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leonid_web

Leonid B

@leonid_web

Frontend Developer

Israël
Russisch
Sommige informatie wordt in het Engels weergegeven.
Over mij
I am a Frontend Developer with over 3.5 years of experience building complex, high-performance web applications. My primary technical focus is on the modern JavaScript/TypeScript ecosystem, specifically working with Vue 3, React, Nuxt, and Next.js. I am passionate about web performance optimization and clean architecture.... Lees meer

Skills

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leonid_web
Leonid B
offline • 

Bekijk mijn diensten

Websites op maat
I will build high performance landing page with vue or react
VanafUS$ 80 / projectMeer informatie

Portfolio

Werkervaring

Tele2

Frontend Developer

Tele2 • Fulltime

Aug 2025 - Present • 9 mos

Frontend Developer at Umnico (a subsidiary of Tele2 ecosystem) Playing a key role in the large-scale architectural migration of the core project from Vue 2 to Nuxt 3, significantly improving SSR capabilities, SEO metrics, and overall application performance. Integrated a Headless CMS for the Blog and Knowledge Base sections, streamlining the content management process for the editorial team. Designed and developed an embed-widget constructor for social networks, allowing users to generate ready-to-use HTML/JS code for seamless third-party integration. Built a smart QR-code generator supporting deeplinks and pre-filled messages, alongside a custom UTM-link generator for marketing campaigns.

SoftTech-IT_Institute

Frontend Developer

SoftTech-IT Institute • Parttime

Feb 2024 - Aug 2025 • 1 yr 6 mos

Optimized key website components and refactored legacy code, which boosted Google Lighthouse performance scores from ~40 to 65-75 and reduced page load times by approximately 20%. Executed a comprehensive UI/UX redesign of the "Experts" section for the Samolet Group partner website, enhancing the overall user experience and interface stability. Developed and successfully launched a lightweight, fully responsive landing page for a private psychological practice from scratch within tight deadlines. Replaced outdated PHP form handlers with custom server-side logic built on Node.js across multiple projects, drastically improving data delivery reliability.