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Yona SmilevitchYS

Yona Smilevitch

WEB DEVELOPER - Website and applications

€580/day
1 project
Strasbourg, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Yona

Web Developer & Creator of custom digital solutions

+10 years of experience – Creation of websites, applications & SEO performance

I design and develop custom websites and web applications, conceived to meet concrete business objectives.
With over 10 years of experience in web development, I support companies, startups, and freelancers in creating reliable, scalable, and results-oriented solutions.

My services

Creation & design of websites

Custom showcase, catalog, e-commerce, and professional websites
Fast, secure, and responsive websites (mobile / tablet / desktop), eco-designed
User experience (UX) designed to convert

Web development

Front-end & back-end development
Custom integration (CMS or frameworks adapted to the project)
Clean, maintainable, and scalable code

Web applications & business applications

Development of custom web applications
Internal business tools (CRM, dashboards, automations, back-office)
Solutions adapted to your processes and your growth

SEO & performance optimization

SEO-friendly technical structure
Loading time optimization
SEO best practices from the design phase (indexing, markup, performance)

My way of working

Precise understanding of your business challenges
Clear and pragmatic technical recommendations
Development focused on quality, performance, and sustainability
Fluid communication and rigorous project monitoring

Do you have a web project, an application to develop, or a website to create/optimize?
I help you transform your ideas into effective and sustainable digital solutions.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Strasbourg (up to 50km)

Experience

  • Agence Webcover
    Co-Manager Webcover
    DIGITAL AND IT
    December 2021 - Today (4 years and 6 months)
    Strasbourg, France
    Co-manager at Webcover andfull-stackdeveloper, I have been assisting companies for10+ yearswith the custom creation and evolution ofwebsitesand **web applications**: redesign, MVP, SaaS product, e-commerce, business tools.

    I handle projectsend-to-end**: **scoping**, needs workshops, architecture, technical choices, **front-endandback-enddevelopment, integrations (**REST API**, payments, CRM/ERP, automations), deployment, Application Maintenance Services, and continuous improvement. Constant objective: deliver quickly, cleanly, and buildmaintainablefoundations.

    I pay close attention to:

    *Code Quality(clean code, tests, refactoring)

    *Performance(optimization, Core Web Vitals, loading times)

    *Security(best practices, eco-design, GDPR)

    *Scalability(scalable architecture, optimization)

    *Reliability(monitoring, logs, production stability)

    Technologies / skills(depending on context): front/back development, API integrations, payments, automations, Continuous Integration/Delivery/Deployment, cloud/hosting, performance optimization, application security, maintenance, and evolution.
    Web application development Webdesign E-commerce website creation Software as a Service (SaaS) Website creation
  • IFT INSERTION FORMATION TRAVAIL
    Web Developer
    EDUCATION AND E-LEARNING
    September 2014 - April 2017 (2 years and 7 months)
    Strasbourg, France
    I built a solid foundation in web development and data structuring.
    I learned to transform a need into a workable and maintainable solution.
    I developed a more rigorous approach, focused on organization and longevity.
    This is the period when I transitioned from "execution" to "building" solutions.
    I also trained young people in website creation for 2 years.
    Web application development SEO Training Website creation website redesign Showcase site
  • Agence Art Of Event communication
    Web Developer
    DIGITAL AND IT
    June 2017 - December 2021 (4 years and 6 months)
    Strasbourg, France
    At Art Of Event Communication, I held the position of developer. My role was to design, develop, and evolve the agency's web platforms and digital tools, transforming internal and client needs into functional and reliable solutions.

    I was involved in the entire development cycle: analyzing requests, development, integration, testing, updates, and maintenance. I ensured project stability, quality of delivery, and performance of the sites and features delivered, with an approach focused on efficiency and meeting deadlines.

    On a daily basis, I was the technical point of contact for projects: I proposed solutions, fixed bugs, optimized existing systems, and provided regular monitoring to ensure clean and sustainable deliveries.
    external-api-integration Mobile Application website redesign Website creation and redesign Web application development

Reviews

5.0

Out of 1 rating

F

Florence

Direction générale solutions web - P&P Communication

Reviewed on 2/26/2026

Recommendations

FP
Dina AbitbolDA
SA
+4
Florence Picard and 6 other people have recommended Yona

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Education

  • Professional Bachelor's Degree, Web Management / Multimedia and Webmaster
    EmWeb
    2015
    Licence professionnelle, Gestion du Web / multimédia et webmaster

Skill set

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