digital Charisma. I focus on business goals and ROI, not just pixels. How I help you win: - Strategic UX/UI: Designs that drive retention and conversion. - Rapid Development: Next.js and Framer Motion for fluid interfaces. - Product Leadership: I think like a COO to ensure your product scales. Specialties: AI Products, Fintech, Web3, & complex SaaS. Tech: Next.js, React, Tailwind, & high-speed prototyping. Ready to build? Let’s turn your vision into a high-performance product.... Read more

Skills

a
artem_webdesign
Artjom Lupjak
$25/hour
Offline • 
Average response time: 1 hour

See my services

Plugins Development
I will create custom world of warcraft addons
5.0(9)
AI Websites & Software
I will do full stack website development, ai website, ai chatbot, ai software developer
5.0(1)

Want to work on an hourly basis?

Tell Artjom Lupjak what you need.

$25

/

hour

Portfolio

Work experience

Binance

Backend Developer / Blockchain Developer

Binance • Full-time

Nov 2020 - Nov 20244 yrs

Specialized in the development and integration of blockchain protocols and smart contracts within the Binance ecosystem. Worked closely with the BNB Chain team to deploy secure, scalable DeFi solutions. Led the security auditing and deployment of several high-profile smart contracts, ensuring zero-vulnerability launches for new ecosystem features. Solidity, Web3.js/Ethers.js, Smart Contract Security, and Cross-chain bridges. Integrated multiple L1 and L2 protocols and managed secure wallet infrastructure.

Airbnb

Backend Developer

Airbnb • Part-time

Dec 2015 - Dec 20205 yrs

Contributed to the development and maintenance of high-traffic microservices within Airbnb’s core booking ecosystem. Focused on improving API performance and ensuring data consistency across distributed systems. Optimized database query patterns and implemented caching strategies that reduced latency for search results by 15% during peak travel seasons.

Booking.com

Frontend Developer

Booking.com • Freelance

Oct 2016 - Jan 20181 yr 3 mos

Collaborated with the performance marketing and UI/UX teams to implement and scale high-traffic A/B tests on the core search and booking funnel. Focused on optimizing front-end performance and ensuring a seamless experience for a global audience across 40+ languages. Refactored legacy UI components into a modern, modular library, which improved page load speeds by 20% and helped maintain a consistent brand across various localized versions of the site. Conversion Rate Optimization (CRO), accessibility (WCAG), and building highly resilient components that perform under massive server load.

10 Reviews
5.0

(10)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-5 out of 10 Reviews
Sort By
Most relevant
    E

    ericburkhalter9

    US

    United States

    5

    worked with this dev to build a custom world of warcraft addon for my guild <SMILING FRIENDS>, and honestly the experience was great from start to finish. communication was clear, fast, and professional the whole way through. the addon itself is exactly what i needed — a fully customizable request/queue...

    $100-$200

    Price

    4 days

    Duration

    gig

    Plugins Development

    Helpful?
    Yes
    No
    J
    image-docs

    jenanart

    SA

    Saudi Arabia

    5

    I had an excellent experience working with Mr. Artjom Lupjak on my World of Warcraft addon project. He demonstrated strong technical expertise, a clear understanding of requirements, and great attention to detail throughout the development process. Communication was smooth and consistent, and he was...

    $200-$400

    Price

    5 days

    Duration

    gig

    Plugins Development

    Helpful?
    Yes
    No
    M

    martinenchev

    Repeat Client

    BG

    Bulgaria

    5

    Great experience working with this developer. They understood exactly what I needed for a custom WoW addon on Warmane (3.3.5a) and delivered everything as requested. Communication was smooth, they were responsive to feedback, and the final result works perfectly in-game. The addon does exactly what...

    $50-$100

    Price

    3 days

    Duration

    gig

    Plugins Development

    Helpful?
    Yes
    No
    S

    scottymac7

    US

    United States

    5

    Exactly what I was looking for. He also is very professional, understands what I was wanting and a nice guy to top it off. I will most definitely be working with him for some other projects in the near future! Can't say enough nice things about him.

    $100-$200

    Price

    2 days

    Duration

    gig

    Plugins Development

    Helpful?
    Yes
    No
    A

    aplexityy

    US

    United States

    5

    Great guy to work with, any features i requested to be added were done extremely quick and clear of any bugs.

    Up to $50

    Price

    2 days

    Duration

    gig

    Plugins Development

    Helpful?
    Yes
    No