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Yuriy L.YL

Yuriy L.

Senior Full-Stack Engineer

290 €/jour
Brussels, BE
8-15 ans

Délai de réponse moyen : 1h

À propos de Yuriy

I build scalable web platforms with .NET and React, helping companies cut development costs by up to 50% while delivering stable, production-ready software.

Hello!
I’m a full-stack developer with 8+ years of experience building web platforms, SaaS products, and business-critical systems.
My core background is .NET full-stack development, combining .NET Core on the backend with React on the frontend, and helping companies move from unstable or slow systems to clean, scalable architectures.

My day-to-day work includes:
• .NET Core APIs and backend services
• React, React NextJS, React Typescript frontends
• React .NET full-stack systems
• NestJS for structured Node.js services
• Workbox.js for performance-focused, offline-ready web apps

Systems I’ve delivered:
🧩 SaaS platforms and marketplaces
🧩 ERP, CRM, LMS systems
🧩 HR and resource management software
🧩 Healthcare platforms and EHR systems
🧩 Custom dashboards and reporting tools
🧩 Messaging systems and integrations (including Discord)

Tech Stack:
• C#, .NET, .NET Core
• React, React Next.js, React TypeScript
• Node.js, NestJS
• .NET MAUI, Ionic
• AWS, Azure
  • Ukrainien

    Bilingue ou natif

  • Anglais

    Capacité professionnelle complète

En télétravail uniquement
Travaille majoritairement à distance

Expériences

  • iGaming Affiliate CRM
    Senior Full-Stack Engineer
    juillet 2022 - avril 2023 (9 mois)
    As a Senior React .NET engineer, I helped to developed an iGaming Affiliate CRM platform designed to connect publishers (affiliates) and advertisers (gaming operators) within a single scalable system. The platform enabled operators to manage affiliate programs, track traffic, calculate commissions, and analyze performance across multiple brands and regions.
    We migrated frontend from React to Vue.js, reducing page load time by 87% (8s → <1s) and improving UX scores by 40% and refactored legacy monolith into microservices, improving performance by 60% and reducing bugs by 45%
    .NET VueJS React.js ERP Fullstack
  • Talent Marketplace / Freelance Platform
    Senior Front-End Engineer
    janvier 2022 - juillet 2022 (6 mois)
    Worked on a talent marketplace and freelance platform, designed to connect 1,000+ pre-vetted software engineers and freelancers with international clients. The platform focused on fast onboarding, strong talent profiles, and seamless client–freelancer matching.
    On this project I developed profile system with portfolio showcase, skill assessments, and client reviews using React,js + Next.js. We achieved 95+ Lighthouse score via image optimization and lazy loading. As a Vue.js engineer I focused on creating a design system with 50+ reusable Vue components, reducing development time by 35%. I built responsive layouts increasing mobile traffic from 20% to 60%
    VueJS React.js Typescript Front-End development Marketplace
  • Office Space / Room Booking System
    Full-Stack Developer
    mai 2021 - septembre 2021 (4 mois)
    Developed an office space and meeting room booking system for companies managing shared workspaces and hybrid teams using Node.js, Nest.js, Vue.js, PostgreSQL. The platform enabled employees to reserve meeting rooms, desks, and office spaces while preventing scheduling conflicts and maximizing space utilization. Acting as a Node.js architect built intelligent scheduling engine preventing double bookings. For this project developed recurring booking system (daily / weekly / monthly) with exceptions. As a Vue.js software engineer I created interactive floor-plan UI for visual room selection and built admin dashboard for space management, analytics, and users.
    Node.js VueJS PostgreSQL Front-End development Back-End development

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Formations

  • Master's degree
    Ivan Franko National University of Lviv
    2023
    Data Science

Compétences

Catégories